Fedora 24 (Rawhide) Kernel 4.3.0-0.rc3.git1.1.fc24.x86_64+debug on an x86_64 (ttyS0) localhost login: root [root@localhost ~]# [root@localhost ~]# cat /var/log/Xorg.0.log [ 16.865] This is a pre-release version of the X server from Fedora Project. It is not supported in any way. Bugs may be filed in the bugzilla at http://bugs.freedesktop.org/. Select the "xorg" product for bugs you find in this release. Before reporting bugs in pre-release versions please check the latest version in the X.Org Foundation git repository. See http://wiki.x.org/wiki/GitPage for git access instructions. [ 16.865] X.Org X Server 1.17.99.901 (1.18.0 RC 1) Release Date: 2015-09-01 [ 16.865] X Protocol Version 11, Revision 0 [ 16.865] Build Operating System: 4.1.6-100.fc21.x86_64 [ 16.865] Current Operating System: Linux localhost 4.3.0-0.rc3.git1.1.fc24.x86_64+debug #1 SMP Mon Sep 28 16:46:30 UTC 2015 x86_64 [ 16.865] Kernel command line: BOOT_IMAGE=vmlinuz0 initrd=initrd0.img root=live:CDLABEL=Rawhide-Xfce-Live-929 rootfstype=auto ro rd.live.image console=ttyS0 ignore_loglevel [ 16.866] Build Date: 24 September 2015 12:33:56PM [ 16.866] Build ID: xorg-x11-server 1.18.0-0.4.20150907.fc24 [ 16.866] Current version of pixman: 0.33.2 [ 16.866] Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. [ 16.866] Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. [ 16.866] (==) Log file: "/var/log/Xorg.0.log", Time: Wed Sep 30 13:52:12 2015 [ 16.867] (==) Using config directory: "/etc/X11/xorg.conf.d" [ 16.867] (==) Using system config directory "/usr/share/X11/xorg.conf.d" [ 16.885] (==) No Layout section. Using the first Screen section. [ 16.885] (==) No screen section available. Using defaults. [ 16.885] (**) |-->Screen "Default Screen Section" (0) [ 16.885] (**) | |-->Monitor "" [ 16.885] (==) No monitor specified for screen "Default Screen Section". Using a default monitor configuration. [ 16.885] (==) Automatically adding devices [ 16.885] (==) Automatically enabling devices [ 16.885] (==) Automatically adding GPU devices [ 16.887] (==) Max clients allowed: 256, resource mask: 0x1fffff [ 16.887] (==) FontPath set to: catalogue:/etc/X11/fontpath.d, built-ins [ 16.887] (==) ModulePath set to "/usr/lib64/xorg/modules" [ 16.887] (II) The server relies on udev to provide the list of input devices. If no devices become available, reconfigure udev or disable AutoAddDevices. [ 16.887] (II) Loader magic: 0x81cde0 [ 16.887] (II) Module ABI versions: [ 16.887] X.Org ANSI C Emulation: 0.4 [ 16.887] X.Org Video Driver: 20.0 [ 16.887] X.Org XInput driver : 22.1 [ 16.887] X.Org Server Extension : 9.0 [ 16.889] (++) using VT number 1 [ 16.889] (II) systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration [ 16.891] (II) xfree86: Adding drm device (/dev/dri/card0) [ 16.899] (--) PCI:*(0:0:2:0) 1b36:0100:1af4:1100 rev 4, Mem @ 0xf4000000/67108864, 0xf8000000/67108864, 0xfc050000/8192, I/O @ 0x0000c540/32, BIOS @ 0x????????/65536 [ 16.899] (II) LoadModule: "glx" [ 16.900] (II) Loading /usr/lib64/xorg/modules/extensions/libglx.so [ 16.970] (II) Module glx: vendor="X.Org Foundation" [ 16.970] compiled for 1.17.99.901, module version = 1.0.0 [ 16.970] ABI class: X.Org Server Extension, version 9.0 [ 16.970] (==) AIGLX enabled [ 16.970] (==) Matched qxl as autoconfigured driver 0 [ 16.970] (==) Matched qxl as autoconfigured driver 1 [ 16.970] (==) Matched modesetting as autoconfigured driver 2 [ 16.970] (==) Matched fbdev as autoconfigured driver 3 [ 16.970] (==) Matched vesa as autoconfigured driver 4 [ 16.970] (==) Assigned the driver to the xf86ConfigLayout [ 16.970] (II) LoadModule: "qxl" [ 16.970] (II) Loading /usr/lib64/xorg/modules/drivers/qxl_drv.so [ 16.985] (II) Module qxl: vendor="X.Org Foundation" [ 16.985] compiled for 1.17.99, module version = 0.1.4 [ 16.985] Module class: X.Org Video Driver [ 16.985] ABI class: X.Org Video Driver, version 20.0 [ 16.985] (II) LoadModule: "modesetting" [ 16.985] (II) Loading /usr/lib64/xorg/modules/drivers/modesetting_drv.so [ 16.985] (II) Module modesetting: vendor="X.Org Foundation" [ 16.985] compiled for 1.17.99.901, module version = 1.17.99 [ 16.985] Module class: X.Org Video Driver [ 16.986] ABI class: X.Org Video Driver, version 20.0 [ 16.986] (II) LoadModule: "fbdev" [ 16.986] (WW) Warning, couldn't open module fbdev [ 16.986] (II) UnloadModule: "fbdev" [ 16.986] (II) Unloading fbdev [ 16.986] (EE) Failed to load module "fbdev" (module does not exist, 0) [ 16.986] (II) LoadModule: "vesa" [ 16.987] (WW) Warning, couldn't open module vesa [ 16.987] (II) UnloadModule: "vesa" [ 16.987] (II) Unloading vesa [ 16.987] (EE) Failed to load module "vesa" (module does not exist, 0) [ 16.987] (II) qxl: Driver for QXL virtual graphics: QXL 1 [ 16.987] (II) modesetting: Driver for Modesetting Kernel Drivers: kms [ 16.988] (II) [KMS] Kernel modesetting enabled. [ 16.988] (WW) Falling back to old probe method for modesetting [ 16.988] (II) qxl(0): Creating default Display subsection in Screen section "Default Screen Section" for depth/fbbpp 24/32 [ 16.988] (==) qxl(0): Depth 24, (--) framebuffer bpp 32 [ 16.988] (==) qxl(0): RGB weight 888 [ 16.988] (==) qxl(0): Default visual is TrueColor [ 16.988] (==) qxl(0): Using gamma correction (1.0, 1.0, 1.0) [ 16.988] (II) qxl(0): Deferred Frames: Disabled [ 16.988] (II) qxl(0): Offscreen Surfaces: Enabled [ 16.988] (II) qxl(0): Image Cache: Enabled [ 16.988] (II) qxl(0): Fallback Cache: Enabled [ 16.988] (==) qxl(0): DPI set to (96, 96) [ 16.988] (II) Loading sub module "fb" [ 16.988] (II) LoadModule: "fb" [ 16.988] (II) Loading /usr/lib64/xorg/modules/libfb.so [ 17.004] (II) Module fb: vendor="X.Org Foundation" [ 17.004] compiled for 1.17.99.901, module version = 1.0.0 [ 17.004] ABI class: X.Org ANSI C Emulation, version 0.4 [ 17.005] (II) Loading sub module "ramdac" [ 17.005] (II) LoadModule: "ramdac" [ 17.005] (II) Module "ramdac" already built-in [ 17.006] (II) qxl(0): Output Virtual-0 has no monitor section [ 17.006] (II) qxl(0): Output Virtual-1 has no monitor section [ 17.006] (II) qxl(0): Output Virtual-2 has no monitor section [ 17.006] (II) qxl(0): Output Virtual-3 has no monitor section [ 17.006] (II) qxl(0): EDID for output Virtual-0 [ 17.007] (II) qxl(0): Printing probed modes for output Virtual-0 [ 17.007] (II) qxl(0): Modeline "1024x768"x59.9 63.50 1024 1072 1176 1328 768 771 775 798 -hsync +vsync (47.8 kHz P) [ 17.007] (II) qxl(0): Modeline "1920x1200"x59.9 193.25 1920 2056 2256 2592 1200 1203 1209 1245 -hsync +vsync (74.6 kHz) [ 17.007] (II) qxl(0): Modeline "1920x1080"x60.0 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync (67.2 kHz) [ 17.007] (II) qxl(0): Modeline "1600x1200"x59.9 161.00 1600 1712 1880 2160 1200 1203 1207 1245 -hsync +vsync (74.5 kHz) [ 17.007] (II) qxl(0): Modeline "1680x1050"x60.0 146.25 1680 1784 1960 2240 1050 1053 1059 1089 -hsync +vsync (65.3 kHz) [ 17.007] (II) qxl(0): Modeline "1400x1050"x60.0 121.75 1400 1488 1632 1864 1050 1053 1057 1089 -hsync +vsync (65.3 kHz) [ 17.007] (II) qxl(0): Modeline "1280x1024"x59.9 109.00 1280 1368 1496 1712 1024 1027 1034 1063 -hsync +vsync (63.7 kHz) [ 17.007] (II) qxl(0): Modeline "1440x900"x59.9 106.50 1440 1528 1672 1904 900 903 909 934 -hsync +vsync (55.9 kHz) [ 17.007] (II) qxl(0): Modeline "1280x960"x59.9 101.25 1280 1360 1488 1696 960 963 967 996 -hsync +vsync (59.7 kHz) [ 17.007] (II) qxl(0): Modeline "1280x854"x59.9 89.25 1280 1352 1480 1680 854 857 867 887 -hsync +vsync (53.1 kHz) [ 17.007] (II) qxl(0): Modeline "1280x800"x59.8 83.50 1280 1352 1480 1680 800 803 809 831 -hsync +vsync (49.7 kHz) [ 17.007] (II) qxl(0): Modeline "1280x720"x59.9 74.50 1280 1344 1472 1664 720 723 728 748 -hsync +vsync (44.8 kHz) [ 17.007] (II) qxl(0): Modeline "1152x768"x59.8 71.75 1152 1216 1328 1504 768 771 781 798 -hsync +vsync (47.7 kHz) [ 17.007] (II) qxl(0): Modeline "800x600"x59.9 38.25 800 832 912 1024 600 603 607 624 -hsync +vsync (37.4 kHz) [ 17.007] (II) qxl(0): Modeline "848x480"x59.7 31.50 848 872 952 1056 480 483 493 500 -hsync +vsync (29.8 kHz) [ 17.007] (II) qxl(0): Modeline "720x480"x59.7 26.75 720 744 808 896 480 483 493 500 -hsync +vsync (29.9 kHz) [ 17.007] (II) qxl(0): Modeline "640x480"x59.4 23.75 640 664 720 800 480 483 487 500 -hsync +vsync (29.7 kHz) [ 17.007] (II) qxl(0): EDID for output Virtual-1 [ 17.007] (II) qxl(0): EDID for output Virtual-2 [ 17.007] (II) qxl(0): EDID for output Virtual-3 [ 17.007] (II) qxl(0): Output Virtual-0 connected [ 17.007] (II) qxl(0): Output Virtual-1 disconnected [ 17.007] (II) qxl(0): Output Virtual-2 disconnected [ 17.007] (II) qxl(0): Output Virtual-3 disconnected [ 17.007] (II) qxl(0): Using exact sizes for initial modes [ 17.007] (II) qxl(0): Output Virtual-0 using initial mode 1024x768 +0+0 [ 17.007] (II) qxl(0): Using default gamma of (1.0, 1.0, 1.0) unless otherwise stated. [ 17.007] (II) qxl(0): PreInit complete [ 17.007] (II) UnloadModule: "modesetting" [ 17.007] (II) Unloading modesetting [ 17.007] (--) Depth 24 pixmap format is 32 bpp [ 17.025] (II) UXA(0): Driver registered support for the following operations: [ 17.025] (II) solid [ 17.025] (II) copy [ 17.025] (II) composite (RENDER acceleration) [ 17.025] (II) put_image [ 17.025] (II) qxl(0): RandR 1.2 enabled, ignore the following RandR disabled message. [ 17.026] resizing primary to 1024x768 [ 17.026] primary is 0x89e0e0 [ 17.040] (--) RandR disabled [ 17.046] (II) SELinux: Disabled on system [ 17.047] (II) AIGLX: Screen 0 is not DRI2 capable [ 17.047] (EE) AIGLX: reverting to software rendering [ 18.019] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer [ 18.020] (II) AIGLX: Loaded and initialized swrast [ 18.020] (II) GLX: Initialized DRISWRAST GL provider for screen 0 [ 18.021] (II) qxl(0): Setting screen physical size to 270 x 203 [ 18.196] (II) config/udev: Adding input device Power Button (/dev/input/event0) [ 18.196] (**) Power Button: Applying InputClass "evdev keyboard catchall" [ 18.196] (**) Power Button: Applying InputClass "system-keyboard" [ 18.196] (II) LoadModule: "evdev" [ 18.197] (II) Loading /usr/lib64/xorg/modules/input/evdev_drv.so [ 18.209] (II) Module evdev: vendor="X.Org Foundation" [ 18.209] compiled for 1.17.99.901, module version = 2.9.99 [ 18.209] Module class: X.Org XInput Driver [ 18.209] ABI class: X.Org XInput driver, version 22.1 [ 18.209] (II) Using input driver 'evdev' for 'Power Button' [ 18.209] (**) Power Button: always reports core events [ 18.209] (**) evdev: Power Button: Device: "/dev/input/event0" [ 18.209] (--) evdev: Power Button: Vendor 0 Product 0x1 [ 18.209] (--) evdev: Power Button: Found keys [ 18.209] (II) evdev: Power Button: Configuring as keyboard [ 18.209] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input0/event0" [ 18.209] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6) [ 18.209] (**) Option "xkb_rules" "evdev" [ 18.209] (**) Option "xkb_options" "terminate:ctrl_alt_bksp" [ 18.248] (II) config/udev: Adding input device QEMU QEMU USB Tablet (/dev/input/event2) [ 18.248] (**) QEMU QEMU USB Tablet: Applying InputClass "evdev pointer catchall" [ 18.248] (**) QEMU QEMU USB Tablet: Applying InputClass "Device Accel Velocity Scaling" [ 18.248] (II) Using input driver 'evdev' for 'QEMU QEMU USB Tablet' [ 18.248] (**) QEMU QEMU USB Tablet: always reports core events [ 18.248] (**) evdev: QEMU QEMU USB Tablet: Device: "/dev/input/event2" [ 18.248] (--) evdev: QEMU QEMU USB Tablet: Vendor 0x627 Product 0x1 [ 18.248] (--) evdev: QEMU QEMU USB Tablet: Found 3 mouse buttons [ 18.248] (--) evdev: QEMU QEMU USB Tablet: Found scroll wheel(s) [ 18.248] (--) evdev: QEMU QEMU USB Tablet: Found relative axes [ 18.248] (--) evdev: QEMU QEMU USB Tablet: Found absolute axes [ 18.248] (--) evdev: QEMU QEMU USB Tablet: Found x and y absolute axes [ 18.248] (--) evdev: QEMU QEMU USB Tablet: Found absolute touchscreen [ 18.248] (II) evdev: QEMU QEMU USB Tablet: Configuring as touchscreen [ 18.248] (II) evdev: QEMU QEMU USB Tablet: Adding scrollwheel support [ 18.248] (**) evdev: QEMU QEMU USB Tablet: YAxisMapping: buttons 4 and 5 [ 18.248] (**) evdev: QEMU QEMU USB Tablet: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200 [ 18.248] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:06.7/usb1/1-1/1-1:1.0/0003:0627:0001.0001/input/input4/event2" [ 18.248] (II) XINPUT: Adding extended input device "QEMU QEMU USB Tablet" (type: TOUCHSCREEN, id 7) [ 18.248] (WW) evdev: QEMU QEMU USB Tablet: touchpads, tablets and touchscreens ignore relative axes. [ 18.249] (II) evdev: QEMU QEMU USB Tablet: initialized for absolute axes. [ 18.249] (**) QEMU QEMU USB Tablet: (accel) keeping acceleration scheme 1 [ 18.249] (**) QEMU QEMU USB Tablet: (accel) acceleration profile 0 [ 18.249] (**) Option "VelocityScale" "1000" [ 18.249] (**) QEMU QEMU USB Tablet: (accel) acceleration factor: 2.000 [ 18.249] (**) QEMU QEMU USB Tablet: (accel) acceleration threshold: 4 [ 18.251] (II) config/udev: Adding input device QEMU QEMU USB Tablet (/dev/input/js0) [ 18.251] (II) No input driver specified, ignoring this device. [ 18.251] (II) This device may have been added with another device file. [ 18.253] (II) config/udev: Adding input device QEMU QEMU USB Tablet (/dev/input/mouse0) [ 18.253] (II) No input driver specified, ignoring this device. [ 18.253] (II) This device may have been added with another device file. [ 18.254] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event1) [ 18.254] (**) AT Translated Set 2 keyboard: Applying InputClass "evdev keyboard catchall" [ 18.254] (**) AT Translated Set 2 keyboard: Applying InputClass "system-keyboard" [ 18.254] (II) Using input driver 'evdev' for 'AT Translated Set 2 keyboard' [ 18.254] (**) AT Translated Set 2 keyboard: always reports core events [ 18.254] (**) evdev: AT Translated Set 2 keyboard: Device: "/dev/input/event1" [ 18.254] (--) evdev: AT Translated Set 2 keyboard: Vendor 0x1 Product 0x1 [ 18.255] (--) evdev: AT Translated Set 2 keyboard: Found keys [ 18.255] (II) evdev: AT Translated Set 2 keyboard: Configuring as keyboard [ 18.255] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input1/event1" [ 18.255] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 8) [ 18.255] (**) Option "xkb_rules" "evdev" [ 18.255] (**) Option "xkb_options" "terminate:ctrl_alt_bksp" [ 18.258] (II) config/udev: Adding input device ImExPS/2 Generic Explorer Mouse (/dev/input/event3) [ 18.258] (**) ImExPS/2 Generic Explorer Mouse: Applying InputClass "evdev pointer catchall" [ 18.258] (**) ImExPS/2 Generic Explorer Mouse: Applying InputClass "Device Accel Velocity Scaling" [ 18.258] (II) Using input driver 'evdev' for 'ImExPS/2 Generic Explorer Mouse' [ 18.258] (**) ImExPS/2 Generic Explorer Mouse: always reports core events [ 18.258] (**) evdev: ImExPS/2 Generic Explorer Mouse: Device: "/dev/input/event3" [ 18.258] (--) evdev: ImExPS/2 Generic Explorer Mouse: Vendor 0x2 Product 0x6 [ 18.258] (--) evdev: ImExPS/2 Generic Explorer Mouse: Found 9 mouse buttons [ 18.258] (--) evdev: ImExPS/2 Generic Explorer Mouse: Found scroll wheel(s) [ 18.258] (--) evdev: ImExPS/2 Generic Explorer Mouse: Found relative axes [ 18.258] (--) evdev: ImExPS/2 Generic Explorer Mouse: Found x and y relative axes [ 18.258] (II) evdev: ImExPS/2 Generic Explorer Mouse: Configuring as mouse [ 18.258] (II) evdev: ImExPS/2 Generic Explorer Mouse: Adding scrollwheel support [ 18.258] (**) evdev: ImExPS/2 Generic Explorer Mouse: YAxisMapping: buttons 4 and 5 [ 18.258] (**) evdev: ImExPS/2 Generic Explorer Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200 [ 18.258] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input3/event3" [ 18.259] (II) XINPUT: Adding extended input device "ImExPS/2 Generic Explorer Mouse" (type: MOUSE, id 9) [ 18.259] (II) evdev: ImExPS/2 Generic Explorer Mouse: initialized for relative axes. [ 18.259] (**) ImExPS/2 Generic Explorer Mouse: (accel) keeping acceleration scheme 1 [ 18.259] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration profile 0 [ 18.259] (**) Option "VelocityScale" "1000" [ 18.259] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration factor: 2.000 [ 18.259] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration threshold: 4 [ 18.260] (II) config/udev: Adding input device ImExPS/2 Generic Explorer Mouse (/dev/input/mouse1) [ 18.260] (II) No input driver specified, ignoring this device. [ 18.260] (II) This device may have been added with another device file. [ 18.335] (II) qxl(0): Allocate new frame buffer 1600x900 stride [root@localhost ~]# [root@localhost ~]# tailf /var/log/Xorg.0.log [ 18.259] (II) evdev: ImExPS/2 Generic Explorer Mouse: initialized for relative axes. [ 18.259] (**) ImExPS/2 Generic Explorer Mouse: (accel) keeping acceleration scheme 1 [ 18.259] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration profile 0 [ 18.259] (**) Option "VelocityScale" "1000" [ 18.259] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration factor: 2.000 [ 18.259] (**) ImExPS/2 Generic Explorer Mouse: (accel) acceleration threshold: 4 [ 18.260] (II) config/udev: Adding input device ImExPS/2 Generic Explorer Mouse (/dev/input/mouse1) [ 18.260] (II) No input driver specified, ignoring this device. [ 18.260] (II) This device may have been added with another device file. [ 18.335] (II) qxl(0): Allocate new frame buffer 1600x900 stride [ 73.418869] [ 73.419005] ============================================= [ 73.419005] [ INFO: possible recursive locking detected ] [ 73.419005] 4.3.0-0.rc3.git1.1.fc24.x86_64+debug #1 Not tainted [ 73.419005] --------------------------------------------- [ 73.419005] kworker/u4:7/102 is trying to acquire lock: [ 73.419005] (&dev->struct_mutex){+.+.+.}, at: [] qxl_bo_unref+0x4d/0xf0 [qxl] [ 73.419005] [ 73.419005] but task is already holding lock: [ 73.419005] (&dev->struct_mutex){+.+.+.}, at: [] qxl_bo_unref+0xc0/0xf0 [qxl] [ 73.419005] [ 73.419005] other info that might help us debug this: [ 73.419005] Possible unsafe locking scenario: [ 73.419005] [ 73.419005] CPU0 [ 73.419005] ---- [ 73.419005] lock(&dev->struct_mutex); [ 73.419005] lock(&dev->struct_mutex); [ 73.419005] [ 73.419005] *** DEADLOCK *** [ 73.419005] [ 73.419005] May be due to missing lock nesting notation [ 73.419005] [ 73.419005] 4 locks held by kworker/u4:7/102: [ 73.419005] #0: ("%s""qxl_gc"){.+.+.+}, at: [] process_one_work+0x199/0x6a0 [ 73.419005] #1: ((&qdev->gc_work)){+.+.+.}, at: [] process_one_work+0x199/0x6a0 [ 73.419005] #2: (&dev->struct_mutex){+.+.+.}, at: [] qxl_bo_unref+0xc0/0xf0 [qxl] [ 73.419005] #3: (&qdev->surf_evict_mutex){+.+.+.}, at: [] qxl_surface_evict+0x2a/0x70 [qxl] [ 73.419005] [ 73.419005] stack backtrace: [ 73.419005] CPU: 1 PID: 102 Comm: kworker/u4:7 Not tainted 4.3.0-0.rc3.git1.1.fc24.x86_64+debug #1 [ 73.419005] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.2-20150718_101000-lnx 04/01/2014 [ 73.419005] Workqueue: qxl_gc qxl_gc_work [qxl] [ 73.419005] 0000000000000000 00000000a4ee5307 ffff88005cf939c0 ffffffff81417179 [ 73.419005] ffffffff82af10a0 ffff88005cf93aa0 ffffffff81105cd3 ffff88005cf93a00 [ 73.419005] 44c2268d00000000 44c2268d9089c362 0000000000000000 ffff8800593d8500 [ 73.419005] Call Trace: [ 73.419005] [] dump_stack+0x4b/0x72 [ 73.419005] [] __lock_acquire+0x1b73/0x1ba0 [ 73.419005] [] ? sched_clock_cpu+0x8a/0xb0 [ 73.419005] [] lock_acquire+0xce/0x1c0 [ 73.419005] [] ? qxl_bo_unref+0x4d/0xf0 [qxl] [ 73.419005] [] qxl_bo_unref+0x73/0xf0 [qxl] [ 73.419005] [] ? qxl_bo_unref+0x4d/0xf0 [qxl] [ 73.419005] [] qxl_alloc_surface_release_reserved+0xc2/0x110 [qxl] [ 73.419005] [] qxl_hw_surface_dealloc.part.3+0x3e/0x110 [qxl] [ 73.419005] [] qxl_surface_evict+0x44/0x70 [qxl] [ 73.419005] [] qxl_gem_object_free+0x3a/0x70 [qxl] [ 73.452188] [] drm_gem_object_free+0x30/0x50 [drm] [ 73.452188] [] qxl_bo_unref+0xde/0xf0 [qxl] [ 73.452188] [] ? kfree+0x277/0x280 [ 73.452188] [] qxl_release_free_list+0x4c/0x90 [qxl] [ 73.452188] [] qxl_release_free+0x7e/0xe0 [qxl] [ 73.452188] [] qxl_garbage_collect+0xd5/0x1b0 [qxl] [ 73.452188] [] qxl_gc_work+0x15/0x20 [qxl] [ 73.452188] [] process_one_work+0x230/0x6a0 [ 73.452188] [] ? process_one_work+0x199/0x6a0 [ 73.452188] [] worker_thread+0x4e/0x450 [ 73.452188] [] ? process_one_work+0x6a0/0x6a0 [ 73.452188] [] kthread+0x101/0x120 [ 73.452188] [] ? trace_hardirqs_on_caller+0x129/0x1b0 [ 73.452188] [] ? kthread_create_on_node+0x250/0x250 [ 73.452188] [] ret_from_fork+0x3f/0x70 [ 73.452188] [] ? kthread_create_on_node+0x250/0x250 [ 74.555729] input: spice vdagent tablet as /devices/virtual/input/input5 [ 74.604] (II) config/udev: Adding input device spice vdagent tablet (/dev/input/js1) [ 74.604] (II) No input driver specified, ignoring this device. [ 74.604] (II) This device may have been added with another device file. [ 74.611] (II) config/udev: Adding input device spice vdagent tablet (/dev/input/mouse2) [ 74.611] (II) No input driver specified, ignoring this device. [ 74.611] (II) This device may have been added with another device file. [ 74.619] (II) config/udev: Adding input device spice vdagent tablet (/dev/input/event4) [ 74.619] (**) spice vdagent tablet: Applying InputClass "evdev pointer catchall" [ 74.619] (**) spice vdagent tablet: Applying InputClass "Device Accel Velocity Scaling" [ 74.619] (II) Using input driver 'evdev' for 'spice vdagent tablet' [ 74.619] (**) spice vdagent tablet: always reports core events [ 74.619] (**) evdev: spice vdagent tablet: Device: "/dev/input/event4" [ 74.619] (EE) evdev: spice vdagent tablet: Unable to query fd: Invalid argument [ 74.636] (EE) PreInit returned 2 for "spice vdagent tablet" [ 74.636] (II) UnloadModule: "evdev" [ 98.693812] BUG: unable to handle kernel NULL pointer dereference at 0000000000000024 [ 98.694577] IP: [] input_handle_event+0x232/0x4e0 [ 98.694577] PGD 0 [ 98.694577] Oops: 0000 [#1] SMP [ 98.694577] Modules linked in: uinput fuse ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_filter ebtable_broute bridge ebtable_nat ebtables ip6table_security ip6table_raw ip6table_mangle ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_filter ip6_tables iptable_security iptable_raw iptable_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ppdev joydev snd_intel8x0 snd_ac97_codec kvm_amd kvm ac97_bus snd_seq snd_seq_device serio_raw snd_pcm snd_timer snd i2c_piix4 parport_pc virtio_console soundcore parport acpi_cpufreq isofs squashfs 8021q garp stp llc mrp virtio_balloon virtio_net virtio_blk qxl drm_kms_helper ttm drm virtio_pci virtio_ring virtio ata_generic pata_acpi loop [ 98.704252] CPU: 0 PID: 943 Comm: spice-vdagentd Not tainted 4.3.0-0.rc3.git1.1.fc24.x86_64+debug #1 [ 98.704252] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.2-20150718_101000-lnx 04/01/2014 [ 98.704252] task: ffff880057440000 ti: ffff880045034000 task.ti: ffff880045034000 [ 98.704252] RIP: 0010:[] [] input_handle_event+0x232/0x4e0 [ 98.704252] RSP: 0018:ffff880045037d58 EFLAGS: 00010006 [ 98.704252] RAX: 0000000000000000 RBX: ffff88002dcc9000 RCX: 0000000000000003 [ 98.704252] RDX: 0000000000000018 RSI: 0000000000000000 RDI: 0000000000000018 [ 98.704252] RBP: ffff880045037d80 R08: 0000000000000000 R09: 0000000000000001 [ 98.704252] R10: ffff880057440000 R11: 0000000000000000 R12: 00000000000000b5 [ 98.704252] R13: 0000000000000003 R14: 0000000000000001 R15: ffff88002dcc9248 [ 98.704252] FS: 00007f416cfdb880(0000) GS:ffff880059000000(0000) knlGS:0000000000000000 [ 98.704252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.704252] CR2: 0000000000000024 CR3: 000000004242f000 CR4: 00000000000006f0 [ 98.704252] Stack: [ 98.704252] ffff88002dcc9000 0000000000000003 00000000000000b5 0000000000000001 [ 98.704252] ffff88002dcc9248 ffff880045037dc0 ffffffff8165c6d9 0000000000000286 [ 98.704252] 0000000000000018 00007ffe77773d60 ffff88003e814400 ffff880045038000 [ 98.704252] Call Trace: [ 98.704252] [] input_event+0x59/0x80 [ 98.704252] [] uinput_write+0x154/0x450 [uinput] [ 98.704252] [] ? port_fops_read+0xfd/0x1f0 [virtio_console] [ 98.704252] [] __vfs_write+0x37/0x100 [ 98.704252] [] vfs_write+0xa9/0x1a0 [ 98.704252] [] ? __fget_light+0x66/0x90 [ 98.704252] [] SyS_write+0x58/0xd0 [ 98.704252] [] entry_SYSCALL_64_fastpath+0x12/0x76 [ 98.704252] Code: 02 00 00 41 8d 4e d0 83 f9 0d 40 0f 96 c6 0f 86 36 02 00 00 48 8d 0c 52 48 8b 93 a0 01 00 00 48 8d 14 ca 48 85 d2 48 89 d7 74 6b <8b> 4a 0c 44 8b 07 85 c9 74 55 89 ca 45 89 c1 c1 ea 1f 01 ca d1 [ 98.704252] RIP [] input_handle_event+0x232/0x4e0 [ 98.704252] RSP [ 98.704252] CR2: 0000000000000024 [ 98.704252] ---[ end trace 5e16af14751e8a9c ]--- [ 98.704252] BUG: sleeping function called from invalid context at include/linux/sched.h:2768 [ 98.704252] in_atomic(): 1, irqs_disabled(): 1, pid: 943, name: spice-vdagentd [ 98.704252] INFO: lockdep is turned off. [ 98.704252] irq event stamp: 1446 [ 98.704252] hardirqs last enabled at (1445): [] __mutex_unlock_slowpath+0xb8/0x170 [ 98.704252] hardirqs last disabled at (1446): [] _raw_spin_lock_irq+0x1f/0x80 [ 98.704252] softirqs last enabled at (810): [] __do_softirq+0x380/0x490 [ 98.704252] softirqs last disabled at (797): [] irq_exit+0x112/0x120 [ 98.704252] CPU: 0 PID: 943 Comm: spice-vdagentd Tainted: G D 4.3.0-0.rc3.git1.1.fc24.x86_64+debug #1 [ 98.704252] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.2-20150718_101000-lnx 04/01/2014 [ 98.704252] 0000000000000000 000000005c11c6fa ffff880045037a10 ffffffff81417179 [ 98.704252] ffff880057440000 ffff880045037a38 ffffffff810d61d9 ffffffff81c781f3 [ 98.704252] 0000000000000ad0 0000000000000000 ffff880045037a60 ffffffff810d62d9 [ 98.704252] Call Trace: [ 98.704252] [] dump_stack+0x4b/0x72 [ 98.704252] [] ___might_sleep+0x179/0x230 [ 98.704252] [] __might_sleep+0x49/0x80 [ 98.704252] [] exit_signals+0x33/0x150 [ 98.704252] [] do_exit+0xc9/0xc30 [ 98.704252] [] ? kmsg_dump+0x151/0x1a0 [ 98.704252] [] ? kmsg_dump+0x34/0x1a0 [ 98.704252] [] oops_end+0x9a/0xd0 [ 98.704252] [] no_context+0x135/0x390 [ 98.704252] [] ? poll_select_copy_remaining+0x170/0x170 [ 98.704252] [] __bad_area_nosemaphore+0x88/0x200 [ 98.704252] [] bad_area_nosemaphore+0x13/0x20 [ 98.704252] [] __do_page_fault+0xd5/0x470 [ 98.704252] [] trace_do_page_fault+0x6e/0x250 [ 98.704252] [] do_async_page_fault+0x1a/0xa0 [ 98.704252] [] async_page_fault+0x28/0x30 [ 98.704252] [] ? input_handle_event+0x232/0x4e0 [ 98.704252] [] input_event+0x59/0x80 [ 98.704252] [] uinput_write+0x154/0x450 [uinput] [ 98.704252] [] ? port_fops_read+0xfd/0x1f0 [virtio_console] [ 98.704252] [] __vfs_write+0x37/0x100 [ 98.704252] [] vfs_write+0xa9/0x1a0 [ 98.704252] [] ? __fget_light+0x66/0x90 [ 98.704252] [] SyS_write+0x58/0xd0 [ 98.704252] [] entry_SYSCALL_64_fastpath+0x12/0x76 [ 98.704252] note: spice-vdagentd[943] exited with preempt_count 1 [ 98.764499] BUG: scheduling while atomic: spice-vdagentd/943/0x00000002 [ 98.765297] INFO: lockdep is turned off. [ 98.765745] Modules linked in: uinput fuse ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_filter ebtable_broute bridge ebtable_nat ebtables ip6table_security ip6table_raw ip6table_mangle ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_filter ip6_tables iptable_security iptable_raw iptable_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ppdev joydev snd_intel8x0 snd_ac97_codec kvm_amd kvm ac97_bus snd_seq snd_seq_device serio_raw snd_pcm snd_timer snd i2c_piix4 parport_pc virtio_console soundcore parport acpi_cpufreq isofs squashfs 8021q garp stp llc mrp virtio_balloon virtio_net virtio_blk qxl drm_kms_helper ttm drm virtio_pci virtio_ring virtio ata_generic pata_acpi loop [ 98.773884] CPU: 0 PID: 943 Comm: spice-vdagentd Tainted: G D 4.3.0-0.rc3.git1.1.fc24.x86_64+debug #1 [ 98.775028] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.2-20150718_101000-lnx 04/01/2014 [ 98.776116] 0000000000000000 000000005c11c6fa ffff880045037728 ffffffff81417179 [ 98.776983] ffff880057440000 ffff880045037740 ffffffff810d55dc ffff8800591d7a00 [ 98.777856] ffff880045037798 ffffffff81858525 ffffffff8185ea3b ffff8800584e5be0 [ 98.778734] Call Trace: [ 98.779031] [] dump_stack+0x4b/0x72 [ 98.779610] [] __schedule_bug+0x5c/0x80 [ 98.780257] [] __schedule+0x9a5/0xdb0 [ 98.780855] [] ? _raw_spin_unlock_irqrestore+0x5b/0x60 [ 98.781626] [] schedule+0x3a/0x90 [ 98.782554] [] schedule_timeout+0x239/0x330 [ 98.783230] [] ? wait_for_completion+0x4a/0x140 [ 98.783916] [] wait_for_completion+0xfd/0x140 [ 98.784600] [] ? wake_up_q+0x60/0x60 [ 98.785202] [] __wait_rcu_gp+0xd6/0x130 [ 98.785866] [] synchronize_sched+0xb4/0x130 [ 98.786580] [] ? trace_raw_output_rcu_utilization+0x60/0x60 [ 98.787408] [] ? synchronize_sched+0x8e/0x130 [ 98.788098] [] ? __call_rcu+0x410/0x410 [ 98.788715] [] namespace_unlock+0x68/0x80 [ 98.789364] [] drop_collected_mounts+0x8e/0xa0 [ 98.790054] [] ? put_mnt_ns+0x20/0x30 [ 98.790647] [] put_mnt_ns+0x20/0x30 [ 98.791231] [] free_nsproxy+0x1b/0x70 [ 98.791828] [] switch_task_namespaces+0x70/0x80 [ 98.792540] [] exit_task_namespaces+0x10/0x20 [ 98.793228] [] do_exit+0x34f/0xc30 [ 98.793797] [] ? kmsg_dump+0x151/0x1a0 [ 98.794425] [] ? kmsg_dump+0x34/0x1a0 [ 98.795035] [] oops_end+0x9a/0xd0 [ 98.795595] [] no_context+0x135/0x390 [ 98.796204] [] ? poll_select_copy_remaining+0x170/0x170 [ 98.796989] [] __bad_area_nosemaphore+0x88/0x200 [ 98.797704] [] bad_area_nosemaphore+0x13/0x20 [ 98.798634] [] __do_page_fault+0xd5/0x470 [ 98.799290] [] trace_do_page_fault+0x6e/0x250 [ 98.799967] [] do_async_page_fault+0x1a/0xa0 [ 98.800653] [] async_page_fault+0x28/0x30 [ 98.801307] [] ? input_handle_event+0x232/0x4e0 [ 98.801998] [] input_event+0x59/0x80 [ 98.802606] [] uinput_write+0x154/0x450 [uinput] [ 98.803330] [] ? port_fops_read+0xfd/0x1f0 [virtio_console] [ 98.804198] [] __vfs_write+0x37/0x100 [ 98.804851] [] vfs_write+0xa9/0x1a0 [ 98.805510] [] ? __fget_light+0x66/0x90 [ 98.806138] [] SyS_write+0x58/0xd0 [ 98.806766] [] entry_SYSCALL_64_fastpath+0x12/0x76