Tried to upgrade to current linux git but it crashes. My primary GPU is intel. nouveau is just sleeping. The problem appeared after recent drm merge from 1-2 day ago. (on working kernel) $ cat /sys/kernel/debug/vgaswitcheroo/switch 0:IGD:+:Pwr:0000:00:02.0 1:DIS: :DynOff:0000:02:00.0 [ 10.278052] nouveau [ VBIOS][0000:02:00.0] ... appears to be valid [ 10.282075] nouveau [ VBIOS][0000:02:00.0] using image from ACPI [ 10.286261] nouveau [ VBIOS][0000:02:00.0] BIT signature found [ 10.290288] nouveau [ VBIOS][0000:02:00.0] version 80.07.b3.00.10 [ 10.294580] nouveau [ DEVINIT][0000:02:00.0] adaptor not initialised [ 10.298610] nouveau [ VBIOS][0000:02:00.0] running init tables [ 10.459281] nouveau 0000:02:00.0: irq 53 for MSI/MSI-X [ 10.459290] nouveau [ PMC][0000:02:00.0] MSI interrupts enabled [ 10.463323] nouveau [ PFB][0000:02:00.0] RAM type: GDDR5 [ 10.467278] nouveau [ PFB][0000:02:00.0] RAM size: 2048 MiB [ 10.471193] nouveau [ PFB][0000:02:00.0] ZCOMP: 0 tags [ 10.477213] nouveau [ VOLT][0000:02:00.0] GPU voltage: 600000uv [ 10.513107] nouveau [ PTHERM][0000:02:00.0] FAN control: none / external [ 10.516957] nouveau [ PTHERM][0000:02:00.0] fan management: automatic [ 10.520763] nouveau [ PTHERM][0000:02:00.0] internal sensor: yes [ 10.524561] nouveau [ CLK][0000:02:00.0] 07: core 405 MHz memory 810 MHz [ 10.528366] nouveau [ CLK][0000:02:00.0] 0a: core 405-1058 MHz memory 1600 MHz [ 10.532164] nouveau [ CLK][0000:02:00.0] 0f: core 405-1058 MHz memory 5000 MHz [ 10.536022] nouveau [ CLK][0000:02:00.0] --: core 405 MHz memory 810 MHz [ 10.577969] nouveau E[ PBUS][0000:02:00.0] MMIO write of 0x00000002 FAULT at 0x4188ac [ IBUS ] [ 10.577999] Oops: 0000 [#1] PREEMPT SMP [ 10.578021] Modules linked in: arc4 joydev iTCO_wdt iTCO_vendor_support hid_multitouch ext2 ecb mbcache dell_wmi sparse_keymap iwlmvm mac80211 dell_laptop dcdbas intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp crc32_pclmul ghash_clmulni_intel psmouse microcode serio_raw pcspkr uvcvideo iwlwifi btusb videobuf2_vmalloc i2c_i801 nouveau(+) bluetooth videobuf2_memops videobuf2_core cfg80211 v4l2_common 6lowpan_iphc videodev crc16 lpc_ich mxm_wmi binfmt_misc rfkill usbhid ttm media mfd_core shpchp thermal fan int3403_thermal snd_hda_codec_realtek snd_hda_codec_hdmi battery ac snd_hda_codec_generic wmi dell_smo8800 evdev snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore cpufreq_stats acpi_cpufreq processor vhost_net tun vhost macvtap macvlan tcp_illinois [ 10.578030] kvm_intel kvm ipv6 autofs4 efivarfs xfs(E) libcrc32c(E) crc32c_generic(E) crc32c_intel(E) aesni_intel(E) lrw(E) gf128mul(E) glue_helper(E) ablk_helper(E) cryptd(E) aes_x86_64(E) dm_crypt(E) dm_mod(E) sd_mod(E) crc_t10dif(E) crct10dif_generic(E) crct10dif_pclmul(E) crct10dif_common(E) ahci(E) libahci(E) libata(E) scsi_mod(E) hid_logitech_dj(E) hid(E) xhci_hcd(E) ehci_pci(E) ehci_hcd(E) usbcore(E) usb_common(E) [ 10.578033] CPU: 1 PID: 4066 Comm: systemd-udevd Tainted: G E 3.15.0-11819-gc1fdb2d #660 [ 10.578033] Hardware name: Dell Inc. XPS 15 9530/XPS 15 9530, BIOS A05 04/16/2014 [ 10.578034] task: ffff880417299850 ti: ffff8804141c8000 task.ti: ffff8804141c8000 [ 10.578067] RIP: 0010:[<ffffffffa06c532c>] [<ffffffffa06c532c>] _nouveau_disp_dtor+0x26/0x65 [nouveau] [ 10.578068] RSP: 0018:ffff8804141cb8f8 EFLAGS: 00010246 [ 10.578069] RAX: 0000000000000000 RBX: ffff880416b84200 RCX: ffff8804141cb8f0 [ 10.578069] RDX: ffffffffffffffe0 RSI: ffff88041768b000 RDI: 0000000000000000 [ 10.578070] RBP: ffff8804141cb910 R08: ffff88042e403600 R09: ffff8804141cb8f0 [ 10.578070] R10: 0000000000000020 R11: ffffffffa06854c1 R12: ffffffffa0750c30 [ 10.578070] R13: ffff880416b87d68 R14: ffffffffa0750c80 R15: ffff88041768b000 [ 10.578071] FS: 00007fdcda17a880(0000) GS:ffff88042ea40000(0000) knlGS:0000000000000000 [ 10.578072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.578073] CR2: 0000000000000000 CR3: 00000004168a9000 CR4: 00000000001407e0 [ 10.578073] Stack: [ 10.578074] ffffffffffffffe0 00000000ffffffed ffffffffa0750c30 ffff8804141cb950 [ 10.578075] ffffffffa0685322 ffff880416b84200 ffff88041768b000 0000000000000023 [ 10.578076] 000000000000002d ffff88041768b110 0000000000000021 ffff8804141cb9b8 [ 10.578076] Call Trace: [ 10.578099] [<ffffffffa0685322>] nouveau_object_ctor+0x68/0xa5 [nouveau] [ 10.578126] [<ffffffffa06c1f0c>] nouveau_devobj_ctor+0x521/0x5b4 [nouveau] [ 10.578146] [<ffffffffa06852e5>] nouveau_object_ctor+0x2b/0xa5 [nouveau] [ 10.578167] [<ffffffffa0685a1c>] nouveau_object_new+0x13e/0x1dc [nouveau] [ 10.578197] [<ffffffffa06f5574>] nouveau_drm_load+0x276/0x86b [nouveau] [ 10.578200] [<ffffffff812a3cd6>] drm_dev_register+0x79/0xef [ 10.578202] [<ffffffff812a5db9>] drm_get_pci_dev+0xf7/0x1ba [ 10.578230] [<ffffffffa06f520b>] nouveau_drm_probe+0x1e8/0x20d [nouveau] [ 10.578233] [<ffffffff812042d5>] pci_device_probe+0x6e/0xcf [ 10.578236] [<ffffffff8132f92a>] driver_probe_device+0x12c/0x30b [ 10.578238] [<ffffffff8132fb99>] __driver_attach+0x58/0x7a [ 10.578240] [<ffffffff8132fb41>] ? __device_attach+0x38/0x38 [ 10.578241] [<ffffffff8132de5e>] bus_for_each_dev+0x76/0x80 [ 10.578243] [<ffffffff8132f3a9>] driver_attach+0x19/0x1b [ 10.578244] [<ffffffff8132f03c>] bus_add_driver+0x12a/0x1f4 [ 10.578247] [<ffffffff81330276>] driver_register+0x89/0xc5 [ 10.578249] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff [ 10.578251] [<ffffffff812037f3>] __pci_register_driver+0x46/0x48 [ 10.578252] [<ffffffff812a5ed5>] drm_pci_init+0x59/0xda [ 10.578254] [<ffffffffa07a4000>] ? 0xffffffffa07a3fff [ 10.578272] [<ffffffffa07a4043>] nouveau_drm_init+0x43/0x1000 [nouveau] [ 10.578275] [<ffffffff810003b7>] do_one_initcall+0x193/0x1a8 [ 10.578277] [<ffffffff811152bf>] ? kfree+0x10e/0x15a [ 10.578279] [<ffffffff81106d94>] ? __vunmap+0xa4/0xaa [ 10.578282] [<ffffffff8109aa39>] load_module+0x183f/0x1ea2 [ 10.578283] [<ffffffff81097dcd>] ? store_uevent+0x35/0x35 [ 10.578285] [<ffffffff8109b1df>] SyS_finit_module+0x79/0x8f [ 10.578289] [<ffffffff8144ba92>] system_call_fastpath+0x16/0x1b [ 10.578298] Code: 5d 41 5e 5d c3 55 48 89 e5 41 54 53 48 89 fb 52 48 8d bf b8 00 00 00 e8 71 e9 fb ff 48 8b 83 a0 00 00 00 48 8d 50 e0 48 89 55 e8 <4c> 8b 20 48 8b 45 e8 49 83 ec 20 48 8d 50 20 48 8d 83 a0 00 00 [ 10.578323] RIP [<ffffffffa06c532c>] _nouveau_disp_dtor+0x26/0x65 [nouveau] [ 10.578324] RSP <ffff8804141cb8f8> [ 10.578324] CR2: 0000000000000000 [ 40.369953] ---[ end trace ad22c559c3d7d8ce ]--- $ lspci -vvnn |grep -iE "(graph|3d)" 00:02.0 VGA compatible controller [0300]: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA controller]) 02:00.0 3D controller [0302]: NVIDIA Corporation GK107M [GeForce GT 750M] [10de:0fe4] (rev a1)
Created attachment 100964 [details] dmesg
Created attachment 100965 [details] kernel config
Created attachment 100966 [details] dmesg from working 3.15.0
Is this still an issue in 3.16?
Not sure about 3.16 but it is fine on current Linus git.
(In reply to comment #5) > Not sure about 3.16 but it is fine on current Linus git. Good enough for me :)
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