Bug 104698

Summary: crashes when monitor is turned off or turned on
Product: xorg Reporter: Valdas <zmogas>
Component: Driver/nouveauAssignee: Nouveau Project <nouveau>
Status: RESOLVED MOVED QA Contact: Xorg Project Team <xorg-team>
Severity: normal    
Priority: medium CC: jan.public
Version: 7.7 (2012.06)   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
xorg log for comment no. 2
none
kern log for comment no. 2
none
kernel log for comment no. 4
none
xorg log for comment no. 4
none
old xorg log for comment no. 4 none

Description Valdas 2018-01-19 09:52:58 UTC 
Setup:
 - kubuntu 17.10;
 - kernel v4.13.0-25-generic;
 - plasma v5.11.5;
 - QT: 5.9.1;
 - video card NVIDIA GTX 1080Ti;
 - video driver: nouveau (v1.0.15-2);
 - primary monitor: BENQ connected through DisplayPort;
 - secondary monitor (smaller resolution): LG connected through HDMI->VGA converter;
 - secondary monitor is on the left of primary monitor;

Problem:
 - if I turn off primary monitor when logged in then xorg crashes and login screen appears;
 - if I turn on primary monitor after log on then xorg crashes and login screen appears;

After xorg crash I still can see picture (login screen) on secondary monitor.

Entries from kernel log (several crashes after I played with power button of primary monitor):

2018-01-19 10:21	usb 1-6	USB disconnect, device number 2
2018-01-19 10:21	nouveau 0000	6:00.0: disp: 0x00006541[0]: INIT_GENERIC_CONDITON: unknown 0x07
2018-01-19 10:21	show_signal_msg	10 callbacks suppressed
2018-01-19 10:21		kscreen_backend[1444]: segfault at 10 ip 00007ff3a9466968 sp 00007ffe1faae640 error 4 in KSC_XRandR.so[7ff3a944e000+21000]
2018-01-19 10:21	nouveau 0000	6:00.0: gr: FECS falcon already acquired by gr!
2018-01-19 10:21	nouveau 0000	6:00.0: gr: init failed, -16
2018-01-19 10:21	usb 1-6	new high-speed USB device number 3 using xhci_hcd
2018-01-19 10:21	usb 1-6	New USB device found, idVendor=05e3, idProduct=0608
2018-01-19 10:21	usb 1-6	New USB device strings: Mfr=0, Product=1, SerialNumber=0
2018-01-19 10:21	usb 1-6	Product: USB2.0 Hub
2018-01-19 10:21	hub 1-6	.0: USB hub found
2018-01-19 10:21	hub 1-6	.0: 4 ports detected
2018-01-19 10:22		kscreen_backend[3140]: segfault at 14 ip 00007f207d87ebb2 sp 00007ffd44f5efa0 error 4 in KSC_XRandR.so[7f207d86a000+21000]
2018-01-19 10:22	nouveau 0000	6:00.0: gr: FECS falcon already acquired by gr!
2018-01-19 10:22	nouveau 0000	6:00.0: gr: init failed, -16
2018-01-19 10:22	usb 1-6	USB disconnect, device number 3
2018-01-19 10:22	nouveau 0000	6:00.0: disp: 0x00006541[0]: INIT_GENERIC_CONDITON: unknown 0x07
2018-01-19 10:22		kscreen_backend[3455]: segfault at 10 ip 00007fb6d7df6968 sp 00007ffd1dd2c7c0 error 4 in KSC_XRandR.so[7fb6d7dde000+21000]
2018-01-19 10:22	nouveau 0000	6:00.0: gr: FECS falcon already acquired by gr!
2018-01-19 10:22	nouveau 0000	6:00.0: gr: init failed, -16
2018-01-19 10:23	usb 1-6	new high-speed USB device number 4 using xhci_hcd
2018-01-19 10:23	usb 1-6	New USB device found, idVendor=05e3, idProduct=0608
2018-01-19 10:23	usb 1-6	New USB device strings: Mfr=0, Product=1, SerialNumber=0
2018-01-19 10:23	usb 1-6	Product: USB2.0 Hub
2018-01-19 10:23	hub 1-6	.0: USB hub found
2018-01-19 10:23	hub 1-6	.0: 4 ports detected
2018-01-19 10:23		kscreen_backend[4005]: segfault at 14 ip 00007f9292aafbb2 sp 00007fffa169f410 error 4 in KSC_XRandR.so[7f9292a9b000+21000]
2018-01-19 10:23	nouveau 0000	6:00.0: gr: FECS falcon already acquired by gr!
2018-01-19 10:23	nouveau 0000	6:00.0: gr: init failed, -16
2018-01-19 10:23	nouveau 0000	6:00.0: gr: init failed, -16
Comment 1 Valdas 2018-01-19 10:26:40 UTC 
Created attachment 136844 [details]
xorg log for comment no. 2
Comment 2 Valdas 2018-01-19 10:33:49 UTC 
Hmmm.. I cannot reproduce previous behavior. Now it behaves differently:
 - if I turn off primary monitor when I logged in then all windows and taskbar jumps in to secondary monitor (acts like primary?) which still displays picture;
 - if I turn on primary monitor then all windows and taskbar still remains in secondary monitor; primary monitor displays "mo signal" and goes power save.
 Attaching xorg and kernel logs.

P.S. during testing I gought situation when after boot up picture in primary monitor rapidly changes between login screen and black screen.
Comment 3 Valdas 2018-01-19 10:36:42 UTC 
Created attachment 136845 [details]
kern log for comment no. 2
Comment 4 Valdas 2018-01-19 18:27:12 UTC 
 I reproduced xorg crash (as in description) again. I think key is that secondary monitor was turned off (power save mode like: cable connected but power button blinking) during boot up. Then I turned off primary display (crash), then logged in and turned on primary display (crash), then again logged in.
 Attached kernel log and both xorg logs.
Comment 5 Valdas 2018-01-19 18:28:15 UTC 
Created attachment 136854 [details]
kernel log for comment no. 4
Comment 6 Valdas 2018-01-19 18:28:47 UTC 
Created attachment 136855 [details]
xorg log for comment no. 4
Comment 7 Valdas 2018-01-19 18:29:33 UTC 
Created attachment 136856 [details]
old xorg log for comment no. 4
Comment 8 Martin Peres 2019-12-04 09:35:45 UTC 
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