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* [Bug 86164] New: Dual screen causes KDE crash on NV50 (NV98) in nouveau (bisected)
@ 2014-11-11 18:31 bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
       [not found] ` <bug-86164-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
  0 siblings, 1 reply; 6+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2014-11-11 18:31 UTC (permalink / raw)
  To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW


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https://bugs.freedesktop.org/show_bug.cgi?id=86164

            Bug ID: 86164
           Summary: Dual screen causes KDE crash on NV50 (NV98) in nouveau
                    (bisected)
           Product: xorg
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: maris.nartiss-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 109296
  --> https://bugs.freedesktop.org/attachment.cgi?id=109296&action=edit
A Xorg log file of failing session

Starting with "[86024ceef015ffe31a204cc5bc6c326a19363ff1] glamor: initial
support (no dri)" is not possible to configure a secondary monitor while
running KDE 4.14.2. 

Steps to reproduce:
Version A:
 * while a KDE session is open, plug in a secondary monitor
 * use KDE display configuration tool to enable second monitor
 * X11 server gets restarted -> KDM window appears

Version B:
 * start system with a secondary monitor attached
 * observe how system is running in a "clone" mode (there is output on
secondary monitor)
 * log in in KDM
 * observe how X11 gets restarted -> KDM window appears

Solution - use any revision before 86024ceef0

Unfortunately log files are empty - there are no meaninful messages that could
shead a light on the issue. No crash is recorded, xorgsession-errors are just
indicating on IO error while connecting to X11;

There is some issue with EDID, although KDE monitor configuration displays
correct information. dmesg snip:
[    0.000000] Kernel command line: BOOT_IMAGE=/boot/kernel-3.17.2
root=/dev/sda2 ro nouveau.noaccel=1 resume=/dev/sda6
[   13.310327] nouveau 0000:01:00.0: irq 36 for MSI/MSI-X
[   14.481036] fbcon: nouveaufb (fb0) is primary device
[   14.818215] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device
[   14.818217] nouveau 0000:01:00.0: registered panic notifier
[   14.832075] [drm] Initialized nouveau 1.2.0 20120801 for 0000:01:00.0 on
minor 0
[  103.530600] Raw EDID:
[  103.530603]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  103.530605]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  103.530605]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  103.530606]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  103.530607]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  103.530608]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  103.530609]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  103.530610]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  103.530614] nouveau 0000:01:00.0: VGA-1: EDID block 0 invalid.
[  103.530617] nouveau E[     DRM] DDC responded, but no EDID for VGA-1


git bisect start
# bad: [3fb97d78202213c1221a1d3ad8a5cebda78fdf44] fix null pointer deref
git bisect bad 3fb97d78202213c1221a1d3ad8a5cebda78fdf44
# good: [480f0998ffed6d9a5c6656dba75182f00fd88a1b] bump to 1.0.10 for release
git bisect good 480f0998ffed6d9a5c6656dba75182f00fd88a1b
# bad: [f0fa8313714c2a5b16e784b257b5ff79da3a443b] dri2: Enable sync of
bufferswaps to Vblank by default.
git bisect bad f0fa8313714c2a5b16e784b257b5ff79da3a443b
# bad: [81148bb1dbc7007c021c59411d56cb31cfc74ef2] glamor: provide dri3 support
when enabled
git bisect bad 81148bb1dbc7007c021c59411d56cb31cfc74ef2
# good: [b24cae0bf5db6ece21439d4c6ff3668aed4c78d6] dri2: move "is supported"
checks out of nv_driver.c
git bisect good b24cae0bf5db6ece21439d4c6ff3668aed4c78d6
# good: [4b138ab18f58c6d459e21dc319615f536c8e69c8] merge nv_dma.c into
nv_accel_common.c
git bisect good 4b138ab18f58c6d459e21dc319615f536c8e69c8
# good: [fd0ce8839f307693d86c7602dd926ce79e6b777d] add support for maxwell,
minus Xv/renderaccel
git bisect good fd0ce8839f307693d86c7602dd926ce79e6b777d
# bad: [86024ceef015ffe31a204cc5bc6c326a19363ff1] glamor: initial support (no
dri)
git bisect bad 86024ceef015ffe31a204cc5bc6c326a19363ff1
# first bad commit: [86024ceef015ffe31a204cc5bc6c326a19363ff1] glamor: initial
support (no dri)

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^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2019-12-04  8:51 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-11-11 18:31 [Bug 86164] New: Dual screen causes KDE crash on NV50 (NV98) in nouveau (bisected) bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
     [not found] ` <bug-86164-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2014-11-11 19:04   ` [Bug 86164] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2014-11-12  9:40   ` [Bug 86164] Screen resize causes " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2014-11-13 17:35   ` Where is reclocking now Lucas Francesco
     [not found]     ` <1415900152.1778.6.camel-UNjbfPCYOH1dxbXjD5WgADf3LNKNG0CT@public.gmane.org>
2014-11-13 19:37       ` Ilia Mirkin
2019-12-04  8:51   ` [Bug 86164] Screen resize causes crash on NV50 (NV98) in nouveau (bisected) bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

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