Re: [2.6.25-rc6] possible regression: X server dying

From: Dave Airlie
Date: Mon Mar 24 2008 - 19:22:47 EST


On Tue, Mar 25, 2008 at 8:38 AM, Tilman Schmidt <tilman@xxxxxxx> wrote:
> In the five days since I booted a 2.6.25-rc6 kernel on my development
> machine, it has happened three times already that I came back to the
> machine to find that the X server had exited, killing all applications
> that still had a window open. This has never happened with previous
> kernel versions (2.6.22.17, 2.6.24.3, 2.6.25-rc5), so I suspect some
> relation to the latest rc kernel.
>
> Syslog entries around the time of the crash (identical each time):
>
> Mar 24 21:59:57 xenon kernel: [424469.161592] PM: Removing info for No
> Bus:vcs7
> Mar 24 21:59:57 xenon kernel: [424469.162591] PM: Removing info for No
> Bus:vcsa7
> Mar 24 21:59:57 xenon kernel: [424469.179556] uhci_hcd 0000:00:1d.1:
> release dev 4 ep81-INT, period 8, phase 4, 93 us
> Mar 24 21:59:57 xenon gconfd (ts-21705): Signal 15 erhalten,
> ordungsgemäßes Herunterfahren
> Mar 24 21:59:57 xenon gconfd (ts-21705): Beenden
> Mar 24 21:59:57 xenon gdm[21341]: WARNING: gdm_slave_xioerror_handler:
> Schwerwiegender X-Fehler - :0 wird neu gestartet
> Mar 24 21:59:58 xenon kernel: [426716.212842] PM: Adding info for No
> Bus:vcs7
> Mar 24 21:59:58 xenon kernel: [426716.213300] PM: Adding info for No
> Bus:vcsa7
> Mar 24 21:59:58 xenon kernel: [426716.295997] PM: Removing info for No
> Bus:vcs7
> Mar 24 21:59:58 xenon kernel: [426716.296110] PM: Removing info for No
> Bus:vcsa7
> Mar 24 21:59:59 xenon kernel: [426716.434662] PM: Adding info for No
> Bus:vcs7
> Mar 24 21:59:59 xenon kernel: [426716.434742] PM: Adding info for No
> Bus:vcsa7
> Mar 24 22:00:00 xenon kernel: [426717.727427] uhci_hcd 0000:00:1d.1:
> reserve dev 4 ep81-INT, period 8, phase 4, 93 us
> Mar 24 22:00:00 xenon kernel: [424472.319521] uhci_hcd 0000:00:1d.1:
> release dev 4 ep81-INT, period 8, phase 4, 93 us
> Mar 24 22:00:00 xenon kernel: [426717.997926] uhci_hcd 0000:00:1d.1:
> reserve dev 4 ep81-INT, period 8, phase 4, 93 us
> Mar 24 22:00:02 xenon gconfd (root-15531): (Version 2.20.0) wird
> gestartet, Prozesskennung 15531, Benutzer »root«
> Mar 24 22:00:02 xenon gconfd (root-15531): Die Adresse
> »xml:readonly:/etc/gconf/gconf.xml.mandatory« wurde an der Position 0 zu
> einer nur lesbaren Konfigurationsquelle aufgelöst
> Mar 24 22:00:02 xenon gconfd (root-15531): Die Adresse
> »xml:readwrite:/root/.gconf« wurde an der Position 1 zu einer
> schreibbaren Konfigurationsquelle aufgelöst
> Mar 24 22:00:02 xenon gconfd (root-15531): Die Adresse
> »xml:readonly:/etc/gconf/gconf.xml.defaults« wurde an der Position 2 zu
> einer nur lesbaren Konfigurationsquelle aufgelöst
> Mar 24 22:00:02 xenon gconfd (root-15531): Die Adresse
> »xml:readonly:/etc/gconf/gconf.xml.schemas« wurde an der Position 3 zu
> einer nur lesbaren Konfigurationsquelle aufgelöst
> Mar 24 22:00:05 xenon kernel: [426722.904631] gtk-window-deco[15527]:
> segfault at 4 ip b785c98a sp bfa4d160 error 4 in
> libcairo.so.2.11.5[b7852000+7c000]
>
> (The translation of the German error message from gdm is:
> "Serious X error - restarting :0"
> The German language messages from gconfd are probably not important,
> as they appear identically during a regular X logout/login cycle.)
>
> I'm at a loss where to start investigating this. Bisecting appears
> impractical given the error happens about every other day with no
> obvious triggering condition (except me being afk for a longer time.)
>
> Configuration: Pentium D940, 2 GB RAM, Intel 965 chipset, Matrox
> G550 PCIe graphics adapter, openSUSE 10.3 32 bit install.
>
> Ideas?

anything in the X.org logfiles? does it happen with DRI off?

I don't think any of the DRM changes I made could cause this, so I'd
be looking towards something more generic..

Dave.

>
> Thanks
> Tilman
>
>
>
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