Package: xserver-xorg-video-nouveau Version: 1:1.0.16-1 Severity: critical ... $ uname -a Linux wjrws3 4.19.0-18-amd64 #1 SMP Debian 4.19.208-1 (2021-09-29) x86_64 GNU/Linux ... $ apt show libc6 | grep ^Version Version: 2.28-10 ... $ cat /etc/debian_version 10.11 after update of libreoffice, I get reproducible crashes of xserver using libreoffice writer some minutes after opening document no reproducible usage point in writer stable for hours with open document but no active editing no crashes yet when using calc old 1:6.1.5-3+deb10u? new 1:7.0.4-4+deb11u1~bpo10+1 "apt-get upgrade" (within buster, no upgrade to bullseye) did not help extract of imho critical section of Xorg.0.log ----8<------------------------ .... [385404.243] (II) This device may have been added with another device file. [385404.486] (II) modeset(0): Disabling kernel dirty updates, not required. [385408.740] (II) event2 - USB Optical Mouse: Enabling spurious button debouncing, see https://wayland.freedesktop.org/ libinput/doc/1.12.6/button-debouncing.html for details [385750.415] (EE) glamor0: GL error: GL_OUT_OF_MEMORY in glTexSubImage [385750.415] (WW) glamor: Failed to allocate 16x16 FBO due to GL_OUT_OF_MEMORY. [385750.415] (WW) glamor: Expect reduced performance. [385992.239] (EE) glamor0: GL error: GL_OUT_OF_MEMORY in glTexSubImage [386004.471] (EE) glamor0: GL error: GL_OUT_OF_MEMORY in glTexSubImage [386233.246] (EE) glamor0: GL error: GL_OUT_OF_MEMORY in glTexSubImage [387099.301] (EE) glamor0: GL error: GL_OUT_OF_MEMORY in glTexSubImage [387099.301] (EE) [387099.301] (EE) Backtrace: [387099.301] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x139) [0x559450d99b39] [387099.302] (EE) 1: /lib/x86_64-linux-gnu/libpthread.so.0 (funlockfile+0x50) [0x7fda59c2277f] ... Fatal server error: [387099.304] (EE) Caught signal 11 (Segmentation fault). Server aborting .... ----8<------------------------ (complete log file of a crash event is attached) searching the web for the error message, I think the error is identified here: https://bugs.freedesktop.org/show_bug.cgi?id=110500 I tried solution https://bugs.freedesktop.org/show_bug.cgi?id=110500#c5 I can reproduce that "modeset(0)" messages are no longer in Xorg.0.log I can find "NOUVEAU(0)" messages now, as indicated in the fix description. Testing of stability is still going on. background: https://gitlab.freedesktop.org/xorg/xserver/-/issues/647 https://bugzilla.redhat.com/show_bug.cgi?id=1648475 https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1853266 https://stackoverflow.com/questions/34204537/how-to-handle-gl-out-of-memory-error-during-glbufferdata My system results from repeated upgrade, started from Jessie as far as I can remember. So the error may be a result of incorrect upgrade of X config, collected somewhere along the path. It also may be that my graphic card is not up to date in terms of memory: lspci ... 01:00.0 VGA compatible controller: NVIDIA Corporation G92 [GeForce 9800 GT] (rev a2) ... anyway, crashing imho is never the expected behavour of a debian system. I agree with links given above that X server should be robust against old hardware, misconfig an ressource overdemand. yours sincerely -- Wolfgang Rosner wrosner@tirnet.de
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