Launchpad has imported 3 comments from the remote bug at https://bugs.freedesktop.org/show_bug.cgi?id=55346.
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Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2012-09-26T06:30:09+00:00 Timo Aaltonen wrote: downstream bug from ubuntu, with several dupes: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1053836 we do have the autobind patch from Dave applied, but these machines are not all hybrid ones, and the crash can occur on resume from suspend so it's not related to how the xserver is initialized. stacktrace: #0 0x00007f8a16b1a405 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 resultvar = 0 pid = <optimized out> selftid = 4706 #1 0x00007f8a16b1db6b in __GI_abort () at abort.c:91 save_stage = 2 act = {__sigaction_handler = {sa_handler = 0x54, sa_sigaction = 0x54}, sa_mask = {__val = {140231098526174, 140231062760520, 140231096579296, 1, 96, 4294967295, 0, 4294967295, 140231098548268, 4294967295, 1, 4313384, 0, 140231101134304, 140231101134464, 140231096762368}}, sa_flags = 412358532, sa_restorer = 0x7f8a00000001} sigs = {__val = {32, 0 <repeats 15 times>}} #2 0x00007f8a18d06b9e in OsAbort () at ../../os/utils.c:1266 No locals. #3 0x00007f8a18bedd7c in ddxGiveUp (error=EXIT_ERR_ABORT) at ../../../../hw/xfree86/common/xf86Init.c:1096 i = <optimized out> #4 0x00007f8a18d0bb52 in AbortServer () at ../../os/log.c:652 No locals. #5 0x00007f8a18d0c3ed in FatalError (f=f@entry=0x7f8a18d35668 "Caught signal %d (%s). Server aborting\n") at ../../os/log.c:793 args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff42ad6fa0, reg_save_area = 0x7fff42ad6ee0}} args2 = {{gp_offset = 8, fp_offset = 48, overflow_arg_area = 0x7fff42ad6fa0, reg_save_area = 0x7fff42ad6ee0}} beenhere = 1 #6 0x00007f8a18d0494e in OsSigHandler (sip=<optimized out>, signo=11, unused=<optimized out>) at ../../os/osinit.c:146 No locals. #7 OsSigHandler (signo=11, sip=<optimized out>, unused=<optimized out>) at ../../os/osinit.c:107 No locals. #8 <signal handler called> No symbol table info available. #9 list_is_empty (head=<optimized out>) at ../../src/intel_list.h:269 No locals. #10 intel_mode_fini (intel=intel@entry=0x7f8a1a2ac880) at ../../src/intel_display.c:1774 mode = 0x0 #11 0x00007f8a158872f5 in I830FreeScreen (arg=0x7f8a1a2abae0) at ../../src/intel_driver.c:1077 scrn = 0x7f8a1a2abae0 intel = 0x7f8a1a2ac880 #12 0x00007f8a18bf68b4 in xf86DeleteScreen (pScrn=0x7f8a1a2abae0) at ../../../../hw/xfree86/common/xf86Helper.c:237 i = <optimized out> scrnIndex = 0 is_gpu = 0 #13 0x00007f8a18befbc3 in InitOutput (pScreenInfo=pScreenInfo@entry=0x7f8a18f8eda0, argc=argc@entry=9, argv=argv@entry=0x7fff42ad7798) at ../../../../hw/xfree86/common/xf86Init.c:628 i = -1 j = <optimized out> k = <optimized out> scr_index = <optimized out> modulelist = <optimized out> optionlist = 0x7f8a1a29d920 screenpix24 = <optimized out> pix24 = <optimized out> pix24From = X_DEFAULT pix24Fail = 0 autoconfig = <optimized out> sigio_blocked = 0 configured_device = <optimized out> #14 0x00007f8a18b9c386 in main (argc=9, argv=0x7fff42ad7798, envp=<optimized out>) at ../../dix/main.c:204 i = <optimized out> alwaysCheckForInput = {0, 1} Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video- intel/+bug/1053836/comments/7 ------------------------------------------------------------------------ On 2012-09-26T06:30:39+00:00 Timo Aaltonen wrote: kernel 3.5.4, ddx 2.20.8, xserver 1.13 Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video- intel/+bug/1053836/comments/8 ------------------------------------------------------------------------ On 2012-09-26T08:05:12+00:00 Chris Wilson wrote: commit addfa653cf51fa45c7eae49be1fd722aaadf97d6 Author: Chris Wilson <ch...@chris-wilson.co.uk> Date: Wed Sep 26 08:59:18 2012 +0100 uxa: Prevent attempting to call intel_mode_fini() before PreInit runs In the Ubuntu xserver it is apparently possible for the Screen to be deleted prior to being fully initialised. Make sure we don't crash in that situation! Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=55346 Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video- intel/+bug/1053836/comments/9 ** Changed in: xorg-server Status: Unknown => Fix Released ** Changed in: xorg-server Importance: Unknown => Medium -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1053836 Title: Xorg crashed with SIGABRT in list_is_empty() To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1053836/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
