| Summary: | Xorg server crash in WaitForSomething | ||
|---|---|---|---|
| Product: | xorg | Reporter: | Felix Kühling <fxkuehl> |
| Component: | Server/General | Assignee: | Xorg Project Team <xorg-team> |
| Status: | RESOLVED FIXED | QA Contact: | |
| Severity: | normal | ||
| Priority: | high | CC: | roland.mainz |
| Version: | git | ||
| Hardware: | x86 (IA32) | ||
| OS: | Linux (All) | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
It happened again. This time just after logging into a local gnome session and
starting a gnome-terminal. So it has nothing to do with Xnest. It may be that
both happened when I started moving the mouse after a short break. This is the
output I got from my extended error message:
Fatal server error:
WaitForSomething(): select: errno=22
MaxClients=256, wt=0xbffff698, wt.tv_sec=86, wt.tv_usec=654000
The timeout looks quite long to me, but is it enough to cause select to return
EINVAL? I'll try that out later.
Can you try an reproduce with an older DRM? I think we do need those functions stubbed out the way we had them as Keith pointed out... (In reply to comment #2) > Can you try an reproduce with an older DRM? I think we do need those functions > stubbed out the way we had them as Keith pointed out... The problem is that this is hard to reproduce. I have got two server crashes in three days now. In order to be sure I'd have to run the old DRM for several days. Or would it be enouogh evidence that I didn't have a single server crash with Xorg CVS before the DRM updates? If someone else reported server crashes with Jon's latest DRM that would make me much more confident. Another thing I noticed since a few days ago is that two or three times the gnome panel or window manager died and were restarted by the gnome session. Yesterday emacs suddenly disappeared and in the terminal where I had started it from I got a message like "Connection to Xserver :0.0 lost.". Could this be related too? I got another crash (the 3rd one) an hour ago. This time I had added some more debug code that checked if the bit of the DRM descriptor (always happens to be 8 for me) was set in any of the fdsets. It was not. So I'm a bit out of ideas right now. I also read some kernel code and it looks like it just ignores files for which no poll fop is available. So I doubt this is related to Jon's kernel changes. I'll run another CVS update now and recompile and see if that helps. I got the same crash 3 or 4 times since the last week (e.g. same WaitForSomething(): select: errno=22 error message). And I also saw programs randomly dying (kwin, kicker) for no apparent reason. Only local session. I can't be sure though that my crashes are not my own fault, as I often do "live" updates on dri drivers (e.g. just copy r200_dri.so with --remove-destination over while the server is running), which has worked well in the past but I'm not sure if it's actually safe. This was fixed in DRM a long time ago. Closing. |
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Yesterday the Xorg server crashed with Fatal Error: WaitForSomething(): select: errno=22 This happened while I was running a remote Gnome session in an Xnest window (using Xnest from DRI CVS if it matters). I added some more debug info in the error message, so when it happens next time I'll have some more info: FatalError("WaitForSomething(): select: errno=%d\n" "\tMaxClients=%d, wt=%p, wt.tv_sec=%ld, wt.tv_usec=%ld\n", selecterr, MaxClients, wt, wt ? wt->tv_sec : 0, wt ? wt->tv_usec : 0);