Ok, this is a Fujitsu Siemens Esprimo U9200, with Intel graphics, F10 64bit,
updated last week. KDE desktop, compiz and all, but I believe it is not
related.
The symptom: system boots up regularly, I do regular work, and after a random
amount of time, X freezes. If compiz is on, all I can do is move the mouse
pointer. If compiz is off, even the mouse pointer is frozen. The OS itself is
not, I can ssh from a remote machine and read logs. This is not reproducible,
it happens too randomly and I can only sit and wait for it to happen.
However, it is extremely annoying, since it has a tendency to freeze when I'm
in the middle of some work in progress.
If I log in remotely and kill -9 the X process, the whole machine locks up and
I can only power-cycle it. Don't know a way to restart X short of rebooting,
keyboard doesn't respond to ctrl-alt-backspace or anything else.
So far, dmesg and /var/log/messages do not show anything related or even
suspicious (afaics), while /var/log/Xorg.0.log shows this at the end:
=================
[snip most of the regular log of a working X server]
(II) intel(0): EDID for output TMDS-1
(II) intel(0): EDID for output TV
[mi] EQ overflowing. The server is probably stuck in an infinite loop.
Backtrace:
0: /usr/bin/X(xorg_backtrace+0x26) [0x4e7a26]
1: /usr/bin/X(mieqEnqueue+0x291) [0x4c8591]
2: /usr/bin/X(xf86PostMotionEventP+0xc4) [0x491494]
3: /usr/bin/X(xf86PostMotionEvent+0xa9) [0x491669]
4: /usr/lib64/xorg/modules/input//evdev_drv.so [0x7feeeaf3e126]
5: /usr/bin/X [0x47a765]
6: /usr/bin/X [0x46b307]
7: /lib64/libc.so.6 [0x3522232f90]
8: /lib64/libc.so.6(ioctl+0x7) [0x35222de037]
9: /usr/lib64/libdrm.so.2 [0x7feefd045023]
10: /usr/lib64/libdrm.so.2(drmCommandNone+0x16) [0x7feefd045326]
11: /usr/lib64/xorg/modules/drivers//intel_drv.so [0x7feefcdd0fc8]
12: /usr/bin/X [0x51cdb9]
13: /usr/bin/X [0x4f7311]
14: /usr/bin/X(BlockHandler+0x50) [0x44a320]
15: /usr/bin/X(WaitForSomething+0x161) [0x4e4eb1]
16: /usr/bin/X(Dispatch+0x7f) [0x4465ef]
17: /usr/bin/X(main+0x45d) [0x42cd1d]
18: /lib64/libc.so.6(__libc_start_main+0xe6) [0x352221e576]
19: /usr/bin/X [0x42c0f9]
[mi] mieqEnequeue: out-of-order valuator event; dropping.
[mi] EQ overflowing. The server is probably stuck in an infinite loop.
[the last two lines repeat a lot of times]
=================
So if the server is really in an infinite loop, then something so very Not
Good is happening. Now, given that these are Intel open-source drivers
driving my graphics card here, I have the following questions:
1) What does the [mi] stand for here? Can anyone decypher the backtrace for
me? (I don't mind reading a "too technical" answer)
2) How can I further diagnose the problem and help fixing it?
3) In order to be efficient in diagnosing, does anyone know how to trigger the
lockup on purpose?
4) This has been happening since I installed F10 on this machine --- has
anyone spotted the problem already? Is there a known bugzilla report that I
can add to?
5) Is there a workaround until a fix comes?
6) Can I somehow restart the X server from a remote console (without rebooting
the whole machine) to recover clean from this?
7) F10 is out for a while now, how come a bug such as this (X in infinite
loop) has not been fixed already? I mean, many people here bragg about the
open source drivers being better then closed source when it comes to fixing
broken things, so why is an issue such as this still present?
// ok, this is a rant, I know, but I really am frustrated by this //
Oh yes, lspci -v says this:
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960
Integrated Graphics Controller (rev 03) (prog-if 00 [VGA controller])
Subsystem: Fujitsu Siemens Computers Device 110f
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at fc000000 (64-bit, non-prefetchable) [size=1M]
Memory at d0000000 (64-bit, prefetchable) [size=256M]
I/O ports at 18f8 [size=8]
Capabilities: [90] Message Signalled Interrupts: Mask- 64bit-
Count=1/1 Enable-
Capabilities: [d0] Power Management version 3
Kernel modules: intelfb
00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated
Graphics Controller (rev 03)
Subsystem: Fujitsu Siemens Computers Device 110f
Flags: bus master, fast devsel, latency 0
Memory at fc100000 (64-bit, non-prefetchable) [disabled] [size=1M]
Capabilities: [d0] Power Management version 3
There is no /etc/X11/xorg.conf file, default stuff...
Help please?
Best, :-)
Marko
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