System lockup with 2.6.38-rc4+

[Chris Clayton <chris2553@googlemail.com>]

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Hi,

I'm not subscribed, so please cc me on any reply.

I've just had a complete system lock up with a kernel that I pulled, built and 
installed yesterday morning. IT was locked hard and I had to power off and on 
to get it back.

The kernel log file has this snippet at the end:

Feb 14 16:29:21 upstairs kernel: pci 0000:00:02.0: PCI INT A -> GSI 16 (level, 
low) -> IRQ 16
Feb 14 16:29:21 upstairs kernel: pci 0000:00:02.0: setting latency timer to 64
Feb 14 16:29:21 upstairs kernel: [drm] Supports vblank timestamp caching Rev 1 
(10.10.2010).
Feb 14 16:29:21 upstairs kernel: [drm] No driver support for vblank timestamp 
query.
Feb 14 16:29:22 upstairs kernel: [drm] Initialized i915 1.6.0 20080730 for 
0000:00:02.0 on minor 0
Feb 14 16:44:27 upstairs kernel: render error detected, EIR: 0x00000010
Feb 14 16:44:27 upstairs kernel:   IPEIR: 0x00000000
Feb 14 16:44:27 upstairs kernel:   IPEHR: 0x01000000
Feb 14 16:44:27 upstairs kernel:   INSTDONE: 0xfffffffe
Feb 14 16:44:27 upstairs kernel:   INSTPS: 0x0001e000
Feb 14 16:44:27 upstairs kernel:   INSTDONE1: 0xffffffff
Feb 14 16:44:27 upstairs kernel:   ACTHD: 0x05204d80
Feb 14 16:44:27 upstairs kernel: page table error
Feb 14 16:44:27 upstairs kernel:   PGTBL_ER: 0x00000002
Feb 14 16:44:27 upstairs kernel: [drm:i915_report_and_clear_eir] *ERROR* EIR 
stuck: 0x00000010, masking
Feb 14 16:45:09 upstairs kernel: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck 
timer elapsed... GPU hung
Feb 14 16:45:09 upstairs kernel: render error detected, EIR: 0x00000010
Feb 14 16:45:09 upstairs kernel:   IPEIR: 0x00000000
Feb 14 16:45:09 upstairs kernel:   IPEHR: 0x54f00006
Feb 14 16:45:09 upstairs kernel:   INSTDONE: 0xffffffff
Feb 14 16:45:09 upstairs kernel:   INSTPS: 0x8001e02a
Feb 14 16:45:09 upstairs kernel:   INSTDONE1: 0xbfbbffff
Feb 14 16:45:09 upstairs kernel:   ACTHD: 0x0721207c
Feb 14 16:45:09 upstairs kernel: page table error
Feb 14 16:45:09 upstairs kernel:   PGTBL_ER: 0x01000003
Feb 14 16:45:10 upstairs kernel: [drm:i915_reset] *ERROR* Failed to reset chip.

and Xorg log file has:

[mi] EQ overflowing. The server is probably stuck in an infinite loop.

Backtrace:
0: /usr/X11/bin/X(xorg_backtrace+0x3b) [0x81352db]
1: /usr/X11/bin/X(mieqEnqueue+0x26c) [0x81144ec]
2: /usr/X11/bin/X(xf86PostMotionEventP+0xc2) [0x80c5a92]
3: /usr/X11/bin/X(xf86PostMotionEvent+0x87) [0x80c5c17]
4: /usr/X11/lib/xorg/modules/input//mouse_drv.so(+0x6e39) [0xb71e4e39]
5: /usr/X11/lib/xorg/modules/input//mouse_drv.so(+0x7a68) [0xb71e5a68]
6: /usr/X11/lib/xorg/modules/input//mouse_drv.so(+0x3f17) [0xb71e1f17]
7: /usr/X11/bin/X() [0x80ba1d7]
8: /usr/X11/bin/X() [0x80af49b]
9: [0xb77d4400]
10: /usr/X11R6/lib/libdrm.so.2(drmCommandWrite+0x3b) [0xb77b168b]
11: /usr/X11/lib/xorg/modules/drivers//intel_drv.so(I830Sync+0xc5) [0xb720b025]
12: /usr/X11/lib/xorg/modules/drivers//intel_drv.so(+0x49efa) [0xb723eefa]
13: /usr/X11/lib/xorg/modules//libexa.so(exaWaitSync+0x63) [0xb6f200a3]
14: /usr/X11/lib/xorg/modules//libexa.so(ExaDoPrepareAccess+0x7b) [0xb6f20ddb]
15: /usr/X11/lib/xorg/modules//libexa.so(ExaCheckPutImage+0xf8) [0xb6f28f08]
16: /usr/X11/lib/xorg/modules//libexa.so(+0x548c) [0xb6f2248c]
17: /usr/X11/bin/X() [0x817da72]
18: /usr/X11/bin/X(ProcPutImage+0x164) [0x8083864]
19: /usr/X11/bin/X(Dispatch+0x2bc) [0x808706c]
20: /usr/X11/bin/X(main+0x46a) [0x806be6a]
21: /lib/libc.so.6(__libc_start_main+0xe6) [0xb7331b86]
22: /usr/X11/bin/X() [0x806b2c1]

followed by many instances of thse two lines:

[mi] mieqEnequeue: out-of-order valuator event; dropping.
[mi] EQ overflowing. The server is probably stuck in an infinite loop.

Xorg server is version 1.5.3 and xorg intel driver is version 2.7.1

bzipped copies of the kernel and Xorg logs are attached but, please let me know 
if any additional diagnostics are needed.

Thanks,

Chris
-- 
The more I see, the more I know. The more I know, the less I understand. 
Changing Man - Paul Weller

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