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Bug 543430 - sys-kernel/gentoo-sources-3.18.7 instability and Xorg hangs with nouveau on NV50 (G84/8600M GT)
Summary: sys-kernel/gentoo-sources-3.18.7 instability and Xorg hangs with nouveau on N...
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Core system (show other bugs)
Hardware: AMD64 Linux
: Normal normal (vote)
Assignee: Gentoo Kernel Bug Wranglers and Kernel Maintainers
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-03-15 16:25 UTC by Fedja Beader
Modified: 2016-03-27 00:09 UTC (History)
3 users (show)

See Also:
Package list:
Runtime testing required: ---

Attachments
fix (gistfile1.txt,4.62 KB, patch)
2015-03-15 16:26 UTC, Fedja Beader 		Details | Diff
/etc/portage/patches/sys-kernel/gentoo-sources-3.18.7/nouveau_still_angry.patch (nouveau_still_angry.patch,3.37 KB, patch)
2015-03-15 17:17 UTC, Fedja Beader 		Details | Diff
Show Obsolete (1) View All Add an attachment (proposed patch, testcase, etc.)

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Description Fedja Beader 2015-03-15 16:25:51 UTC 
random Xorg hangs, after which it doesen't like being killed:
root     13794  3.1  0.0      0     0 ?        Ds   18:41   3:44 [X]

In dmesg:

[20636.941321] nouveau E[   PFIFO][0000:01:00.0] still angry after 101 spins, halt


In Xorg.0.log (spam spam and even more spam of):

(EE) [mi] EQ overflowing. Additional events will be discarded until existing events are processed.
(EE)
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x48) [0x582d28]
(EE) 1: /usr/bin/X (mieqEnqueue+0x22b) [0x564ecb]
(EE) 2: /usr/bin/X (QueuePointerEvents+0x52) [0x44ca12]
(EE) 3: /usr/lib64/xorg/modules/input/evdev_drv.so (0x7f9fc5502000+0x5e27) [0x7f9fc5507e27]
(EE) 4: /usr/lib64/xorg/modules/input/evdev_drv.so (0x7f9fc5502000+0x6515) [0x7f9fc5508515]
(EE) 5: /usr/bin/X (0x400000+0x72588) [0x472588]
(EE) 6: /usr/bin/X (0x400000+0x9b180) [0x49b180]
(EE) 7: /lib64/libc.so.6 (0x7f9fca231000+0x388c0) [0x7f9fca2698c0]
(EE) 8: /lib64/libc.so.6 (ioctl+0x7) [0x7f9fca317257]
(EE) 9: /usr/lib64/libdrm.so.2 (drmIoctl+0x34) [0x7f9fcb3c6984]
(EE) 10: /usr/lib64/libdrm.so.2 (drmCommandWrite+0x1e) [0x7f9fcb3c8b6e]
(EE) 11: /usr/lib64/libdrm_nouveau.so.2 (nouveau_bo_wait+0x89) [0x7f9fc69db6c9]
(EE) 12: /usr/lib64/libdrm_nouveau.so.2 (nouveau_pushbuf_space+0xc6) [0x7f9fc69dc906]
(EE) 13: /usr/lib64/xorg/modules/drivers/nouveau_drv.so (0x7f9fc6be0000+0x1deb9) [0x7f9fc6bfdeb9]
(EE) 14: /usr/lib64/xorg/modules/libexa.so (0x7f9fc639a000+0xdef4) [0x7f9fc63a7ef4]
(EE) 15: /usr/lib64/xorg/modules/libexa.so (0x7f9fc639a000+0xe9f2) [0x7f9fc63a89f2]
(EE) 16: /usr/bin/X (0x400000+0x10e2b4) [0x50e2b4]
(EE) 17: /usr/lib64/xorg/modules/libexa.so (0x7f9fc639a000+0xc0e7) [0x7f9fc63a60e7]
(EE) 18: /usr/bin/X (0x400000+0x10e506) [0x50e506]
(EE) 19: /usr/bin/X (0x400000+0x10481e) [0x50481e]
(EE) 20: /usr/bin/X (0x400000+0x35eee) [0x435eee]
(EE) 21: /usr/bin/X (0x400000+0x39c8a) [0x439c8a]
(EE) 22: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x7f9fca255e65]
(EE) 23: /usr/bin/X (0x400000+0x25541) [0x425541]
(EE)
(EE) [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack.
(EE) [mi] mieq is *NOT* the cause. It is a victim.


Linked in #nouveau to:
http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=c869d99187a356b886bdecc757caa0038d142844
which doesen't apply nicely to 3.18.7.

modified patch that does attached, no issues afterwards

Reproducible: Always
Comment 1 Fedja Beader 2015-03-15 16:26:47 UTC 
Created attachment 398996 [details, diff]
fix
Comment 2 Fedja Beader 2015-03-15 17:17:14 UTC 
Created attachment 399000 [details, diff]
/etc/portage/patches/sys-kernel/gentoo-sources-3.18.7/nouveau_still_angry.patch

note to self: don't copy-paste patches.
Comment 3 nebojsa 2015-03-25 16:43:32 UTC 
I had the same problem, at this patch fixes it.
Comment 4 Fedja Beader 2016-03-27 00:09:23 UTC 
Fixed upstream.