[Nouveau] [Bug 76818] New: Xorg EQ overflowing lock up

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Mar 30 22:57:25 PDT 2014 

https://bugs.freedesktop.org/show_bug.cgi?id=76818

          Priority: medium
            Bug ID: 76818
          Assignee: nouveau at lists.freedesktop.org
           Summary: Xorg EQ overflowing lock up
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: max.snow at 4mation.com.au
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

I have been using 2 monitors (1080p), and I've just replaced one with a 1600p
monitor, and straight away I am getting frequent lock ups (several times a
day), with this in the error log:


 (EE) [mi] EQ overflowing.  Additional events will be discarded until existing
events are processed.
(EE) 
(EE) Backtrace:
(EE) 0: /usr/bin/X (mieqEnqueue+0x22b) [0x58356b]
(EE) 1: /usr/bin/X (QueuePointerEvents+0x52) [0x451472]
(EE) 2: /usr/lib64/xorg/modules/input/evdev_drv.so (_init+0x2d1d)
[0x7f7dc81d9c8d]
(EE) 3: /usr/bin/X (DPMSSupported+0xe8) [0x48b3b8]
(EE) 4: /usr/bin/X (xf86SerialModemClearBits+0x260) [0x4b4900]
(EE) 5: /lib64/libpthread.so.0 (__restore_rt+0x0) [0x36cce0f74f]
(EE) 6: /lib64/libc.so.6 (ioctl+0x7) [0x36cc6ec067]
(EE) 7: /lib64/libdrm.so.2 (drmIoctl+0x34) [0x36e32036e4]
(EE) 8: /lib64/libdrm.so.2 (drmCommandWrite+0x1e) [0x36e3205fce]
(EE) 9: /lib64/libdrm_nouveau.so.2 (nouveau_bo_wait+0x99) [0x7f7dc87dd6e9]
(EE) 10: /lib64/libdrm_nouveau.so.2 (nouveau_pushbuf_space+0xd1)
[0x7f7dc87de9e1]
(EE) 11: /usr/lib64/xorg/modules/drivers/nouveau_drv.so (_init+0x1e3b1)
[0x7f7dc8a238c1]
(EE) 12: /usr/lib64/xorg/modules/drivers/nouveau_drv.so (_init+0x1aa4)
[0x7f7dc89ea3e4]
(EE) 13: /usr/lib64/xorg/modules/libexa.so (exaMoveOutPixmap+0x762f)
[0x7f7dc7b93c6f]
(EE) 14: /usr/lib64/xorg/modules/libexa.so (exaMoveOutPixmap+0x7da1)
[0x7f7dc7b950b1]
(EE) 15: /usr/bin/X (DamageRegionAppend+0x87f) [0x52c14f]
(EE) 16: /usr/bin/X (AddTraps+0x453a) [0x5293ca]
(EE) 17: /usr/bin/X (SendErrorToClient+0x427) [0x43a3a7]
(EE) 18: /usr/bin/X (_init+0x3b0a) [0x42c00a]
(EE) 19: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x36cc621d65]
(EE) 20: /usr/bin/X (_start+0x29) [0x428c35]
(EE) 21: ? (?+0x29) [0x29]
(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.
(EE) [mi] EQ overflow continuing.  100 events have been dropped.
(EE) 
(EE) Backtrace:
(EE) 0: /usr/bin/X (QueuePointerEvents+0x52) [0x451472]
(EE) 1: /usr/lib64/xorg/modules/input/evdev_drv.so (_init+0x2d1d)
[0x7f7dc81d9c8d]
(EE) 2: /usr/bin/X (DPMSSupported+0xe8) [0x48b3b8]
(EE) 3: /usr/bin/X (xf86SerialModemClearBits+0x260) [0x4b4900]
(EE) 4: /lib64/libpthread.so.0 (__restore_rt+0x0) [0x36cce0f74f]
(EE) 5: /lib64/libc.so.6 (ioctl+0x7) [0x36cc6ec067]
(EE) 6: /lib64/libdrm.so.2 (drmIoctl+0x34) [0x36e32036e4]
(EE) 7: /lib64/libdrm.so.2 (drmCommandWrite+0x1e) [0x36e3205fce]
(EE) 8: /lib64/libdrm_nouveau.so.2 (nouveau_bo_wait+0x99) [0x7f7dc87dd6e9]
(EE) 9: /lib64/libdrm_nouveau.so.2 (nouveau_pushbuf_space+0xd1)
[0x7f7dc87de9e1]
(EE) 10: /usr/lib64/xorg/modules/drivers/nouveau_drv.so (_init+0x1e3b1)
[0x7f7dc8a238c1]
(EE) 11: /usr/lib64/xorg/modules/drivers/nouveau_drv.so (_init+0x1aa4)
[0x7f7dc89ea3e4]
(EE) 12: /usr/lib64/xorg/modules/libexa.so (exaMoveOutPixmap+0x762f)
[0x7f7dc7b93c6f]
(EE) 13: /usr/lib64/xorg/modules/libexa.so (exaMoveOutPixmap+0x7da1)
[0x7f7dc7b950b1]
(EE) 14: /usr/bin/X (DamageRegionAppend+0x87f) [0x52c14f]
(EE) 15: /usr/bin/X (AddTraps+0x453a) [0x5293ca]
(EE) 16: /usr/bin/X (SendErrorToClient+0x427) [0x43a3a7]
(EE) 17: /usr/bin/X (_init+0x3b0a) [0x42c00a]
(EE) 18: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x36cc621d65]
(EE) 19: /usr/bin/X (_start+0x29) [0x428c35]
(EE) 20: ? (?+0x29) [0x29]
(EE) 
(EE) [mi] EQ overflow continuing.  200 events have been dropped.
(EE) 
(EE) Backtrace:
(EE) 0: /usr/bin/X (QueuePointerEvents+0x52) [0x451472]
(EE) 1: /usr/lib64/xorg/modules/input/evdev_drv.so (_init+0x2d1d)
[0x7f7dc81d9c8d]
(EE) 2: /usr/bin/X (DPMSSupported+0xe8) [0x48b3b8]
(EE) 3: /usr/bin/X (xf86SerialModemClearBits+0x260) [0x4b4900]
(EE) 4: /lib64/libpthread.so.0 (__restore_rt+0x0) [0x36cce0f74f]
(EE) 5: /lib64/libc.so.6 (ioctl+0x7) [0x36cc6ec067]
(EE) 6: /lib64/libdrm.so.2 (drmIoctl+0x34) [0x36e32036e4]
(EE) 7: /lib64/libdrm.so.2 (drmCommandWrite+0x1e) [0x36e3205fce]
(EE) 8: /lib64/libdrm_nouveau.so.2 (nouveau_bo_wait+0x99) [0x7f7dc87dd6e9]
(EE) 9: /lib64/libdrm_nouveau.so.2 (nouveau_pushbuf_space+0xd1)
[0x7f7dc87de9e1]
(EE) 10: /usr/lib64/xorg/modules/drivers/nouveau_drv.so (_init+0x1e3b1)
[0x7f7dc8a238c1]
(EE) 11: /usr/lib64/xorg/modules/drivers/nouveau_drv.so (_init+0x1aa4)
[0x7f7dc89ea3e4]
(EE) 12: /usr/lib64/xorg/modules/libexa.so (exaMoveOutPixmap+0x762f)
[0x7f7dc7b93c6f]
(EE) 13: /usr/lib64/xorg/modules/libexa.so (exaMoveOutPixmap+0x7da1)
[0x7f7dc7b950b1]
(EE) 14: /usr/bin/X (DamageRegionAppend+0x87f) [0x52c14f]
(EE) 15: /usr/bin/X (AddTraps+0x453a) [0x5293ca]
(EE) 16: /usr/bin/X (SendErrorToClient+0x427) [0x43a3a7]
(EE) 17: /usr/bin/X (_init+0x3b0a) [0x42c00a]
(EE) 18: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x36cc621d65]
(EE) 19: /usr/bin/X (_start+0x29) [0x428c35]
(EE) 20: ? (?+0x29) [0x29]
(EE) 
nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling
nouveau_exa_upload_to_screen:384 - falling back to memcpy ignores tiling
nouveau_exa_download_from_screen:299 - falling back to memcpy ignores tiling
(EE) 
(EE) Backtrace:
(EE) 0: /usr/bin/X (OsLookupColor+0x129) [0x473759]
(EE) 1: /lib64/libpthread.so.0 (__restore_rt+0x0) [0x36cce0f74f]
(EE) 2: /lib64/libc.so.6 (__memcpy_sse2_unaligned+0x20) [0x36cc693f40]
(EE) 3: /usr/lib64/xorg/modules/libexa.so (exaMoveOutPixmap+0xed6)
[0x7f7dc7b877a6]
(EE) 4: /usr/lib64/xorg/modules/libexa.so (exaMoveOutPixmap+0x13a3)
[0x7f7dc7b87e53]
(EE) 5: /usr/lib64/xorg/modules/libexa.so (exaMoveOutPixmap+0x3aca)
[0x7f7dc7b8cd4a]
(EE) 6: /usr/lib64/xorg/modules/libexa.so (exaEnableDisableFBAccess+0x4a8f)
[0x7f7dc7b9786f]
(EE) 7: /usr/lib64/xorg/modules/libexa.so (exaEnableDisableFBAccess+0x1684)
[0x7f7dc7b913f4]
(EE) 8: /usr/bin/X (DamageRegionAppend+0x5d4) [0x52bc04]
(EE) 9: /usr/lib64/xorg/modules/libexa.so (exaMoveOutPixmap+0x73fb)
[0x7f7dc7b93a3b]
(EE) 10: /usr/lib64/xorg/modules/libexa.so (exaMoveOutPixmap+0x7da1)
[0x7f7dc7b950b1]
(EE) 11: /usr/bin/X (DamageRegionAppend+0x87f) [0x52c14f]
(EE) 12: /usr/bin/X (AddTraps+0x453a) [0x5293ca]
(EE) 13: /usr/bin/X (SendErrorToClient+0x427) [0x43a3a7]
(EE) 14: /usr/bin/X (_init+0x3b0a) [0x42c00a]
(EE) 15: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x36cc621d65]
(EE) 16: /usr/bin/X (_start+0x29) [0x428c35]
(EE) 17: ? (?+0x29) [0x29]
(EE) 
(EE) Segmentation fault at address 0x0
(EE) 
Fatal server error:
(EE) Caught signal 11 (Segmentation fault). Server aborting


Generally when a lot of stuff is happening on the screen (ie. videos, etc).

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