[Bug 91893] GPU lockup: EQ overflowing

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Sep 6 03:33:33 PDT 2015 

https://bugs.freedesktop.org/show_bug.cgi?id=91893

            Bug ID: 91893
           Summary: GPU lockup:  EQ overflowing
           Product: Mesa
           Version: 11.0
          Hardware: PowerPC
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/DRI/R100
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: macro at hotmail.com
        QA Contact: dri-devel at lists.freedesktop.org

The following GPU lockup occurs consistently soon after starting Dillo (an
fltk-based lightweight web browser) compiled without Cairo support.

I am happy to provide any additional information or diagnose further as
directed.

"ATI Radeon 7500 QW (AGP/PCI)" (ChipID = 0x5157)

Linux cube 4.1.6-gentoo #2 Sat Aug 29 23:38:46 AEST 2015 ppc 7400, altivec
supported PowerMac5,1 GNU/Linux

mesa-11.0.0_rc1

dmesg
...
[ 2561.090198] radeon 0000:00:10.0: ring 0 stalled for more than 10000msec
[ 2561.090226] radeon 0000:00:10.0: GPU lockup (current fence id
0x0000000000000125 last fence id 0x0000000000000126 on ring 0)
[ 2561.095953] radeon 0000:00:10.0: Saved 27 dwords of commands on ring 0.
[ 2561.095969] radeon 0000:00:10.0: GPU reset succeeded, trying to resume
[ 2561.096012] [drm] PCI GART of 32M enabled (table at 0x000000002EE08000).
[ 2561.096026] radeon 0000:00:10.0: WB disabled
[ 2561.096044] radeon 0000:00:10.0: fence driver on ring 0 use gpu addr
0x0000000096000000 and cpu addr 0xeed95000
[ 2561.096140] [drm] radeon: ring at 0x0000000096001000
[ 2561.243896] [drm:r100_ring_test] *ERROR* radeon: ring test failed
(scratch(0x15E8)=0xCAFEDEAD)
[ 2561.243908] [drm:r100_cp_init] *ERROR* radeon: cp isn't working (-22).
[ 2561.243920] radeon 0000:00:10.0: failed initializing CP (-22).
...

Xorg.0.log
...
(EE) [mi] EQ overflowing.  Additional events will be discarded until existing
events are processed.
(EE)
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x58) [0x101ccefc]
(EE) 1: /usr/bin/X (mieqEnqueue+0x120) [0x101abe78]
(EE) 2: /usr/bin/X (0x10000000+0x48414) [0x10048414]
(EE) 3: /usr/bin/X (QueuePointerEvents+0x68) [0x1004b56c]
(EE) 4: /usr/bin/X (xf86PostMotionEventM+0x340) [0x1008ecd4]
(EE) 5: /usr/lib/xorg/modules/input/evdev_drv.so (0xe9a7000+0x50e4) [0xe9ac0e4]
(EE) 6: /usr/lib/xorg/modules/input/evdev_drv.so (0xe9a7000+0x5a24) [0xe9aca24]
(EE) 7: /usr/lib/xorg/modules/input/evdev_drv.so (0xe9a7000+0x5d80) [0xe9acd80]
(EE) 8: /usr/bin/X (0x10000000+0x7adec) [0x1007adec]
(EE) 9: /usr/bin/X (0x10000000+0xad47c) [0x100ad47c]
(EE) 10: linux-vdso32.so.1 (__kernel_sigtramp32+0x0) [0x100364]
(EE) 11: /lib/libc.so.6 (ioctl+0xe0) [0xfa3ce00]
(EE) 12: ?? [0x0]
(EE) 13: /usr/lib/libdrm.so.2 (drmIoctl+0x50) [0xfd436ac]
(EE) 14: /usr/lib/libdrm.so.2 (drmCommandWrite+0x38) [0xfd46e3c]
(EE) 15: /usr/lib/libdrm_radeon.so.1 (0xf01c000+0x1650) [0xf01d650]
(EE) 16: /usr/lib/libdrm_radeon.so.1 (0xf01c000+0x1788) [0xf01d788]
(EE) 17: /usr/lib/libdrm_radeon.so.1 (radeon_bo_map+0x20) [0xf01f22c]
(EE) 18: /usr/lib/xorg/modules/drivers/radeon_drv.so (0xf04d000+0x30ab0)
[0xf07dab0]
(EE) 19: /usr/lib/xorg/modules/libexa.so (0xefaa000+0x6168) [0xefb0168]
(EE) 20: /usr/lib/xorg/modules/libexa.so (0xefaa000+0x63a0) [0xefb03a0]
(EE) 21: /usr/lib/xorg/modules/libexa.so (0xefaa000+0x90c8) [0xefb30c8]
(EE) 22: /usr/lib/xorg/modules/libexa.so (0xefaa000+0x4bf4) [0xefaebf4]
(EE) 23: /usr/lib/xorg/modules/libexa.so (0xefaa000+0x12ea8) [0xefbcea8]
(EE) 24: /usr/lib/xorg/modules/libexa.so (0xefaa000+0x9e88) [0xefb3e88]
(EE) 25: /usr/bin/X (0x10000000+0x146dfc) [0x10146dfc]
(EE) 26: /usr/bin/X (0x10000000+0x2bacc) [0x1002bacc]
(EE) 27: /usr/bin/X (0x10000000+0x30254) [0x10030254]
(EE) 28: /usr/bin/X (0x10000000+0x349c0) [0x100349c0]
(EE) 29: /usr/bin/X (0x10000000+0x1c2b8) [0x1001c2b8]
(EE) 30: /lib/libc.so.6 (0xf956000+0x21938) [0xf977938]
(EE) 31: /lib/libc.so.6 (0xf956000+0x21ad8) [0xf977ad8]
(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 (xorg_backtrace+0x58) [0x101ccefc]
(EE) 1: /usr/bin/X (mieqEnqueue+0x190) [0x101abee8]
(EE) 2: /usr/bin/X (0x10000000+0x48414) [0x10048414]
(EE) 3: /usr/bin/X (QueuePointerEvents+0x68) [0x1004b56c]
(EE) 4: /usr/bin/X (xf86PostMotionEventM+0x340) [0x1008ecd4]
(EE) 5: /usr/lib/xorg/modules/input/evdev_drv.so (0xe9a7000+0x50e4) [0xe9ac0e4]
(EE) 6: /usr/lib/xorg/modules/input/evdev_drv.so (0xe9a7000+0x5a24) [0xe9aca24]
(EE) 7: /usr/lib/xorg/modules/input/evdev_drv.so (0xe9a7000+0x5d80) [0xe9acd80]
(EE) 8: /usr/bin/X (0x10000000+0x7adec) [0x1007adec]
(EE) 9: /usr/bin/X (0x10000000+0xad47c) [0x100ad47c]
(EE) 10: linux-vdso32.so.1 (__kernel_sigtramp32+0x0) [0x100364]
(EE) 11: /lib/libc.so.6 (ioctl+0xe0) [0xfa3ce00]
(EE) 12: ?? [0x0]
(EE) 13: /usr/lib/libdrm.so.2 (drmIoctl+0x50) [0xfd436ac]
(EE) 14: /usr/lib/libdrm.so.2 (drmCommandWrite+0x38) [0xfd46e3c]
(EE) 15: /usr/lib/libdrm_radeon.so.1 (0xf01c000+0x1650) [0xf01d650]
(EE) 16: /usr/lib/libdrm_radeon.so.1 (0xf01c000+0x1788) [0xf01d788]
(EE) 17: /usr/lib/libdrm_radeon.so.1 (radeon_bo_map+0x20) [0xf01f22c]
(EE) 18: /usr/lib/xorg/modules/drivers/radeon_drv.so (0xf04d000+0x30ab0)
[0xf07dab0]
(EE) 19: /usr/lib/xorg/modules/libexa.so (0xefaa000+0x6168) [0xefb0168]
(EE) 20: /usr/lib/xorg/modules/libexa.so (0xefaa000+0x63a0) [0xefb03a0]
(EE) 21: /usr/lib/xorg/modules/libexa.so (0xefaa000+0x90c8) [0xefb30c8]
(EE) 22: /usr/lib/xorg/modules/libexa.so (0xefaa000+0x4bf4) [0xefaebf4]
(EE) 23: /usr/lib/xorg/modules/libexa.so (0xefaa000+0x12ea8) [0xefbcea8]
(EE) 24: /usr/lib/xorg/modules/libexa.so (0xefaa000+0x9e88) [0xefb3e88]
(EE) 25: /usr/bin/X (0x10000000+0x146dfc) [0x10146dfc]
(EE) 26: /usr/bin/X (0x10000000+0x2bacc) [0x1002bacc]
(EE) 27: /usr/bin/X (0x10000000+0x30254) [0x10030254]
(EE) 28: /usr/bin/X (0x10000000+0x349c0) [0x100349c0]
(EE) 29: /usr/bin/X (0x10000000+0x1c2b8) [0x1001c2b8]
(EE) 30: /lib/libc.so.6 (0xf956000+0x21938) [0xf977938]
(EE) 31: /lib/libc.so.6 (0xf956000+0x21ad8) [0xf977ad8]

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