<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - nouveau graphics freeze when using KDE Plasma 5; PGR engine fault" href="https://bugs.freedesktop.org/show_bug.cgi?id=92077#c31">Comment # 31</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - nouveau graphics freeze when using KDE Plasma 5; PGR engine fault" href="https://bugs.freedesktop.org/show_bug.cgi?id=92077">bug 92077</a> from <a class="email" href="mailto:ahippo@yandex.ru" title="Andrey Mazo <ahippo@yandex.ru>"> Andrey Mazo</a> <pre>I've started to get a slightly different crash with update to kernel 4.9.5 and/or newer Plasma. It usually happens while unlocking the screen (enter password, hit enter, and boom -- left monitor is black, right monitor is frozen with a mouse cursor (well, a glitch instead of a normal cursor) moving). x11-base/xorg-server-1.18.4 x11-drivers/xf86-video-nouveau-1.0.12 media-libs/mesa-12.0.1 x11-libs/libdrm-2.4.70 kde-plasma/plasma-workspace-5.8.3-r4 kde-frameworks/plasma-5.29.0 [94521.089913] DMAR: DRHD: handling fault status reg 2 [94521.089940] DMAR: [DMA Read] Request device [03:00.0] fault addr edb60000 [fault reason 06] PTE Read access is not set [94521.089947] DMAR: [DMA Read] Request device [03:00.0] fault addr edb60000 [fault reason 06] PTE Read access is not set <snip> [94521.090876] DMAR: [DMA Read] Request device [03:00.0] fault addr edba3000 [fault reason 06] PTE Read access is not set [94521.090876] DMAR: [DMA Read] Request device [03:00.0] fault addr edba3000 [fault reason 06] PTE Read access is not set [94521.096700] DMAR: DRHD: handling fault status reg 500 [94521.096729] nouveau 0000:03:00.0: fifo: write fault at 00029a7000 engine 15 [PCE0] client 01 [PCOPY0] reason 02 [PAGE_NOT_PRESENT] on channel 0 [001fe72000 DRM] [94521.096732] nouveau 0000:03:00.0: fifo: ce0 engine fault on channel 0, recovering... Xorg.log has usual (in such cases) EQ overflow errors: (EE) [mi] EQ overflowing. Additional events will be discarded until existing events are processed. (EE) (EE) Backtrace: (EE) 0: /usr/bin/X (xorg_backtrace+0x56) [0x589af6] (EE) 1: /usr/bin/X (mieqEnqueue+0x24b) [0x56bb6b] (EE) 2: /usr/bin/X (QueuePointerEvents+0x52) [0x44dd22] (EE) 3: /usr/lib64/xorg/modules/input/evdev_drv.so (0x7fb450ad0000+0x623f) [0x7fb450ad623f] (EE) 4: /usr/lib64/xorg/modules/input/evdev_drv.so (0x7fb450ad0000+0x6acd) [0x7fb450ad6acd] (EE) 5: /usr/bin/X (0x400000+0x750c8) [0x4750c8] (EE) 6: /usr/bin/X (0x400000+0x9a056) [0x49a056] (EE) 7: /lib64/libc.so.6 (0x7fb45b990000+0x331f0) [0x7fb45b9c31f0] (EE) 8: /lib64/libc.so.6 (ioctl+0x5) [0x7fb45ba6fc75] (EE) 9: /usr/lib64/libdrm.so.2 (drmIoctl+0x28) [0x7fb45cb1dc68] (EE) 10: /usr/lib64/libdrm.so.2 (drmCommandWrite+0x1b) [0x7fb45cb2098b] (EE) 11: /usr/lib64/libdrm_nouveau.so.2 (nouveau_bo_wait+0xbc) [0x7fb4578fd44c] (EE) 12: /usr/lib64/xorg/modules/drivers/nouveau_drv.so (0x7fb457b02000+0xc5a7) [0x7fb457b0e5a7] (EE) 13: /usr/lib64/xorg/modules/drivers/nouveau_drv.so (0x7fb457b02000+0xcfed) [0x7fb457b0efed] (EE) 14: /usr/bin/X (DRI2SwapBuffers+0x1c8) [0x55cd68] (EE) 15: /usr/bin/X (0x400000+0x15e5ec) [0x55e5ec] (EE) 16: /usr/bin/X (0x400000+0x355bf) [0x4355bf] (EE) 17: /usr/bin/X (0x400000+0x39643) [0x439643] (EE) 18: /lib64/libc.so.6 (__libc_start_main+0xf0) [0x7fb45b9b0790] (EE) 19: /usr/bin/X (_start+0x29) [0x423939] (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.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>