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Description of problem: Xorg hangs randomly. Most times it can be reproduced when starting libreoffice, but is not limited to. Bug was introduced with the latest kernel update. Version-Release number of selected component (if applicable): kernel-4.3.3-300.fc23.x86_64 How reproducible: Just use plasma workspace on machine with nouveau driver and you will get hang in several days. Steps to Reproduce: 1. Boot. 2. Use. 3. Hangs. Actual results: Xorg hangs on nouveau driver. Expected results: Xorg does not hang. Additional info: User's Xorg.0.log contains: (EE) [mi] EQ overflowing. Additional events will be discarded until existing events are processed. (EE) (EE) Backtrace: (EE) 0: /usr/libexec/Xorg (mieqEnqueue+0x253) [0x578753] (EE) 1: /usr/libexec/Xorg (QueuePointerEvents+0x52) [0x44f352] (EE) 2: /usr/lib64/xorg/modules/input/evdev_drv.so (_init+0x30eb) [0x7f1f83f13dfb] (EE) 3: /usr/lib64/xorg/modules/input/evdev_drv.so (_init+0x3855) [0x7f1f83f15035] (EE) 4: /usr/libexec/Xorg (DPMSSupported+0xe8) [0x4769c8] (EE) 5: /usr/libexec/Xorg (xf86SerialModemClearBits+0x2b2) [0x49fe62] (EE) 6: /lib64/libc.so.6 (__restore_rt+0x0) [0x7f1f8df6fb1f] (EE) 7: /lib64/libc.so.6 (ioctl+0x5) [0x7f1f8e033705] (EE) 8: /lib64/libdrm.so.2 (drmIoctl+0x28) [0x7f1f8f32f508] (EE) 9: /lib64/libdrm.so.2 (drmCommandWrite+0x1b) [0x7f1f8f33208b] (EE) 10: /lib64/libdrm_nouveau.so.2 (nouveau_bo_wait+0xbc) [0x7f1f88a2637c] (EE) 11: /usr/lib64/xorg/modules/drivers/nouveau_drv.so (_init+0x75f9) [0x7f1f88c3ed19] (EE) 12: /usr/lib64/xorg/modules/drivers/nouveau_drv.so (_init+0x801d) [0x7f1f88c400ed] (EE) 13: /usr/libexec/Xorg (DRI2SwapBuffers+0x1c8) [0x569268] (EE) 14: /usr/libexec/Xorg (DRI2GetParam+0xb7c) [0x56ae0c] (EE) 15: /usr/libexec/Xorg (SendErrorToClient+0x2df) [0x4369bf] (EE) 16: /usr/libexec/Xorg (remove_fs_handlers+0x453) [0x43a9e3] (EE) 17: /lib64/libc.so.6 (__libc_start_main+0xf0) [0x7f1f8df5b580] (EE) 18: /usr/libexec/Xorg (_start+0x29) [0x424ce9] (EE) 19: ? (?+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) System journal contains: kernel: nouveau 0000:01:00.0: fifo: CACHE_ERROR - ch 16 [soffice.bin[30009]] subc 5 mthd 0184 data beef0201 ... and many similar lines with changing numbers after subc, mthd and data. Folowed by: /usr/libexec/gdm-x-session[11881]: QXcbConnection: XCB error: 3 (BadWindow), sequence: 55765, resource id: 100663298, major code: 18 (ChangeProperty), minor code: 0 and kernel: nouveau 0000:01:00.0: gr: TRAP_CCACHE 00000001 [FAULT] kernel: nouveau 0000:01:00.0: gr: TRAP_CCACHE 000e0080 00000000 00000000 00000000 00000000 00000004 00000000 kernel: nouveau 0000:01:00.0: gr: 00200000 [] ch 16 [001eb0f000 soffice.bin[30009]] subc 3 class 8597 mthd 13bc data 00000054 kernel: nouveau 0000:01:00.0: fb: trapped read at 002027ff00 on channel 16 [1eb0f000 soffice.bin[30009]] engine 00 [PGRAPH] client 05 [CCACHE] subclient 00 [CB] reason 00....... kernel: nouveau 0000:01:00.0: gr: PGRAPH TLB flush idle timeout fail kernel: nouveau 0000:01:00.0: gr: PGRAPH_STATUS 00000503 [BUSY DISPATCH CTXPROG CCACHE_PREGEOM] kernel: nouveau 0000:01:00.0: gr: PGRAPH_VSTATUS0: 00000008 [CCACHE] kernel: nouveau 0000:01:00.0: gr: PGRAPH_VSTATUS1: 00000000 [] kernel: nouveau 0000:01:00.0: gr: PGRAPH_VSTATUS2: 00000000 [] and same output as in Xorg.0.log
Just forgot to specify Priority/Severity. Could someone rise up to High? Thanks.
This bug could probably be marked as duplicate of 1350262.
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Fedora 23 changed to end-of-life (EOL) status on 2016-12-20. Fedora 23 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.