Bug 112408 - assertion failure kgem->nbatch <= KGEM_BATCH_SIZE(kgem)
Summary: assertion failure kgem->nbatch <= KGEM_BATCH_SIZE(kgem)
Status: RESOLVED MOVED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: x86-64 (AMD64) Linux (All)
: not set not set
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard: Triaged
Keywords:
Depends on:
Blocks:
 
Reported: 2019-11-27 10:37 UTC by 25flh09891bov
Modified: 2019-11-29 19:53 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:

Attachments
dmesg after crash (464.42 KB, text/plain)
2019-11-27 13:12 UTC, 25flh09891bov 		no flags Details
View All

Description 25flh09891bov 2019-11-27 10:37:53 UTC 
Xorg crashes with assertion failure in

xf86-video-intel
src/sna/kgem.c line 4128

assert/kgem->nbatch <= KGEM_BATCH_SIZE(kgem))


I'm not sure how to reproduce it as it just happens somewhat randomly when I use my computer.

Running Xorg 1.20.6
intel_drv version 2.99.917
Hardware is Intel i915
Comment 1 Lakshmi 2019-11-27 12:40:12 UTC 
Can you attach the dmesg from boot with kernel parameters drm.debug=0x1e log_buf_len=4M. This is needed for investigation.
What is the impact of this issue?
Comment 2 25flh09891bov 2019-11-27 13:12:30 UTC 
Created attachment 146034 [details]
dmesg after crash

log from after first crash
Comment 3 25flh09891bov 2019-11-27 13:26:18 UTC 
I also upgraded to kernel 5.3.13 and got the same xorg segfault.

It doesn't impact anything else than my computer at the moment.
Comment 4 Lakshmi 2019-11-28 12:20:16 UTC 
(In reply to 25flh09891bov from comment #3)
> I also upgraded to kernel 5.3.13 and got the same xorg segfault.
> 
> It doesn't impact anything else than my computer at the moment.

Can you try to reproduce this issue using drm-tip (https://cgit.freedesktop.org/drm-tip)
Comment 5 Martin Peres 2019-11-29 19:53:04 UTC 
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.

You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/drm/intel/issues/654.

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