[oi-dev] Fwd: [Graphics/DRM - Bug #7716] drm hang with ring dumps in messages

ken mays maybird1776 at yahoo.com
Fri Feb 10 21:22:46 UTC 2017


Hello,
My desktop doesn't hang when doing this test. 

Two things are reporting to fix issue:1. Update xorg-video-intel 2.99.917 driver to recent git (fixes this for Linux users for same bug).2. Patch gfx-drm.
~K
 

    On Friday, February 10, 2017 12:14 PM, Aurélien Larcher <aurelien.larcher at gmail.com> wrote:
 

 

On Fri, Feb 10, 2017 at 9:06 PM, Marcel Telka <marcel at telka.sk> wrote:

I just did on my T520:

mdb -kwe 'i915_try_reset/W 1'

I'll report back in few days if it won't hang (or sooner, if it will).


You can trigger it by running glx_gears in non-synced mode: vblank_mode=0 glxgears

See if the GPU hangs 2-3 seconds then continues.
 


Thanks.


On Fri, Feb 10, 2017 at 02:39:07PM -0500, Gordon Ross wrote:
> I've heard this happens on the Lenovo W520 (and maybe others)
> Can anyone try this for me?  Thanks.
>
>
> ---------- Forwarded message ----------
> From: illumos project <devnull at illumos.org>
> Date: Fri, Feb 10, 2017 at 2:37 PM
> Subject: [Graphics/DRM - Bug #7716] drm hang with ring dumps in messages
> To:
>
>
> Issue #7716 has been updated by Gordon Ross.
>
>
> Can anyone with one of the systems affected by this hang try setting
>   i915_try_reset = true
> (you can use mdb -kw to set it)
> and report back with the result?  Thanks!
>
> ------------------------------ ----------
> Bug #7716: drm hang with ring dumps in messages
> https://www.illumos.org/ issues/7716#change-18715
>
> * Author: Marcel Telka
> * Status: New
> * Priority: Normal
> * Assignee:
> * Category:
> * Target version:
> * Difficulty: Medium
> * Tags: needs-triage
> ------------------------------ ----------
> I face the drm hang with the flood of ring dumps in the
> /var/adm/messages (attached).  After the hang the screen shows the
> distorted image and Xorg core dumps.  The only way I found how to get
> out of this is reboot.
>
> Here is the beginning of the messages log:
>
> <pre>
> Jan  2 11:41:32 telcontar drm: [ID 300979 kern.warning] WARNING:
> [drm:ring_dump:881] Dump render ring ring
> Jan  2 11:41:32 telcontar drm: [ID 834546 kern.warning] WARNING:
> [drm:ring_dump:882] HEAD 0x14d04 TAIL 0x14e28
> Jan  2 11:41:32 telcontar drm: [ID 628728 kern.warning] WARNING:
> [drm:ring_dump:883] seq 3742159
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a34]: 0x12044
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a38]: 0x3919c9
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a3c]: 0x0
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a40]: 0x11000001
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a44]: 0x22040
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a48]: 0x3919c9
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a4c]: 0x0
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a50]: 0x10800001
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a54]: 0x80
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a58]: 0x3919c9
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a5c]: 0x1000000
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a60]: 0xb160001
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a64]: 0x3919c9
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a68]: 0x0
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a6c]: 0x0
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a70]: 0x7a000003
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a74]: 0x100002
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a78]: 0x261084
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a7c]: 0x0
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a80]: 0x0
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a84]: 0x0
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a88]: 0x7a000003
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a8c]: 0x4000
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a90]: 0x261084
> Jan  2 11:41:32 telcontar drm: [ID 994420 kern.warning] WARNING:
> [drm:ring_dump:890] render ring[0x14a94]: 0x0
>
> ...
> </pre>
>
> This hang happens usually in less than 24 hours after the boot, but
> sometimes the machine survives for several days.  The machine is
> Lenovo T520 with this graphics controller (scanpci):
>
> <pre>
> pci bus 0x0000 cardnum 0x02 function 0x00: vendor 0x8086 device 0x0126
>  Intel Corporation 2nd Generation Core Processor Family Integrated
> Graphics Controller
> </pre>
>
> IIRC, this started to happen once I updated from older drm binaries
> (made by Martin Bochnig) to the gfx-drm work available in recent OI
> Hipster.
>
> ---Files---------------------- ----------
> messages (695 KB)
>
>
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--
+----------------------------- --------------+
| Marcel Telka   e-mail:   marcel at telka.sk  |
|                homepage: http://telka.sk/ |
|                jabber:   marcel at jabber.sk |
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