From: "Mallesh, Koujalagi" <mallesh.koujalagi@intel.com>
To: Raag Jadav <raag.jadav@intel.com>
Cc: <intel-xe@lists.freedesktop.org>,
<dri-devel@lists.freedesktop.org>, <rodrigo.vivi@intel.com>,
<andrealmeid@igalia.com>, <christian.koenig@amd.com>,
<airlied@gmail.com>, <simona.vetter@ffwll.ch>,
<mripard@kernel.org>, <maarten.lankhorst@linux.intel.com>,
<tzimmermann@suse.de>, <anshuman.gupta@intel.com>,
<badal.nilawar@intel.com>, <riana.tauro@intel.com>,
<karthik.poosa@intel.com>, <sk.anirban@intel.com>
Subject: Re: [PATCH v13 4/4] drm/xe/ras: Use fault-inject to trigger cold-reset wedge
Date: Wed, 5 Aug 2026 15:31:05 +0530 [thread overview]
Message-ID: <91c8cb20-fd5e-499c-a953-07145ad87f14@intel.com> (raw)
In-Reply-To: <anL-1UiSNMQfsXEk@black.igk.intel.com>
On 05-08-2026 02:43 pm, Raag Jadav wrote:
> On Wed, Aug 05, 2026 at 12:41:57PM +0530, Mallesh Koujalagi wrote:
>> Use the fault-inject framework to trigger the cold-reset
>> wedge path (punit_error_handler()) for testing the
>> wedge/recovery flow.
>>
>> Usage:
>> echo 100 > .../wedge_cold_reset/probability
>> echo 1 > .../wedge_cold_reset/times
>>
>> Signed-off-by: Mallesh Koujalagi <mallesh.koujalagi@intel.com>
>> ---
>> v13:
>> - Rename inject_punit_error to wedge_cold_reset. (Riana)
>> - Sashiko corner case issue addressed with
>> commit 20bc4883c7c0 ("drm/xe/ras: Fix boot-time ras error processing").
> If the issue is already fixed, I don't see why this patch is still needed.
> But if it helps in any case,
Thanks Raag! This patch help to exercise the cold-reset wedge path
(punit_error_handler())
without real punit error.
Thanks,
-/Mallesh
>
> Reviewed-by: Raag Jadav <raag.jadav@intel.com>
next prev parent reply other threads:[~2026-08-05 10:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-05 7:11 [PATCH v13 0/4] Introduce cold reset recovery method Mallesh Koujalagi
2026-08-05 7:11 ` [PATCH v13 1/4] drm: Add DRM_WEDGE_RECOVERY_COLD_RESET " Mallesh Koujalagi
2026-08-05 7:11 ` [PATCH v13 2/4] drm/doc: Document " Mallesh Koujalagi
2026-08-05 7:11 ` [PATCH v13 3/4] drm/xe: Handle PUNIT errors by requesting cold-reset recovery Mallesh Koujalagi
2026-08-05 7:11 ` [PATCH v13 4/4] drm/xe/ras: Use fault-inject to trigger cold-reset wedge Mallesh Koujalagi
2026-08-05 9:13 ` Raag Jadav
2026-08-05 10:01 ` Mallesh, Koujalagi [this message]
2026-08-05 11:50 ` ✓ CI.KUnit: success for Introduce cold reset recovery method (rev13) Patchwork
2026-08-05 12:31 ` ✗ Xe.CI.BAT: failure " Patchwork
2026-08-05 22:59 ` ✗ Xe.CI.FULL: " Patchwork
2026-08-06 16:41 ` ✓ CI.KUnit: success for Introduce cold reset recovery method (rev14) Patchwork
2026-08-06 17:22 ` ✓ Xe.CI.BAT: " Patchwork
2026-08-07 5:53 ` ✗ Xe.CI.FULL: failure " Patchwork
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=91c8cb20-fd5e-499c-a953-07145ad87f14@intel.com \
--to=mallesh.koujalagi@intel.com \
--cc=airlied@gmail.com \
--cc=andrealmeid@igalia.com \
--cc=anshuman.gupta@intel.com \
--cc=badal.nilawar@intel.com \
--cc=christian.koenig@amd.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=intel-xe@lists.freedesktop.org \
--cc=karthik.poosa@intel.com \
--cc=maarten.lankhorst@linux.intel.com \
--cc=mripard@kernel.org \
--cc=raag.jadav@intel.com \
--cc=riana.tauro@intel.com \
--cc=rodrigo.vivi@intel.com \
--cc=simona.vetter@ffwll.ch \
--cc=sk.anirban@intel.com \
--cc=tzimmermann@suse.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox