From: Daniel Lezcano <daniel.lezcano@oss.qualcomm.com>
To: Faruque Ansari <faruque.ansari@oss.qualcomm.com>,
Sebastian Reichel <sre@kernel.org>,
Wim Van Sebroeck <wim@linux-watchdog.org>,
Guenter Roeck <linux@roeck-us.net>,
Benson Leung <bleung@chromium.org>,
Tzung-Bi Shih <tzungbi@kernel.org>,
Oleksij Rempel <o.rempel@pengutronix.de>,
Srinivas Kandagatla <srini@kernel.org>,
Daniel Lezcano <daniel.lezcano@kernel.org>,
Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-watchdog@vger.kernel.org, linux-arm-msm@vger.kernel.org,
"Liam Girdwood" <lgirdwood@gmail.com>,
"Mark Brown" <broonie@kernel.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"Zhang Rui" <rui.zhang@intel.com>,
"Lukasz Luba" <lukasz.luba@arm.com>,
"Søren Andersen" <san@skov.dk>,
"Guenter Roeck" <groeck@chromium.org>,
"Matti Vaittinen" <mazziesaccount@gmail.com>,
"Ahmad Fatoum" <a.fatoum@pengutronix.de>,
"Andrew Morton" <akpm@linux-foundation.org>,
avaneesh.dwivedi@oss.qualcomm.com,
"Umang Chheda" <umang.chheda@oss.qualcomm.com>
Subject: Re: [PATCH v4 1/3] power: reset: pscrr: add kernel panic reason tracking
Date: Wed, 7 Oct 2026 12:43:26 +0200 [thread overview]
Message-ID: <99cd4231-b186-4db1-a9d7-45926720b16d@oss.qualcomm.com> (raw)
In-Reply-To: <20260805-pscrr-reboot-reason-v4-1-54ef517084cc@oss.qualcomm.com>
On 8/5/26 10:54, Faruque Ansari wrote:
> Kernel panic resets are not recorded in NVMEM, causing subsequent
> boots to report PSCR_UNKNOWN and making post-mortem analysis more
> difficult.
>
> Register a panic notifier to preserve the shutdown reason across
> panic-triggered resets. Add PSCR_KERNEL_PANIC as a dedicated reset
> reason code and its corresponding reason string to identify kernel
> panic resets on subsequent boots.
>
> Signed-off-by: Faruque Ansari <faruque.ansari@oss.qualcomm.com>
> ---
Reviewed-by: Daniel Lezcano <daniel.lezcano@oss.qualcomm.com>
next prev parent reply other threads:[~2026-10-07 10:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-05 8:54 [PATCH v4 0/3] power: reset: pscrr: record reset cause on panic and watchdog pretimeout Faruque Ansari
2026-08-05 8:54 ` [PATCH v4 1/3] power: reset: pscrr: add kernel panic reason tracking Faruque Ansari
2026-10-07 10:43 ` Daniel Lezcano [this message]
2026-08-05 8:54 ` [PATCH v4 2/3] power: reset: pscrr: add watchdog pretimeout " Faruque Ansari
2026-10-07 10:54 ` Daniel Lezcano
2026-08-05 8:54 ` [PATCH v4 3/3] watchdog: pretimeout: update PSC reason in panic pretimeout governor Faruque Ansari
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