From: Bert Karwatzki <spasswolf@web.de>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: "Christian König" <christian.koenig@amd.com>,
"Mario Limonciello (AMD) (kernel.org)" <superm1@kernel.org>,
linux-kernel@vger.kernel.org, linux-next@vger.kernel.org,
regressions@lists.linux.dev, linux-pci@vger.kernel.org,
linux-acpi@vger.kernel.org,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
acpica-devel@lists.linux.dev,
"Robert Moore" <robert.moore@intel.com>,
"Saket Dumbre" <saket.dumbre@intel.com>,
spasswolf@web.de
Subject: Re: Crash during resume of pcie bridge due to infinite loop in ACPICA
Date: Thu, 27 Nov 2025 01:08:05 +0100 [thread overview]
Message-ID: <8273a7755f90a3e41782f1d820dd9f0c22be78b7.camel@web.de> (raw)
In-Reply-To: <CAJZ5v0iAJN4eTdp9S=CKbMnVn78R7UnBKbLjBTdRhHebE0i7dA@mail.gmail.com>
Am Dienstag, dem 25.11.2025 um 20:46 +0100 schrieb Rafael J. Wysocki:
>
>
> What may be happening, but this is just a theory, is that the
> interpreter aborts the evaluation of a method due to an internal
> timeout, essentially the control_state->control.loop_timeout check in
> acpi_ds_exec_end_control_op() and that leads to a subsequent hard
> failure like a deadlock.
>
> This may be tested by increasing the ACPI_MAX_LOOP_TIMEOUT value, but
> I'm not sure it's practical to try that.
I don't think this the case here because ACPI_MAX_LOOP_TIMEOUT defaults to
30s and the walk loop until the crash only lasts ~2s.
Bert Karwatzki
next prev parent reply other threads:[~2025-11-27 0:08 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-06 12:09 [REGRESSION 00/04] Crash during resume of pcie bridge Bert Karwatzki
2025-10-06 12:09 ` [REGRESSION 01/04] " Bert Karwatzki
2025-10-06 12:09 ` [REGRESSION 02/04] " Bert Karwatzki
2025-10-06 12:09 ` [REGRESSION 03/04] " Bert Karwatzki
2025-10-06 12:09 ` [REGRESSION 04/04] " Bert Karwatzki
2025-10-06 12:39 ` [REGRESSION 00/04] " Christian König
2025-10-06 16:22 ` Bert Karwatzki
2025-10-07 6:50 ` Bert Karwatzki
2025-10-07 21:33 ` Mario Limonciello
2025-10-13 16:29 ` Bert Karwatzki
2025-10-13 18:51 ` Mario Limonciello
2025-10-14 10:50 ` Christian König
[not found] ` <1853e2af7f70cf726df278137b6d2d89d9d9dc82.camel@web.de>
2025-10-31 13:38 ` Bert Karwatzki
2025-10-31 13:47 ` Bert Karwatzki
2025-10-31 18:35 ` Bert Karwatzki
2025-11-05 11:44 ` Bert Karwatzki
2025-11-05 21:31 ` Mario Limonciello (AMD) (kernel.org)
2025-11-07 13:09 ` Bert Karwatzki
2025-11-07 17:09 ` Bert Karwatzki
2025-11-10 13:33 ` Christian König
2025-11-16 21:08 ` Crash during resume of pcie bridge due to infinite loop in ACPICA Bert Karwatzki
2025-11-17 16:40 ` Rafael J. Wysocki
2025-11-24 22:34 ` Bert Karwatzki
2025-11-25 19:46 ` Rafael J. Wysocki
2025-11-27 0:08 ` Bert Karwatzki [this message]
2025-11-27 13:02 ` Rafael J. Wysocki
2025-11-28 20:47 ` Bert Karwatzki
2025-12-02 18:59 ` Rafael J. Wysocki
2025-12-02 19:53 ` Bert Karwatzki
2025-12-02 20:01 ` Rafael J. Wysocki
2025-12-05 10:05 ` Crash during resume of pcie bridge due to incorrect error handling Bert Karwatzki
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