From: Thomas Gleixner <tglx@kernel.org>
To: Bert Karwatzki <spasswolf@web.de>, linux-kernel@vger.kernel.org
Cc: linux-next@vger.kernel.org, spasswolf@web.de,
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W_Armin@gmx.de
Subject: Re: crash during resume of PCIe bridge from v5.17 to next-20260130 (v5.16 works)
Date: Sun, 01 Feb 2026 17:42:13 +0100 [thread overview]
Message-ID: <87a4xs2z6i.ffs@tglx> (raw)
In-Reply-To: <630a4020c87c122c004321971e43c334fd7aceb4.camel@web.de>
On Sun, Feb 01 2026 at 01:36, Bert Karwatzki wrote:
> I found the error, the commit
> ("drm/amd: Check if ASPM is enabled from PCIe subsystem")
> has been applied twice first as cba07cce39ac and a second time
> as 7294863a6f01 after it had been superseeded by commit
> 0ab5d711ec74 ("drm/amd: Refactor `amdgpu_aspm` to be evaluated per device")
> This effectively disables ASPM globally after the built-in GPU (which does not
> support ASPM) is probed. This is the reason for the crashes and loss of devices
> errors which on average occur after ~1000 resumes of the discrete GPU.
Wow. Nice detective work...
next prev parent reply other threads:[~2026-02-01 16:42 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-13 9:41 NMI stack overflow during resume of PCIe bridge with CONFIG_HARDLOCKUP_DETECTOR=y Bert Karwatzki
2026-01-13 15:24 ` Thomas Gleixner
2026-01-13 17:50 ` Bert Karwatzki
2026-01-13 19:30 ` Thomas Gleixner
2026-01-13 21:15 ` Jason Gunthorpe
2026-01-13 22:19 ` Bert Karwatzki
2026-01-20 10:27 ` crash during resume of PCIe bridge in v5.17 (v5.16 works) Bert Karwatzki
2026-02-01 0:36 ` crash during resume of PCIe bridge from v5.17 to next-20260130 " Bert Karwatzki
2026-02-01 10:19 ` Armin Wolf
2026-02-01 11:42 ` Rafael J. Wysocki
2026-02-01 16:42 ` Thomas Gleixner [this message]
2026-02-02 10:37 ` Christian König
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