From: "mika.westerberg@linux.intel.com" <mika.westerberg@linux.intel.com>
To: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>
Subject: Re: Linux v5.5 serious PCI bug
Date: Tue, 10 Dec 2019 14:34:08 +0200 [thread overview]
Message-ID: <20191210123408.GD2665@lahna.fi.intel.com> (raw)
In-Reply-To: <PSXP216MB04384F89D9D9DDA6999347CF805B0@PSXP216MB0438.KORP216.PROD.OUTLOOK.COM>
On Tue, Dec 10, 2019 at 12:00:23PM +0000, Nicholas Johnson wrote:
> The following is the culprit responsible for the issues:
>
> commit 586bc4aab878efcf672536f0cdec3d04b6990c94
> Author: Alex Deucher <alexander.deucher@amd.com>
> Date: Fri Nov 22 16:43:50 2019 -0500
>
> ALSA: hda/hdmi - fix vgaswitcheroo detection for AMD
>
> It is playing with PCI devices. Clearly they did not consider
> hot-removal. I am guessing it is seeing the audio PCI func of the AMD
> card in that Thunderbolt eGPU enclosure.
>
> I will collect information, make a bugzilla report and contact the AMD
> team. If anybody wants to be cc'd in then let me know. Sorry for
> bothering you and Bjorn with something which actually has nothing
> directly to do with the PCI subsystem or Thunderbolt.
No problem. Thanks for taking time to bisect the issue.
next prev parent reply other threads:[~2019-12-10 12:34 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-09 12:34 Linux v5.5 serious PCI bug Nicholas Johnson
2019-12-09 12:37 ` Pavel Machek
2019-12-09 13:07 ` Nicholas Johnson
2019-12-09 13:12 ` mika.westerberg
2019-12-09 13:29 ` Nicholas Johnson
2019-12-09 13:33 ` Nicholas Johnson
2019-12-10 7:28 ` mika.westerberg
2019-12-10 12:00 ` Nicholas Johnson
2019-12-10 12:29 ` Lukas Wunner
2019-12-10 12:46 ` Takashi Iwai
2019-12-11 7:33 ` Jiasen Lin
2019-12-10 12:52 ` Nicholas Johnson
2019-12-10 12:34 ` mika.westerberg [this message]
2019-12-10 13:39 ` [PATCH] ALSA: hda/hdmi - Fix duplicate unref of pci_dev Lukas Wunner
2019-12-10 13:41 ` Takashi Iwai
2019-12-10 13:47 ` Nicholas Johnson
2019-12-10 13:50 ` Takashi Iwai
2019-12-10 15:34 ` Deucher, Alexander
2019-12-10 15:46 ` Lukas Wunner
2019-12-10 15:53 ` Deucher, Alexander
2019-12-10 16:10 ` Takashi Iwai
2019-12-10 16:51 ` Deucher, Alexander
2019-12-10 16:13 ` Lukas Wunner
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