From: Johannes Stezenbach <js@sig21.net>
To: Vasant Hegde <vasant.hegde@amd.com>
Cc: iommu@lists.linux.dev, "Limonciello, Mario" <Mario.Limonciello@amd.com>
Subject: Re: AMD IOMMU issue with hibernate on Asrock X600
Date: Tue, 3 Feb 2026 12:49:32 +0100 [thread overview]
Message-ID: <aYHgzBOyYlG12p5W@sig21.net> (raw)
In-Reply-To: <52664ef0-268b-4ffa-a8f5-d2126f95450d@amd.com>
Hi Vasant,
On Tue, Feb 03, 2026 at 10:58:42AM +0530, Vasant Hegde wrote:
> On 1/26/2026 8:24 PM, Johannes Stezenbach wrote:
> > hibernate on Asrock Deskmini X600 with Ryzen 7 8700G hangs for
> > about one minute before the power is turned off. It happens with
> > older kernels but also still with 6.19.0-rc6-00200-gc072629f05d7.
> > Sometimes it also hangs for about half a minute after resume from
> > hibernate.
>
> IIUC habernate hangs for sometime , but eventually succeeds. is that correct?
Correct. There is a ~30 sec timeout in iommu_ga_log_enable()
(MMIO_STATUS_TIMEOUT=2000000 * udelay(10)). But eventually
hibernate succeeds.
> Also resume path eventually succeeds. is that correct?
correct
Thanks,
Johannes
prev parent reply other threads:[~2026-02-03 11:49 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-26 14:54 AMD IOMMU issue with hibernate on Asrock X600 Johannes Stezenbach
2026-01-26 15:02 ` Asrock X600 port80 UART Johannes Stezenbach
2026-01-28 9:31 ` AMD IOMMU issue with hibernate on Asrock X600 Johannes Stezenbach
2026-02-03 5:38 ` Vasant Hegde
2026-02-03 11:40 ` Johannes Stezenbach
2026-02-04 15:16 ` Johannes Stezenbach
2026-02-05 14:05 ` Johannes Stezenbach
2026-02-21 14:31 ` Vasant Hegde
2026-02-21 20:28 ` Johannes Stezenbach
2026-02-23 8:49 ` Vasant Hegde
2026-02-23 9:09 ` Johannes Stezenbach
2026-02-24 8:56 ` Vasant Hegde
2026-02-24 9:11 ` Johannes Stezenbach
2026-03-05 16:50 ` Vasant Hegde
2026-02-21 13:14 ` Vasant Hegde
2026-02-21 12:51 ` Vasant Hegde
2026-02-23 6:17 ` Naveen N Rao
2026-02-03 5:28 ` Vasant Hegde
2026-02-03 11:49 ` Johannes Stezenbach [this message]
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=aYHgzBOyYlG12p5W@sig21.net \
--to=js@sig21.net \
--cc=Mario.Limonciello@amd.com \
--cc=iommu@lists.linux.dev \
--cc=vasant.hegde@amd.com \
/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