From: bugzilla-daemon@bugzilla.kernel.org
To: kvm@vger.kernel.org
Subject: [Bug 201753] AMD-Vi: Unable to write to IOMMU perf counter
Date: Thu, 18 Mar 2021 01:22:51 +0000 [thread overview]
Message-ID: <bug-201753-28872-RdZc6ZE6ap@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-201753-28872@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=201753
kitchm@tutanota.com changed:
What |Removed |Added
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CC| |kitchm@tutanota.com
--- Comment #25 from kitchm@tutanota.com ---
I do not know if this will help your testing, but I am using MSI 450-A Pro and
AMD Ryzen 3 2200G with Radeon Vega Graphics. When booting into Debian 10 I
have always seen the error message that states:
"Unable to write to IOMMU perf counter"
It flashes at the top of the screen as the first item then goes away only to be
rewritten at the top of the boot process steps. It only last a moment and then
everything boots normally.
However, I just updated to the latest BIOS version and it hung at that point
every time. The BIOS version was Beta, so re-flashing to the older version
solved the problem. It is now back to its normal behavior.
I'm not into manual kernel changes or configuring from source, so I'm sorry if
I can't help more.
Hope this info helps your research, and thanks for it. Keep up the great work.
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next prev parent reply other threads:[~2021-03-18 1:23 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-201753-28872@https.bugzilla.kernel.org/>
2020-03-27 20:58 ` [Bug 201753] AMD-Vi: Unable to write to IOMMU perf counter bugzilla-daemon
2020-03-27 21:06 ` bugzilla-daemon
2021-02-02 1:33 ` bugzilla-daemon
2021-02-06 3:42 ` bugzilla-daemon
2021-02-06 4:01 ` bugzilla-daemon
2021-02-10 19:52 ` bugzilla-daemon
2021-02-10 19:54 ` bugzilla-daemon
2021-02-11 18:03 ` bugzilla-daemon
2021-02-24 20:32 ` bugzilla-daemon
2021-02-25 17:54 ` bugzilla-daemon
2021-02-26 11:58 ` bugzilla-daemon
2021-02-26 13:28 ` bugzilla-daemon
2021-02-26 21:17 ` bugzilla-daemon
2021-02-27 15:21 ` bugzilla-daemon
2021-02-28 20:04 ` bugzilla-daemon
2021-03-03 18:24 ` bugzilla-daemon
2021-03-05 10:26 ` bugzilla-daemon
2021-03-08 10:46 ` bugzilla-daemon
2021-03-15 22:00 ` bugzilla-daemon
2021-03-16 11:14 ` bugzilla-daemon
2021-03-17 10:32 ` bugzilla-daemon
2021-03-18 1:22 ` bugzilla-daemon [this message]
2021-03-18 8:41 ` bugzilla-daemon
2021-03-18 16:41 ` bugzilla-daemon
2021-03-19 9:13 ` bugzilla-daemon
2021-03-19 9:56 ` bugzilla-daemon
2021-03-19 16:37 ` bugzilla-daemon
2021-03-19 20:43 ` bugzilla-daemon
2021-03-25 21:51 ` bugzilla-daemon
2021-08-26 8:42 ` bugzilla-daemon
2021-08-26 8:43 ` bugzilla-daemon
2021-10-01 19:54 ` bugzilla-daemon
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