From: bugzilla-daemon@bugzilla.kernel.org
To: kvm@vger.kernel.org
Subject: [Bug 204975] New: AMD-Vi: Command buffer timeout
Date: Mon, 23 Sep 2019 23:06:58 +0000 [thread overview]
Message-ID: <bug-204975-28872@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=204975
Bug ID: 204975
Summary: AMD-Vi: Command buffer timeout
Product: Virtualization
Version: unspecified
Kernel Version: 4.19.75
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: blocking
Priority: P1
Component: kvm
Assignee: virtualization_kvm@kernel-bugs.osdl.org
Reporter: sss123next@list.ru
Regression: No
Created attachment 285127
--> https://bugzilla.kernel.org/attachment.cgi?id=285127&action=edit
dmesg fragment with error
i have "ASRock X470 Gaming K4" motherboard, and using pci-passthrough for
sometime already, working fine on bios version 1.90, had some troubles, but
working overall, unfortunately i decided to update bios to latest versions
(3.40, 3.50), and pci-passthrough stopped work at all, i guess problem rerlated
to new "AMD AGESA Combo-AM4 1.0.0.3", a little searching over internet confirms
what it's common problem across different boards, i do not know exactly is it
amd bug, kvm, bug, or kernel bug, i have already reported problem to board
manufacturer.
in console i get something like "vfio: cannot power on device, stuck in D3"
from qemu.
also a lot of warnings in dmesg (see attachments).
device still visible in lspci, but looks completely unresponsive.
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next reply other threads:[~2019-09-23 23:07 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-23 23:06 bugzilla-daemon [this message]
2019-09-23 23:07 ` [Bug 204975] AMD-Vi: Command buffer timeout bugzilla-daemon
2019-09-23 23:07 ` bugzilla-daemon
2019-09-23 23:08 ` bugzilla-daemon
2019-09-23 23:08 ` bugzilla-daemon
2019-09-23 23:09 ` bugzilla-daemon
2019-09-23 23:09 ` bugzilla-daemon
2019-09-23 23:20 ` bugzilla-daemon
2019-09-23 23:32 ` bugzilla-daemon
2019-09-25 13:38 ` bugzilla-daemon
2019-09-26 14:59 ` bugzilla-daemon
2020-04-02 11:29 ` bugzilla-daemon
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