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[Qemu-devel] [Bug 1769189] Re: Issue with qemu 2.12.0 + SATA
From: |
Bruce Rogers |
Subject: |
[Qemu-devel] [Bug 1769189] Re: Issue with qemu 2.12.0 + SATA |
Date: |
Wed, 23 May 2018 17:30:26 -0000 |
I've tried bisecting a few times, but since my reproducer wasn't
reliable enough, I didn't identify the issue. (I see a bisect reported
on qemu ML which seems like a bogus result, similar to mine).
In my case, after the "hang", Windows 10 resets the ahci device after 2
minutes and it continues on until another hang happens. Seems fairly
random. I increased the number of vcpu's assigned which seemed to
increase the likelihood of the hang.
I also went so far as to instrument an injection of the ahci interrupt
via the monitor (total kludge, I know), and the guest did get out of the
hung condition right away when I did that.
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https://bugs.launchpad.net/bugs/1769189
Title:
Issue with qemu 2.12.0 + SATA
Status in QEMU:
New
Bug description:
[EDIT: I first thought that OVMF was the issue, but it turns out to be
SATA]
I had a Windows 10 VM running perfectly fine with a SATA drive, since
I upgraded to qemu 2.12, the guests hangs for a couple of minutes,
works for a few seconds, and hangs again, etc. By "hang" I mean it
doesn't freeze, but it looks like it's waiting on IO or something, I
can move the mouse but everything needing disk access is unresponsive.
What doesn't work: qemu 2.12 with SATA
What works: using VirIO-SCSI with qemu 2.12 or downgrading qemu to 2.11.1 and
keep using SATA.
Platform is arch linux 4.16.7 on skylake and Haswell, I have attached
the vm xml file.
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- [Qemu-devel] [Bug 1769189] [NEW] Issue with qemu 2.12.0 + UEFI, François Guerraz, 2018/05/04
- [Qemu-devel] [Bug 1769189] Re: Issue with qemu 2.12.0 + UEFI, Adee, 2018/05/05
- [Qemu-devel] [Bug 1769189] Re: Issue with qemu 2.12.0 + UEFI, Mathias Bösl, 2018/05/11
- [Qemu-devel] [Bug 1769189] Re: Issue with qemu 2.12.0 + SATA, François Guerraz, 2018/05/15
- [Qemu-devel] [Bug 1769189] Re: Issue with qemu 2.12.0 + SATA, Dr. David Alan Gilbert, 2018/05/15
- [Qemu-devel] [Bug 1769189] Re: Issue with qemu 2.12.0 + SATA, blackdevil, 2018/05/16
- [Qemu-devel] [Bug 1769189] Re: Issue with qemu 2.12.0 + SATA,
Bruce Rogers <=
- [Qemu-devel] [Bug 1769189] Re: Issue with qemu 2.12.0 + SATA, John Snow, 2018/05/24
- [Qemu-devel] [Bug 1769189] Re: Issue with qemu 2.12.0 + SATA, Bruce Rogers, 2018/05/25
- [Qemu-devel] [Bug 1769189] Re: Issue with qemu 2.12.0 + SATA, John Snow, 2018/05/30
- [Qemu-devel] [Bug 1769189] Re: Issue with qemu 2.12.0 + SATA, John Snow, 2018/05/31