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[Qemu-devel] [Bug 1766904] Re: Creating high hdd load (with constant fsy
[Qemu-devel] [Bug 1766904] Re: Creating high hdd load (with constant fsyncs) on a SATA disk leads to freezes and errors in guest dmesg
Thu, 31 May 2018 19:01:08 -0000
*** This bug is a duplicate of bug 1769189 ***
Great, thank you so much for helping!
** This bug has been marked a duplicate of bug 1769189
Issue with qemu 2.12.0 + SATA
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Creating high hdd load (with constant fsyncs) on a SATA disk leads to
freezes and errors in guest dmesg
Status in QEMU:
After upgrading from qemu 2.10.0+dfsg-2 to 2.12~rc3+dfsg-2 (on debian
sid host), centos 7 guest started to show freezes and ata errors in
dmesg during hdd workloads with writing many small files and repeated
Host kernel 4.15.0-3-amd64.
Guest kernel 3.10.0-693.21.1.el7.x86_64 (slightly older guest kernel was
tested too with same result).
Script that reproduces the bug (first run usualy goes smooth, second
and later runs result in dmesg errors and freezes):
Sample of error messages in guest dmesg:
This vm is launchd using virsh start. VM launch command (from logfile
A workaround that I am using right now: I have detached this SATA
storage and reattached the same .qcow2 file as SCSI - this has fixed
the issue for me.
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