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Diffstat (limited to 'results/scraper/launchpad-without-comments/1766904')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1766904 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1766904 b/results/scraper/launchpad-without-comments/1766904 new file mode 100644 index 00000000..42eaafb1 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1766904 @@ -0,0 +1,16 @@ +Creating high hdd load (with constant fsyncs) on a SATA disk leads to freezes and errors in guest dmesg + +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 fsyncs. + +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): + +http://paste.debian.net/hidden/472fb220/ + +Sample of error messages in guest dmesg: + +http://paste.debian.net/hidden/8219e234/ + +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. \ No newline at end of file |