From: bugzilla-daemon@bugzilla.kernel.org
To: kvm@vger.kernel.org
Subject: [Bug 205655] New: kvm with cache=none and btrfs -> corrupted file system
Date: Tue, 26 Nov 2019 09:24:48 +0000 [thread overview]
Message-ID: <bug-205655-28872@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=205655
Bug ID: 205655
Summary: kvm with cache=none and btrfs -> corrupted file system
Product: Virtualization
Version: unspecified
Kernel Version: 4.9 4.19 5.3.12
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: kvm
Assignee: virtualization_kvm@kernel-bugs.osdl.org
Reporter: denis.ovsyannikov@gmail.com
Regression: No
hello
we use kvm with disks formatted in btrfs
when we turned on the mode "cache=none"
got data corruption
other modes work well
we tested it on three servers and the result is always repeated
we tested on three operating systems(debian 9, debian 10, manjaro with kernel
5.3.12)
fstab
UUID=a49494f2-35a4-4a9c-aab0-1afc905c02c2 /mnt/test btrfs defaults 0 2
dmesg
[675174.887900] BTRFS error (device sde1): bdev /dev/sde1 errs: wr 0, rd 0,
flush 0, corrupt 2137, gen 0
[102857.086874] BTRFS warning (device sdc1): csum failed root 256 ino 260 off
1735843840 csum 0xf69f8dd2 expected csum 0x96e71981 mirror 1
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next reply other threads:[~2019-11-26 9:24 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-26 9:24 bugzilla-daemon [this message]
2019-11-26 11:48 ` [Bug 205655] kvm with cache=none and btrfs -> corrupted file system bugzilla-daemon
2019-12-03 9:08 ` [Bug 205655] New: " Stefan Hajnoczi
2019-12-03 9:08 ` [Bug 205655] " bugzilla-daemon
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