Date: Mon, 20 Jan 2014 16:39:51 +0100 From: Philipp <mailinglists@cypresscreek.de> To: freebsd-fs@freebsd.org Subject: Filesystem errors with VirtIO Message-ID: <20140120163951.7fe4c1f8@calavera>
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Hi everyone, I'm running FreeBSD 10.0-RELEASE on a virtualized KVM server. I'm using VirtIO from base to access NIC and HDD directly. Filesystem is UFS2 with Journaling and SU. Last week I had to reinstall FreeBSD because the salvation of the several filesystem errors wasn't possible anymore. I don't have any evidence but I guess it has something to do with the VirtIO driver. After running the machine for 48 hours with a freshly installed FreeBSD 10 several soft update inconsistencies occur: # fsck ** /dev/vtbd0p2 (NO WRITE) USE JOURNAL? no ** Skipping journal, falling through to full fsck SETTING DIRTY FLAG IN READ_ONLY MODE UNEXPECTED SOFT UPDATE INCONSISTENCY ** Last Mounted on / ** Root file system ** Phase 1 - Check Blocks and Sizes ** Phase 2 - Check Pathnames ** Phase 3 - Check Connectivity LINK COUNT INCREASING UNEXPECTED SOFT UPDATE INCONSISTENCY ADJUST? no LINK COUNT DIR I=11075332 OWNER=root MODE=40755 SIZE=512 MTIME=Jan 20 15:06 2014 COUNT 0 SHOULD BE 1 LINK COUNT INCREASING UNEXPECTED SOFT UPDATE INCONSISTENCY ADJUST? no LINK COUNT DIR I=11316145 OWNER=root MODE=40755 SIZE=512 MTIME=Jan 20 15:26 2014 COUNT 0 SHOULD BE 1 LINK COUNT INCREASING UNEXPECTED SOFT UPDATE INCONSISTENCY ADJUST? no UNREF FILE I=11316146 OWNER=root MODE=100644 SIZE=227096 MTIME=Jan 20 15:26 2014 CLEAR? no LINK COUNT DIR I=11316147 OWNER=root MODE=40755 SIZE=512 MTIME=Jan 20 15:34 2014 COUNT 0 SHOULD BE 1 LINK COUNT INCREASING UNEXPECTED SOFT UPDATE INCONSISTENCY ADJUST? no LINK COUNT DIR I=11316148 OWNER=root MODE=40755 SIZE=512 MTIME=Jan 20 15:49 2014 COUNT 0 SHOULD BE 1 LINK COUNT INCREASING UNEXPECTED SOFT UPDATE INCONSISTENCY ADJUST? no UNREF FILE I=11316150 OWNER=root MODE=100644 SIZE=928 MTIME=Jan 20 15:49 2014 CLEAR? no LINK COUNT DIR I=11333352 OWNER=root MODE=40755 SIZE=512 MTIME=Jan 20 15:18 2014 COUNT 0 SHOULD BE 1 LINK COUNT INCREASING UNEXPECTED SOFT UPDATE INCONSISTENCY ADJUST? no ** Phase 5 - Check Cyl groups 250807 files, 860388 used, 36209947 free (8179 frags, 4525221 blocks, 0.0% fragmentation) After a reboot different inconsistencies appear. I had the very same problems with 9.2-RELEASE, which caused the need of a reinstallation of the OS (errors like "vtbd0: hard error cmd=write fsbn 24162" occured). Can someone confirm these problems with VirtIO? What else can I do? Regards, Philipp
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