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crash: oldsize != VSIZENOTSET
Dear list readers,
since several weeks i use netbsd cvs on a xen virtualized environment.
> NetBSD 4.99.72 (XEN3_DOMU_MYOWN)
From time to time (once or twice a month) the system crashes / hangs into the
Each time i get something like:
"applicationxy: oldsize != VSIZENOTSET"
It seems the error relates to:
-- snip --
352 oldsize = vp->v_writesize;
353 KASSERT(oldsize != VSIZENOTSET || pgend > oldsize);
--- snapp --
when a application tries to open one of a list of specific files.
There was situiations where this xen netbsd guest hangs and i had no other
chance as to destroy and recreate that host (like a hard reset on real
hardware). During reboot the system does fsck and repair all (later) mounted
filesystems on wich this effect will happen.
Is this problem related to a unclean filesystem or a netbsd bug? How i can
clean that filesystem? The fsck during boot seems not to help. I don't
believe that there is a disc hardware failure behind - the storage is SAS
RAID mirrored from HP.
As described in UPDATE 20080731 the WAPBL support has been added - not
backward compatible with pre-WAPL aware kernels. So i updated both
filesystems with "fsck_ffs -c 4".
Did someone have any ideas about that or - better - a solution?
T.-Muentzer.-Str. 2, 37308 Heilbad Heiligenstadt - DE
PGP public key ID 651CA20D
Fingerprint: 55E0 4DCD B04C 4A49 1586 88AE 54DC 4465 651C A20D
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