There are two calls to vfs_rele in the stack trace, may be explaining why the assertion failed.
Regards, Andrey On Tue, Dec 8, 2009 at 10:48 PM, Joep Vesseur <joep.vess...@sun.com> wrote: > Folks, > > I've been seeing this for a while, but never had the urge to ask, until now. > When I take a snapshot of my current root-FS and tell the system to reboot off > that snapshot, I'm faced with an assertion failure (running DEBUG bits) that > looks like this: > > r...@codemonkey:~# df -h / > Filesystem Size Used Avail Use% Mounted on > rpool/ROOT/bfu 129G 8.2G 121G 7% / > r...@codemonkey:~# zfs snapshot rpool/ROOT/b...@ro > r...@codemonkey:~# reboot rpool/ROOT/b...@ro > Dec 8 20:41:17 codemonkey reboot: initiated by root on /dev/console > > panic[cpu0]/thread=ffffff01e1023040: assertion failed: vfsp->vfs_count != 0, > file: ../../common/fs/vfs.c, line: 4374 > > ffffff0007fb1c90 genunix:assfail+7e () > ffffff0007fb1cc0 genunix:vfs_rele+86 () > ffffff0007fb1ce0 zfs:zfs_freevfs+2a () > ffffff0007fb1d00 genunix:fsop_freefs+1a () > ffffff0007fb1d30 genunix:vfs_rele+3b () > ffffff0007fb1d60 genunix:vfs_remove+65 () > ffffff0007fb1db0 genunix:dounmount+a3 () > ffffff0007fb1de0 genunix:vfs_unmountall+92 () > ffffff0007fb1e50 genunix:kadmin+549 () > ffffff0007fb1eb0 genunix:uadmin+10f () > ffffff0007fb1f00 unix:brand_sys_syscall32+295 () > > syncing file systems... done > dumping to /dev/zvol/dsk/rpool/dump, offset 65536, content: kernel > 0:14 100% done > 100% done: 256267 pages dumped, dump succeeded > rebooting... > > I've tried to reason why this happens, but fail to come up with a > plausible answer. Has anyone else seen this? Anyone knows what's > amiss? I'm hesitant to file a bug without a pointer to a possible > cause. > > This only happens when I try to reboot off a snapshot. If I first create > a clone of the snapshot and reboot off that, the system is perfectly happy... > > TIA, > > Joep > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
