ZFS Crash with latest current from May 26

[Thomas Backman]

On May 27, 2009, at 11:39 PM, Thomas Vogt wrote:

> Hi
>
> I updated today to latest current (from a current system late  
> april). Now, the system is very unstable.
> b> bt
> Tracing pid 5142 tid 100159 td 0xffffff0032172720
> bcopy() at bcopy+0x16
> dnode_set_blksz() at dnode_set_blksz+0x2ae
> dmu_object_set_blocksize() at dmu_object_set_blocksize+0x4c
> zfs_grow_blocksize() at zfs_grow_blocksize+0x45
> zfs_freebsd_write() at zfs_freebsd_write+0x9e6
> VOP_WRITE_APV() at VOP_WRITE_APV+0xfe
> vn_write() at vn_write+0x221
> dofilewrite() at dofilewrite+0x85
> kern_writev() at kern_writev+0x60
> write() at write+0x54
> syscall() at syscall+0x1bf
> Xfast_syscall() at Xfast_syscall+0xd0
> --- syscall (4, FreeBSD ELF64, write), rip = 0x80073616c, rsp =  
> 0x7fffffffe068, rbp = 0x7fffff
This looks like the panic I've been getting when I don't set my  
arc_max really, really low (about 30M on a 1GB RAM system). Since  
then, no more crashes.

Regards,
Thomas