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Date:      Thu, 28 May 2009 09:40:32 +0200
From:      Thomas Backman <serenity@exscape.org>
To:        Thomas Vogt <freebsdlists@bsdunix.ch>
Cc:        FreeBSD Current <freebsd-current@freebsd.org>
Subject:   Re: ZFS Crash with latest current from May 26
Message-ID:  <EBB6DA19-A322-4624-B011-65D6B9CFB100@exscape.org>
In-Reply-To: <4A1DB307.70007@bsdunix.ch>
References:  <4A1DB307.70007@bsdunix.ch>

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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




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