Date: Tue, 17 Nov 1998 09:29:41 +1030 From: Greg Lehey <grog@lemis.com> To: "Steven G. Kargl" <kargl@hotrats.apl.washington.edu>, freebsd-current@FreeBSD.ORG Subject: Re: kernel panics with SMP Message-ID: <19981117092941.N717@freebie.lemis.com> In-Reply-To: <199811162137.NAA11987@hotrats.apl.washington.edu>; from Steven G. Kargl on Mon, Nov 16, 1998 at 01:37:49PM -0800 References: <199811162137.NAA11987@hotrats.apl.washington.edu>
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On Monday, 16 November 1998 at 13:37:49 -0800, Steven G. Kargl wrote:
> FreeBSD-current, cvsup'd on Saturday 14 Nov 98.
>
> SMP system, Micron Millenium Pro2 (dual Pentium Pro) with
> 256 MB memory, Adaptec 2940 controller, 1 $.3 GB seagate drive.
>
> DDB message:
>
> dev=0x20405, bno = 13, bsize = 8192, size = 8192, fs = /usr
> panic: ffs_blkfree: bad size
> mp_lock = 00000001; cpuid = 0; lapic.id = 01000000
> Debugger("panic")
> Stopped at _Debugger+0x35: movb $0, _in_Debugger.98
> db> trace
> _Debugger(f0137c1e) at _Debugger+0x35
> _panic(f01c52d1,f01c529b,20405,d,2000) at _panic+0x9f
> _ffs_blkfree(f09d4990,d,2000) at _ffs_blkfree+0xc2
> _ffs_reallocblks(f85c2e24) at _ffs_reallocblks+0x420
> _cluster_write(f5c87c98,38000,0) at _cluster_write+0x15f
> _ffs_write(f85c2efc,f84f57c0,41,f85c2f94,f012f448) at _ffs_write+0x56f
> _vn_write(f0da7a80,f85c2f40,f0d4fa80,f84f57c0,f0241dac) at _vn_write+0xef
> _write(f84f57c0,f85c2f94,805d100,41,805d100) at _write+0xba
> _syscall(27,27,805d100,41,efbfdc28) at _syscall+0x187
> _Xint0x80_syscall() at _Xint0x80_syscall+0x4c
It would be nice to see the panic string, but it's pretty sure to be
"ffs_blkfree: bad size". It looks as if it's fixed; wait a day or
so. In the meantime, you can work around it with
# sysctl -w vfs.ffs.doreallocblks=0
Greg
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