Date: Sat, 14 Nov 1998 17:23:36 +0100 (MET) From: Michael Class <michaelc@bbn.hp.com> To: David Greenman <dg@root.com> Cc: michael_class@gmx.net, current@FreeBSD.ORG, mckusick@mckusick.com Subject: Re: SMP-System panics after recent ffs_alloc changes Message-ID: <Pine.BSF.4.05.9811141720040.2421-100000@pc-micha.mc.hp.com> In-Reply-To: <199811141432.GAA13419@root.com>
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On Sat, 14 Nov 1998, David Greenman wrote:
> >the recent changes in vfs_cluster.c, buf.h and ffs_alloc.c cause a
> >panic on my SMP-System.
> ...
> >Backing out these changes solves the problem.
> >
> >The panic is"ffs_blkfree: bad size"
>
> No need to back out the changes - there is a sysctl knob to shut off the
> code called "vfs.ffs.doreallocblks"...just set it to 0.
Thank you, this seems to be a workaroundr; make -j4 world succeeded.
> Is there anything unusual about your filesystems? Are you using the
> standard 8K/1K block/fragment size?
Yes, this are the partions of the two disks on the system:
6 partitions:
# size offset fstype [fsize bsize bps/cpg]
a: 81920 0 4.2BSD 1024 8192 8192 # (Cyl. 0 - 5*)
b: 262144 81920 swap # (Cyl. 5*- 21*)
c: 12434310 0 unused 1024 8192 # (Cyl. 0 - 773)
d: 409600 344064 4.2BSD 1024 8192 8192 # (Cyl. 21*- 46*)
e: 819200 753664 4.2BSD 1024 8192 8192 # (Cyl. 46*- 97*)
f: 10861446 1572864 4.2BSD 1024 8192 8192 # (Cyl. 97*- 773*)
4 partitions:
# size offset fstype [fsize bsize bps/cpg]
a: 8252 0 4.2BSD 1024 8192 16 # (Cyl. 0 - 0*)
b: 327680 8253 swap # (Cyl. 1 - 40*)
c: 4194304 0 unused 0 0 # (Cyl. 0 - 508*)
d: 3858371 335933 4.2BSD 1024 8192 16 # (Cyl. 40*- 508*)
Michael
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E-Mail: michael_class@gmx.net
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