Date: Wed, 21 Oct 1998 09:56:04 +0100 (BST) From: Doug Rabson <dfr@nlsystems.com> To: Eric Haug <ejh@eas.slu.edu> Cc: current@FreeBSD.ORG Subject: Re: nfs panic in free() Message-ID: <Pine.BSF.4.01.9810210954330.366-100000@herring.nlsystems.com> In-Reply-To: <199810201633.LAA06373@mnw.eas.slu.edu>
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On Tue, 20 Oct 1998, Eric Haug wrote:
> Hi all,
> I am having a repeatable panic in the nfs server code.
> I have a -g compile kernel and a vmcore file.
> dmesg output included
> Should this be sent via send-pr?
> Anyone else seeing this sort of nfs bug?
>
> Another problem that this system has:
> The Promise card has the prom removed, cause the system will not
> recognize the disks connected to it when the prom is in there.
> I believe that this results in the disk access timing being off
> so that transfers are about half of what they could be.
>
> The MBoard is a Matsonic MS6260S running at system clock of 100MHz.
> The CPU is rated for more than 300 MHz. i.e. the system
> is not overclocked.
Could you test this fix (thanks for the stacktrace it made it pretty easy
to see what was going on):
Index: nfs_socket.c
===================================================================
RCS file: /home/ncvs/src/sys/nfs/nfs_socket.c,v
retrieving revision 1.46
diff -u -r1.46 nfs_socket.c
--- nfs_socket.c 1998/09/29 22:33:05 1.46
+++ nfs_socket.c 1998/10/21 08:55:41
@@ -2232,7 +2232,9 @@
nd->nd_dpos = mtod(m, caddr_t);
error = nfs_getreq(nd, nfsd, TRUE);
if (error) {
- FREE(nam, M_SONAME);
+ if (nam) {
+ FREE(nam, M_SONAME);
+ }
free((caddr_t)nd, M_NFSRVDESC);
return (error);
}
--
Doug Rabson Mail: dfr@nlsystems.com
Nonlinear Systems Ltd. Phone: +44 181 951 1891
Fax: +44 181 381 1039
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