Date: Sun, 17 Dec 2006 05:15:10 +0800 From: hshh <hunreal@gmail.com> To: "LI Xin" <delphij@delphij.net> Cc: freebsd-stable@freebsd.org Subject: Re: SMP Kernel Panic while heavy load. Message-ID: <9b6b59500612161315w58d01d25n902f12e3a4f4b2b2@mail.gmail.com> In-Reply-To: <9b6b59500612150646k4f902e65qb5ef6efa86dbc7c6@mail.gmail.com> References: <9b6b59500612150001p706b361ava92ad96cdcd4791@mail.gmail.com> <45826FCA.2010709@delphij.net> <9b6b59500612150646k4f902e65qb5ef6efa86dbc7c6@mail.gmail.com>
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As LI Xin's said,
I modified sys/kern/kern_descrip.c,
[root@www] /web/dump# diff -c kern_descrip.c.bak /sys/kern/kern_descrip.c
*** kern_descrip.c.bak Sun Dec 17 05:10:51 2006
--- /sys/kern/kern_descrip.c Sun Dec 17 02:37:01 2006
***************
*** 197,202 ****
--- 197,203 ----
static int
fdisused(struct filedesc *fdp, int fd)
{
+ MPASS(fdp->fd_map != NULL);
KASSERT(fd >= 0 && fd < fdp->fd_nfiles,
("file descriptor %d out of range (0, %d)", fd, fdp->fd_nfiles));
return ((fdp->fd_map[NDSLOT(fd)] & NDBIT(fd)) != 0);
New backtrace:
http://upload.hshh.org/homes/hshh/temp/panic/kgdb-1217.log
Kernel config:
http://upload.hshh.org/homes/hshh/temp/panic/kernel-1217.log
On 12/15/06, hshh <hunreal@gmail.com> wrote:
> After recompile kernel with new conf:
> http://upload.hshh.org/homes/hshh/temp/panic/kernel-1215.log
> It still panic while SMP enabled.
> kgdb backtrace:
> http://upload.hshh.org/homes/hshh/temp/panic/kgdb-1215.log
>
> On 12/15/06, LI Xin <delphij@delphij.net> wrote:
> > hshh wrote:
> > > Hi,
> > > My FreeBSD server panic while running SMP kernel. All work fine if
> > > disable SMP feature.
> > >
> > > uname log: http://upload.hshh.org/homes/hshh/temp/panic/uname.log
> > > My kernel conf: http://upload.hshh.org/homes/hshh/temp/panic/kernel.log
> > > Backtrace log: http://upload.hshh.org/homes/hshh/temp/panic/kgdb.log
> >
> > Would you please disable ZEROCOPY_SOCKETS and try if things gets improved?
> >
> > Cheers,
> > --
> > Xin LI <delphij@delphij.net> http://www.delphij.net/
> > FreeBSD - The Power to Serve!
> >
> >
> >
> >
>
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