Date: Mon, 17 Mar 2003 20:00:03 -0500 (EST) From: Jeff Roberson <jroberson@chesapeake.net> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: freebsd-current@FreeBSD.ORG Subject: Re: nfs panic: lockmgr: locking against myself Message-ID: <20030317195946.W66343-100000@mail.chesapeake.net> In-Reply-To: <15990.28152.594563.16107@grasshopper.cs.duke.edu>
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On Mon, 17 Mar 2003, Andrew Gallatin wrote:
>
> I'm seeing the following panic under heavy NFS client usage on an SMP
> w/kernel sources from Weds. evening. Has this been fixed?
>
> Thanks,
>
> Drew
I believe that is fixed in nfs_vnops.c 1.200.
>
> panic: lockmgr: locking against myself
> cpuid = 0; lapic.id = 00000000
> Debugger("panic")
> Stopped at Debugger+0x55: xchgl %ebx,in_Debugger.0
> db> t
> Debugger(c0355e8c,0,c0354b5c,d8e2793c,1) at Debugger+0x55
> panic(c0354b5c,0,c0354b22,ef,c41d6400) at panic+0x11f
> lockmgr(ce6abce4,2090022,c470136c,c41d6400,26b) at lockmgr+0x491
> BUF_TIMELOCK(ce6abc18,10022,c470136c,c035d2bf,0) at BUF_TIMELOCK+0x80
> nfs_flush(c470136c,c443e480,1,c41d6400,1) at nfs_flush+0x607
> nfs_fsync(d8e27a9c,0,c035a68f,45a,c1df8858) at nfs_fsync+0x31
> vinvalbuf(c470136c,1,c443e480,c41d6400,0) at vinvalbuf+0xe4
> nfs_vinvalbuf(c470136c,1,c443e480,c41d6400,1) at nfs_vinvalbuf+0x191
> nfs_setattr(d8e27b60,20002,c41d6400,0,0) at nfs_setattr+0x1f5
> setutimes(c41d6400,c470136c,d8e27ca8,2,0) at setutimes+0x1c4
> kern_utimes(c41d6400,bfbff8e8,0,bfbfece0,0) at kern_utimes+0x9c
> utimes(c41d6400,d8e27d10,c03667a3,404,2) at utimes+0x31
> syscall(2f,2f,2f,bfbff8e8,4) at syscall+0x24e
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (138, FreeBSD ELF32, utimes), eip = 0x8049e8f, esp = 0xbfbfecbc, ebp = 0xbfbfed08 ---
> db>
>
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