Date: Tue, 15 Aug 2006 17:01:20 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: Peter Holm <peter@holm.cc> Cc: current@freebsd.org Subject: Re: panic: mutex nfsd_mtx not owned at nfs_srvsock.c:148 Message-ID: <20060815165955.J45647@fledge.watson.org> In-Reply-To: <20060815154836.GA10128@peter.osted.lan> References: <20060815154836.GA10128@peter.osted.lan>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 15 Aug 2006, Peter Holm wrote: > While stress testing GENERIC HEAD from Aug 12 12:55 UTC I got this > panic: > > panic: mutex nfsd_mtx not owned at > ../../../nfsserver/nfs_srvsock.c:148 > cpuid = 2 > KDB: enter: panic > [thread pid 761 tid 100096 ] > Stopped at kdb_enter+0x2b: nop > db> where > Tracing pid 761 tid 100096 td 0xc4041a20 > kdb_enter(c091cda8) at kdb_enter+0x2b > panic(c091c0b7,c09210c9,c093241d,94,0,...) at panic+0x14b > _mtx_assert(c0a64ec0,1,c093241d,94,c07ec53c,...) at _mtx_assert+0x66 > nfs_rephead(0,c52a0600,48,e662e964,e662e968,...) at nfs_rephead+0x25 > nfsrv_symlink(c52a0600,c4071e00,c4041a20,e662ec40) at > nfsrv_symlink+0x3b7 > nfssvc_nfsd(c4041a20) at nfssvc_nfsd+0x409 > nfssvc(c4041a20,e662ed04) at nfssvc+0x18c > syscall(3b,3b,3b,1,0,...) at syscall+0x256 > > More details @ http://people.freebsd.org/~pho/stress/log/cons204.html Could you use gdb to generate frame debugging information for the frame above nfs_rephead() (nfsrv_symlink()) also, please? I'm a bit puzzled as to how things got into this state, as under normal circumstances, nfsm_reply() is the source of the nfs_rephead() call, and the NFS mutex is acquired the line before the call to nfsm_reply(). Thanks, Robert N M Watson Computer Laboratory University of Cambridge
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20060815165955.J45647>