Date: Mon, 16 Aug 2010 21:05:14 +0400 From: pluknet <pluknet@gmail.com> To: FreeBSD Current <freebsd-current@freebsd.org> Subject: LOR on nfs: vfs_vnops.c:301 kern_descrip.c:1580 Message-ID: <AANLkTimJ=d06D2z24QyRQ98zEa1Pemk4=vkNGLNiX90N@mail.gmail.com>
next in thread | raw e-mail | index | archive | help
Hi. Seeing on mostly idle, recently updated current, while closing a file. Presumably never reported on ML. lock order reversal: 1st 0xffffff00198199f8 nfs (nfs) @ /usr/src/sys/kern/vfs_vnops.c:301 2nd 0xffffff000234a048 filedesc structure (filedesc structure) @ /usr/src/sys/kern/kern_descrip.c:1580 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a _witness_debugger() at _witness_debugger+0x2e witness_checkorder() at witness_checkorder+0x807 _sx_xlock() at _sx_xlock+0x55 fdinit() at fdinit+0x5b fdcopy() at fdcopy+0x2a fork1() at fork1+0x836 kproc_create() at kproc_create+0x63 nfs_nfsiodnew() at nfs_nfsiodnew+0xd7 nfs_asyncio() at nfs_asyncio+0xa6 nfs_strategy() at nfs_strategy+0x83 bufstrategy() at bufstrategy+0x43 nfs_writebp() at nfs_writebp+0xcf nfs_flush() at nfs_flush+0x1dc nfs_close() at nfs_close+0x213 vn_close() at vn_close+0x10e vn_closefile() at vn_closefile+0x5a _fdrop() at _fdrop+0x23 closef() at closef+0x5b kern_close() at kern_close+0x110 syscallenter() at syscallenter+0x1aa syscall() at syscall+0x4c Xfast_syscall() at Xfast_syscall+0xe2 --- syscall (6, FreeBSD ELF64, close), rip = 0x80089830c, rsp = 0x7fffffffea88, rbp = 0 --- -- wbr, pluknet
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?AANLkTimJ=d06D2z24QyRQ98zEa1Pemk4=vkNGLNiX90N>