Date: Mon, 24 Jan 2011 15:20:11 GMT From: Olivier Certner <olivier.freebsd@free.fr> To: freebsd-bugs@FreeBSD.org Subject: kern/137852: [lor] LOR bufwait/dirhash Message-ID: <201101241520.p0OFKBVl052401@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
The following reply was made to PR kern/137852; it has been noted by GNATS. From: Olivier Certner <olivier.freebsd@free.fr> To: bug-followup@freebsd.org Cc: Subject: kern/137852: [lor] LOR bufwait/dirhash Date: Mon, 24 Jan 2011 16:11:44 +0100 Hi, This LOR is still present on 9.0-CURRENT-201101. Here is the backtrace: lock order reversal: 1st 0xffffff80f6d32ad8 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2659 2nd 0xfffffe0059809400 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:284 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a kdb_backtrace() at kdb_backtrace+0x37 _witness_debugger() at _witness_debugger+0x2e witness_checkorder() at witness_checkorder+0x807 _sx_xlock() at _sx_xlock+0x55 ufsdirhash_acquire() at ufsdirhash_acquire+0x33 ufsdirhash_add() at ufsdirhash_add+0x19 ufs_direnter() at ufs_direnter+0x8b4 ufs_makeinode() at ufs_makeinode+0x250 VOP_CREATE_APV() at VOP_CREATE_APV+0x8d vn_open_cred() at vn_open_cred+0x46a kern_openat() at kern_openat+0x181 syscallenter() at syscallenter+0x1aa syscall() at syscall+0x4c Xfast_syscall() at Xfast_syscall+0xe2 --- syscall (5, FreeBSD ELF64, open), rip = 0x800f6fd5c, rsp = 0x7fffffffe358, rbp = 0x124 --- Thanks, Olivier Certner
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201101241520.p0OFKBVl052401>