Date: Fri, 31 Aug 2012 12:40:08 GMT From: Gleb Smirnoff <glebius@FreeBSD.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/171202: [lor] multiple LOR's during the startup Message-ID: <201208311240.q7VCe8eG014186@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
The following reply was made to PR kern/171202; it has been noted by GNATS. From: Gleb Smirnoff <glebius@FreeBSD.org> To: "Eugene M. Zheganin" <emz@norma.perm.ru> Cc: freebsd-gnats-submit@FreeBSD.org Subject: Re: kern/171202: [lor] multiple LOR's during the startup Date: Fri, 31 Aug 2012 16:30:57 +0400 On Fri, Aug 31, 2012 at 11:21:06AM +0000, Eugene M. Zheganin wrote: E> --- syscall (378, FreeBSD ELF64, sys_nmount), rip = 0x800a8d6fc, rsp = 0x7fffffffccc8, rbp = 0x801009048 --- E> lock order reversal: E> 1st 0xffffffff80d50d48 PFil hook read/write mutex (PFil hook read/write mutex) @ /usr/src/sys/net/pfil.c:77 E> 2nd 0xffffffff80d4e4f8 pcbinfohash (pcbinfohash) @ /usr/src/sys/netinet6/in6_pcb.c:1110 ... E> lock order reversal: E> 1st 0xffffffff80d50d48 PFil hook read/write mutex (PFil hook read/write mutex) @ /usr/src/sys/net/pfil.c:77 E> 2nd 0xfffffe00074ed168 udpinp (udpinp) @ /usr/src/sys/netinet6/in6_pcb.c:1121 ... Just for the record: these are safe, since pfil lock is acquired as reader lock. -- Totus tuus, Glebius.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201208311240.q7VCe8eG014186>