Date: Thu, 29 Dec 2005 00:32:15 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: Goran Gajic <ggajic@afrodita.rcub.bg.ac.yu> Cc: freebsd-current@www.freebsd.org Subject: Re: LOR+PANIC in 7.0-CURRENT Message-ID: <20051229003048.Q1898@maildrop.int.zabbadoz.net> In-Reply-To: <Pine.LNX.4.63.0512272241020.21806@afrodita.rcub.bg.ac.yu> References: <Pine.LNX.4.63.0512272241020.21806@afrodita.rcub.bg.ac.yu>
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On Tue, 27 Dec 2005, Goran Gajic wrote: Hi, > lock order reversal: (sleepable after non-sleepable) > 1st 0xc2b77498 inp (tcpinp) @ netinet/tcp_input.c:743 > 2nd 0xc0967ec4 user map (user map) @ vm/vm_map.c:2993 > KDB: stack backtrace: > kdb_backtrace(0,ffffffff,c0977848,c0977488,c092ad8c) at kdb_backtrace+0x29 > witness_checkorder(c0967ec4,9,c08b631d,bb1) at witness_checkorder+0x580 > _sx_xlock(c0967ec4,c08b6314,bb1) at _sx_xlock+0x50 > _vm_map_lock_read(c0967e80,c08b6314,bb1,216da80,c216c6ec) at > _vm_map_lock_read+0x33 > vm_map_lookup(cbfd9888,0,2,cbfd988c,cbfd987c) at vm_map_lookup+0x28 > vm_fault(c0967e80,0,2,8,c216da80) at vm_fault+0x65 > trap_pfault(cbfd99a4,0,44) at trap_pfault+0xee > trap(c2160008,cbfd0028,c0690028,44,c28baa63) at trap+0x3cd > calltrap() at calltrap+0x5 > --- trap 0xc, eip = 0xc0829b36, esp = 0xcbfd99e4, ebp = 0xcbfd9a14 --- the LOR seems to be a result of the trap. Nonetheless I have added it with ID 175 http://sources.zabbadoz.net/freebsd/lor.html#175 to the LOR page. -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT
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