Date: Mon, 30 Apr 2007 09:30:13 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb+freebsd+lor@zabbadoz.net> To: t_tolstoy@nuos.edu.ua Cc: FreeBSD ipfw mailing list <freebsd-ipfw@freebsd.org> Subject: Re: LOR report -- FreeBSD 7.0-CURRENT-200701 Message-ID: <20070430092532.O36917@maildrop.int.zabbadoz.net> In-Reply-To: <3333.192.168.30.153.1177528779.squirrel@192.168.1.2> References: <3333.192.168.30.153.1177528779.squirrel@192.168.1.2>
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On Wed, 25 Apr 2007, t_tolstoy@nuos.edu.ua wrote: Hi, Cc: freebsd-ipfw@ so people know about it. Already discussed uid/gui filtering in private. > Here is complete report about LOR that seems to leads to the network card > hang. ... > Trying to mount root from ufs:/dev/ad0s1a > lock order reversal: > 1st 0xc0ad248c IPFW static rules (IPFW static rules) @ netinet/ip_fw2.c:2641 > 2nd 0xc0ad304c udp (udp) @ netinet/ip_fw2.c:2022 > KDB: stack backtrace: > db_trace_self_wrapper(c09799e5) at db_trace_self_wrapper+0x25 > kdb_backtrace(0,ffffffff,c0a908b8,c0a92258,c0a28144,...) at > kdb_backtrace+0x29 > witness_checkorder(c0ad304c,9,c0987714,7e6) at witness_checkorder+0x586 > _mtx_lock_flags(c0ad304c,0,c098770b,7e6) at _mtx_lock_flags+0x84 > check_uidgid(c1d8b06c,11,0,201a8c0,35,...) at check_uidgid+0xdf > ipfw_chk(c7d3bb58,c1c54d00,0,0,0,...) at ipfw_chk+0xddb > ipfw_check_in(0,c7d3bc5c,c1bf1c00,1,0) at ipfw_check_in+0xca > pfil_run_hooks(c0ad2880,c7d3bcac,c1bf1c00,1,0) at pfil_run_hooks+0x7f > ip_input(c1c54d00) at ip_input+0x241 > netisr_processqueue(c0ad00b8) at netisr_processqueue+0x6e > swi_net(0) at swi_net+0x8c > ithread_execute_handlers(c1ac8b40,c1adc980) at ithread_execute_handlers+0x11e > ithread_loop(c1aa9940,c7d3bd38) at ithread_loop+0x67 > fork_exit(c06aa730,c1aa9940,c7d3bd38) at fork_exit+0xac > fork_trampoline() at fork_trampoline+0x8 > --- trap 0x1, eip = 0, esp = 0xc7d3bd6c, ebp = 0 --- I added this with LOR ID 206 to 'The LOR page' http://sources.zabbadoz.net/freebsd/lor.html#206 Seems to be related to #016. /bz -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT
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