Date: Tue, 1 Aug 2006 14:29:42 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-hackers@freebsd.org Cc: =?utf-8?q?Jos=C3=A9_M=2E?= =?utf-8?q?_Fandi=C3=B1o?= <freebsd4@fadesa.es> Subject: Re: ural(4) and panic on sleeping thread (6.1-R) Message-ID: <200608011429.42407.jhb@freebsd.org> In-Reply-To: <44CF7A28.6020704@fadesa.es> References: <44CF7A28.6020704@fadesa.es>
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On Tuesday 01 August 2006 11:58, Jos=C3=A9 M. Fandi=C3=B1o wrote: > Hello, >=20 > I get a panic each time I try to create an access point > with the ural driver. >=20 > only by running this commands the machine panic: > kldload bridge > sysctl net.link.ether.bridge.enable=3D1 > net.link.ether.bridge_cfg=3D"rl0,ural0" >=20 > I'm not very familiarized with 'kgdb' so if some developper > gets interested in this panic I can execute all commands > they are interested in. >=20 > thank you. >=20 > # kgdb -c /var/crash/vmcore.3 /usr/obj/usr/src/sys/GENERIC/kernel.debug > [GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.s= o:=20 Undefined symbol "ps_pglobal_lookup"] > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you = are > welcome to change it and/or distribute copies of it under certain=20 conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for detail= s. > This GDB was configured as "i386-marcel-freebsd". >=20 > Unread portion of the kernel message buffer: > <6>rl0: promiscuous mode enabled > Sleeping thread (tid 100079, pid 783) owns a non-sleepable lock > panic: sleeping thread In kgdb, do 'proc 783', and then 'where' to get a stack trace of the thread= =20 that did the wrong thing. (The thread that panics is just an innocent=20 victim that bumped into the miscreant.) =2D-=20 John Baldwin
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