Date: Tue, 2 Mar 2010 21:50:03 GMT From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@FreeBSD.org Subject: Re: usb/144387: if_run panic Message-ID: <201003022150.o22Lo3QC034110@freefall.freebsd.org>
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The following reply was made to PR usb/144387; it has been noted by GNATS. From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Cc: Alexander Kuznetsov <skritku@gmail.com>, freebsd-gnats-submit@freebsd.org Subject: Re: usb/144387: if_run panic Date: Tue, 2 Mar 2010 22:44:11 +0100 On Monday 01 March 2010 12:50:27 Alexander Kuznetsov wrote: > >Number: 144387 > >Category: usb > >Synopsis: if_run panic > >Confidential: no > >Severity: non-critical > >Priority: low > >Responsible: freebsd-usb > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Mon Mar 01 12:00:06 UTC 2010 > >Closed-Date: > >Last-Modified: > >Originator: Alexander Kuznetsov > >Release: 9.0-CURRENT (both i386 and amd64) > >Organization: > >Environment: > >Description: > > if_run causes kernel panic > > run0: device timeout > panic: mutex run0 not owned at > /usr/src/sys/modules/usb/run/../../../dev/usb/wlan/run/if_run.c:3376 cpuid > = 0 > KDB: enter: panic > [ thread pid 0 tid 100068 ] > Stopped at kdb_enter+0x3d: movq $0,0x6b5b30(%rip) > db>bt > Tracing pid 0 tid 100068 td 0xffffff000252d000 > kdb_enter() at kdb_enter+0x3d > panic() at panic+0x17b > _mtx_assert() at _mtx_assert+0xdc > run_usb_timeout_cb() at run_usb_timeout_cb+0x35 > taskqueue_run() at taskqueue_run+0x91 > taskqueue_thread_loop() at taskqueue_thread_loop+0x3f > fork_exit() at fork_exit+0x12a > fork_trampoline() at fork_trampoline+0xe > --- trap 0, rip = 0, rsp = 0xffffff80001bcd30, rbp = 0 --- > db> > > >How-To-Repeat: > > # kldload if_run > # ifconfig wlan create wlandev run0 wlanmode hostap > # ifconfig wlan0 ssid test > # ifconfig wlan0 inet 192.168.0.10 > [panic after some seconds] > > >Fix: > > > > > >Release-Note: > >Audit-Trail: > >Unformatted: This is a know issue which has been fixed, but not committed to -current yet. --HPS
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