Date: Mon, 1 Mar 2010 11:50:27 GMT From: Alexander Kuznetsov <skritku@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: usb/144387: if_run panic Message-ID: <201003011150.o21BoRkg057294@www.freebsd.org> Resent-Message-ID: <201003011200.o21C076S065674@freefall.freebsd.org>
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>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:
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