Date: Mon, 22 Feb 2010 00:05:42 +0000 From: Marcin Cieslak <saper@saper.info> To: current@FreeBSD.org Cc: bzeeb+freebsd+lor@zabbadoz.net Subject: LOR: if_wpi.c Message-ID: <alpine.BSF.2.00.1002220004310.36922@x.fncre.vasb>
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r203753, amd64 lock order reversal: 1st 0xffffff80003ad018 wpi0_com_lock (wpi0_com_lock) @ /usr/src/sys/modules/wpi/../../dev/wpi/if_wpi.c:1292 2nd 0xffffff00034f4010 wpi0 (network driver) @ /usr/src/sys/modules/wpi/../../dev/wpi/if_wpi.c:2069 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a _witness_debugger() at _witness_debugger+0x49 witness_checkorder() at witness_checkorder+0x7ea _mtx_lock_flags() at _mtx_lock_flags+0x68 wpi_raw_xmit() at wpi_raw_xmit+0x68 ieee80211_send_mgmt() at ieee80211_send_mgmt+0x49c sta_newstate() at sta_newstate+0x42b wpi_newstate() at wpi_newstate+0xe3 ieee80211_newstate_cb() at ieee80211_newstate_cb+0xac taskqueue_run() at taskqueue_run+0x90 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 = 0xffffff8000183d30, rbp = 0 --- --Marcin
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