Date: Tue, 17 Jun 2014 09:58:38 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-wireless@FreeBSD.org Subject: [Bug 191090] rsu panics when reboot Message-ID: <bug-191090-21060-JN6cTXzpIg@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-191090-21060@https.bugs.freebsd.org/bugzilla/> References: <bug-191090-21060@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=191090 --- Comment #4 from Dmitry Chagin <dchagin@FreeBSD.org> --- yet another panic, when removing rsu: rsu0: <vendor 0x0b05 product 0x1786, class 0/0, rev 2.00/2.00, addr 3> on usbus2 rsu0: MAC/BB RTL8712 cut 3 wlan1: Ethernet address: 50:46:5d:76:ef:15 ugen2.3: <vendor 0x0b05> at usbus2 (disconnected) rsu0: at uhub3, port 3, addr 3 (disconnected) Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex rsu0 (network driver) r = 0 (0xfffffe0002c330a0) locked @ /home/dchagin/head/sys/dev/usb/usb_util.c:146 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe033d2292e0 kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe033d229390 witness_warn() at witness_warn+0x4b5/frame 0xfffffe033d229450 trap_pfault() at trap_pfault+0x59/frame 0xfffffe033d2294f0 trap() at trap+0x752/frame 0xfffffe033d229840 calltrap() at calltrap+0x8/frame 0xfffffe033d229840 --- trap 0xc, rip = 0xffffffff804358fe, rsp = 0xfffffe033d229900, rbp = 0xfffffe033d229980 --- rsu_init_locked() at rsu_init_locked+0x19ce/frame 0xfffffe033d229980 rsu_ioctl() at rsu_ioctl+0xa6/frame 0xfffffe033d2299b0 taskqueue_run_locked() at taskqueue_run_locked+0xf0/frame 0xfffffe033d229a10 taskqueue_thread_loop() at taskqueue_thread_loop+0x9b/frame 0xfffffe033d229a40 fork_exit() at fork_exit+0xd9/frame 0xfffffe033d229ab0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe033d229ab0 --- trap 0, rip = 0, rsp = 0xfffffe033d229b70, rbp = 0 --- Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x0 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff804358fe stack pointer = 0x28:0xfffffe033d229900 frame pointer = 0x28:0xfffffe033d229980 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 (rsu0 net80211 taskq) -- You are receiving this mail because: You are the assignee for the bug.
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