Date: Mon, 21 Apr 2014 08:13:13 -0400 From: Anthony Jenkins <Scoobi_doo@yahoo.com> To: freebsd-wireless@freebsd.org Subject: urtwn panic Message-ID: <53550B59.6020103@yahoo.com>
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I'm getting a panic with the latest kernel (r264719) and the if_urtwn
driver. I have a coredump available to triage.
[root@ajenkins-hplaptop /usr/src]# kgdb
/usr/obj/usr/src/sys/MYKERNEL/kernel.debug /var/crash/vmcore.last
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This GDB was configured as "amd64-marcel-freebsd"...
Unread portion of the kernel message buffer:
Sleeping on "fwload" with the following non-sleepable locks held:
exclusive sleep mutex urtwn0 (network driver) r = 0 (0xfffffe00175fe348)
locked @ /usr/src/sys/dev/usb/usb_request.c:722
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
0xfffffe0447e095e0
kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe0447e09690
witness_warn() at witness_warn+0x4b5/frame 0xfffffe0447e09750
_sleep() at _sleep+0x70/frame 0xfffffe0447e097f0
firmware_get() at firmware_get+0x13a/frame 0xfffffe0447e09850
urtwn_init_locked() at urtwn_init_locked+0x18cd/frame 0xfffffe0447e09910
urtwn_ioctl() at urtwn_ioctl+0x12a/frame 0xfffffe0447e09960
taskqueue_run_locked() at taskqueue_run_locked+0xf0/frame 0xfffffe0447e099c0
taskqueue_thread_loop() at taskqueue_thread_loop+0x9b/frame
0xfffffe0447e099f0
fork_exit() at fork_exit+0x84/frame 0xfffffe0447e09a30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0447e09a30
--- trap 0, rip = 0, rsp = 0xfffffe0447e09af0, rbp = 0 ---
Sleeping thread (tid 100892, pid 0) owns a non-sleepable lock
KDB: stack backtrace of thread 100892:
sched_switch() at sched_switch+0x47f/frame 0xfffffe0447e096a0
mi_switch() at mi_switch+0x179/frame 0xfffffe0447e096e0
sleepq_switch() at sleepq_switch+0x152/frame 0xfffffe0447e09720
sleepq_wait() at sleepq_wait+0x43/frame 0xfffffe0447e09750
_sleep() at _sleep+0x366/frame 0xfffffe0447e097f0
firmware_get() at firmware_get+0x13a/frame 0xfffffe0447e09850
urtwn_init_locked() at urtwn_init_locked+0x18cd/frame 0xfffffe0447e09910
urtwn_ioctl() at urtwn_ioctl+0x12a/frame 0xfffffe0447e09960
taskqueue_run_locked() at taskqueue_run_locked+0xf0/frame 0xfffffe0447e099c0
taskqueue_thread_loop() at taskqueue_thread_loop+0x9b/frame
0xfffffe0447e099f0
fork_exit() at fork_exit+0x84/frame 0xfffffe0447e09a30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0447e09a30
--- trap 0, rip = 0, rsp = 0xfffffe0447e09af0, rbp = 0 ---
panic: sleeping thread
cpuid = 3
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
0xfffffe0447e814b0
kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe0447e81560
vpanic() at vpanic+0x124/frame 0xfffffe0447e815a0
panic() at panic+0x43/frame 0xfffffe0447e81600
propagate_priority() at propagate_priority+0x2fd/frame 0xfffffe0447e81640
turnstile_wait() at turnstile_wait+0x34f/frame 0xfffffe0447e81690
__mtx_lock_sleep() at __mtx_lock_sleep+0x1b6/frame 0xfffffe0447e81710
__mtx_lock_flags() at __mtx_lock_flags+0x102/frame 0xfffffe0447e81760
urtwn_ioctl() at urtwn_ioctl+0x41/frame 0xfffffe0447e817b0
ifioctl() at ifioctl+0x8f5/frame 0xfffffe0447e81870
kern_ioctl() at kern_ioctl+0x22b/frame 0xfffffe0447e818d0
sys_ioctl() at sys_ioctl+0x13c/frame 0xfffffe0447e81920
amd64_syscall() at amd64_syscall+0x25a/frame 0xfffffe0447e81a30
Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe0447e81a30
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x800fa342a, rsp =
0x7fffffffdc88, rbp = 0x7fffffffe500 ---
KDB: enter: panic
Reading symbols from /boot/kernel/zfs.ko.symbols...done.
Loaded symbols for /boot/kernel/zfs.ko.symbols
Reading symbols from /boot/kernel/opensolaris.ko.symbols...done.
Loaded symbols for /boot/kernel/opensolaris.ko.symbols
...
#0 doadump (textdump=0) at pcpu.h:219
219 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) where
#0 doadump (textdump=0) at pcpu.h:219
#1 0xffffffff802fb8ae in db_dump (dummy=<value optimized out>, dummy2=0,
dummy3=0, dummy4=0x0) at /usr/src/sys/ddb/db_command.c:543
#2 0xffffffff802fb34d in db_command (cmd_table=0x0)
at /usr/src/sys/ddb/db_command.c:449
#3 0xffffffff802fb0c4 in db_command_loop ()
at /usr/src/sys/ddb/db_command.c:502
#4 0xffffffff802fda90 in db_trap (type=<value optimized out>, code=0)
at /usr/src/sys/ddb/db_main.c:231
#5 0xffffffff80628289 in kdb_trap (type=3, code=0, tf=<value optimized
out>)
at /usr/src/sys/kern/subr_kdb.c:656
#6 0xffffffff808ad8ae in trap (frame=0xfffffe0447e81490)
at /usr/src/sys/amd64/amd64/trap.c:573
#7 0xffffffff80892262 in calltrap ()
at /usr/src/sys/amd64/amd64/exception.S:231
#8 0xffffffff806279ee in kdb_enter (why=0xffffffff809d5a90 "panic",
msg=<value optimized out>) at cpufunc.h:63
#9 0xffffffff805f0594 in vpanic (fmt=<value optimized out>,
ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:749
#10 0xffffffff805f0603 in panic (fmt=0xffffffff80d41e50 "\004")
at /usr/src/sys/kern/kern_shutdown.c:685
#11 0xffffffff8063ab6d in propagate_priority (td=<value optimized out>)
at /usr/src/sys/kern/subr_turnstile.c:226
---Type <return> to continue, or q <return> to quit---
#12 0xffffffff8063b43f in turnstile_wait (ts=0xfffff801253a56c0,
owner=<value optimized out>, queue=0)
at /usr/src/sys/kern/subr_turnstile.c:742
#13 0xffffffff805dbb76 in __mtx_lock_sleep (c=0xfffffe00175fe360,
tid=18446735283083894784, opts=<value optimized out>,
file=<value optimized out>, line=<value optimized out>)
at /usr/src/sys/kern/kern_mutex.c:508
#14 0xffffffff805db912 in __mtx_lock_flags (c=<value optimized out>,
opts=0,
file=0xffffffff81ab33e8
"/usr/src/sys/modules/usb/urtwn/../../../dev/usb/wlan/if_urtwn.c",
line=1787) at /usr/src/sys/kern/kern_mutex.c:223
#15 0xffffffff81aa9b51 in urtwn_ioctl (ifp=0xfffff80125a3e800,
cmd=3223349575,
data=0xfffff80011577780 "urtwn0")
at /usr/src/sys/modules/usb/urtwn/../../../dev/usb/wlan/if_urtwn.c:1787
#16 0xffffffff806bad65 in ifioctl (so=0xfffff80192990828, cmd=3223349575,
data=0xfffff80011577780 "urtwn0", td=0xfffff80145e16000)
at /usr/src/sys/net/if.c:2465
#17 0xffffffff80648c5b in kern_ioctl (td=<value optimized out>,
fd=<value optimized out>, com=<value optimized out>) at file.h:323
#18 0xffffffff806489dc in sys_ioctl (td=0xfffff80145e16000,
uap=0xfffffe0447e819c0) at /usr/src/sys/kern/sys_generic.c:702
#19 0xffffffff808ae78a in amd64_syscall (td=0xfffff80145e16000, traced=0)
at subr_syscall.c:133
#20 0xffffffff8089254b in Xfast_syscall ()
---Type <return> to continue, or q <return> to quit---
at /usr/src/sys/amd64/amd64/exception.S:390
#21 0x0000000800fa342a in ?? ()
Previous frame inner to this frame (corrupt stack?)
Current language: auto; currently minimal
(kgdb)
Anthony Jenkins
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