Date: Mon, 5 Dec 2011 07:44:28 -0600 From: Chuck Burns <break19@gmail.com> To: "Andrey V. Elsukov" <ae@freebsd.org> Cc: freebsd-net@freebsd.org, Adrian Chadd <adrian@freebsd.org> Subject: Re: [urtw] Wifi link dying randomly. reboot required to reconnect. Message-ID: <CAE2yjrrdoD2tuiVcKM4x686b3OZMVOYj6BBA8rU%2BSJ_Qt1VGRA@mail.gmail.com> In-Reply-To: <4EDCA970.4050109@FreeBSD.org> References: <201110042008.48915.break19@gmail.com> <201110071816.17335.break19@gmail.com> <CAJ-Vmok3m4jZ3CKwVajDdo-8wfN0niocNdjWcQWawof6QyZ0aw@mail.gmail.com> <201110071936.50071.break19@gmail.com> <CAJ-Vmo=tng00vkd91jhodaiJtnZCktUyKEhqCMik3zcJFuS4eg@mail.gmail.com> <CAE2yjroY%2BA3g6%2BVVP6ZeEDArVyjj0KVZCMK4mgg2MXQZnwvjZg@mail.gmail.com> <1322792905.1975.3.camel@esl.kevlo.org> <4ED846C1.5040109@gmail.com> <4EDC32F5.3020205@gmail.com> <CAJ-Vmo=BF3nbAZcYQKHpoAkYjHM09LozXCLB0yxkDO5HdFo8_g@mail.gmail.com> <4EDCA970.4050109@FreeBSD.org>
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freebeast dumped core - see /var/crash/vmcore.0
Sun Dec =A04 14:58:49 CST 2011
FreeBSD freebeast 10.0-CURRENT FreeBSD 10.0-CURRENT #4 r228221: Sat
Dec =A03 09:10:37 CST 2011
toor@freebeast:/usr/obj/usr/src/sys/GENERIC =A0amd64
panic:
GNU gdb 6.1.1 [FreeBSD]Copyright 2004 Free Software Foundation,
Inc.GDB is free software, covered by the GNU General Public License,
and you arewelcome to change it and/or distribute copies of it under
certain conditions.Type "show copying" to see the conditions.There is
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GDB was configured as "amd64-marcel-freebsd"...
Unread portion of the kernel message buffer:Fatal trap 9: general
protection fault while in kernel modecpuid =3D 1; apic id =3D
01instruction pointer =A0 =A0 =3D 0x20:0xffffffff8092f692stack pointer
=A0 =A0 =3D 0x28:0xffffff808fc149c0frame pointer =A0 =A0 =A0 =A0 =A0 =3D
0x28:0xffffff808fc149e0code segment =A0 =A0 =A0 =A0 =A0 =A0=3D base 0x0, li=
mit
0xfffff, type 0x1b=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =3D DPL 0=
, pres 1, long 1,
def32 0, gran 1processor eflags =A0 =A0 =A0 =A0=3D interrupt enabled, resum=
e,
IOPL =3D 0current process =A0 =A0 =A0 =A0 =3D 15 (usbus2)
Fatal trap 9: general protection fault while in kernel modecpuid =3D 1;
apic id =3D 01instruction pointer =3D 0x20:0xffffffff8092f692
stack pointer =3D 0x28:0xffffff808fc149c0
frame pointer =3D 0x28:0xffffff808fc149e0
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 15 (usbus2)
Fatal trap 9: general protection fault while in kernel mode
cpuid =3D 1; apic id =3D 01
instruction pointer =3D 0x20:0xffffffff8092f692
stack pointer =3D 0x28:0xffffff808fc149c0
frame pointer =3D 0x28:0xffffff808fc149e0
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 15 (usbus2)
Fatal trap 9: general protection fault while in kernel mode
cpuid =3D 1; apic id =3D 01
instruction pointer =3D 0x20:0xffffffff8092f692
stack pointer =3D 0x28:0xffffff808fc149c0
frame pointer =3D 0x28:0xffffff808fc149e0
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 15 (usbus2)
Fatal trap 9: general protection fault while in kernel mode
cpuid =3D 1; apic id =3D 01
instruction pointer =3D 0x20:0xffffffff8092f692
stack pointer =3D 0x28:0xffffff808fc149c0
frame pointer =3D 0x28:0xffffff808fc149e0
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 15 (usbus2)
Fatal trap 9: general protection fault while in kernel mode
cpuid =3D 1; apic id =3D 01
instruction pointer =3D 0x20:0xffffffff8092f692
stack pointer =3D 0x28:0xffffff808fc149c0
frame pointer =3D 0x28:0xffffff808fc149e0
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 15 (usbus2)
Reading symbols from /boot/kernel/vesa.ko...Reading symbols from
/boot/kernel/vesa.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/vesa.ko
Reading symbols from /boot/kernel/zfs.ko...Reading symbols from
/boot/kernel/zfs.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/zfs.ko
Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols
from /boot/kernel/opensolaris.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/opensolaris.ko
Reading symbols from /boot/kernel/amdtemp.ko...Reading symbols from
/boot/kernel/amdtemp.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/amdtemp.ko
Reading symbols from /boot/kernel/linprocfs.ko...Reading symbols from
/boot/kernel/linprocfs.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linprocfs.ko
Reading symbols from /boot/kernel/linux.ko...Reading symbols from
/boot/kernel/linux.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linux.ko
Reading symbols from /boot/modules/nvidia.ko...done.
Loaded symbols for /boot/modules/nvidia.ko
#0 doadump (textdump=3D0) at /usr/src/sys/kern/kern_shutdown.c:261
261 if (textdump && textdump_pending) {
(kgdb) #0 doadump (textdump=3D0) at /usr/src/sys/kern/kern_shutdown.c:261
#1 0xffffffff802f5ea0 in db_dump (dummy=3DVariable "dummy" is not availabl=
e.
)
at /usr/src/sys/ddb/db_command.c:537
#2 0xffffffff802f5491 in db_command (last_cmdp=3D0xffffffff81105ae0,
cmd_table=3DVariable "cmd_table" is not available.
) at /usr/src/sys/ddb/db_command.c:448
#3 0xffffffff802f56e0 in db_command_loop ()
at /usr/src/sys/ddb/db_command.c:501
#4 0xffffffff802f7849 in db_trap (type=3DVariable "type" is not available.
) at /usr/src/sys/ddb/db_main.c:229
#5 0xffffffff8086f191 in kdb_trap (type=3D9, code=3D0, tf=3D0xffffff808fc1=
4910)
at /usr/src/sys/kern/subr_kdb.c:625
#6 0xffffffff80b233fd in trap_fatal (frame=3D0xffffff808fc14910,
eva=3DVariable "eva" is not available.
)
at /usr/src/sys/amd64/amd64/trap.c:814
#7 0xffffffff80b238ac in trap (frame=3D0xffffff808fc14910)
at /usr/src/sys/amd64/amd64/trap.c:617
#8 0xffffffff80b0dc0f in calltrap ()
at /usr/src/sys/amd64/amd64/exception.S:228
#9 0xffffffff8092f692 in node_free (ni=3D0xffffff8003565000)
at ieee80211_ratectl.h:84
#10 0xffffffff8071634b in urtw_free_data_list (sc=3DVariable "sc" is not
available.
)
at /usr/src/sys/dev/usb/wlan/if_urtw.c:989
#11 0xffffffff8071bf75 in urtw_detach (dev=3D0xfffffe0005b22a00)
at /usr/src/sys/dev/usb/wlan/if_urtw.c:957
#12 0xffffffff80868d54 in device_detach (dev=3D0xfffffe0005b22a00)
at device_if.h:214
#13 0xffffffff806df6a8 in usb_detach_device (udev=3D0xfffffe0005b19000,
iface_index=3D32 ' ', flag=3DVariable "flag" is not available.
) at /usr/src/sys/dev/usb/usb_device.c:1062
#14 0xffffffff806dffc4 in usb_unconfigure (udev=3D0xfffffe0005b19000,
flag=3DVariable "flag" is not available.
)
at /usr/src/sys/dev/usb/usb_device.c:455
#15 0xffffffff806e02a6 in usb_free_device (udev=3D0xfffffe0005b19000,
flag=3DVariable "flag" is not available.
)
at /usr/src/sys/dev/usb/usb_device.c:2089
#16 0xffffffff806e86fe in uhub_explore (udev=3D0xfffffe0005b17000)
at /usr/src/sys/dev/usb/usb_hub.c:356
#17 0xffffffff806d3a30 in usb_bus_explore (pm=3DVariable "pm" is not availa=
ble.
)
at /usr/src/sys/dev/usb/controller/usb_controller.c:259
#18 0xffffffff806ec2e3 in usb_process (arg=3DVariable "arg" is not availabl=
e.
)
at /usr/src/sys/dev/usb/usb_process.c:174
#19 0xffffffff8080c7b5 in fork_exit (
callout=3D0xffffffff806ec220 <usb_process>, arg=3D0xffffff8000764db0,
frame=3D0xffffff808fc14c50) at /usr/src/sys/kern/kern_fork.c:995
#20 0xffffffff80b0e13e in fork_trampoline ()
at /usr/src/sys/amd64/amd64/exception.S:602
#21 0x0000000000000000 in ?? ()
#22 0x0000000000000000 in ?? ()
#23 0x0000000000000001 in ?? ()
#24 0x0000000000000000 in ?? ()
#25 0x0000000000000000 in ?? ()
#26 0x0000000000000000 in ?? ()
#27 0x0000000000000000 in ?? ()
#28 0x0000000000000000 in ?? ()
#29 0x0000000000000000 in ?? ()
#30 0x0000000000000000 in ?? ()
#31 0x0000000000000000 in ?? ()
#32 0x0000000000000000 in ?? ()
#33 0x0000000000000000 in ?? ()
#34 0x0000000000000000 in ?? ()
#35 0x0000000000000000 in ?? ()
#36 0x0000000000000000 in ?? ()
#37 0x0000000000000000 in ?? ()
#38 0x0000000000000000 in ?? ()
#39 0x0000000000000000 in ?? ()
#40 0x0000000000000000 in ?? ()
#41 0x0000000000000000 in ?? ()
#42 0x0000000000000000 in ?? ()
#43 0x0000000000000000 in ?? ()
#44 0x0000000000000000 in ?? ()
#45 0xffffffff8115ba40 in tdq_cpu ()
#46 0x0000000000000000 in ?? ()
#47 0xffffffff8115ba00 in tdq_cpu ()
#48 0xfffffe00026d18c0 in ?? ()
#49 0xffffff808fc142b0 in ?? ()
#50 0xffffff808fc14258 in ?? ()
#51 0xfffffe0005805460 in ?? ()
#52 0xffffffff80861e9b in sched_switch (td=3D0xffffff8000764db0,
newtd=3D0xffffffff806ec220, flags=3DVariable "flags" is not available.
) at /usr/src/sys/kern/sched_ule.c:1853
Previous frame inner to this frame (corrupt stack?)
(kgdb)
------------------------------------------------------------------------
ipcs -a
Message Queues:
T ID KEY MODE OWNER GROUP CREATOR
CGROUP CBYTES QNUM
QBYTES LSPID LRPID STIME RTIME CTIME
Shared Memory:
T ID KEY MODE OWNER GROUP CREATOR
CGROUP NATTCH SEGSZ CPID LPID ATIME
DTIME CTIME
m 131073 0 --rw------- break19 break19 break19
break19 2 393216 30956 8510 7:32:49
7:45:24 7:32:49
Semaphores:
T ID KEY MODE OWNER GROUP CREATOR
CGROUP NSEMS OTIME CTIME
s 196608 1953729362 --rw------- break19 break19 break19
break19 1 22:49:26 22:46:45
------------------------------------------------------------------------
ipcs -T
msginfo:
msgmax: 16384 (max characters in a message)
msgmni: 40 (# of message queues)
msgmnb: 2048 (max characters in a message queue)
msgtql: 40 (max # of messages in system)
msgssz: 8 (size of a message segment)
msgseg: 2048 (# of message segments in system)
shminfo:
shmmax: 536870912 (max shared memory segment size)
shmmin: 1 (min shared memory segment size)
shmmni: 192 (max number of shared memory identifiers)
shmseg: 128 (max shared memory segments per process)
shmall: 131072 (max amount of shared memory in pages)
seminfo:
semmni: 50 (# of semaphore identifiers)
semmns: 340 (# of semaphores in system)
semmnu: 150 (# of undo structures in system)
semmsl: 340 (max # of semaphores per id)
semopm: 100 (max # of operations per semop call)
semume: 50 (max # of undo entries per process)
semusz: 632 (size in bytes of undo structure)
semvmx: 32767 (semaphore maximum value)
semaem: 16384 (adjust on exit max value)
------------------------------------------------------------------------
Hope that is enough info.
2011/12/5 Andrey V. Elsukov <ae@freebsd.org>:
> On 05.12.2011 9:29, Adrian Chadd wrote:
>> Hi,
>>
>> Can you please just fire up kgdb and get a backtrace from the core?
>
> There should be core.X.txt file, usually it already has a backtrace.
>
> --
> WBR, Andrey V. Elsukov
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