On 10/07/11 12:26, Rene Ladan wrote:
Hi,
just experienced a panic with if_iwn on 9.0-BETA3-amd64 (base and
kernel compiled with clang, CPUTYPE?=core2, GENERIC with CAPABILITIES).
My network card: iwn0:Intel(R) WiFi Link 5100 mem
0xf520-0xf5201fff irq 17 at device 0.0 on pci3
iwn0: flags=8803UP,BROADCAST,SIMPLEX,MULTICAST metric 0 mtu 2290
ether 00:26:c6:xx:xx:xx
nd6 options=29PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL
media: IEEE 802.11 Wireless Ethernet autoselect mode 11b
status: associated
Some snippets from /var/crash/core.txt.24 :
Unread portion of the kernel message buffer:
Kernel page fault with the following non-sleepable locks held:
exclusive sleep mutex iwn0 (network driver) r = 0 (0xff8000882018)
locked @ /usr/src/9/sys/dev/iwn/if_iwn.c:3135
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b
kdb_backtrace() at kdb_backtrace+0x39
witness_warn() at witness_warn+0x438
trap() at trap+0x14c
calltrap() at calltrap+0x8
--- trap 0xc, rip = 0x804fd1c7, rsp = 0xff811850a9d0, rbp =
0xff811850aa30 ---
iwn_ampdu_tx_done() at iwn_ampdu_tx_done+0xa7
iwn_notif_intr() at iwn_notif_intr+0x523
iwn_intr() at iwn_intr+0x60c
intr_event_execute_handlers() at intr_event_execute_handlers+0x7e
ithread_loop() at ithread_loop+0xf0
fork_exit() at fork_exit+0x80
fork_trampoline() at fork_trampoline+0xe
--- trap 0, rip = 0, rsp = 0xff811850ad00, rbp = 0 ---
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0xa
fault code = supervisor read data, page not present
instruction pointer = 0x20:0x804fd1c7
stack pointer = 0x28:0xff811850a9d0
frame pointer = 0x28:0xff811850aa30
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 12 (irq259: iwn0)
trap number = 12
panic: page fault
cpuid = 0
Uptime: 1h23m24s
Dumping 692 out of 4055 MB:..3%..12%..21%..31%..42%..51%..61%..72%..81%..91%
No symbol dumptid in current context.
[...]
#0 sched_switch (td=dwarf2_read_address: Corrupted DWARF expression.
) at /usr/src/9/sys/kern/sched_ule.c:1854
1854/usr/src/9/sys/kern/sched_ule.c: No such file or directory.
in /usr/src/9/sys/kern/sched_ule.c
(kgdb) #0 sched_switch (td=dwarf2_read_address: Corrupted DWARF expression.
) at /usr/src/9/sys/kern/sched_ule.c:1854
#1 0x807f23c9 in mi_switch (flags=dwarf2_read_address:
Corrupted DWARF expression.
)
at /usr/src/9/sys/kern/kern_synch.c:448
#2 0x in ?? ()
#3 0xff811c0367d0 in ?? ()
#4 0x0046 in ?? ()
#5 0xff811c036810 in ?? ()
#6 0x807c2075 in intr_event_handle (ie=dwarf2_read_address:
Corrupted DWARF expression.
)
at /usr/src/9/sys/kern/kern_intr.c:1476
Previous frame inner to this frame (corrupt stack?)
[...]
More information upon request.
Regards,
René
This might or might not be related, but, I'm having trouble with the iwn
firmware crashing. I also have a clang built kernel (and userland)
buildwith CPUTYPE=core2. My iwn device is
iwn0: Intel(R) Wireless WiFi Link 4965 mem 0xe400-0xe4001fff irq
17 at device 0.0 on pci16
and the firmware gives the following output when it dies.
iwn0: iwn_intr: fatal firmware error
firmware error log:
error type = NMI_INTERRUPT_WDG (0x0004)
program counter = 0x046C
source line = 0x00D0
error data = 0x00020743
branch link = 0x837004C2
interrupt link = 0x06DA18B8
time= 1052095
driver status:
tx ring 0: qid=0 cur=246 queued=0
tx ring 1: qid=1 cur=0 queued=0
tx ring 2: qid=2 cur=0 queued=0
tx ring 3: qid=3 cur=13 queued=0
tx ring 4: qid=4 cur=183 queued=0
tx ring 5: qid=5 cur=0 queued=0
tx ring 6: qid=6 cur=0 queued=0
tx ring 7: qid=7 cur=0 queued=0
tx ring 8: qid=8 cur=0 queued=0
tx ring 9: qid=9 cur=0 queued=0
tx ring 10: qid=10 cur=0 queued=0
tx ring 11: qid=11 cur=0 queued=0
tx ring 12: qid=12 cur=0 queued=0
tx ring 13: qid=13 cur=0 queued=0
tx ring 14: qid=14 cur=0 queued=0
tx ring 15: qid=15 cur=0 queued=0
rx ring: cur=38
The only way to restore the firmware is to reboot the computer.
Regards!
--
Niclas Zeising
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