kern/125617: [ath] ath(4) related panic
Rory Arms
rorya at TrueStep.com
Sun Aug 3 16:20:10 UTC 2008
The following reply was made to PR kern/125617; it has been noted by GNATS.
From: Rory Arms <rorya at TrueStep.com>
To: bug-followup at FreeBSD.org, rorya+freebsd.org at TrueStep.com
Cc:
Subject: Re: kern/125617: [ath] ath(4) related panic
Date: Sun, 3 Aug 2008 11:57:54 -0400
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Ok, I got another panic, which may be related to the one mentioned in
the original, simply based on how the system behaved right before it
paniced (ath0 & fxp1 suddenly giving errors). However, the code path
does seem to be different:
> sudo kgdb /boot/kernel/kernel vmcore.0 Password:
[GDB will not be able to debug user-mode threads: /usr/lib/
libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
GNU gdb 6.1.1 [FreeBSD]
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This GDB was configured as "i386-marcel-freebsd".
Unread portion of the kernel message buffer:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0xc
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc05eb700
stack pointer = 0x28:0xe4052b68
frame pointer = 0x28:0xe4052b80
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 23 (irq19: fxp1 uhci0)
trap number = 12
panic: page fault
cpuid = 1
Uptime: 15d1h16m43s
Physical memory: 1015 MB
Dumping 249 MB: 234 218 202 186 170 154 138 122 106 90 74 58 42 26 10
#0 doadump () at pcpu.h:195
195 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) bt
#0 doadump () at pcpu.h:195
#1 0xc059fbd6 in boot (howto=260) at /usr/src/sys/kern/
kern_shutdown.c:409
#2 0xc059feae in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:563
#3 0xc08190cc in trap_fatal (frame=0xe4052b28, eva=12)
at /usr/src/sys/i386/i386/trap.c:899
#4 0xc081933b in trap_pfault (frame=0xe4052b28, usermode=0, eva=12)
at /usr/src/sys/i386/i386/trap.c:812
#5 0xc0819d32 in trap (frame=0xe4052b28) at /usr/src/sys/i386/i386/
trap.c:490
#6 0xc080097b in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7 0xc05eb700 in m_copydata (m=0x0, off=0, len=140,
cp=0xc6289a74 "&_\026?,M\t7P\020") at /usr/src/sys/kern/
uipc_mbuf.c:813
#8 0xc06862b1 in ip_forward (m=0xc54bf800, srcrt=1)
at /usr/src/sys/netinet/ip_input.c:1307
#9 0xc0687922 in ip_input (m=0xc54bf800)
at /usr/src/sys/netinet/ip_input.c:610
#10 0xc0640a22 in netisr_dispatch (num=2, m=0xc54bf800)
at /usr/src/sys/net/netisr.c:185
#11 0xc0637a71 in ether_demux (ifp=0xc3bc1400, m=0xc54bf800)
at /usr/src/sys/net/if_ethersubr.c:834
#12 0xc0637e9f in ether_input (ifp=0xc3bc1400, m=0xc54bf800)
at /usr/src/sys/net/if_ethersubr.c:692
#13 0xc04c573a in fxp_intr (xsc=0xc3c52000)
at /usr/src/sys/dev/fxp/if_fxp.c:1706
---Type <return> to continue, or q <return> to quit---
#14 0xc058242b in ithread_loop (arg=0xc3bc2b10)
at /usr/src/sys/kern/kern_intr.c:1036
#15 0xc057f154 in fork_exit (callout=0xc0582260 <ithread_loop>,
arg=0xc3bc2b10, frame=0xe4052d38) at /usr/src/sys/kern/
kern_fork.c:781
#16 0xc08009f0 in fork_trampoline () at /usr/src/sys/i386/i386/
exception.s:205
(kgdb) p panicstr
$1 = 0xc08f3e00 "page fault"
(kgdb)
messages that led up to the panic:
Aug 3 10:27:35 Tserver kernel: ath0: stuck beacon; resetting (bmiss
count 4)
Aug 3 10:27:35 Tserver kernel: ath0: ath_reset: unable to reset
Aug 3 10:27:35 Tserver kernel: hardware; hal status
Aug 3 10:27:35 Tserver kernel: 3
Aug 3 10:28:00 Tserver kernel: ath0: device timeout
Aug 3 10:35:06 Tserver kernel: fxp1: SCB timeout: 0x80 0x0 0x50 0x600
Aug 3 10:35:24 Tserver last message repeated 71 times
Aug 3 10:35:28 Tserver kernel: fxp1: device timeout
Aug 3 10:35:28 Tserver kernel: fxp1: SCB timeout: 0x10 0x0 0x40 0x0
Aug 3 10:35:30 Tserver kernel: fxp1: device timeout
[[ panic happened not long after this event ]]
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