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Date:      Thu, 29 Oct 2009 06:52:34 -0700
From:      Mark Atkinson <atkin901@yahoo.com>
To:        freebsd-net@freebsd.org
Subject:   Re: kern/124127: [msk] watchdog timeout (missed Tx interrupts) -- recovering
Message-ID:  <hcc6n3$761$1@ger.gmane.org>
In-Reply-To: <200910290010.n9T0A3cV083541@freefall.freebsd.org>
References:  <200910290010.n9T0A3cV083541@freefall.freebsd.org>

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Wow, not sure what to blame for that charset nightmare.  Apologies.
Here's the original message:

On the unpatched -current kernel, built

FreeBSD hellfire.filament.org 9.0-CURRENT FreeBSD 9.0-CURRENT #14: Mon
Oct 19 09:12:03 PDT 2009

I recieved the following panic today related to this:

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address  = 0xdeadc10a
fault code              = supervisor read, page not present
instruction pointer    = 0x20:0xc0987410
stack pointer          = 0x28:0xd533dac0
frame pointer          = 0x28:0xd533dae8
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        = 0 (mskc0 taskq)
Physical memory: 495 MB
Dumping 132 MB: 117 101 85 69 53 37 21 5

Reading symbols from /boot/kernel/linux.ko...Reading symbols from
/boot/kernel/linux.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linux.ko
#0  0xc08907a9 in doadump () at /usr/src/sys/kern/kern_shutdown.c:254
254    }
(kgdb) bt
#0  0xc08907a9 in doadump () at /usr/src/sys/kern/kern_shutdown.c:254
#1  0xc04f7e37 in db_fncall (dummy1=-1067299898, dummy2=0,
dummy3=-718022488,
    dummy4=0xd533d898 "\200%tÃ") at /usr/src/sys/ddb/db_command.c:548
#2  0xc04f8214 in db_command (last_cmdp=0xc0da059c, cmd_table=0x0,
dopager=1)
    at /usr/src/sys/ddb/db_command.c:445
#3  0xc04f8352 in db_command_loop () at /usr/src/sys/ddb/db_command.c:498
#4  0xc04fa05e in db_trap (type=12, code=0) at
/usr/src/sys/ddb/db_main.c:229
#5  0xc08bf2d2 in kdb_reenter () at /usr/src/sys/kern/subr_kdb.c:398
#6  0xc0ba9b62 in trap_fatal (frame=0x1, eva=3735929098)
    at /usr/src/sys/i386/i386/trap.c:938
#7  0xc0baa483 in trap (frame=0xd533da80) at
/usr/src/sys/i386/i386/trap.c:339
#8  0xc0b8e4ab in Xlcall_syscall () at
/usr/src/sys/i386/i386/exception.s:241
#9  0xc0987410 in in_lltable_lookup (llt=0xc39e1000, flags=Variable
"flags" is not available.
)
    at /usr/src/sys/netinet/in.c:1380
#10 0xc0982470 in arpintr (m=0xc3baeb00) at
/usr/src/sys/netinet/if_ether.c:642
#11 0xc094227a in netisr_dispatch_src (proto=7, source=0, m=0xc0de)
    at /usr/src/sys/net/netisr.c:932
#12 0xc09424dd in netisr_unregister (nhp=0xc0de)
    at /usr/src/sys/net/netisr.c:583
#13 0xc093ac69 in ether_demux (ifp=0x0, m=0xc3baeb00)
    at /usr/src/sys/net/if_ethersubr.c:911
#14 0xc093b1ce in ether_output (ifp=0xc36ad400, m=0xc3baeb00,
dst=0xc0c55c27,
    ro=0x301010a) at /usr/src/sys/net/if_ethersubr.c:181
---Type <return> to continue, or q <return> to quit---
#15 0xc070b032 in msk_handle_events (sc=0xc3686c00)
    at /usr/src/sys/dev/msk/if_msk.c:3048
#16 0xc070b828 in msk_int_task (arg=0xc3686c00, pending=1)
    at /usr/src/sys/dev/msk/if_msk.c:3625
#17 0xc08cac8c in taskqueue_run (queue=0xc36bf380)
    at /usr/src/sys/kern/subr_taskqueue.c:72
#18 0xc08cadcc in taskqueue_thread_loop (arg=0xc3686c8c)
    at /usr/src/sys/kern/subr_taskqueue.c:90
#19 0xc0869271 in fork_exit (callout=0xc08cad67 <taskqueue_thread_loop+64>,
    arg=0xc3686c8c, frame=0xd533dd38) at /usr/src/sys/kern/kern_fork.c:854
#20 0xc0b8e520 in Xatpic_intr0 () at atpic_vector.s:62
#21 0x00000000 in ?? ()




Mark Atkinson wrote:
> The following reply was made to PR kern/124127; it has been noted by GNATS.
> 
> From: Mark Atkinson <atkin901@yahoo.com>
> To: freebsd prs <bug-followup@FreeBSD.org>
> Cc:  
> Subject: Re: kern/124127: [msk] watchdog timeout (missed Tx interrupts) -- recovering
> Date: Wed, 28 Oct 2009 17:03:52 -0700 (PDT)




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