kern/124127: [msk] watchdog timeout (missed Tx interrupts) -- recovering

[Mark Atkinson]

The following reply was made to PR kern/124127; it has been noted by GNATS.

From: Mark Atkinson <atkin901 at yahoo.com>
To: freebsd prs <bug-followup at FreeBSD.org>
Cc:  
Subject: Re: kern/124127: [msk] watchdog timeout (missed Tx interrupts) -- recovering
Date: Wed, 28 Oct 2009 17:03:52 -0700 (PDT)

 =0A=0AOn the unpatched -current kernel, built=0A=0AFreeBSD hellfire.filamen=
 t.org 9.0-CURRENT FreeBSD 9.0-CURRENT #14: Mon Oct 19 09:12:03 PDT 2009 =0A=
 =0AI recieved the following panic today related to this:=0A=0AFatal trap 12=
 : page fault while in kernel mode=0Acpuid =3D 0; apic id =3D 00=0Afault vir=
 tual address   =3D 0xdeadc10a=0Afault code              =3D supervisor read=
 , page not present=0Ainstruction pointer     =3D 0x20:0xc0987410=0Astack po=
 inter           =3D 0x28:0xd533dac0=0Aframe pointer           =3D 0x28:0xd5=
 33dae8=0Acode segment            =3D base 0x0, limit 0xfffff, type 0x1b=0A =
                        =3D DPL 0, pres 1, def32 1, gran 1=0Aprocessor eflag=
 s        =3D interrupt enabled, resume, IOPL =3D 0=0Acurrent process       =
   =3D 0 (mskc0 taskq)=0APhysical memory: 495 MB=0ADumping 132 MB: 117 101 8=
 5 69 53 37 21 5=0A=0AReading symbols from /boot/kernel/linux.ko...Reading s=
 ymbols from /boot/kernel/linux.ko.symbols...done.=0Adone.=0ALoaded symbols =
 for /boot/kernel/linux.ko=0A#0  0xc08907a9 in doadump () at /usr/src/sys/ke=
 rn/kern_shutdown.c:254=0A254     }=0A(kgdb) bt=0A#0  0xc08907a9 in doadump =
 () at /usr/src/sys/kern/kern_shutdown.c:254=0A#1  0xc04f7e37 in db_fncall (=
 dummy1=3D-1067299898, dummy2=3D0, dummy3=3D-718022488,=0A    dummy4=3D0xd53=
 3d898 "\200%t=C3") at /usr/src/sys/ddb/db_command.c:548=0A#2  0xc04f8214 in=
  db_command (last_cmdp=3D0xc0da059c, cmd_table=3D0x0, dopager=3D1)=0A    at=
  /usr/src/sys/ddb/db_command.c:445=0A#3  0xc04f8352 in db_command_loop () a=
 t /usr/src/sys/ddb/db_command.c:498=0A#4  0xc04fa05e in db_trap (type=3D12,=
  code=3D0) at /usr/src/sys/ddb/db_main.c:229=0A#5  0xc08bf2d2 in kdb_reente=
 r () at /usr/src/sys/kern/subr_kdb.c:398=0A#6  0xc0ba9b62 in trap_fatal (fr=
 ame=3D0x1, eva=3D3735929098)=0A    at /usr/src/sys/i386/i386/trap.c:938=0A#=
 7  0xc0baa483 in trap (frame=3D0xd533da80) at /usr/src/sys/i386/i386/trap.c=
 :339=0A#8  0xc0b8e4ab in Xlcall_syscall () at /usr/src/sys/i386/i386/except=
 ion.s:241=0A#9  0xc0987410 in in_lltable_lookup (llt=3D0xc39e1000, flags=3D=
 Variable "flags" is not available.=0A)=0A    at /usr/src/sys/netinet/in.c:1=
 380=0A#10 0xc0982470 in arpintr (m=3D0xc3baeb00) at /usr/src/sys/netinet/if=
 _ether.c:642=0A#11 0xc094227a in netisr_dispatch_src (proto=3D7, source=3D0=
 , m=3D0xc0de)=0A    at /usr/src/sys/net/netisr.c:932=0A#12 0xc09424dd in ne=
 tisr_unregister (nhp=3D0xc0de)=0A    at /usr/src/sys/net/netisr.c:583=0A#13=
  0xc093ac69 in ether_demux (ifp=3D0x0, m=3D0xc3baeb00)=0A    at /usr/src/sy=
 s/net/if_ethersubr.c:911=0A#14 0xc093b1ce in ether_output (ifp=3D0xc36ad400=
 , m=3D0xc3baeb00, dst=3D0xc0c55c27,=0A    ro=3D0x301010a) at /usr/src/sys/n=
 et/if_ethersubr.c:181=0A---Type <return> to continue, or q <return> to quit=
 ---=0A#15 0xc070b032 in msk_handle_events (sc=3D0xc3686c00)=0A    at /usr/s=
 rc/sys/dev/msk/if_msk.c:3048=0A#16 0xc070b828 in msk_int_task (arg=3D0xc368=
 6c00, pending=3D1)=0A    at /usr/src/sys/dev/msk/if_msk.c:3625=0A#17 0xc08c=
 ac8c in taskqueue_run (queue=3D0xc36bf380)=0A    at /usr/src/sys/kern/subr_=
 taskqueue.c:72=0A#18 0xc08cadcc in taskqueue_thread_loop (arg=3D0xc3686c8c)=
 =0A    at /usr/src/sys/kern/subr_taskqueue.c:90=0A#19 0xc0869271 in fork_ex=
 it (callout=3D0xc08cad67 <taskqueue_thread_loop+64>,=0A    arg=3D0xc3686c8c=
 , frame=3D0xd533dd38) at /usr/src/sys/kern/kern_fork.c:854=0A#20 0xc0b8e520=
  in Xatpic_intr0 () at atpic_vector.s:62=0A#21 0x00000000 in ?? ()=0A=0A=0A=