usb/124980: [panic] kernel panic

[admin]

The following reply was made to PR usb/124980; it has been noted by GNATS.

From: admin <g.veniamin at googlemail.com>
To: bug-followup at FreeBSD.org, g.veniamin at googlemail.com
Cc:  
Subject: Re: usb/124980: [panic] kernel panic
Date: Wed, 02 Jul 2008 19:04:09 +0000

 ss# kldstat
 Id Refs Address Size Name
  1 35 0xc0400000 64c944 kernel (/boot/kernel/kernel)
  2 1 0xc0a4d000 7040 snd_ich.ko (/boot/kernel/snd_ich.ko)
  3 2 0xc0a55000 4a744 sound.ko (/boot/kernel/sound.ko)
  4 1 0xc0aa0000 3500 umodem.ko (/boot/kernel/umodem.ko)
  5 1 0xc0aa4000 7200 i915.ko (/boot/kernel/i915.ko)
  6 1 0xc0aac000 6b6a0 acpi.ko (/boot/kernel/acpi.ko)
 
 device insert
 
 umass0: <vendor 0x05e3 USB TO IDE, class 0/0, rev 2.00/0.33, addr 2> on 
 uhub3
 
 device removal kernel panic
 
 (kgdb) core-file vmcore.0
 
 Unread portion of the kernel message buffer:
 umass0: BBB reset failed, IOERROR
 umass0: BBB bulk-in clear stall failed, IOERROR
 umass0: BBB bulk-out clear stall failed, IOERROR
 umass0: at uhub3 port 1 (addr 2) disconnected
 
 
 Fatal trap 12: page fault while in kernel mode
 fault virtual address = 0x0
 fault code = supervisor write, page not present
 instruction pointer = 0x20:0xc044e89b
 stack pointer = 0x28:0xc4afa9b4
 frame pointer = 0x28:0xc4afa9d0
 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 = 19 (usb3)
 trap number = 12
 panic: page fault
 Uptime: 2m41s
 Physical memory: 2006 MB
 Dumping 76 MB: 61 45 29 13
 
 (kgdb) bt 0xc044e89b
 #0 doadump () at pcpu.h:196
 #1 0xc05d57f3 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418
 #2 0xc05d59ef in panic (fmt=Variable "fmt" is not available.
 ) at /usr/src/sys/kern/kern_shutdown.c:572
 #3 0xc086e49c in trap_fatal (frame=0xc4afa974, eva=0)
   at /usr/src/sys/i386/i386/trap.c:934
 #4 0xc086e700 in trap_pfault (frame=0xc4afa974, usermode=0, eva=0)
   at /usr/src/sys/i386/i386/trap.c:847
 #5 0xc086f049 in trap (frame=0xc4afa974) at 
 /usr/src/sys/i386/i386/trap.c:525
 #6 0xc085beeb in calltrap () at /usr/src/sys/i386/i386/exception.s:165
 #7 0xc044e89b in xpt_done (done_ccb=0xc4dbcc00)
   at /usr/src/sys/cam/cam_xpt.c:4835
 #8 0xc0454f6e in probedone (periph=0xc531e000, done_ccb=Variable 
 "done_ccb" is not available.
 )
   at /usr/src/sys/cam/cam_xpt.c:6392
 #9 0xc0450a21 in camisr_runqueue (V_queue=Variable "V_queue" is not 
 available.
 ) at /usr/src/sys/cam/cam_xpt.c:7316
 #10 0xc045435f in xpt_bus_deregister (pathid=1)
   at /usr/src/sys/cam/cam_xpt.c:4421
 #11 0xc0551a70 in umass_cam_detach_sim (sc=0xc5211800)
   at /usr/src/sys/dev/usb/umass.c:2712
 #12 0xc0551b1d in umass_detach (self=0xc531cc80)
   at /usr/src/sys/dev/usb/umass.c:1560
 #13 0xc05f7b78 in device_detach (dev=0xc531cc80) at device_if.h:212
 #14 0xc0558d32 in usb_disconnect_port (up=0xc4d2e730, parent=0xc4d3ee00)
   at /usr/src/sys/dev/usb/usb_subr.c:1380
 ---Type <return> to continue, or q <return> to quit---
 #15 0xc054eaee in uhub_explore (dev=0xc4d5d100)
   at /usr/src/sys/dev/usb/uhub.c:462
 #16 0xc0556e75 in usb_discover (v=Variable "v" is not available.
 ) at /usr/src/sys/dev/usb/usb.c:728
 #17 0xc0557d4a in usb_event_thread (arg=0xc4d5c600)
   at /usr/src/sys/dev/usb/usb.c:440
 #18 0xc05b5e20 in fork_exit (callout=0xc0557ca0 <usb_event_thread>,
   arg=0xc4d5c600, frame=0xc4afad38) at /usr/src/sys/kern/kern_fork.c:812
 #19 0xc085bf60 in fork_trampoline () at 
 /usr/src/sys/i386/i386/exception.s:270