amd64/107345: Kernel Panic/Crash on dd if=/dev/ad4 of=/dev/ad6 bs=1m

[John Baldwin]

The following reply was made to PR amd64/107345; it has been noted by GNATS.

From: John Baldwin <jhb at freebsd.org>
To: Jan Knepper <jan at digitaldaemon.com>
Cc: freebsd-amd64 at freebsd.org, freebsd-gnats-submit at freebsd.org
Subject: Re: amd64/107345: Kernel Panic/Crash on dd if=/dev/ad4 of=/dev/ad6 bs=1m
Date: Wed, 3 Jan 2007 15:05:59 -0500

 On Tuesday 02 January 2007 13:34, Jan Knepper wrote:
 > Fatal trap 12: page fault while in kernel mode
 > cpuid = 0; apic id = 00
 > fault virtual address   = 0x50
 > fault code              = supervisor read, page not present
 > instruction pointer     = 0x8:0xffffffff80289d6d
 > stack pointer           = 0x10:0xffffffffb1b06af0
 > frame pointer           = 0x10:0xffffff00468d9400
 > code segment            = base 0x0, limit 0xfffff, type 0x1b
 >                        = DPL 0, pres 1, long 1, def32 0, gran 1
 > processor eflags        = interrupt enabled, resume, IOPL = 0
 > current processor            = 9 (thread taskq)
 > trap number                    = 12
 > panic: page fault
 > cpuid = 0
 > Uptime: 16h56m17s
 > Dumping 2047 MB (2 chunks)
 >  chunk 0: 1MB (156 pages) .. ok
 >  chunk 1: 2047MB (524016 pages) 2031 2015 1999 1983 1967 1951 1935 1919 
 > 1903 18
 >  87 ...
 >  ... 47 31 15 ... ok
 
 Looks like somehow the ata device was destroyed and coming back or something
 weird.  I'd ask sos at .
  
 > John Baldwin wrote:
 > > On Friday 29 December 2006 22:33, Jan Knepper wrote:
 > >   
 > >>> Number:         107345
 > >>> Category:       amd64
 > >>> Synopsis:       Kernel Panic/Crash on dd if=/dev/ad4 of=/dev/ad6 bs=1m
 > >>> Confidential:   no
 > >>> Severity:       critical
 > >>> Priority:       high
 > >>> Responsible:    freebsd-amd64
 > >>> State:          open
 > >>> Quarter:        
 > >>> Keywords:       
 > >>> Date-Required:
 > >>> Class:          sw-bug
 > >>> Submitter-Id:   current-users
 > >>> Arrival-Date:   Sat Dec 30 03:40:17 GMT 2006
 > >>> Closed-Date:
 > >>> Last-Modified:
 > >>> Originator:     Jan Knepper
 > >>> Release:        6.1-RELEASE
 > >>> Organization:
 > >>> Environment:
 > >>>       
 > >> FreeBSD digitaldaemon.com 6.1-RELEASE FreeBSD 6.1-RELEASE #7: Fri Dec 29 
 19:23:26 EST 2006     
 root at digitaldaemon.com:/usr/src/sys/amd64/compile/digitaldaemon  amd64
 > >>
 > >>     
 > >>> Description:
 > >>>       
 > >
 > > Please include the actual crash messages. :)
 > >
 > >   
 > 
 
 -- 
 John Baldwin