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

[John Baldwin]

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