Re: amd64 system crash with radeondrm enabled after update

[David Young <dyoung%pobox.com@localhost>]

On Fri, May 14, 2010 at 12:24:17PM -0600, Sverre Froyen wrote:
> On Thu May 13 2010 12:07:01 Iain Hibbert wrote:
> > On Thu, 13 May 2010, Brian Buhrow wrote:
> > >   Hello.  Isn't there a way to have ddb execute a series of commands
> > > 
> > > when it fires?  I think the output of ddb commands show up in the dmesg
> > > buffer.  So, you could have  it execute a back trace, then reboot after
> > > writing a core image, which will capture all the relevant output.  I
> > > think it's a sysctl to tell ddb what to do.
> > 
> > AFAIK it needs to be built in, see ddb(4)
> 
> Using these suggestions I get the following output:
> 
> info: [drm] Setting GART location based on new memory map
> info: [drm] Loading RV635 Microcode
> uvm_fault(0xffff80004ee23010, 0x0, 1) -> e
> fatal page fault in supervisor mode
> trap type 6 code 0 rip ffffffff801f7823 cs 8 rflags 13246 cr2  0 cpl 0 rsp 
> ffff8
> 0004f4cb888
> kernel: page fault trap, code=0
> Stopped in pid 1055.1 (Xorg) at netbsd:bus_space_write_4+0x3:   cmpl    
> $0,0(%rd
> i)
> db{0}> bt
> bus_space_write_4() at netbsd:bus_space_write_4+0x3
> r600_do_init_cp() at netbsd:r600_do_init_cp+0x5ee

What line is that?  In gdb, 'l *(r600_do_init_cp+0x5ee)'.

Dave

-- 
David Young             OJC Technologies
dyoung%ojctech.com@localhost      Urbana, IL * (217) 278-3933