Subject: Re: Kernel panic in uvmfault.c
To: Neil Booth <neil@daikokuya.demon.co.uk>
From: Chuck Silvers <chuq@chuq.com>
List: current-users
Date: 04/01/2001 09:46:49
hi,

this should be fixed now.  update uvm/uvm_fault.c.

-Chuck


On Sat, Mar 31, 2001 at 11:05:56AM +0100, Neil Booth wrote:
> Chuck Silvers wrote:-
> 
> > since this is repeatable, could you build a kernel with this line added:
> > 
> > 	makeoptions	DEBUG="-g"
> > 
> > and get a crashdump for me when it panics?
> 
> Sorry, but it panics again: "dump panic: wddump: polled command has been
> queued".  savecore doesn't find a core on reboot.
> 
> Anyway, the back trace goes like this:-
> 
> panic
> __assert
> uvm_fault
> trap #6
> copyout
> mmrw
> spec_read
> ufsspec_read
> VOP_READ
> vn_read
> dofileread
> sys_read
> syscall_plain
> 
> If you want the arguments to the functions, let me know.  It'll take a long
> time to write them all down, so I didn't bother.  If you'd like other info,
> let me know too.
> 
> Incidentally, the dump above is with the most recent trap.c and locore.s;
> I don't think backing them up a revision made any difference.
> 
> Thanks,
> 
> Neil.