Subject: Re: overfilling mfs partitions larger than 600M causes kernel panics
To: Tim Kelly <hockey@dialectronics.com>
From: Chris Tribo <ctribo@college.dtcc.edu>
List: port-macppc
Date: 11/10/2004 23:45:08
Man, I think we need to have a bug squashing party before RC5 or 2.0 is 
cut.

On Nov 10, 2004, at 11:32 PM, Tim Kelly wrote:

> I'm looking for reproducibility here. I have confirmation on a separate
> install (macallan18).
>
> Net7300# mkdir /mfs
> Net7300# mount_mfs -s 600m ffs /mfs
> Net7300# cp -R /usr/* /mfs
> panic: kernel diagnostic assertion "pcb->pcb_kmapsr == 0" failed: file
> "../../..
> /../arch/powerpc/powerpc/trap.c", line 546
> Stopped in pid 371.1 (mount_mfs) at     netbsd:cpu_Debugger+0x10:
> lwz r0, r1, 0x14
> db{1}> bt
> 0xd521fc40: at panic+0x19c
> 0xd521fcd0: at __assert+0x28
> 0xd521fce0: at copyout+0x14c
> 0xd521fd70: at mfs_doio+0x84
> 0xd521fd90: at mfs_start+0xa8
> 0xd521fdd0: at sys_mount+0x414
> 0xd521fed0: at syscall_plain+0xc8
> 0xd521ff40: user SC trap #21 by 0x418839b8: srr1=0xf032
>             r1=0xffffd990 cr=0x22000044 xer=0 ctr=0x418839b0
>
> I can get this with -current GENERIC and GENERIC.MP. Are there a lot of
> servers running /tmp as a large mfs?
>
> tim
>