Re: panic when installing from CD with i386

[Andrew Doran <ad%netbsd.org@localhost>]

Hi,

On Sun, May 04, 2008 at 03:58:30PM +0100, Chris Gilbert wrote:

> with -current I'm getting a panic when trying to install a system using
> boot.iso (typed from photos (which I can upload is someone wants the
> full details)):
> 
> warning: no /dev/console
> Created mfs /dev (437 blocks, 1280 inodes)
> ./MAKEDEV: missing ./MAKEDEV.local
> erase ^?, werase ^W, kill ^U, intr ^C
> 
> 
> Reader / writer lock error: rw_vector_enter: locking against myself
> 
> lock address : 0x00000000cfa9c028
> current cpu  : 2
> current lwp  : 0x00000000cfab45e0
> owner/count  : 0x00000000cfab45e0
> flags        : 0x0000000000000004
> 
> panic: lock error
> stopped in pid 1337.1 (mount_ffs) at netbsd:breakpoint+0x4: popl %ebp
> db{2}>
> 
> trace shows:
> breakpoint
> panic
> lockdebug_abort
> rw_abort
> rw_vector_enter
> vfs_busy
> getnewvnode
> vfs_allocate_syncvnode
> do_sys_mount
> sys___mount50

I've seen this too. It's part of the ongoing saga that is PR kern/38141
(lookup/vfs_busy acquire rwlock recursively). I'm working on it and hopefully
will have it fixed tomorrow.

Andrew