Re: "vnlru_proc: vnode recycler stopped working!" when doing a make buildkernel

[Jan Martin Mathiassen <reaper@xxxxxxxxxxx>]

Matthew Dillon wrote:

> :I thought this was just a problem with the oct 16 copy I had, since I 
> :knew that was when the VFS layer was in severe flux, but I've reproduced 
> :it several times afterwards with an dec 5 copy as well.
> :
> :The following appears to semi-reliably trigger the abovementioned error 
> :message:
> :
> :make buildworld/quickworld
> :make buildkernel KERNCONF=DOOM
> :make installkernel KERNCONF=DOOM
> :make installworld
> :
> :It appears to most commonly happen during buildkernel, but I'm not 
> :entirely sure.
> :
> :The message in the subject pops up regularly, everything related to disk 
> :seems to grind to a halt, and I'm unable to shut down the box in a 
> :normal fashion. This is on a playbox, so if  you're unable to reproduce 
> :this, I'll be happy to assist in trying to find the bug, given good 
> :enough instructions for how to proceed.
>
>    Jan, see if you can get kernel core out of it.  You may have to
>    set sysctl kern.sync_on_panic=0, but then ctl-alt-esc'ing into
>    the debugger (when the machine is in this locked up state) and
>    typing 'panic' <return> (probably <return> a second time) should
>    do it if you have the dumpdev set.
>  

I'm sorry, I'm blind. I completely missed the sync_on_panic part, I'm 
redoing it now, with sync_on_panic=0.

I'm assuming the core file'll be too big to attach in a mail, so I'll 
get back to you with an URL you can download it from, unless you've got 
an FTP server I should upload to?