[lug] When to try rebooting Linux

[Alan Robertson]

Daniel Webb wrote:
> On Wed, 1 Sep 2004, Ferdinand Schmid wrote:
> 
> 
>>How about unloading and re-loading the respective kernel modules.  You can also restart
>>the respective subsystem (e.g. pcmcia).  So far I haven't seen situations that couldn't be
>>resolved by subsystem action.
>>
>>The only exception are kernel upgrades and kernel panic.
> 
> 
> Of course I tried that, but for every instance I listed, there were
> reasons that the kernel modules refused to unload.  I've seen PCMCIA, NFS,
> USB, and others refuse to unload even when every process short of init and
> sh were kill -9'ed.


When you can't unmount a filesystem after killing all the fuser-listed 
processes...

With slightly older kernels, I've seen it happen when were running NFS, and 
NFS clients were still holding NFS locks.

-- 
     Alan Robertson <alanr at unix.sh>

"Openness is the foundation and preservative of friendship...  Let me claim 
from you at all times your undisguised opinions." - William Wilberforce