Re: is killing zombies possible w/o a reboot?

[Mathieu Segaud]

Russell Miller <rmiller@xxxxxxxxxxxx> disait dernièrement que :

> I am going to continue pursuing this at the risk of making a bigger fool of 
> myself than I already am, but I want to make sure that I understand the 
> issues - and I did read the message you are referring to.
>
> I think what you are saying is that there is kind of a race condition here.  
> When something is on the wait queue, it has to be followed through to 
> completion.  An interrupt could be received at any time, and if it's taken 
> off of the wait queue prematurely, it'll crash the kernel, because the 
> interrupt has no way of telling that.
>
> That's fine as it goes, I understand that.  But I submit that this is a 
> horrible design.  I've been bitten by this more than once - usually regarding 
> broken NFS connections.

this is because nfs related syscalls are not interruptible by default.
you can make them interruptible by mounting your nfs's with the 'intr' option.

-- 
I love people saying 'we' even though they never contributed a single
line of code to the project!

	- Jens Axboe turning a troll down on linux-kernel

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