On Sunday 21 May 2006 23:59, Jeff Dike wrote:
> On Sun, May 21, 2006 at 09:26:50PM +0200, Blaisorblade wrote:
> > When I do swapoff -a it also tends to hang (not the whole kernel, but the
> > sys_swapoff code) - it frees most of the content and then keeps running
> > to free the last few pages. Killing swapoff and retrying doesn't progress
> > any further.
>
> This suggests a hang in the I/O path - like a request being issued, but the
> process behind it never being notified of it finishing.
The stacktrace suggests that too (by memory), but why it progresses till a
certain point and then becomes unable to do anything? There's something more
involved - a lock on a page, or on a swap entry (but I don't know lock on
swap entries), maybe?
--
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade
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