Re: [Bisected Regression in 2.6.35] A full tmpfs filesystem causes hibernationto hang

From: KOSAKI Motohiro
Date: Sun Aug 22 2010 - 20:22:29 EST



sorry, my last mail has some mistake.

> Hmm...
> I've tested hibernation case for a while. but I have no luck. I couldn't
> reproduce your issue. Very sorry. Can you please help our debugging?
> If possible, I hope to run following three test.
>
> 1. Please let me know your machine & test script
>

% ./your-fills-up-the-tmpfs-script (i.e. run your script)

> % cat /proc/meminfo
> % cat /proc/vmstat
> % cat /proc/zoneinfo
> % df
> % cat your-fills-up-the-tmpfs-script
>
> 2. call shrink_all_memory() forcely and show result
>


% ./your-fills-up-the-tmpfs-script

> % cat /proc/meminfo
> % cat /proc/zoneinfo
> # echo 1 > /proc/sys/vm/shrink_all_memory
> # tail /var/log/messages
> % cat /proc/meminfo
> % cat /proc/zoneinfo
>
>
> 3. reset zone_reclaim_stat and rerun shrink_all_memory
>


% ./your-fills-up-the-tmpfs-script

> # echo 1 > /proc/sys/vm/reset_reclaim_stat
> % cat /proc/meminfo
> % cat /proc/zoneinfo
> # echo 1 > /proc/sys/vm/shrink_all_memory
> # tail /var/log/messages
> % cat /proc/meminfo
> % cat /proc/zoneinfo
>
>



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