Re: Activity!

Am 16.12.2011 06:15, schrieb Nigel Cunningham:
> Hi.
>
> On 15/12/11 09:23, Harald Judt wrote:
>> Here are some drawbacks of tuxonice:
>>
>> * Cannot apply Con Koliva's bfs patch, they break compression. This
>> really sucks. I've applied bfs and bfq patches to mainline head, and
>> they are quite an improvement, especially on the laptop. The only
>> solution would be to not use image compression which is not an option.
>
> I'll see what I can do about that.

For your convenience, I've already gathered the following information:

It seems the following commit which causes the problem:
c2a116d1236344e6ce2556bbc674489ee5d2f703: Start/stop I/O worker threads 
outside of freezer

However, without it I think tuxonice doesn't work reliably.

I've adapted BFS-0.415 to compile with 3.2-rc5, there was just a small 
change necessary because some variable was not used anymore, which 
causes a compilation error. I'll attach it as a bzip and hope the mail 
gets through. Alternatively, you can find the original patch for 3.1 
here: http://ck-hack.blogspot.com. Older kernels with the patch applied 
show the same problem.

>> * Laptop special keys (thinkvantage button, fn keys) stopped working
>> after hibernating and resuming (lenovo t400). They work fine with
>> in-kernel suspend, in fact they start working again when suspending (not
>> hibernating) and resuming. (Could have been fixed by newer kernel, not a
>> tuxonice issue? On the other hand there have been no changes to the
>> module for quite some time IIRC.)
>
> Does current git do that? It sounds like I'm not doing something I
> should be doing, or doing it in the wrong order.

I don't know, I have not tested current git yet, but I'll let you know.

>> Advantages of tuxonice:
[...]
>> * Nice progress display.
>
> Broken for me at the moment - another thing to look at :)

Would be great if you can get it working again. Especially because it 
boasts another feature I was just reminded of which vanilla doesn't 
have: You can abort snapshotting ;-)

Regards,
Harald

-- 
`Experience is the best teacher.'

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