Re: iSCSI regression with linux 3.9 and 4.0

[Christian Hesse <list@eworm.de>]

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Ewan Milne <emilne@redhat.com> on Fri, 2015/03/20 11:46:
> On Fri, 2015-03-20 at 16:24 +0100, Christian Hesse wrote:
> > I found 'max_sectors_kb' which is inside in directory called 'queue'. Is
> > that the value you asked for?
> > 
> > for 4.0 git:
> > 
> > # cat max_sectors_kb
> > 32767
> 
> If you change max_sectors_kb to a lower value (e.g. 512) can you get the
> device to work?

I will check that on monday. Sitting behind a slow dial up connection right
now...
 
> There is a max_hw_sectors_kb value but you can't change it.  Is it
> 32768 also for 4.0?

# cat max_hw_sectors_kb
32767

It's 3276*7*, not 32768.

> Your device reports a maximum transfer length of 2^32-1 blocks but
> I suspect that it might not be actually able to do that.  I don't see
> what else would be causing the error.  Maybe there is a transport
> limitation that is getting in the way?

What kind of transport limitation can that be? Network MTU and friends should
no be an issue, no?
-- 
main(a){char*c=/*    Schoene Gruesse                         */"B?IJj;MEH"
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putchar(b-1/(/*               gcc -o sig sig.c && ./sig    */b/42*2-3)*42);}

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