* 4kb or 8kb kernel stacks?
@ 2005-10-01 15:20 Ted Kaczmarek
0 siblings, 0 replies; 5+ messages in thread
From: Ted Kaczmarek @ 2005-10-01 15:20 UTC (permalink / raw)
To: xen-devel
What are the thoughts on using 4KB kernel stacks on dom0's and domU's.
Regards,
Ted
^ permalink raw reply [flat|nested] 5+ messages in thread
* RE: 4kb or 8kb kernel stacks?
@ 2005-10-01 17:38 Ian Pratt
2005-10-01 18:12 ` Chris Bainbridge
0 siblings, 1 reply; 5+ messages in thread
From: Ian Pratt @ 2005-10-01 17:38 UTC (permalink / raw)
To: Ted Kaczmarek, xen-devel
> What are the thoughts on using 4KB kernel stacks on dom0's and domU's.
I've never played wih the default. I'd be interested to hear how you get
on.
Thanks,
Ian
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: 4kb or 8kb kernel stacks?
2005-10-01 17:38 4kb or 8kb kernel stacks? Ian Pratt
@ 2005-10-01 18:12 ` Chris Bainbridge
2005-10-02 0:17 ` Ted Kaczmarek
0 siblings, 1 reply; 5+ messages in thread
From: Chris Bainbridge @ 2005-10-01 18:12 UTC (permalink / raw)
To: xen-devel
On 01/10/05, Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk> wrote:
> > What are the thoughts on using 4KB kernel stacks on dom0's and domU's.
>
> I've never played wih the default. I'd be interested to hear how you get
> on.
I've used 4k kernel stacks on xen with no problems.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: 4kb or 8kb kernel stacks?
2005-10-01 18:12 ` Chris Bainbridge
@ 2005-10-02 0:17 ` Ted Kaczmarek
0 siblings, 0 replies; 5+ messages in thread
From: Ted Kaczmarek @ 2005-10-02 0:17 UTC (permalink / raw)
To: Chris Bainbridge; +Cc: xen-devel
On Sat, 2005-10-01 at 18:12 +0000, Chris Bainbridge wrote:
> On 01/10/05, Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk> wrote:
> > > What are the thoughts on using 4KB kernel stacks on dom0's and domU's.
> >
> > I've never played wih the default. I'd be interested to hear how you get
> > on.
>
> I've used 4k kernel stacks on xen with no problems.
>
Appears that 4k stacks on recent changeset's is the root of my problem
bringing snmp guests on line. I switched to 8k kernel stacks and now I
have no more problem bringing up smp guests.
Is testing with 4k and 8k stacks part of the test suite?
I may be being ignorant here (very likely, hehe), but the changes to irq
handling must have some kind of ramification.
Regards,
Ted
^ permalink raw reply [flat|nested] 5+ messages in thread
* RE: 4kb or 8kb kernel stacks?
@ 2005-10-02 17:11 Ian Pratt
0 siblings, 0 replies; 5+ messages in thread
From: Ian Pratt @ 2005-10-02 17:11 UTC (permalink / raw)
To: Ted Kaczmarek, Chris Bainbridge; +Cc: xen-devel
> Appears that 4k stacks on recent changeset's is the root of
> my problem bringing snmp guests on line. I switched to 8k
> kernel stacks and now I have no more problem bringing up smp guests.
>
> Is testing with 4k and 8k stacks part of the test suite?
Not currently, but since they're becoming default on 2.6.13 we'll update
our configs acordingly.
> I may be being ignorant here (very likely, hehe), but the
> changes to irq handling must have some kind of ramification.
That's not the first place I'd look...
Ian
^ permalink raw reply [flat|nested] 5+ messages in thread
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2005-10-01 17:38 4kb or 8kb kernel stacks? Ian Pratt
2005-10-01 18:12 ` Chris Bainbridge
2005-10-02 0:17 ` Ted Kaczmarek
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2005-10-02 17:11 Ian Pratt
2005-10-01 15:20 Ted Kaczmarek
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