Re: SATA resume slowness, e1000 MSI warning

Kok, Auke
2007-03-06T17:12:08Z

Linus Torvalds wrote:
>
> On Tue, 6 Mar 2007, Thomas Gleixner wrote:
>> SATA has another nice feature. Somehow there is an interrupt pending on
>> the SATA controller, which comes in somewhere in the middle of resume.
>> If it happens before the SATA code resumed, the SATA code ignores the
>> interrupt and the interrupt is disabled due to "nobody cared", which in
>> turn prevents SATA to ever become functional again. >

> And if you don't want to do any of these things (or are unable to, because
> of some ordering constraint or bad design), then you simply need to
> unregister and re-register the interrupt handler over sleep.
>
>> Any idea on that one ?
>
> Jeff, Auke, does this ring any bells?

For the e1000 issue, the problem is solved with Eric Biederman's 3-patch msi
cleanups. You should have another message in your mailbox confirming that I
tested his patches and the MSI warning for e1000 suspend-resume is gone with them.

Cheers,

Auke