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SubjectRe: [patch 8/8] PCI Error Recovery: PPC64 core recovery routines
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On Fri, Aug 26, 2005 at 07:43:57AM +1000, Benjamin Herrenschmidt was heard to remark:
> On Thu, 2005-08-25 at 11:21 -0500, Linas Vepstas wrote:
> > On Thu, Aug 25, 2005 at 10:49:03AM +1000, Benjamin Herrenschmidt was heard to remark:
> > >
> > > Of course, we'll possibly end up with a different ethX or whatever, but
> >
> > Yep, but that's not an issue, since all the various device-naming
> > schemes are supposed to be fixing this. Its a distinct problem;
> > it needs to be solved even across cold-boots.
>
> Ok, so what is the problem then ? Why do we have to wait at all ? Why
> not just unplug/replug right away ?

Paranoia + old versions of udev. I beleive that older versions of udev
(such as the ones currently shipping with Red Hat RHEL4 and SuSE SLES9)
failed to serialize events properly. I beleive that the newer versions
do serialize, but have not verified/tested.

--linas

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