Re: [KERNEL 2.6.26-rc4] bugreport : pata_pcmcia with Sandisk ExtremeIII 8GB

[Jeff Garzik]

Komuro wrote:
> Dear Tejun
>
> > > > > > pcmcia: registering new device pcmcia1.1
> > > > > > 1.1: GetNextTuple: No more items
> > > > > > pata_pcmcia: probe of 1.1 failed with error -12
>
> The patch "libata: kill hotplug related race condition"
> introduced the pata_pcmcia error.
>
> Please fix this problem.
>
>
> Best Regards
> Komuro
>
> > > f046519fc85a8fdf6a058b4ac9d897cdee6f3e52 is first bad commit
> commit f046519fc85a8fdf6a058b4ac9d897cdee6f3e52
> Author: Tejun Heo <htejun@xxxxxxxxx>
> Date:   Mon May 19 01:15:08 2008 +0900
>
>     libata: kill hotplug related race condition
>     
>     Originally, whole reset processing was done while the port is frozen
>     and SError was cleared during @postreset().  This had two race
>     conditions.  1: hotplug could occur after reset but before SError is
>     cleared and libata won't know about it.  2: hotplug could occur after
>     all the reset is complete but before the port is thawed.  As all
>     events are cleared on thaw, the hotplug event would be lost.

Interesting!  Thanks for the diagnosis...

	Jeff



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