Bug#487490: linux-image-2.6.25-2-686: USB_PERSIST is enabled, but does not work
On Sun, Jun 22, 2008 at 10:28:55AM +0200, Astrid S. de Wijn wrote:
>
> Package: linux-image-2.6.25-2-686
> Version: 2.6.25-5
> Severity: normal
>
>
> In 2.6.25 debian kernels, USB_PERSIST has been enabled, to make it possible to suspend with mounted usb storage
> filesystems which lose power during suspend. Even though the interface in /sys exists, and I write "1" to every
> device's persist file, I still lose the usb storage devices after resume as if I had suspended without USB_PERSIST.
> The result is journal commit I/O errors and risk of filesystem corruption. The storage devices in question are a
> usb SD card reader and a usb stick attached to a usb hub, which contains my / filesystem.
>
> I've done a little bit of digging and found someone who reported a suspiciously similar problem. In the thread
> a patch is mentioned:
> http://article.gmane.org/gmane.linux.usb.general/2031/match=usb+persist+issue
> The patch was supposed to be submitted for 2.6.25, but the 2.6.25 debian-patched kernel sources don't seem to
> have it. I have not been able to test yet wether this patch fixes my problem.
>
> Kind regards,
>
> Astrid
please checkout 2.6.26-rcX kernels. they have got patches for it
see apt trunk lines http://wiki.debian.org/DebianKernel
(beware to blacklist snd-pcsp )
--
maks
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