Am Dienstag, 13. März 2007 10:00 schrieb Andrew Morton:
> > On Tue, 13 Mar 2007 00:51:32 -0700 [EMAIL PROTECTED] wrote:
> > http://bugzilla.kernel.org/show_bug.cgi?id=8190
> >
> > Summary: ehci_hcd can't reinitialize scanner after suspend>resume
> > Kernel Version: 2.6.20, 2.6.21-rc3-gbe521466
> > Status: NEW
> > Severity: normal
> > Owner: [EMAIL PROTECTED]
> > Submitter: [EMAIL PROTECTED]
> >
> >
> > Most recent kernel where this bug did *NOT* occur:
> > Distribution:gentoo 2006.1 i686-pc-linux-gnu
> > Hardware Environment:scanner epson perfection 1670, 82801G (ICH7 Family)
> > USB2
> > EHCI Controller
> >
> > Problem Description: with suspend to ram kernel will set scanner to the
> > standby
> > mode, but after resume kernel can't resume scanner _if_ ehci (module) is
> > used.
> > With this issue sane can't use the scanner you need replug it to make it
> > use.
> >
> > This issue not upper if kernel compiled without ehci support.
> >
> > Steps to reproduce:
> > 1. compile kernel with ehci (module or build-in) and restart
> > 2. plugin scanner (sane is working)
> > 3. echo mem > /sys/power/state && scanner will be set to standby mode too.
> > 4. resume && scanner will stay in standby mode
> > 5. replug the scanner to make it use.
> >
>
> Is this an ACPI bug, or a USB bug?
If any other USB device works, it is USB. Otherwise it may be both.
Regards
Oliver
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