> 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?
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