Re: [Bugme-new] [Bug 8190] New: ehci_hcd can't reinitialize scanner after suspend>resume
Andrew Morton <[email protected]>
| Newsgroups | gmane.linux.usb.devel,gmane.linux.acpi.devel |
|---|---|
| Message-ID | <[email protected]> |
> 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? ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel