From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [Bugme-new] [Bug 8190] New: ehci_hcd can't reinitialize scanner after suspend>resume Date: Tue, 13 Mar 2007 01:00:57 -0800 Message-ID: <20070313010057.e998fb6e.akpm@linux-foundation.org> References: <200703130751.l2D7pWks011303@fire-2.osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <200703130751.l2D7pWks011303@fire-2.osdl.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-usb-devel-bounces@lists.sourceforge.net Errors-To: linux-usb-devel-bounces@lists.sourceforge.net To: "bugme-daemon@kernel-bugs.osdl.org" Cc: linux-acpi@vger.kernel.org, bug-track@fisher-privat.net, linux-usb-devel@lists.sourceforge.net List-Id: linux-acpi@vger.kernel.org > On Tue, 13 Mar 2007 00:51:32 -0700 bugme-daemon@bugzilla.kernel.org 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: acpi_power-sleep-wake@kernel-bugs.osdl.org > Submitter: bug-track@fisher-privat.net > > > 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 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel