From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Starr Subject: Re: [2.6.18-rc2][e1000][swsusp] - Regression - Suspend to disk and resume breaks e1000 Date: Sun, 16 Jul 2006 13:33:20 -0400 Message-ID: <200607161333.20858.shawn.starr@rogers.com> References: <200607160509.52930.shawn.starr@rogers.com> <44BA6A4A.5090007@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, NetDev Return-path: Received: from smtp101.rog.mail.re2.yahoo.com ([206.190.36.79]:49003 "HELO smtp101.rog.mail.re2.yahoo.com") by vger.kernel.org with SMTP id S1750898AbWGPRd1 (ORCPT ); Sun, 16 Jul 2006 13:33:27 -0400 To: Auke Kok In-Reply-To: <44BA6A4A.5090007@intel.com> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Sunday 16 July 2006 12:33, Auke Kok wrote: > [adding netdev to the cc] > > > unfortunately I didn't. > > e1000 has a special e1000_pci_save_state/e1000_pci_restore_state set of > routines that save and restore the configuration space. the fact that it > works for suspend to memory to me suggests that there is nothing wrong with > that. > > I'm surprised that the t42 comes with a PCI/PCI-X e1000, which changes the > need for this special routine, and the routine does the exact same thing as > pci_save_state in your case. These special routines are made to handle > PCI-E cards properly. > > Also there are no config_pm changes related to this in 2.6.18-rc2. Most of > this code has been in the kernel for a few major releases afaik. This code > worked fine before, so I don't rule out any suspend-related issues. You > should certainly compare with 2.6.18-rc1 and make sure it was a regression, > perhaps even bisect the e1000-related changes if you have the time, which > is about 22 patches or so. > > I'll see if I can find out some more once I get back to work. > > Auke The previous kernel I was using was 2.6.17 vanilla, so between this and -git snapshots I'll have to see where that changed. Thanks , Shawn.