>-----Original Message----- >From: Allan, Bruce W [mailto:bruce.w.allan@xxxxxxxxx] >Sent: Monday, May 02, 2011 3:02 PM >To: Kamil Iskra; netdev@xxxxxxxxxxxxxxx; e1000-devel@xxxxxxxxxxxxxxxxxxxxx >Cc: linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx >Subject: Re: [E1000-devel] WoL stopped working after power off with 2.6.38 >(e1000e specific?) > >>-----Original Message----- >>From: Kamil Iskra [mailto:kamil@xxxxxxxxxx] >>Sent: Friday, April 29, 2011 10:45 PM >>To: netdev@xxxxxxxxxxxxxxx; e1000-devel@xxxxxxxxxxxxxxxxxxxxx >>Subject: [E1000-devel] WoL stopped working after power off with 2.6.38 (e1000e >>specific?) >> >>[ Note: I'm not on these mailing lists, so be sure to Cc: me if you want >>more info from me ] >> >>After upgrading from kernel 2.6.37 to 2.6.38, Wake on LAN after shutdown >>stopped working for me on both of my Thinkpad laptops. Both systems use >>the e1000e driver. One (a T61) has an 82566MM NIC, the other (an X201) an >>82577LM. I'm running 64-bit Gentoo Linux with a custom compiled kernel. >>The network driver is built into the kernel. >> >>Wake on LAN still works after suspend (S3), but not after a complete >>shutdown (with power supply connected). >> >>I figured the updated e1000e driver in 2.6.38 was probably to blame, >>however, after I copied the whole drivers/net/e1000e directory from the >>2.6.37 over to the 2.6.38 tree and recompiled, the problem persisted, so I >>don't know anymore. >> >>I modified the system shutdown sequence to invoke ifconfig and ethtool >>right before the final halt. According to ifconfig, eth0 is down at that >>point. According to ethtool, WoL is configured correctly ("Wake-on: g"). >>There is, however, a difference in the output of ethtool between the two >>kernel versions. "Link detected:" shows "yes" with 2.6.37, but "no" with >>2.6.38. >> >>A workaround that I found to work was to invoke "ifconfig eth0 up" right >>before the halt. >> >>Any suggestions? Is this new behavior expected or is it a bug? > >WoL from S5 "works for me"(TM) using the e1000e driver on RHEL6 and 2.6.38. >Could you provide your customer kernel configuration? > >Cc: linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx > >Thanks, >Bruce. :s/customer/custom/ _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
