(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Sat, 19 Dec 2009 11:45:59 GMT bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=14841 > > Summary: unable to enumerate USB device on port X after > suspend/resume > Product: Drivers > Version: 2.5 > Kernel Version: 2.6.32 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: USB > AssignedTo: greg@xxxxxxxxx > ReportedBy: clemens@xxxxxxxxxxxxx > Regression: Yes It's a regression from 2.6.31 (I assume?) to 2.6.32. > > After a suspend/resume cycle my SD card fails to work (attached over > usb-storage). > > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/256767 has a lengthly > "me-too" list of people affected. So that bug seems very real to me. Also it is > not harmless as some people claim, the device fails to work for me unless I > cold-boot without uswsusp-resuming. > > I found the following message interesting: > http://lkml.org/lkml/2008/10/24/209 > and it makes me speculate that this "EHCI most be loaded before UHCI/OHCI" > condition is violated when (re-)initializing the USB ports from a cold-boot > resume. > > That is what's going on my usbmon port for that particular USB port: > > eb302780 964861293 S Ci:2:001:0 s a3 00 0000 0002 0004 4 < > eb302780 964861295 C Ci:2:001:0 0 4 = 01050100 > eb302780 964861297 S Co:2:001:0 s 23 01 0010 0002 0000 0 > eb302780 964861301 C Co:2:001:0 0 0 > eb302780 964861303 S Ci:2:001:0 s a3 00 0000 0002 0004 4 < > eb302780 964861306 C Ci:2:001:0 0 4 = 01050000 > eb302780 964889554 S Ci:2:001:0 s a3 00 0000 0002 0004 4 < > eb302780 964889559 C Ci:2:001:0 0 4 = 01050000 > eb302780 964920138 S Ci:2:001:0 s a3 00 0000 0002 0004 4 < > eb302780 964920148 C Ci:2:001:0 0 4 = 01050000 > eb302780 964950136 S Ci:2:001:0 s a3 00 0000 0002 0004 4 < > eb302780 964950146 C Ci:2:001:0 0 4 = 01050000 > eb302780 964980134 S Ci:2:001:0 s a3 00 0000 0002 0004 4 < > eb302780 964980144 C Ci:2:001:0 0 4 = 01050000 > eb302780 964980153 S Co:2:001:0 s 23 03 0004 0002 0000 0 > eb302780 964980156 C Co:2:001:0 0 0 > eb302780 965032890 S Ci:2:001:0 s a3 00 0000 0002 0004 4 < > eb302780 965033076 C Ci:2:001:0 0 4 = 03051000 > f6c62b80 965033101 C Ii:2:001:1 0:2048 1 = 04 > f6c62b80 965033110 S Ii:2:001:1 -115:2048 4 < > eb302780 965087074 S Co:2:001:0 s 23 01 0014 0002 0000 0 > eb302780 965087081 C Co:2:001:0 0 0 > eb302780 965087091 S Ci:2:000:0 s 80 06 0100 0000 0040 64 < > eb302780 965091083 C Ci:2:000:0 -71 0 > eb302780 965091093 S Ci:2:000:0 s 80 06 0100 0000 0040 64 < > eb302780 965095208 C Ci:2:000:0 -71 0 > eb302780 965095216 S Ci:2:000:0 s 80 06 0100 0000 0040 64 < > eb302780 965099333 C Ci:2:000:0 -71 0 > eb302780 965099341 S Co:2:001:0 s 23 03 0004 0002 0000 0 > eb302780 965099344 C Co:2:001:0 0 0 > eb302780 965150135 S Ci:2:001:0 s a3 00 0000 0002 0004 4 < > eb302780 965150451 C Ci:2:001:0 0 4 = 00011100 > eb302780 965150454 S Co:2:001:0 s 23 01 0014 0002 0000 0 > eb302780 965150457 C Co:2:001:0 0 0 > eb302780 965150459 S Co:2:001:0 s 23 01 0001 0002 0000 0 > eb302780 965150462 C Co:2:001:0 0 0 > eb302780 965150473 S Co:2:001:0 s 23 01 0001 0002 0000 0 > eb302780 965150476 C Co:2:001:0 0 0 > eb302780 965150480 S Ci:2:001:0 s a3 00 0000 0002 0004 4 < > eb302780 965150483 C Ci:2:001:0 0 4 = 00010000 > f6c62b80 965154400 C Ii:2:001:1 0:2048 1 = 04 > f6c62b80 965154402 S Ii:2:001:1 -115:2048 4 < > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
