Messages in this thread | | | Date | Wed, 02 Apr 2008 11:05:21 -0400 | From | Mark Lord <> | Subject | 2.6.25-rc7/rc8 USB dead on resume |
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Mark Lord wrote: > (CCing linux-usb again) > (CCing Alan Stern on this sub-thread) > > Oliver Neukum wrote: >> Am Montag, 31. März 2008 21:21:45 schrieb Mark Lord: >>> Oliver Neukum wrote: >>>> But if power is cut with newer kernels and older kernels retain it, >>>> something >>>> must have changed. Can you undo the ACPI changes since the last working >>>> kernel? >>> .. >>> >>> No, that's no different. >>> This notebook always cuts +5V from USB on suspend or poweroff. >>> Regardless of kernel version. I don't know how common this is, >>> but all of my notebooks here have always behaved this way, >>> as have most (but not all) of the larger systems. >>> >>> The two most recent PCIe motherboards I have here >>> do provide +5V standby power to USB, even when "OFF", >>> much to my annoyance and to the detriment of this planet. >> >> Very well. >> >> Mark, can you get a sysrq-t trace of your whole system when USB goes >> dead? And please enable CONFIG_USB_DEBUG. We need to do whether >> khubd and ksuspend_usbd are in state D. > .. > > Both of those things were already done, and results from the last time > are attached to the bugzilla report: > http://bugzilla.kernel.org/show_bug.cgi?id=10345 > > I'll be installing -rc8 today, and see what happens there. ..
No change in -rc8. I've uploaded new syslog (with alt-sysrq-T) and .config as attachements to the bugzilla entry:
http://bugzilla.kernel.org/show_bug.cgi?id=10345
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