Messages in this thread | | | Date | Thu, 13 Sep 2007 09:21:35 -0400 | From | Mark Lord <> | Subject | Re: [1/4] 2.6.23-rc6: known regressions |
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Greg KH wrote: > On Wed, Sep 12, 2007 at 10:50:26PM -0400, Mark Lord wrote: >> Michal Piotrowski wrote: >>> Hi all, >>> Here is a list of some known regressions in 2.6.23-rc6. >> ... >> >> Missing from the list: >> >> USB "autosuspend" feature (new in 2.6.23) breaks *lots* of devices. >> Many have since been blacklisted in one-at-a-time discovery patches, >> but that's really just the tip of the iceberg. >> >> This "feature" breaks a TON of user-visible things, >> mostly USB storage devices (USB drives/pens, digicams, etc..). >> >> The functionality is broken for just too much stuff, >> and needs to either be reverted or defaulted to "off" rather than "on". > > Ok, after conferring with Oliver this morning, I think the best solution > here is to both revert the usb-storage suspend patch as it has some > basic problems that can cause data loss, _and_ add the change to the > kernel that by default disables autosuspend on all USB devices except > hubs.
Sounds like a sane approach.
Hopefully the kinks can be worked out in time for a reattempt in 2.6.24. I understand how important this stuff is for battery powered devices, but it just doesn't appear to be ready yet.
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