Bug#790561: After upgrading udev from 215-18 to 220-7 or 221-1, the system is unbootable afterwards

[Michael Biebl]

Control: severity -1 important

(downgrading severity as per your explanations)

Am 10.07.2015 um 16:41 schrieb Klaus Ethgen:
> Hello,
> 
> Am Mo den  6. Jul 2015 um 20:26 schrieb Martin Pitt:
>> Klaus Ethgen [2015-07-05  1:34 +0100]:
>>> Well, it clearly shows that it probes some unexisting USB stuff.
> 
>> It's a shot into the dark, but this makes me wonder if this is another
>> fallout of enabling USB auto-suspend? Can you please try and move away
>> /lib/udev/rules.d/42-usb-hid-pm.rules (rename it to *.rules.disabled
>> or so), reboot, and see if that improves things?
> 
> With version 222-1 there is no /lib/udev/rules.d/42-usb-hid-pm.rules
> anymore. However, I gave it a try but the bug is not gone.
> 
> After SCSI detection it takes ~100 seconds to finish USB HID detection.
> That is ten times more than with udev 215-18. So the system is not
> unbootable anymore but painful slow booting.

If the system if fully booted (with v222), is the problem reproducible
if you run
$ udevadm trigger
$ udevadm settle

Does the settle call block as well for such a long time?
Have you seen my earlier reply regarding a verbose udev debug log?
Would be great if you can gather this information.

Michael

-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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