hotplug events queued out-of-order

Kay Sievers kay.sievers at vrfy.org
Fri Apr 8 16:02:12 PDT 2005


On Fri, 2005-04-08 at 13:40 -0700, Andrew Allen wrote:
> Hi:
> 
> It looks like two simultaneous usb hotplug events are being queued in
> non-SEQNUM order, and that causes an unnecessary wait for a timeout (as the
> seqnum after last_hotplug_seqnum is already in the queue, and thus won't be
> sent again...), which delays the running of fstab-sync. I can't quite unravel
> the queueing of osspec.c enough to know what needs to be fixed here. 
> 
> running hal-0.4.7, udev 039, hotplug-2004_04_01 on the newest fedora core 3
> kernel 2.6.10-1.770_FC3

That's probably the kernel bug, which caused holes in the hotplug
sequence numbers. It is fixed in 2.6.11.

Kay

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