Re: [PATCH] USB updates for 2.4.21

From: Harald Dunkel (harri@synopsys.COM)
Date: Wed Jul 02 2003 - 14:07:12 EST

John Lapeyre wrote:
> Re: From: Greg KH (
> Date: Thu Jun 19 2003 - 19:40:35 EST
> Broken ehci-hcd things seem to be fixed with this patch. I had
> numerous crashes, hangs, filesystem corruption, etc. with
> 2.4.19,20,21 until I applied this. I am using,
> DVD burner in an external USB 2.0 enclosure (same as the one rebranded by Belkin)
> IDE drive in the same model enclosure.
> Epson 3200 scanner.
> Using them before the patch, particularly simultaneously, caused driver crashes. They
> seem to share the bus nicely now.

The failure rate on accessing an IDE disk via USB 2.0 has been
decreased dramatically with this patch, but I still get IO
errors pretty frequently.

But the real bad part is: If there is an IO error, then I cannot
sync _any_ of my mounted partitions anymore (all SCSI). A 'sync'
gets stuck. All I can do is a power cycle.

Would it be possible to decouple the mounted partitions somehow?
I don't care for the disk with IO error, but a sync should not
get stuck for a valid partition not showing any problems.



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