Re: USB mount takes 30 seconds!

[Diego Zuccato <diego@xxxxxxxxxxxxxxxxxxxx>]

Alan Stern ha scritto:
> On Tue, 13 Nov 2007, Steve Kelem wrote:
> 
>> I have a USB hard drive that I'm trying to use with Linux.
>> It does mount, but it takes 30 seconds!
[...]
> Possibly some error occurs, the system waits during a 30-second 
> timeout, and then the disk is reset.
> What shows up in the output from dmesg after you mount the filesystem?
Happened to me, too, when using an 'old' kernel (2.6.19, maybe).
It seems that "big" reiser filesystems might take quite a long time to
be mounted, if umounted correctly (quite absurd, since a dirty
disconnect takes less time to be recovered...).

Now I upgraded to a newer kernel (2.6.22-tmb-laptop-2mdv) and mount is
nearly immediate on same HW.

Maybe some extra checks in reiser code that, while nearly undetectable
on internal drives, slowed down external ones? But I think it's not
USB-related.

BYtE,
 Diego.


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