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From: Andrew Walrond <andrew@walrond.org>
To: Attila BODY <compi@freemail.hu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: USB storage (pendrive) problems
Date: Mon, 20 Dec 2004 23:25:19 +0000	[thread overview]
Message-ID: <200412202325.20064.andrew@walrond.org> (raw)
In-Reply-To: <1103579679.23963.14.camel@localhost>

On Monday 20 December 2004 21:54, Attila BODY wrote:
> Hi,
>
> I have some weird problems with my pendrives recently. I just compile a
> 2.6.9 to check if the problem is still exists there.
>
> current kernel is 2.6.10-rc3 and the situation is the following:
>
> If I copy more than few megabytes to the drive, the activity LED keeps
> flashing forever. sync, umount keeps runing forever, normal reboot is
> inpossible (alt+sysreq+b seems to work)
>
> Tested with usb 1.1 and 2.0 pendrives, behaviour is the same.
>

I'm doing exactly that with 2.6.10-rc3. umount does take a very long time (but 
I had just written 600Mb+ over usb 1.1)

Are you sure it doesn't come back if you leave it long enough?

Do the throughput sums; you'll be suprised how long it takes to send more than 
a few Mb over usb 1.1 (1.5Mb/s). Eg 600Mb = 7minutes

Usb 2 should be much faster; Do you have EHCI loaded?

Andrew Walrond

  reply	other threads:[~2004-12-20 23:33 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-20 21:54 USB storage (pendrive) problems Attila BODY
2004-12-20 23:25 ` Andrew Walrond [this message]
2004-12-20 23:21   ` Randy.Dunlap
2004-12-20 23:52     ` Andrew Walrond
2004-12-21  7:35     ` Attila BODY
     [not found]     ` <mailman.1103615580.2095.linux-kernel2news@redhat.com>
2004-12-21 21:15       ` Pete Zaitcev
2004-12-24 11:23         ` Attila BODY

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