From: Pete Zaitcev <zaitcev@redhat.com>
To: Greg KH <greg@kroah.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: usb mass storage bug
Date: Tue, 12 Jul 2005 22:50:13 -0700 [thread overview]
Message-ID: <20050712225013.2e66d0fc.zaitcev@redhat.com> (raw)
In-Reply-To: <mailman.1121138161.21500.linux-kernel2news@redhat.com>
On Mon, 11 Jul 2005 20:09:58 -0700, Greg KH <greg@kroah.com> wrote:
> On Mon, Jul 11, 2005 at 01:30:47PM -0700, Joe Sevy wrote:
> > Sorry, no logs or dmesg to report; just performance.
> > Using kernel 2.6.12: USB flash drive (san-disk cruzer
> > micro) Copy FROM drive is normal and quick; copy TO
> > drive is amazingly slow. (30 minutes for 50K file).
> > Used same configuration as for 2.6.11.11. Cured by
> > going back to old kernel.
>
> Are you using CONFIG_UB or CONFIG_USB_STORAGE?
Please, Greg. I knew that someone will try to implicate ub here, but you?
Consider two things:
#1 Joe's kernel reads and writes and sharply different speeds,
while ub is uniformly slow
#2 It's a regression in 2.6.12
-- Pete
next prev parent reply other threads:[~2005-07-13 5:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-11 20:30 usb mass storage bug Joe Sevy
2005-07-12 3:09 ` Greg KH
[not found] ` <mailman.1121138161.21500.linux-kernel2news@redhat.com>
2005-07-13 5:50 ` Pete Zaitcev [this message]
2005-07-13 20:53 ` Greg KH
2005-07-13 21:16 ` Alberto Santini
2005-07-13 21:31 ` Pete Zaitcev
[not found] <mailman.1121114341.22024.linux-kernel2news@redhat.com>
2005-07-13 5:39 ` Pete Zaitcev
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