On Mon, Jul 15, 2002 at 10:21:56PM -0700, Tom Collins wrote: > There have been two posts recently to linux-usb-users regarding > problems that I'm also experiencing. Perhaps someone on the > developers list would like to pick this up and run with it.
These are three separate problems.
> At 12:59 PM +0200 7/14/02, Stefan Rompf <[EMAIL PROTECTED]> wrote:
> >after updating my computer to a MSI KT3 Ultra board (KT333A chipset),
> >the Archos MP3 jukebox cannot be accessed reliably anymore using Linux.
> >It does not seem to be a hardware problem as the drive can be used under
> >Windows XP on the same system (or may be error recovery of the storage
> >driver is just better there).
This is likely a bad UHCI controller. For some reason, some UHCI hardware
doesn't like to play nice with the existing driver. Heck, this message
didn't even mention which UHCI driver was in use, or if the other had been
tried.
> At 12:30 AM +1000 7/15/02, David <[EMAIL PROTECTED]> wrote:
> >When I try to do much with my HDD that is attached via USB to my notebook I
> >get mini lockups on my machine.
This is a bad interaction with a device that is slow and the scheduler. A
known (but rare) problem which is being addressed for the 2.5 kernels.
> At 3:23 PM -0700 7/10/02, Tom Collins <[EMAIL PROTECTED]> wrote:
> >I'm having some problems with large writes to two separate USB
> >drives under two separate environments.
> >
> >While formatting the drives for ext2 on either Linux system, the
> >format process hangs for 30 seconds at a time while writing the
> >inode table. If the drive is formatted, and I attempt to copy a
> >large number of files to it, the copy will stall for 30-40 seconds
> >at a time during the write. The MIPS system will usually hang at
> >some point, early on in the copy process.
Cache sync issue. Normal behavior, if annoying. It's related to the above
problem. The deep caching combined with sudden and complete flush causes
the system to pause for a moment.
> resulted in the following:
>
> (lots of successfull xfer 4096 bytes; xferred 4096/4096; transfer complete)
>
> usb-storage: usb_stor_bulk_msg() returned 0 xferred 4096/4096
> usb-storage: usb_stor_transfer_partial(): transfer complete
> usb-storage: usb_stor_transfer_partial(): xfer 4096 bytes
> usb-storage: command_abort() called
> hcd/ehci-hcd.c: 00:13.2 urb_dequeue 8151be60 qh state 1
> hcd.c: giveback urb 8151be60 status -131 len 0
> usb-storage: usb_stor_bulk_msg() returned -131 xferred 0/4096
> usb-storage: usb_stor_transfer_partial(): unknown error
> usb-storage: Bulk data transfer result 0x2
> usb-storage: Attempting to get CSW...
This is clearly from your MIPS system, which shows that the EHCI driver for
your 2.0 card is complaining about something. Likely the EHCI driver is
experiencing some problems on this platform.
Matt
--
Matthew Dharm Home: [EMAIL PROTECTED]
Maintainer, Linux USB Mass Storage Driver
I could always suspend a few hundred accounts and watch what happens.
-- Tanya
User Friendly, 7/31/1998
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