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From: Hans Petter Selasky <hselasky@c2i.net>
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Cc: freebsd-gnats-submit@freebsd.org, Jan Marek <janmarek@gdi.cz>
Subject: Re: usb/141313: nvidia USB 2.0 controller - stops copying on USB
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On Wednesday 09 December 2009 09:16:53 Jan Marek wrote:
> >Number:         141313
> >Category:       usb
> >Synopsis:       nvidia USB 2.0 controller - stops copying on USB
> >Confidential:   no
> >Severity:       serious
> >Priority:       low
> >Responsible:    freebsd-usb
> >State:          open
> >Quarter:
> >Keywords:
> >Date-Required:
> >Class:          sw-bug
> >Submitter-Id:   current-users
> >Arrival-Date:   Wed Dec 09 08:20:01 UTC 2009
> >Closed-Date:
> >Last-Modified:
> >Originator:     Jan Marek
> >Release:        FreeBSD 8.0-RELEASE-p1
> >Organization:
> >Environment:
>
> FreeBSD honzik.ath.cx 8.0-RELEASE-p1 FreeBSD 8.0-RELEASE-p1 #0: Tue Dec  8
> 20:17:04 CET 2009     root@honzik.ath.cx:/usr/obj/usr/src/sys/ARENA1.5 
> i386
>
> >Description:
>
> When copying to / from USB, using ehci (USB2.0) the copying stops for long
> period of time, then sometimes  resumes or gives error
>
> g_vfs_done():da0s1[WRITE(offset=1699840, length=4096)]error = 5 (this
> particular on msdosfs USB drive)
>
> This happens irregularly, but almost every time copying more data, the
> copying is also followed by ehci interrupt storm. Tried disable firewire
> controler and Legacy USB support in BIOS, no change.
>
> Tried this on i386,FreeBSD 8.0-RELEASE-p1, FreeBSD 8.0-STABLE
>
> >How-To-Repeat:
>
> Copying 100MB+ data to / from USB
>
> >Fix:
>
> disable USB 2.0 in BIOS
>
> >Release-Note:
> >Audit-Trail:
> >Unformatted:

Hi,

There has been a recent patch to enable a kind of watchdog for the EHCI. You 
might want to try that patch. See /sys/dev/usb/controller/ehci*.[ch] in 9-
current.

--HPS