usb/141313: nvidia USB 2.0 controller - stops copying on USB

[Hans Petter Selasky]

The following reply was made to PR usb/141313; it has been noted by GNATS.

From: Hans Petter Selasky <hselasky at c2i.net>
To: freebsd-usb at freebsd.org
Cc: Jan Marek <janmarek at gdi.cz>,
 freebsd-gnats-submit at freebsd.org
Subject: Re: usb/141313: nvidia USB 2.0 controller - stops copying on USB
Date: Wed, 9 Dec 2009 09:43:15 +0100

 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 at 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