Date: Mon, 6 Nov 2006 09:00:53 GMT From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@FreeBSD.org Subject: Re: usb/105186: USB 2.0/ehci on FreeBSD 6.2-PRE/AMD64 crashes box Message-ID: <200611060900.kA690rsu001291@freefall.freebsd.org>
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The following reply was made to PR usb/105186; it has been noted by GNATS.
From: Hans Petter Selasky <hselasky@c2i.net>
To: Undisclosed.Recipients: ;
Cc: "O. Hartmann" <ohartman@zedat.fu-berlin.de>,
freebsd-gnats-submit@freebsd.org
Subject: Re: usb/105186: USB 2.0/ehci on FreeBSD 6.2-PRE/AMD64 crashes box
Date: Mon, 6 Nov 2006 09:56:07 +0100
On Sunday 05 November 2006 22:31, O. Hartmann wrote:
> >Number: 105186
> >Category: usb
> >Synopsis: USB 2.0/ehci on FreeBSD 6.2-PRE/AMD64 crashes box
> >Confidential: no
> >Severity: critical
> >Priority: high
> >Responsible: freebsd-usb
> >State: open
> >Quarter:
> >Keywords:
> >Date-Required:
> >Class: sw-bug
> >Submitter-Id: current-users
> >Arrival-Date: Sun Nov 05 21:40:26 GMT 2006
> >Closed-Date:
> >Last-Modified:
> >Originator: O. Hartmann
> >Release: FreeBSD 6.2-PRE/AMD64
> >Organization:
>
> Freie Universit=E4t Berlin
>
> >Environment:
>
> FreeBSD foo.org 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #8: Sat Nov 4
> 11:23:20 UTC 2006 root@foo.org:/usr/obj/usr/src/sys/FOO amd64
>
> >Description:
>
> FreeBSD 6.2-PRE/AMD64 crashes after first access of USB 2.0 devices, like
> external disk attached via USB or USB stick.
>
> The crash occurs very rapidly after a fresh start of the box and accessing
> a backup drive (see appropriate dmesg output) writing data. Also accessing
> a USB stick very often results in a crash of the box!
>
> One can alos trigger a crash by accessing the USB 2.0 device while box is
> under heavy load.
>
> Doesn't matter whether SCHED_ULE or SCHED_4BSD is used.
>
> Kernel uses ehci for performance reasons.
>
> Crashes occur in most cases on our AMD64 based boxes, the i386 based 32 B=
it
> boxes with same OS version seem to be more robust.
>
> As USB is widely used and many colleagues use USB sticks and USB
> backup/exchange external drives, usability and stability of USB becomes
> important.
>
> dmesg part of USB device controller:
>
> usb0: OHCI version 1.0, legacy support
> usb0: <OHCI (generic) USB controller> on ohci0
> usb0: USB revision 1.0
> uhub0: nVidia OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
> uhub0: 10 ports with 10 removable, self powered
> ehci0: <NVIDIA nForce4 USB 2.0 controller> mem 0xdcdfbc00-0xdcdfbcff irq =
22
> at device 11.1 on pci0 ehci0: [GIANT-LOCKED]
> usb1: EHCI version 1.0
> usb1: companion controller, 4 ports each: usb0
> usb1: <NVIDIA nForce4 USB 2.0 controller> on ehci0
> usb1: USB revision 2.0
> uhub1: nVidia EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
> uhub1: 10 ports with 10 removable, self powered
> umass0: Macpower &Tytech Tech USB2.0 Enclosure, rev 2.00/1.00, addr 2
>
> dmesg part of USB 2.0 external HD:
>
> da0 at umass-sim0 bus 0 target 0 lun 0
> da0: <SAMSUNG S07GJ10Y304470 VM10> Fixed Direct Access SCSI-2 device
> da0: 40.000MB/s transfers
> da0: 190782MB (390721968 512 byte sectors: 255H 63S/T 24321C)
>
>
> dmesg USB stick:
>
> umass1: vendor 0x0457 USB Mass Storage Device, rev 2.00/1.00, addr 3
> da1 at umass-sim1 bus 1 target 0 lun 0
> da1: <TinyDisk 2006-09-11 0.00> Removable Direct Access SCSI-2 device
> da1: 40.000MB/s transfers
> da1: 1000MB (2048000 512 byte sectors: 64H 32S/T 1000C)
> GEOM_LABEL: Label for provider da1 is msdosfs/STICK01.
>
> >How-To-Repeat:
>
> Attach USB 2.0 device to AMD64 box and do a lot of I/O ...
>
> >Fix:
>
> Nothing known. Switching back to USB 1.0/1.1 via ohci isn't a solution due
> to the worse performance.
>
> >Release-Note:
> >Audit-Trail:
> >Unformatted:
Hi,
Could you have tried my new USB driver and see if it has the same problem:
#
# First install /usr/ports/devel/subversion
# Then:
#
svn --username anonsvn --password anonsvn \
checkout svn://svn.turbocat.net/i4b
#
# The following commands will
# install the driver on FreeBSD:
#
cd i4b/trunk/i4b/FreeBSD.usb
make S=3D../src package
make install
The source is also available from perforce:
http://perforce.freebsd.org/depotTreeBrowser.cgi?FSPC=3D//depot/projects/us=
b&HIDEDEL=3DNO
=2D-HPS
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