Bug 115400 - [ehci] Problem with EHCI on ASUS M2N4-SLI
Summary: [ehci] Problem with EHCI on ASUS M2N4-SLI
Status: Open
Alias: None
Product: Base System
Classification: Unclassified
Component: usb (show other bugs)
Version: 6.2-RELEASE
Hardware: Any Any
: Normal Affects Only Me
Assignee: freebsd-usb mailing list
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2007-08-10 19:30 UTC by Jason Bacon
Modified: 2017-12-31 22:32 UTC (History)
0 users

See Also:


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Description Jason Bacon 2007-08-10 19:30:03 UTC
	When attempting to attach an HP LaserJet 4250 via USB to the
	built-in USB ports on the ASUS M2N4, I got the following errors
	(same error on all ports)

Aug 10 09:36:50 apu kernel: uhub1: device problem (SHORT_XFER), disabling port 4
Aug 10 09:41:43 apu kernel: uhub1: device problem (SHORT_XFER), disabling port 4
Aug 10 09:44:58 apu kernel: uhub1: device problem (SHORT_XFER), disabling port 2
Aug 10 09:45:08 apu kernel: uhub1: device problem (SHORT_XFER), disabling port 2
Aug 10 09:45:57 apu kernel: uhub1: device problem (SHORT_XFER), disabling port 9
Aug 10 09:46:11 apu kernel: uhub1: device problem (SHORT_XFER), disabling port 4

Fix: 

As a workaround, I simply disabled the EHCI driver, since it is known
	to be buggy, and I have no USB hard disks or other devices that
	require the speed of USB 2.0.  USB 1.1 is fast enough for most
	printers, mice, flash drives, etc.  For external disks, I prefer
	FireWire anyway.

	Following the instructions for editing and rebuilding the kernel
	in the FreeBSD handbook:

	1. Comment out or remove EHCI from your kernel config file
	2. Rebuild the kernel
	3. Install the new kernel
	4. Reboot

	With the EHCI driver out of the way, all is well:

Aug 10 10:50:02 apu kernel: ulpt0: Hewlett-Packard hp LaserJet 4250, rev 2.00/1.
00, addr 3, iclass 7/1
Aug 10 10:50:02 apu kernel: ulpt0: using bi-directional mode
How-To-Repeat: 	Attach an HP LJ 4250 (or possibly other printer) to an ASUS M2N4 
	running FreeBSD 6.2 amd64.
	I can't verify whether this is a problem with other printer models
	or OS versions.
Comment 1 Mark Linimon freebsd_committer freebsd_triage 2007-08-10 21:26:48 UTC
Responsible Changed
From-To: freebsd-bugs->freebsd-usb

Over to maintainer(s).
Comment 2 Garrett Wollman 2007-08-10 23:23:12 UTC
>Old Synopsis: Problem with EHCI on ASUS M2N4-SLI
>New Synopsis: [ehci] Problem with EHCI on ASUS M2N4-SLI

Sorry to tag along here, but I feel the need to note that EHCI has
*never* worked for me, on any hardware platform.  On my 6.2 machines,
attempting to use a USB 2.0 mass-storage device reliably results in a
CPU reset (presumably by way of a triple fault).  The symptoms were
the same in 5.x.  The only workaround I've found has been to compile a
custom kernel without the ehci driver, but it would be nice if this
worked some day.

FWIW, these are all AMD machines, and the symptoms are the same on VIA
(ASUS A8V), NVIDIA (ASUS A8N-E), and SIS (Acer Aspire 5002) chipsets.
The machine with the NVIDIA chipset runs in 32-bit mode, and replaced
an earlier ASUS A7something with a VIA chipset and the same symptoms.

-GAWollman
Comment 3 Antonio Huete Jimenez 2011-03-15 22:47:02 UTC
Hi,

I got a M2N4-SLI mobo. I've been able to use a logitech USB
mouse/keyboard as well as a Kinston USB stick. Both were attached to
OHCI, not EHCI. Find below more information about it:

FreeBSD  7.4-RC1 FreeBSD 7.4-RC1 #0: Wed Dec 22 18:45:47 UTC 2010
root@walker.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386

# usbdevs -v
Controller /dev/usb0:
addr 1: full speed, self powered, config 1, OHCI root hub(0x0000),
nVidia(0x0000), rev 1.00
 port 1 powered
 port 2 powered
 port 3 powered
 port 4 addr 2: full speed, self powered, config 1, product
0x8021(0x8021), vendor 0x0557(0x0557), rev 1.00
  port 1 addr 3: low speed, power 100 mA, config 1, product
0x1400(0x1400), vendor 0x04d9(0x04d9), rev 1.43
  port 2 powered
  port 3 powered
  port 4 powered
 port 5 powered
 port 6 powered
 port 7 powered
 port 8 powered
 port 9 powered
 port 10 powered
Controller /dev/usb1:
addr 1: high speed, self powered, config 1, EHCI root hub(0x0000),
nVidia(0x0000), rev 1.00
 port 1 powered
 port 2 powered
 port 3 powered
 port 4 powered
 port 5 powered
 port 6 powered
 port 7 powered
 port 8 powered
 port 9 powered
 port 10 powered

uhub2: <vendor 0x0557 product 0x8021, class 9/0, rev 1.10/1.00, addr 2> on uhub0
uhub2: 4 ports with 4 removable, self powered
ukbd0: <vendor 0x04d9 product 0x1400, class 0/0, rev 1.10/1.43, addr 3> on uhub2
kbd2 at ukbd0
ums0: <vendor 0x04d9 product 0x1400, class 0/0, rev 1.10/1.43, addr 3> on uhub2
ums0: 5 buttons and Z dir.
ums1: <vendor 0x04d9 product 0x1400, class 0/0, rev 1.10/1.43, addr 3> on uhub2
ums1: 5 buttons and Z dir.

Cheers,
Antonio Huete
Comment 4 Eitan Adler freebsd_committer freebsd_triage 2017-12-31 07:59:39 UTC
For bugs matching the following criteria:

Status: In Progress Changed: (is less than) 2014-06-01

Reset to default assignee and clear in-progress tags.

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