Bug 5250

Summary:	Cannot find USB devices on 2.6.13.1, on ICH4m chipset
Product:	Drivers	Reporter:	Sam Freed (sam)
Component:	PCI	Assignee:	Greg Kroah-Hartman (greg)
Status:	REJECTED DOCUMENTED
Severity:	high	CC:	akpm
Priority:	P2
Hardware:	i386
OS:	Linux
Kernel Version:	2.6.13.1	Subsystem:
Regression:	---	Bisected commit-id:
Bug Depends on:
Bug Blocks:	5089
Attachments:	The .config file the dmesg output lspci -v lspci 2.6.11.5 messsages 2.6.11.5 lspci -v

Description Sam Freed 2005-09-14 07:13:52 UTC

Most recent kernel where this bug did not occur: 2.6.11.5
Distribution: Debian unstable
Hardware Environment: Toshiba R100 laptop, see
http://www.freed.net/opensource/R100.html
Software Environment: Vanilla 2.6.13.1 from kernel.org
Problem Description:
Geting the message "ehci_hcd 0000:00:1d.7: Unlink after no-IRQ?  Controller is
probably using the wrong IRQ" when trying to get at USB, following some bad PCI
stuff above, see dmesg.

Steps to reproduce:
Boot the machine into 2.6.13.1

Comment 1 Sam Freed 2005-09-14 07:15:19 UTC

Created attachment 6013 [details]
The .config file

Comment 2 Sam Freed 2005-09-14 07:16:20 UTC

Created attachment 6014 [details]
the dmesg output

Comment 3 Sam Freed 2005-09-14 07:16:56 UTC

Created attachment 6015 [details]
lspci -v

Comment 4 Sam Freed 2005-09-14 07:17:28 UTC

Created attachment 6016 [details]
lspci

Comment 5 David Brownell 2005-09-14 12:05:04 UTC

Please report whether (and how!) the IRQ assignments are different
between 2.6.11.5 and 2.6.13.1 ... if they're different (like EHCI
not being on irq11) that suggests the issue is ACPI IRQ setup again.

Also, that "UHCI irq happens too early" thing seems likely to be
related to BIOS issues.  Try the "usb-handoff" kernel command line
parameter, and disabling USB keyboard/mouse support in the BIOS.

Comment 6 Sam Freed 2005-09-14 13:49:16 UTC

Created attachment 6025 [details]
2.6.11.5 messsages

Comment 7 Sam Freed 2005-09-14 13:51:10 UTC

This is my first Kernel Bug, so bear with me --- I am attachning the
/var/log/messages and lspci -v from the 2.6.11.5. I will try later to boot with
the option you mentioned. and dig into the BIOS to play with the USB keyboard
stuff.

Comment 8 Sam Freed 2005-09-14 13:51:58 UTC

Created attachment 6026 [details]
2.6.11.5 lspci -v

Comment 9 Sam Freed 2005-09-15 05:15:37 UTC

"usb-handoff" worked. Oddly, it did not work as an "append=" in lilo.conf. I
suppose now it becomes a doc issue.

Comment 10 Greg Kroah-Hartman 2005-10-05 10:34:43 UTC

Ok, closing then.