2.6.14-rc4 echi_hcd hangs machine

[Borislav Petkov]

Hi Greg,
   I tried to boot 14-rc4 yesterday but it fails when it reaches the init code
   forthe usb host controllers und freezes the machine totally:
   
<snip>
   [4294687.294000] usb usb3: Manufacturer: Linux 2.6.14-rc4 uhci_hcd
   [4294687.300000] usb usb3: SerialNumber: 0000:00:1d.2
   [4294687.321000] hub 3-0:1.0: USB hub found
   [4294687.326000] hub 3-0:1.0: 2 ports detected
   [4294689.363000] ACPI: PCI Interrupt 0000:00:1d.7[D] -> GSI 23 (level, low)	-> IRQ 20
   [4294689.372000] ehci_hcd 0000:00:1d.7: EHCI Host Controller
   [4294689.378000] ehci_hcd 0000:00:1d.7: debug port 1
   <EOF>
</snip>

This happens with rc3 too so I thought it had something in common with this bug:
http://bugzilla.kernel.org/show_bug.cgi?id=5350 but it doesn't seem so. I've got
USB debugging enabled but the above is all you get over the serial console. The
rc? series don't have a kernel debugger so is there any other way to debug this?

Regards,
		Boris.

   

	

	
		
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