Re: iMX31 USB Oops on kernel 2.6.19.2

On Tue, 16 Oct 2007, hong zhang wrote:

> Alan,
> 
> Running mkfs.ext3 -j /dev/sda1 for usb scsi hard disk
> on freescale iMX31(ARM) will get kernel panic. As you
> suggested, I did find out statement in offending
> function start_unlink_async. But I could not find
> which register has 0 value. I try to add printk but it
> does not print out when kernel panic occurs in
> 2.6.19.2. It has no problem in 2.6.10 for myself. And
> another people in arm kernel list says 2.6.16 is Ok
> but 2.6.19 has similar problem.
> 
> I met two kernel panic see item A (line 1016) and
> B(line 155).

I can't tell for sure because I don't know ARM assembly language.  It 
looks as though start_unlink_async() is being called with ehci equal to 
NULL.  You can test for that easily enough.

Alan Stern


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