Re: USB: panic with printk

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On Mon, 2012-07-16 at 17:37 +0200, Daniel Mack wrote:
> (Cc Kay and Joe)
> 
> On 16.07.2012 17:03, Manuel Lauss wrote:
> > On Mon, Jul 16, 2012 at 1:38 PM, Daniel Mack <zonque@xxxxxxxxx> wrote:
> >> On 09.07.2012 14:01, Manuel Lauss wrote:
> >>> Hello,
> >>>
> >>> Current 3.5-rc5-git panics on my MIPS targets during USB host
> >>> controller initialization.
> >>> Disabling CONFIG_PRINTK fixes it.
> >>>
> >>> ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> >>> au1xxx-ehci au1xxx-ehci.0: Au1xxx EHCI
> >>> au1xxx-ehci au1xxx-ehci.0: new USB bus registered, assigned bus number 1
> >>> au1xxx-ehci au1xxx-ehci.0: irq 98, io mem 0x14020000
> >>> Unhandled kernel unaligned access[#1]:
> >>
> >> Try cherry-picking this one:
> >>
> >>
> >> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=6ebb017
> > 
> > 3.5-rc7, which has this patch, still has this bug. Although the "bug"s
> > appearance
> > seems to depend on link order:  A kernel built at first with EHCI
> > built-in doesn't
> > work; however rebuilding without EHCI and again rebuilding with EHCI after that
> > makes it work.

? That doesn't really make any sense to me.
A built-in rebuild works sometimes?


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