Re: USB: panic with printk

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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.

Manuel
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