Re: 2.6.25-rc6 hangs at resume after suspend to RAM on Mac mini CoreDuo

[Alan Stern]

On Tue, 1 Apr 2008, Tino Keitel wrote:

> git-bisect revealed this:
> 
> $ git bisect good
> e82cc1288fa57857c6af8c57f3d07096d4bcd9d9 is first bad commit
> commit e82cc1288fa57857c6af8c57f3d07096d4bcd9d9
> Author: David Brownell <david-b@xxxxxxxxxxx>
> Date:   Fri Mar 7 13:49:42 2008 -0800
> 
>     USB: fix ehci unlink regressions

> For the linux-usb people: this commit breaks resume from suspend to RAM
> on my Mac mini Core Duo. It worked with 2.6.24, 2.6.25-rc5, and was
> broken since 2.6.25-rc6 (also with -rc7 and later). See
> http://lkml.org/lkml/2008/3/20/23 for more information.

Can you get any information out of the computer after the hang?  It 
would help to see the dmesg log (with CONFIG_USB_DEBUG enabled) and an 
Alt-SysRq-T stack dump.

Alan Stern

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