Re: [sparc64] 2.6.18 unaligned acccess in ehci_hub_control

From: David Miller
Date: Fri Sep 22 2006 - 18:22:58 EST


From: Mikael Pettersson <mikpe@xxxxxxxx>
Date: Sat, 23 Sep 2006 00:15:41 +0200 (MEST)

> I rechecked with 2.6.18 final, and the behaviour is as I described:
> gcc-4.1.1 causes the alignment exceptions, while gcc-3.4.6 does not.
> I didn't get any PCI errors now, but I'm sure I did get them in the
> 2.6.17 or early 2.6.18-rc kernels.
>
> Here's a dmesg diff to show what happens, between the gcc-4.1.1
> and gcc-3.4.6 compiled kernels. The first part is from kernel
> bootup + user-space modprobe of the USB EHCI etc modules:

Thanks for taking a look into this, I'll dig deeper when
I get a chance.
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