Date: Sat, 21 Jan 2006 23:55:46 -0800
From: Andrew Morton <akpm@osdl.org>
To: "Carlo E. Prelz" <fluido@fluido.as>
Cc: linux-kernel@vger.kernel.org, linux-usb-devel@lists.sourceforge.net
Subject: Re: ATI RS480-based motherboard: stuck while booting with kernel >=
 2.6.15 rc1
Message-Id: <20060121235546.68f50bd5.akpm@osdl.org>
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"Carlo E. Prelz" <fluido@fluido.as> wrote:
>
> 	Subject: Re: ATI RS480-based motherboard: stuck while booting with kernel >= 2.6.15 rc1
> 	Date: sab 21 gen 06 12:58:22 -0800
> 
> Quoting Andrew Morton (akpm@osdl.org):
> 
> > If you have a web server somewhere, just upload the .jpg file.  Or send it
> > to me and I can do that.
> 
> The latest screenshot can be found at
> http://www.fluido.as/files/images/screenshot.jpg
> 
> > > Calling initcall 0xffffffff8026836c: pci_init+0x0/0x2b()
> > > 
> > > 
> > > And then the machine freezes. I may add that, with 2.6.14.6, I am
> > > getting errors like:
> > 
> > OK, it looks like a PCI initcall went South.  Can you please add this, then
> > when it hangs, record the last few lines then send us those, as well as the
> > output of `lspci -vx'?
> 
> These lines appear at the end of the logfile:
> 
> pci_init: 10025950
> pci_init: 10025a3f
> pci_init: 1002437a
> pci_init: 10024379
> pci_init: 10024374
> pci_init: 10024375
> pci_init: 10024373
> 
> and 1002:4373 is the USB2 (EHCI) controller. I attach the output of
> lspci -vx. Even with 2.6.14.6, I have problems with USB. It did not
> work at all, then I downloaded the latest bios, and now, right after
> boot, usb works OK.

OK, so it sounds like quirk_usb_disable_ehci() caused your machine to hang
with the old BIOS.  That's fairly bad behaviour from the kernel, even
though the BIOS presumably had some problems.

> But after some time (possibly after the first APIC
> error message), newly inserted USB disks are not detected anymore, and
> I had one case in which a mounted disk was not accessible anymore. 

Can you please gather some more details on this and prepare a new report? 
The full demsg output, machine description, etc.  It might be best to do
this via a new bugzilla.kernel.org record so we know where to find it.

Thanks.

> I just bought the motherboard - I did not make too many tests.
> 
> > Is this new behaviour?  If so, are you able to pinpoint the latest kernel
> > which didn't have such problems?
> 
> The motherboard is new. With the previous motherboard (via k8t88
> based), using the same processor and most of the same boards, I did
> not have any of these problems.

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