linux-kernel - Re: [2.6.23.9] hostap_plx locks up PC when reading PCI I/O memory

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Date:	Wed, 12 Dec 2007 10:22:25 +0000 (GMT)
From:	Chris Rankin <rankincj@...oo.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	dcbw@...hat.com, linux-kernel@...r.kernel.org,
	linux-wireless@...r.kernel.org
Subject: Re: [2.6.23.9] hostap_plx locks up PC when reading PCI I/O memory

--- Andrew Morton <akpm@...ux-foundation.org> wrote:
> hm.  Could be some platform thing.  Strange.  It might be worth checking
> around that ioremap, make sure that the value which it returned is the one
> which is being used in the function-which-hangs, etc.

OK, not difficult to try. (This is x86, BTW.) But I'm still baffled as to precisely why it is
hanging. Is it waiting for a value from the PCI bus that never appears, or something? Are there
any other PCI-related tests that I can do to check that the device has been initialised correctly
on the bus, please?

> hostap_plx.c first appeared in 2.6.14.

OK, I can build one of those kernels. Before then, I think that hostap was provided as an external
source package.

Cheers,
Chris


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