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Message-ID: <20071209143237.1e608d9f@laptopd505.fenrus.org> Date: Sun, 9 Dec 2007 14:32:37 -0800 From: Arjan van de Ven <arjan@...radead.org> To: Chris Rankin <rankincj@...oo.com> Cc: Dan Williams <dcbw@...hat.com>, Andrew Morton <akpm@...ux-foundation.org>, 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 On Sun, 9 Dec 2007 22:06:21 +0000 (GMT) Chris Rankin <rankincj@...oo.com> wrote: > --- Arjan van de Ven <arjan@...radead.org> wrote: > > can you check if the attr_mem is properly ioremap'd ? > > (probably with ioremap_nocache) > > Can you elaborate, please? I am not familiar with these I/O > primitives. the memory you feed to readl() and co isnt the actual PCI resource; you need to use ioremap() on the PCI resource to get a pointer that you can then feed to readl().... > > > I wonder if there's anything else in that area as well.. > > So I should check /proc/iomem? But wouldn't Linux complain if two PCI > devices conflicted as you're suggesting? the other one might not be PCI.. -- If you want to reach me at my work email, use arjan@...ux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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