linux-kernel - Re: sdhci-pci fails on 3.0.0-rc1 on Dell E6510

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Date:	Tue, 07 Jun 2011 20:36:54 +0200
From:	Oliver Hartkopp <socketcan@...tkopp.net>
To:	Chris Ball <cjb@...top.org>
CC:	"S\, Venkatraman" <svenkatr@...com>,
	linux-mmc <linux-mmc@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: sdhci-pci fails on 3.0.0-rc1 on Dell E6510

On 06.06.2011 21:56, Chris Ball wrote:
> Hi Oliver,
> 
> On Mon, Jun 06 2011, Oliver Hartkopp wrote:
>>>> dmesg is a bit more detailed:
>>>> [    6.242510] sdhci-pci 0000:03:00.1: SDHCI controller found [1180:e822] (rev 3)
>>>> [    6.244168] sdhci-pci 0000:03:00.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19
>>>> [    6.245788] sdhci-pci 0000:03:00.1: BAR 0 is not iomem. Aborting.
>>>> [    6.247609] sdhci-pci 0000:03:00.1: PCI INT B disabled
> 
> If you get a chance to do some bisecting, that would be extremely
> helpful -- even just building 3.0 from *before* the MMC tree was
> merged would help a lot, since if the problem still happens before
> the MMC merge we might be looking at some kind of generic PCI bug.
> 


Hi Chris,

i just reverted this pull of your merge window patches in my 3.0.0-rc2 tree:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=8c1c77ff9be27137fa7cbbf51efedef1a2ae915b;hp=f3ae1c75203535f65448517e46c8dd70a56b6c71

And you were right: The problem still exists. So it might be from the PCI subsystem :-(

[    6.167106] sdhci: Secure Digital Host Controller Interface driver
[    6.167108] sdhci: Copyright(c) Pierre Ossman
[    6.194731] ehci_hcd 0000:00:1a.0: cache line size of 64 is not supported
[    6.195140] ehci_hcd 0000:00:1a.0: irq 16, io mem 0xf6970000
[    6.196423] sdhci-pci 0000:03:00.1: SDHCI controller found [1180:e822] (rev 3)
[    6.196429] sdhci-pci 0000:03:00.1: found 1 slot(s)
[    6.196447] sdhci-pci 0000:03:00.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19
[    6.196451] sdhci-pci 0000:03:00.1: BAR 0 is not iomem. Aborting.
[    6.196459] sdhci-pci 0000:03:00.1: PCI INT B disabled

Well then, i'll reset my tree and look for differences in the PCI boot messages.

Thanks,
Oliver
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