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Gmane
From: Oliver Hartkopp <socketcan <at> hartkopp.net>
Subject: Re: sdhci-pci fails on 3.0.0-rc1 on Dell E6510
Newsgroups: gmane.linux.kernel.mmc
Date: Tuesday 7th June 2011 20:06:05 UTC (over 5 years ago)
On 07.06.2011 20:36, Oliver Hartkopp wrote:
Hi all,

the commit "PCI: update bridge resources to get more big ranges when
allocating space (again)"

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=da7822e5ad71ec9b745b412639f1e5e0ba795a20

kills my SD-Card and the PCMCIA slot on a Dell E6510 with the latest
3.0.0-rc2 ...

When i revert the commit both the MMC/SD stuff and the PCMCIA re-appears.

Any idea?

See my attached boot.diff / kernel config 

Regards,
Oliver




> 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
 
CD: 5ms