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

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Date:	Wed, 15 Jun 2011 18:40:35 +0200
From:	Oliver Hartkopp <socketcan@...tkopp.net>
To:	Ram Pai <linuxram@...ibm.com>
CC:	Yinghai Lu <yinghai@...nel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: sdhci-pci fails on 3.0.0-rc1 on Dell E6510

On 12.06.2011 22:44, Ram Pai wrote:
> On Wed, Jun 08, 2011 at 08:26:14AM +0200, Oliver Hartkopp wrote:
>> On 08.06.2011 00:18, Yinghai Lu wrote:
>>> thanks.
>>>
>>> second report.
>>>
>>> can you send out whole boot log.
>>
>> See attached dmesg output. The 'dirty' is due to the revert test of the sd/mmc
>> stuff (see below) - the rest is plain 3.0.0-rc2.
>>
>> Good luck :-)
> 
> Looks like the kernel; by default, tries to allocate mem resource of size
> 0x4000000 each to the BARs of the cardbus bridge. This cannot be satisfied
> meeting all the constraints. The BIOS had not allocated the resource to
> begin with.
> 
> Anyone knows if the default value can be reduced to something smaller?
> Or Should the resource requirements of cardbus bridge be made nice-to-have?

Don't know ...

Is anyone already working on this issue?

I'm currently running 3.0.0-rc3-00055-gada9c93 which still does not work.

Will say: 'Send more patches!' ... that i can test, if you still like the
problematic commit's idea ;-)

Regards,
Oliver

>>
>>>
>>> On 06/07/2011 01:06 PM, Oliver Hartkopp wrote:
>>>> 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 ...
>>>>
> 
> ....
> RP
>>>> 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
>>>>
>>>
>>
> 
> ...snip...
> RP

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