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SubjectRe: Linux-next 20190218: am57xx-evm: mmc1: ADMA error
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Hi Ming Lei,

On 26/02/19 7:11 AM, Ming Lei wrote:
> On Mon, Feb 25, 2019 at 9:14 PM Faiz Abbas <faiz_abbas@ti.com> wrote:
>>
>> Hi Naresh,
>>
>> + Commit authors.
>>
>> On 19/02/19 6:38 PM, Faiz Abbas wrote:
>>> Hi Naresh,
>>>
>>> On 18/02/19 6:57 PM, Naresh Kamboju wrote:
>>>> Do you see this error on am57xx-evm running Linux next 20190218 ?
>>>> I have tested on multiple devices and found this error.
>>>> Please find the full boot log [1].
>>>> Am i missing any pre required configs [2] ?
>>>>
>>>> [ 5.620263] mmc1: ADMA error
>>>> [ 5.623266] mmc1: sdhci: ============ SDHCI REGISTER DUMP ===========
>>>> [ 5.629740] mmc1: sdhci: Sys addr: 0x00000000 | Version: 0x00003302
>>>> [ 5.636215] mmc1: sdhci: Blk size: 0x00000200 | Blk cnt: 0x0000ffff
>>>> [ 5.642690] mmc1: sdhci: Argument: 0x002cec70 | Trn mode: 0x00000033
>>>> [ 5.649162] mmc1: sdhci: Present: 0x01f00000 | Host ctl: 0x00000010
>>>> [ 5.655634] mmc1: sdhci: Power: 0x0000000f | Blk gap: 0x00000000
>>>> [ 5.662108] mmc1: sdhci: Wake-up: 0x00000000 | Clock: 0x00000107
>>>> [ 5.668582] mmc1: sdhci: Timeout: 0x0000000c | Int stat: 0x00000000
>>>> [ 5.675055] mmc1: sdhci: Int enab: 0x027f000b | Sig enab: 0x027f000b
>>>> [ 5.681529] mmc1: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000000
>>>> [ 5.688002] mmc1: sdhci: Caps: 0x21e90080 | Caps_1: 0x00000f77
>>>> [ 5.694474] mmc1: sdhci: Cmd: 0x0000123a | Max curr: 0x00000000
>>>> [ 5.700949] mmc1: sdhci: Resp[0]: 0x00000900 | Resp[1]: 0xffffffef
>>>> [ 5.707423] mmc1: sdhci: Resp[2]: 0x0f5903ff | Resp[3]: 0xd04f0132
>>>> [ 5.713896] mmc1: sdhci: Host ctl2: 0x00000004
>>>> [ 5.718364] mmc1: sdhci: ADMA Err: 0x00000007 | ADMA Ptr: 0xab868218
>>>>
>>>
>>> I see this as well on my setup. Trying to bisect now. Will keep you posted.
>>
>>
>> Reverting the following commit fixes this.
>> commit 07173c3ec276cbb18dc0e0687d37d310e98a1480
>> Author: Ming Lei <ming.lei@redhat.com>
>> Date: Fri Feb 15 19:13:20 2019 +0800
>>
>> block: enable multipage bvecs
>>
>> This patch pulls the trigger for multi-page bvecs.
>>
>> Reviewed-by: Omar Sandoval <osandov@fb.com>
>> Signed-off-by: Ming Lei <ming.lei@redhat.com>
>> Signed-off-by: Jens Axboe <axboe@kernel.dk>
>
> Hi,
>
> Thanks for your report & bisect.
>
> Could you test the following patch?
>
> https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?h=for-5.1/block&id=8f4e80da764ec1ca44c83f3e17dbc9bf0209bccc
>
> Or simply run the latest -next?

That didn't fix it for me. Still see ADMA error.

[ 13.126186] mmc0: ADMA error
[ 13.129084] mmc0: sdhci: ============ SDHCI REGISTER DUMP ===========
[ 13.135552] mmc0: sdhci: Sys addr: 0x00000000 | Version: 0x00003302
[ 13.142019] mmc0: sdhci: Blk size: 0x00000200 | Blk cnt: 0x00000000
[ 13.148485] mmc0: sdhci: Argument: 0x00000089 | Trn mode: 0x00000033
[ 13.154952] mmc0: sdhci: Present: 0x00000000 | Host ctl: 0x00000012
[ 13.161418] mmc0: sdhci: Power: 0x0000000f | Blk gap: 0x00000000
[ 13.167885] mmc0: sdhci: Wake-up: 0x00000000 | Clock: 0x00000107
[ 13.174351] mmc0: sdhci: Timeout: 0x0000000a | Int stat: 0x00000000
[ 13.180817] mmc0: sdhci: Int enab: 0x027f000b | Sig enab: 0x027f000b
[ 13.187282] mmc0: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00000000
[ 13.193748] mmc0: sdhci: Caps: 0x25e90080 | Caps_1: 0x00000f77
[ 13.200215] mmc0: sdhci: Cmd: 0x0000123a | Max curr: 0x00000000
[ 13.206682] mmc0: sdhci: Resp[0]: 0x00000900 | Resp[1]: 0x3b377f80
[ 13.213148] mmc0: sdhci: Resp[2]: 0x5b590000 | Resp[3]: 0x400e0032
[ 13.219613] mmc0: sdhci: Host ctl2: 0x00000000
[ 13.224073] mmc0: sdhci: ADMA Err: 0x00000007 | ADMA Ptr: 0xae857288
[ 13.230538] mmc0: sdhci: ============================================

Full Log:

https://pastebin.ubuntu.com/p/4yGqgJCGZQ/

Thanks,
Faiz

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