Re: [6.1.y] Regression from b1e6e80a1b42 ("xen/swiotlb: add alignment check for dma buffers") when booting with Xen and mpt3sas_cm0 _scsih_probe failures

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On 15.02.25 13:34, Greg KH wrote:
On Sat, Feb 15, 2025 at 12:47:57PM +0100, Jürgen Groß wrote:
On 12.02.25 16:12, Harshit Mogalapalli wrote:
Hi Salvatore,

On 12/02/25 00:56, Salvatore Bonaccorso wrote:
Hi Harshit,

On Sun, Feb 09, 2025 at 01:45:38AM +0530, Harshit Mogalapalli wrote:
Hi Salvatore,

On 08/02/25 21:26, Salvatore Bonaccorso wrote:
Hi Juergen, hi all,

Radoslav Bodó reported in Debian an issue after updating our kernel
from 6.1.112 to 6.1.115. His report in full is at:

https://bugs.debian.org/1088159


Note:
We have seen this on 5.4.y kernel: More details here:
https://lore.kernel.org/all/9dd91f6e-1c66-4961-994e-dbda87d69dad@xxxxxxxxxx/

Thanks for the pointer, so looking at that thread I suspect the three
referenced bugs in Debian are in the end all releated. We have one as
well relating to the megasas_sas driver, this one for the mpt3sas
driver and one for the i40e driver).

AFAICS, there is not yet a patch which has landed upstream which I can
redirect to a affected user to test?


Konrad pointed me at this thread: https://lore.kernel.org/
all/20250211120432.29493-1-jgross@xxxxxxxx/

This has some fixes, but not landed upstream yet.

Patches are upstream now. In case you still experience any problems, please
speak up.

What specific commits should be backported here?

Those are:

e93ec87286bd1fd30b7389e7a387cfb259f297e3
85fcb57c983f423180ba6ec5d0034242da05cc54


Juergen


thanks,

greg k-h

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