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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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.

Thanks,
Harshit

Regards,
Salvatore





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