From: Andrew Cooper <Andrew.Cooper3@citrix.com>
To: Juergen Gross <jgross@suse.com>,
Joost Roeleveld <joost@antarean.org>,
Christoph Hellwig <hch@infradead.org>
Cc: jejb@linux.ibm.com,
Sreekanth Reddy <sreekanth.reddy@broadcom.com>,
Bart Van Assche <bvanassche@acm.org>,
Salvatore Bonaccorso <carnil@debian.org>,
sathya.prakash@broadcom.com,
suganath-prabu.subramani@broadcom.com,
"Martin K. Petersen" <martin.petersen@oracle.com>,
MPT-FusionLinux.pdl@broadcom.com, linux-scsi@vger.kernel.org,
linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org,
adi@kriegisch.at
Subject: Re: Report in downstream Debian: mpt3sas broken with xen dom0 with update to 5.10.149 in 5.10.y.
Date: Tue, 14 Mar 2023 11:41:08 +0000 [thread overview]
Message-ID: <8cc36c16-4aa0-9c47-ab2f-c75c1e22772f@citrix.com> (raw)
In-Reply-To: <4c5de098-5cd3-116b-54cb-6972c6c06818@suse.com>
On 14/03/2023 11:23 am, Juergen Gross wrote:
> On 14.03.23 12:17, Joost Roeleveld wrote:
>>> On Mon, Oct 24, 2022 at 05:28:05PM +0000, Andrew Cooper wrote:
>>>> I don't know exactly how this translates to Linux internals, but most
>>>> devices are fine and it's routinely the mpt2/3sas drivers which
>>>> encounter problems. It would be lovely if we could get to the
>>>> bottom of
>>>> this for once and for all.
>>>
>>> So to summarize my two mails: I think te use of dma_get_required_mask
>>> in mpt3sas is wrong, and the dma_get_required_mask return value from
>>> xen-swiotlb is also wrong. Fixing either one should fix this problem,
>>> and I think we should fix both.
>>
>> Hi all,
>>
>> Is there anything that can be done to get this fixed in xen and the
>> kernel somehow?
>> I keep having to manually patch the mpt3sas driver to prevent it from
>> being able to switch to 32bit mode each time I upgrade the kernel.
>
> Just use 5.10.173.
Its still broken even in 6.1
We've just stumbled over this yet again in XenServer.
~Andrew
next prev parent reply other threads:[~2023-03-14 11:43 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-21 9:22 Report in downstream Debian: mpt3sas broken with xen dom0 with update to 5.10.149 in 5.10.y Salvatore Bonaccorso
2022-10-23 1:27 ` Bart Van Assche
2022-10-24 11:56 ` Sreekanth Reddy
2022-10-24 12:51 ` James Bottomley
2022-10-24 13:20 ` Juergen Gross
2022-10-24 16:58 ` Christoph Hellwig
2022-10-24 17:28 ` Andrew Cooper
2022-10-24 17:32 ` Christoph Hellwig
[not found] ` <20230314111752.EGroupware.TiNRv1BSroWqKL7zQtfNLJ8@_>
2023-03-14 11:23 ` Juergen Gross
2023-03-14 11:41 ` Andrew Cooper [this message]
2023-03-14 12:07 ` Salvatore Bonaccorso
2022-10-24 12:55 ` Juergen Gross
2022-10-24 18:50 ` James Bottomley
2022-10-25 4:32 ` Juergen Gross
2022-10-25 6:38 ` Juergen Gross
2022-10-24 14:58 ` Adi Kriegisch
2022-10-24 17:30 ` Christoph Hellwig
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=8cc36c16-4aa0-9c47-ab2f-c75c1e22772f@citrix.com \
--to=andrew.cooper3@citrix.com \
--cc=MPT-FusionLinux.pdl@broadcom.com \
--cc=adi@kriegisch.at \
--cc=bvanassche@acm.org \
--cc=carnil@debian.org \
--cc=hch@infradead.org \
--cc=jejb@linux.ibm.com \
--cc=jgross@suse.com \
--cc=joost@antarean.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=martin.petersen@oracle.com \
--cc=sathya.prakash@broadcom.com \
--cc=sreekanth.reddy@broadcom.com \
--cc=suganath-prabu.subramani@broadcom.com \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).