From: Christoph Hellwig <hch@infradead.org>
To: Andrew Cooper <Andrew.Cooper3@citrix.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Juergen Gross <jgross@suse.com>,
"jejb@linux.ibm.com" <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" <sathya.prakash@broadcom.com>,
"suganath-prabu.subramani@broadcom.com"
<suganath-prabu.subramani@broadcom.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
"MPT-FusionLinux.pdl@broadcom.com"
<MPT-FusionLinux.pdl@broadcom.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
"adi@kriegisch.at" <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: Mon, 24 Oct 2022 10:32:52 -0700 [thread overview]
Message-ID: <Y1bMRNhmq41/y3Jb@infradead.org> (raw)
In-Reply-To: <858a4288-46ac-d423-a529-b3b77b7fbc8a@citrix.com>
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.
next prev parent reply other threads:[~2022-10-24 20:09 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 [this message]
[not found] ` <20230314111752.EGroupware.TiNRv1BSroWqKL7zQtfNLJ8@_>
2023-03-14 11:23 ` Juergen Gross
2023-03-14 11:41 ` Andrew Cooper
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
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