From: Abdul Haleem <abdhalee@linux•vnet.ibm.com>
To: Christoph Hellwig <hch@infradead•org>
Cc: linuxppc-dev <linuxppc-dev@lists•ozlabs.org>,
sachinp <sachinp@linux•vnet.ibm.com>,
linux-scsi <linux-scsi@vger•kernel.org>,
jcmvbkbc@gmail•com, linux-next <linux-next@vger•kernel.org>,
Oliver <oohall@gmail•com>,
"aneesh.kumar" <aneesh.kumar@linux•vnet.ibm.com>,
Brian King <brking@linux•vnet.ibm.com>,
manvanth <manvanth@linux•vnet.ibm.com>,
iommu@lists•linux-foundation.org,
Sathya Prakash <sathya.prakash@broadcom•com>,
Chaitra P B <chaitra.basappa@broadcom•com>,
Suganath Prabu Subramani <suganath-prabu.subramani@broadcom•com>,
MPT-FusionLinux.pdl@broadcom•com
Subject: Re: [linux-next/mainline][bisected 3acac06][ppc] Oops when unloading mpt3sas driver
Date: Tue, 25 Feb 2020 11:50:44 +0530 [thread overview]
Message-ID: <1582611644.19645.6.camel@abdul.in.ibm.com> (raw)
In-Reply-To: <1579265473.17382.5.camel@abdul>
On Fri, 2020-01-17 at 18:21 +0530, Abdul Haleem wrote:
> On Thu, 2020-01-16 at 09:44 -0800, Christoph Hellwig wrote:
> > Hi Abdul,
> >
> > I think the problem is that mpt3sas has some convoluted logic to do
> > some DMA allocations with a 32-bit coherent mask, and then switches
> > to a 63 or 64 bit mask, which is not supported by the DMA API.
> >
> > Can you try the patch below?
>
> Thank you Christoph, with the given patch applied the bug is not seen.
>
> rmmod of mpt3sas driver is successful, no kernel Oops
>
> Reported-and-tested-by: Abdul Haleem <abdhalee@linux•vnet.ibm.com>
Hi Christoph,
I see the patch is under discussion, will this be merged upstream any
time soon ? as boot is broken on our machines with out your patch.
--
Regard's
Abdul Haleem
IBM Linux Technology Centre
next prev parent reply other threads:[~2020-02-25 6:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-08 13:18 [linux-next/mainline][bisected 3acac06][ppc] Oops when unloading mpt3sas driver Abdul Haleem
2020-01-09 8:57 ` Abdul Haleem
2020-01-09 14:22 ` Christoph Hellwig
2020-01-14 5:47 ` Abdul Haleem
2020-01-16 6:42 ` Michael Ellerman
2020-01-16 17:44 ` Christoph Hellwig
2020-01-17 12:51 ` Abdul Haleem
2020-02-25 6:20 ` Abdul Haleem [this message]
2020-02-25 6:53 ` Sreekanth Reddy
2020-03-20 9:59 ` Abdul Haleem
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