From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Subject: Re: 5.1-rc1: mpt init crash in scsi_map_dma, dma_4v_map_sg on sparc64
Date: Thu, 4 Apr 2019 07:05:29 -0700
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To: Meelis Roos <mroos-Y27EyoLml9s@public.gmane.org>
Cc: sparclinux-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, MPT-FusionLinux.pdl-dY08KVG/lbpWk0Htik3J/w@public.gmane.org, linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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On Thu, Apr 04, 2019 at 10:11:43AM +0300, Meelis Roos wrote:
> > I think this might have been this commit:
> > 
> > commit 24132a419c68f1d69eb8ecc91b3c80d730ecbb59
> > Author: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
> > Date:   Fri Feb 15 09:30:28 2019 +0100
> > 
> >      sparc64/pci_sun4v: allow large DMA masks
> > 
> > the patch below adds a few missing checks and hopefully should fix
> > your problem.  If not can you try to revert the commit to check if
> > my theory was correct to start with?
> Yes, reverting this commit makes my T1000 boot.

Does the patch attached to the last mail work as well?