RE: [BUG] hpsa: Controller lockup detected: 0x00150028

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No, the problem here (iirc) actually dealt with buffers in the firmware.

Don or Mark, agree?

Joe

-----Original Message-----
From: Peter Zijlstra [mailto:peterz@xxxxxxxxxxxxx] 
Sent: Friday, May 22, 2015 11:40 AM
To: Tomas Henzl
Cc: Oelke, Mark; don.brace@xxxxxxxx; ISS StorageDev; storagedev@xxxxxxxx; linux-scsi@xxxxxxxxxxxxxxx
Subject: Re: [BUG] hpsa: Controller lockup detected: 0x00150028

On Fri, May 22, 2015 at 05:10:44PM +0200, Tomas Henzl wrote:
> >> I've updated to 6.62 and it appears to be working now; or rather, it has

I've since gotten 6.64 from HP to test; which does not seem public yet.

6.64 actually fixes the issue for me.

> An older issue for mptsas seems to handle a similar case
> 2a1b7e575b [SCSI] mptsas: fix hangs caused by ATA pass-through
> that might be for hpsa -

> --- a/drivers/scsi/hpsa.c
> +++ b/drivers/scsi/hpsa.c
> @@ -1067,6 +1067,8 @@ static int hpsa_slave_alloc(struct scsi_device *sdev)
>         if (sd != NULL)
>                 sdev->hostdata = sd;
>         spin_unlock_irqrestore(&h->devlock, flags);
> +
> +       blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
>         return 0;
>  }

That does indeed seem _very_ similar; I'll have to defer to Mark Oelke
and or Don Brace to say if the above is a useful alternative. Since they
seem to now know what was the root cause.
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