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From:   James Hilliard <james.hilliard1@gmail.com>
Date:   Sun, 13 Nov 2022 14:42:59 -0400
Message-ID: <CADvTj4qH5xuK9ecEPi3Pm9t962E=nnH0oTBqWv4UPmibeASqdQ@mail.gmail.com>
Subject: Re: [PATCH v3 0/1] aacraid: Host adapter Adaptec 6405 constantly
 resets under high io load
To:     Sagar.Biradar@microchip.com
Cc:     martin.petersen@oracle.com, khorenko@virtuozzo.com,
        christian@grossegger.com, aacraid@microsemi.com,
        Don.Brace@microchip.com, Tom.White@microchip.com,
        linux-scsi@vger.kernel.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Thu, Oct 27, 2022 at 1:17 PM <Sagar.Biradar@microchip.com> wrote:
>
> Hi James and Konstantin,
>
> *Limiting the audience to avoid spamming*
>
> Sorry for delayed response as I was on vacation.
> This one got missed somehow as someone else was looking into this and is =
no longer with the company.
>
> I will look into this, meanwhile I wanted to check if you (or someone els=
e you know) had a chance to test this thoroughly with the latest kernel?
> I will get back to you with some more questions or the confirmation in a =
day or two max.

Did this ever get looked at?

As this exact patch was merged into the vendor aacraid a while ago I'm not =
sure
why it wouldn't be good to merge to mainline as well.

Vendor aacraid release with this patch merged:
https://download.adaptec.com/raid/aac/linux/aacraid-linux-src-1.2.1-60001.t=
gz

>
>
> Thanks for your patience.
> Sagar
>
>
> -----Original Message-----
> From: James Hilliard <james.hilliard1@gmail.com>
> Sent: Thursday, October 27, 2022 1:40 AM
> To: Martin K. Petersen <martin.petersen@oracle.com>
> Cc: Konstantin Khorenko <khorenko@virtuozzo.com>; Christian Gro=C3=9Fegge=
r <christian@grossegger.com>; linux-scsi@vger.kernel.org; Adaptec OEM Raid =
Solutions <aacraid@microsemi.com>; Sagar Biradar - C34249 <Sagar.Biradar@mi=
crochip.com>; Linux Kernel Mailing List <linux-kernel@vger.kernel.org>; Don=
 Brace - C33706 <Don.Brace@microchip.com>
> Subject: Re: [PATCH v3 0/1] aacraid: Host adapter Adaptec 6405 constantly=
 resets under high io load
>
> EXTERNAL EMAIL: Do not click links or open attachments unless you know th=
e content is safe
>
> On Wed, Oct 19, 2022 at 2:03 PM Konstantin Khorenko <khorenko@virtuozzo.c=
om> wrote:
> >
> > On 10.10.2022 14:31, James Hilliard wrote:
> > > On Tue, Feb 22, 2022 at 10:41 PM Martin K. Petersen
> > > <martin.petersen@oracle.com> wrote:
> > >>
> > >>
> > >> Christian,
> > >>
> > >>> The faulty patch (Commit: 395e5df79a9588abf) from 2017 should be
> > >>> repaired with Konstantin Khorenko (1):
> > >>>
> > >>>    scsi: aacraid: resurrect correct arc ctrl checks for Series-6
> > >>
> > >> It would be great to get this patch resubmitted by Konstantin and
> > >> acked by Microchip.
>
> Can we merge this as is since microchip does not appear to be maintaining=
 this driver any more or responding?
>
> > >
> > > Does the patch need to be rebased?
> >
> > James, i have just checked - the old patch (v3) applies cleanly onto la=
test master branch.
> >
> > > Based on this it looks like someone at microchip may have already rev=
iewed:
> > > v3 changes:
> > >   * introduced another wrapper to check for devices except for Series=
 6
> > >     controllers upon request from Sagar Biradar (Microchip)
> >
> > Well, back in the year 2019 i've created a bug in RedHat bugzilla
> > https://bugzilla.redhat.com/show_bug.cgi?id=3D1724077
> > (the bug is private, this is default for Redhat bugs)
> >
> > In this bug Sagar Biradar (with the email @microchip.com) suggested me
> > to rework the patch - i've done that and sent the v3.
> >
> > And nothing happened after that, but in a ~year (2020-06-19) the bug
> > was closed with the resolution NOTABUG and a comment that S6 users will=
 find the patch useful.
> >
> > i suppose S6 is so old that RedHat just does not have customers using
> > it and Microchip company itself is also not that interested in handling=
 so old hardware issues.
> >
> > Sorry, i was unable to get a final ack from Microchip, i've written
> > direct emails to the addresses which is found in the internet, tried
> > to connect via linkedin, no luck.
> >
> > --
> > Konstantin Khorenko