RE: [PATCH 2.6.0] megaraid 64bit fix/cleanup (AMD64)

From: Mukker, Atul
Date: Fri Apr 16 2004 - 14:30:09 EST


It is 64-bit safe and tested, to some degree, on 64-bit platforms as well.

Thanks
-Atul Mukker

> -----Original Message-----
> From: Jord Tanner [mailto:jord@xxxxxxxxxxxxx]
> Sent: Friday, April 16, 2004 3:22 PM
> To: Mukker, Atul
> Cc: linux-kernel@xxxxxxxxxxxxxxx; brad_mssw@xxxxxxxxxx
> Subject: RE: [PATCH 2.6.0] megaraid 64bit fix/cleanup (AMD64)
>
>
>
> Thanks Atul!
>
> After patching for 2.6.5 the 2.20.0.B2 driver compiled clean and the
> machine in now running with that driver. We are about to run
> some stress
> tests to see if we can duplicate the previous problems.
>
> Given that we are running a 64bit compile, and the previous
> attempts by
> Brad House to make amd64 modifications were abandonded, could you
> comment on whether you think the newest megaraid code
> (ftp://ftp.lsil.com/pub/linux-megaraid/drivers/version-unified
> -2.20.0.B2.04.14.2004)
> is 64bit safe?
>
> TIA
>
> Jord Tanner
> Independent Gecko Consultants
>
> On Fri, 2004-04-16 at 09:35, Mukker, Atul wrote:
> > Please use the latest driver 2.20.0.B2, about to be
> released today. Please
> > provide a feedback if you see the same issues.
> >
> > -Atul Mukker
> > LSI Logic
> >
> > > -----Original Message-----
> > > From: Jord Tanner [mailto:jord@xxxxxxxxxxxxx]
> > > Sent: Friday, April 16, 2004 9:57 AM
> > > To: linux-kernel@xxxxxxxxxxxxxxx
> > > Cc: brad_mssw@xxxxxxxxxx; Atulm@xxxxxxxx
> > > Subject: Re: [PATCH 2.6.0] megaraid 64bit fix/cleanup (AMD64)
> > >
> > >
> > >
> > > On Tue Dec 30 2003 - 16:11:40 EST Brad House wrote:
> > >
> > > Ok, I just ported the 2.00.9 driver to 2.6.0.
> > > It still has these warnings during compilation as
> I did not
> > > attempt to apply my 64bit fixes from before as
> I've been told
> > > they are just plain wrong :/
> > >
> > > But, I suppose this should work fine in 32bit
> mode, I would
> > > greatly appreciate any help in porting it for
> 64bit platforms.
> > >
> > > The patch can be downloaded here :
> > >
> > > http://dev.gentoo.org/~brad_mssw/kernel_patches/megaraid/megar
> > > aid-v2.00.9-linux2.6.patch
> > > And only applies to the source from ftp.lsil.com,
> it's not a
> > > kernel-patch
> > > per-se, but copying the result over to the
> drivers/scsi will
> > > compile inplace
> > > of the current versions.
> > >
> > > Please CC me on any replies!
> > > -Brad House <brad_mssw@xxxxxxxxxx>
> > >
> > >
> > >
> > > This thread has been inactive for a while, but I've not
> found anything
> > > more relevant to my situation.
> > >
> > > I'm running 2.6.3-gentoo (and 2.6.5-gentoo) with a LSILogic SATA
> > > Megaraid 150-6 raid controller on a dual Opteron system.
> The entire
> > > system is compiled in 64bit. We are seeing random
> database corruption
> > > when access very large Postgres tables (more than 10
> million rows).
> > > Other than that, the system runs beautifully.
> > >
> > > As far as I can tell, no amd64 specific patches have been
> > > applied to the
> > > megaraid driver in 2.6.3 (version 2.00.3). Brad House has
> posted a 2.6
> > > patch for megaraid 2.00.9, but his previous amd64 patches
> > > were removed.
> > > LSI tech support has suggested I upgrade to 2.00.9, but
> the LSI source
> > > is for 2.4.
> > >
> > > So my questions are:
> > >
> > > - Could the 2.00.3 driver be responsible for random data
> > > corruption when running on 2.6.3 in 64bit?
> > > - Is it safe to run Brad House's 2.6 megaraid 2.00.9
> > > patches in
> > > 64 bit mode on amd64?
> > > - Are there any patches for megaraid 2.00.9 (or
> higher, I see
> > > 2.00.10-3 has just been released) that combine
> patches for 2.6
> > > and amd64?
> > >
> > > TIA,
> > >
> > >
> > > --
> > > Jord Tanner <jord@xxxxxxxxxxxxx>
> > >
> > > -
> > > To unsubscribe from this list: send the line "unsubscribe
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> > >
> --
> Jord Tanner <jord@xxxxxxxxxxxxx>
>
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