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Odd message on OSR505 machine - SCO

Howdy. On a Quad processor (PIII 550) machine running OSR505 (SCO:Unix::5.0.5Eb rs505a.Unix505.1.0a oss497c.Unix505.1.0a oss600a.Unix505 OSS621A.505.SCO.Unix.RTS), I noticed this strange message show up in the messages file: CPU3: WARNING: istat=0A: LSS_PAR on ha=0 sist0=41 sist1=00 !!!! Odd message to be sure. The only thing I've been able to find that is even closely related is TA#110511, but this machine is not running SCO doctor (and 'sist0' is 01, not 41). Currently the machine appears to be stable with 250 users on it, but the external Ultrim tape drive is non responsive (arranging a reboot to fix that). I don't suppose anybody ...

  1. #1

    Default Odd message on OSR505 machine

    Howdy.

    On a Quad processor (PIII 550) machine running OSR505 (SCO:Unix::5.0.5Eb
    rs505a.Unix505.1.0a oss497c.Unix505.1.0a oss600a.Unix505
    OSS621A.505.SCO.Unix.RTS), I noticed this strange message show up in the
    messages file:

    CPU3: WARNING: istat=0A: LSS_PAR on ha=0 sist0=41 sist1=00 !!!!

    Odd message to be sure.

    The only thing I've been able to find that is even closely related is
    TA#110511, but this machine is not running SCO doctor (and 'sist0' is 01,
    not 41).

    Currently the machine appears to be stable with 250 users on it, but the
    external Ultrim tape drive is non responsive (arranging a reboot to fix
    that).

    I don't suppose anybody has any idea what would cause this message to pop
    up, and whether it is something to worry about?


    Stuart


    Stuart J. Browne Guest

  2. #2

    Default Re: Odd message on OSR505 machine

    Stuart J. Browne wrote:
    > On a Quad processor (PIII 550) machine running OSR505 (SCO:Unix::5.0.5Eb
    > rs505a.Unix505.1.0a oss497c.Unix505.1.0a oss600a.Unix505
    > OSS621A.505.SCO.Unix.RTS), I noticed this strange message show up in the
    > messages file:
    >
    > CPU3: WARNING: istat=0A: LSS_PAR on ha=0 sist0=41 sist1=00 !!!!
    >
    > Odd message to be sure.
    >
    > The only thing I've been able to find that is even closely related is
    > TA#110511, but this machine is not running SCO doctor (and 'sist0' is 01,
    > not 41).
    >
    > Currently the machine appears to be stable with 250 users on it, but the
    > external Ultrim tape drive is non responsive (arranging a reboot to fix
    > that).
    >
    > I don't suppose anybody has any idea what would cause this message to pop
    > up, and whether it is something to worry about?
    The message comes from the driver "slha", which operates NCR / Symbios
    Logic / LSI Logic 53c8xx HBAs. It looks like it means that there was a
    parity error on the SCSI bus.

    There's a Technical Article that talks about one instance of the
    message:

    [url]http://stage.caldera.com/cgi-bin/ssl_reference?110511[/url]

    There are also many USENET threads on the subject (search
    groups.google.com for "LSS_PAR") -- I didn't read them all to see if
    someone had found a definitive answer.

    Check [url]www.lsilogic.com[/url] for latest "slha" driver, probably much newer
    than what you have. Umm. I ended up at
    [url]http://support.megaraid.com/support/dloadcenter.html[/url], chose "SCSI ICs",
    "LSI53C810", got to an offer of an OSR5 driver.
    >Bela<
    Bela Lubkin Guest

  3. #3

    Default Re: Odd message on OSR505 machine

    On Fri, 25 Jul 2003 07:20:53 GMT, Bela Lubkin <belalsco.com> wrote:
    >Stuart J. Browne wrote:
    >
    >> On a Quad processor (PIII 550) machine running OSR505 (SCO:Unix::5.0.5Eb
    >> rs505a.Unix505.1.0a oss497c.Unix505.1.0a oss600a.Unix505
    >> OSS621A.505.SCO.Unix.RTS), I noticed this strange message show up in the
    >> messages file:
    >>
    >> CPU3: WARNING: istat=0A: LSS_PAR on ha=0 sist0=41 sist1=00 !!!!
    >>
    >> Odd message to be sure.
    Does SCO Openserver supports more than 2 CPU's ?

    Stefan


    Stefan Marquardt Guest

  4. #4

    Default Re: Odd message on OSR505 machine

    Stefan Marquardt typed (on Fri, Jul 25, 2003 at 09:37:40AM +0200):
    | On Fri, 25 Jul 2003 07:20:53 GMT, Bela Lubkin <belalsco.com> wrote:
    |
    | >Stuart J. Browne wrote:
    | >
    | >> On a Quad processor (PIII 550) machine running OSR505 (SCO:Unix::5.0.5Eb
    | >> rs505a.Unix505.1.0a oss497c.Unix505.1.0a oss600a.Unix505
    | >> OSS621A.505.SCO.Unix.RTS), I noticed this strange message show up in the
    | >> messages file:
    | >>
    | >> CPU3: WARNING: istat=0A: LSS_PAR on ha=0 sist0=41 sist1=00 !!!!
    | >>
    | >> Odd message to be sure.
    |
    | Does SCO Openserver supports more than 2 CPU's ?

    Yes, if you buy more than one SMP license.


    --
    JP
    Jean-Pierre Radley Guest

  5. #5

    Default Re: Odd message on OSR505 machine


    "Bela Lubkin" <belalsco.com> wrote in message
    news:20030725072053.GH24551sco.com...
    > Stuart J. Browne wrote:
    >
    > > On a Quad processor (PIII 550) machine running OSR505
    (SCO:Unix::5.0.5Eb
    > > rs505a.Unix505.1.0a oss497c.Unix505.1.0a oss600a.Unix505
    > > OSS621A.505.SCO.Unix.RTS), I noticed this strange message show up in
    the
    > > messages file:
    > >
    > > CPU3: WARNING: istat=0A: LSS_PAR on ha=0 sist0=41 sist1=00 !!!!
    > >
    > > Odd message to be sure.
    > >
    <SNIP>
    >
    > The message comes from the driver "slha", which operates NCR / Symbios
    > Logic / LSI Logic 53c8xx HBAs. It looks like it means that there was a
    > parity error on the SCSI bus.
    >
    > There's a Technical Article that talks about one instance of the
    > message:
    >
    > [url]http://stage.caldera.com/cgi-bin/ssl_reference?110511[/url]
    >
    > There are also many USENET threads on the subject (search
    > groups.google.com for "LSS_PAR") -- I didn't read them all to see if
    > someone had found a definitive answer.
    >
    > Check [url]www.lsilogic.com[/url] for latest "slha" driver, probably much newer
    > than what you have. Umm. I ended up at
    > [url]http://support.megaraid.com/support/dloadcenter.html[/url], chose "SCSI ICs",
    > "LSI53C810", got to an offer of an OSR5 driver.
    Unfortunately, their latest driver (4.11.00) is what I am using, and hasn't
    been updated since August 2000. Their texts point to a different driver
    ('lsil') but I do not beleive it's for the right controller class (does
    'LSI Fusion-MPT' mean much to anybody? Not me!).

    Given that this message has shown up once, I think I'll live with it. If
    it starts showing up repeatedly then I'll bite the bullett and suggest they
    stick the tape internal (which I'm sure the client won't be happy about
    given that they got the external unit themselves).

    Thanks for the details Bela.

    Stuart


    Stuart J. Browne Guest

  6. #6

    Default Re: Odd message on OSR505 machine

    Stuart J. Browne wrote:
    > "Bela Lubkin" <belalsco.com> wrote in message
    > news:20030725072053.GH24551sco.com...
    > > Stuart J. Browne wrote:
    > > > CPU3: WARNING: istat=0A: LSS_PAR on ha=0 sist0=41 sist1=00 !!!!
    > > The message comes from the driver "slha", which operates NCR / Symbios
    > > Logic / LSI Logic 53c8xx HBAs. It looks like it means that there was a
    > > parity error on the SCSI bus.
    > > Check [url]www.lsilogic.com[/url] for latest "slha" driver, probably much newer
    > > than what you have. Umm. I ended up at
    > > [url]http://support.megaraid.com/support/dloadcenter.html[/url], chose "SCSI ICs",
    > > "LSI53C810", got to an offer of an OSR5 driver.
    >
    > Unfortunately, their latest driver (4.11.00) is what I am using, and hasn't
    > been updated since August 2000. Their texts point to a different driver
    > ('lsil') but I do not beleive it's for the right controller class (does
    > 'LSI Fusion-MPT' mean much to anybody? Not me!).
    "lsil" is the driver for 53c1020 and later chips (supporting Ultra320
    and FibreChannel adapters). I didn't download the pointed-to disk
    image, but I would guess it has both "lsil" and "slha" BTLDs on it, the
    text was just written by someone concentrating on the shiniest newest
    parts of the disk.

    We're in the process of testing "slha" version 4.11.03, it should show
    up on our FTP site in a few days, weeks or months (depending how testing
    goes). No idea what's changed between 4.11.00 and 03, but it probably
    has nothing to do with your message.
    >Bela<
    Bela Lubkin Guest

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