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Date:      Sat, 27 Mar 1999 15:20:42 -0800 (PST)
From:      Nicole Harrington <nicole@nmhtech.com>
To:        sthaug@nethelp.no
Cc:        freebsd-isp@freebsd.org, freebsd-hardware@freebsd.org
Subject:   Re: Weird SCSI problem
Message-ID:  <XFMail.990327152042.nicole@nmhtech.com>
In-Reply-To: <4102.922572894@verdi.nethelp.no>

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On 27-Mar-99 My Secret Spies Reported That sthaug@nethelp.no  wrote:
>>  I have a weird problem with a new system running 3.1 as described below=
.
>>  The
>> problem is that apon bootup, it will hang at "waiting 15 seconds for SCS=
I
>> devices to settle"
>>  This will happen with a boot floppy or with the OS installed (if I try
>>  enough
>> it will work) and it mostly happens when I have increased the memory fro=
m
>> 128
>> Megs to 384Megs (3X128 Dimms)=20
>>  Funny thing is it seems that if I want to install I can usually get it =
to
>> work with only 128Megs of memory, and after I rebuild a kernel with MAXM=
EM
>> 384
>> Megs it will boot 60% of the time with the full amt of memory.
>>=20
>> The light on the SCSI card will go full bright after the 15 second count=
down
>> and sit there forever.
>=20
> If the systems boots okay from a hard reset, but (sometimes) hangs
> when booted with "shutdown -r", you've hit a known problem. There's
> been quite a bit of discussion about this on the freebsd-scsi list;
> search for "Boot-time scsi probe problem" in the list archives.
>=20
> A possible patch has been published. See the enclosed message for info.
>=20

 Great, Thanks I will try it. However it doesn't really care if it is a res=
et,
a shutdown or a cold boot :<

 But maybe this will work anyway.


  Nicole



> Steinar Haug, Nethelp consulting, sthaug@nethelp.no
> ----------------------------------------------------------------------
> From: "Kenneth D. Merry" <ken@plutotech.com>
> Message-Id: <199903222252.PAA69062@panzer.plutotech.com>
> Subject: Re: Boot-time scsi probe problem
> To: bsdscsi@shadows.aeon.net (mika ruohotie)
> Date: Mon, 22 Mar 1999 15:52:14 -0700 (MST)
> Cc: freebsd-scsi@FreeBSD.ORG
>=20
> mika ruohotie wrote...
>> > Justin has reproduced the problem (with a lot of help from Tor Egge) a=
nd
>> > has a PCI bus trace showing the problem.
>> >=20
>> > He said that there may be a bug in the 7890 that causes it to hang in
>> > certain circumstances; he has mailed Adaptec asking for information.
>> >=20
>> > Since he's not in town at the moment, I wouldn't expect any response f=
rom
>> > him on this for a few days.
>>=20
>> question, what is the status for this now?
>>=20
>> any patches i could try? i mean, like, i'm ready to try anything
>> at the moment, but linux, to solve this thing...
>=20
> Tor Egge came up with a work-around that seems to solve the problem most =
of
> the time.  It isn't a fix.  As far as I know, Justin has not heard back
> from Adaptec yet.
>=20
> Justin said that he is planning on checking in Tor's work-around until he
> can get a real fix.  He said he would try to check it in later on tonight=
,
> but that may or may not happen, since he is busy.
>=20
>> i have several machines i can use for testing. so far i've twiddled
>> with timings and stuff, the code is from last week, but as far as i
>> can tell (i read "all" the major lists including cvs-all) nothing
>> has been committed into the tree...
>=20
> Well, here's Tor's patch.  I don't think he'll mind if I give it out:
>=20
> http://www.FreeBSD.ORG/~ken/tor.adaptec_patch.031799
>=20
> I upgraded a number of machines this weekend, and I had the same hang
> problem on a system with an onboard 7890.  I fixed it with the above patc=
h.
>=20
> Send some mail to the list once you try the patch and let people know
> whether it works for you or not.
>=20
> Ken
> --=20
> Kenneth Merry
> ken@plutotech.com
>=20
>=20
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-scsi" in the body of the message

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