[3977] in linux-scsi channel archive
Re: 2.1.103 spin loop in aha1542, jiffies not being incremented
daemon@ATHENA.MIT.EDU (Keith Owens)
Sat May 23 05:05:29 1998
From: Keith Owens <kaos@ocs.com.au>
To: MOLNAR Ingo <mingo@chiara.csoma.elte.hu>
cc: linux-kernel@vger.rutgers.edu, linux-scsi@vger.rutgers.edu
In-reply-to: Your message of "Sat, 23 May 1998 02:54:12 +0200."
<Pine.LNX.3.96.980523025025.11274C-100000@chiara.csoma.elte.hu>
Date: Sat, 23 May 1998 18:59:56 +1000
On Sat, 23 May 1998 02:54:12 +0200 (CEST),
MOLNAR Ingo <mingo@chiara.csoma.elte.hu> wrote:
>On Sat, 23 May 1998, Keith Owens wrote:
>> With ncr53c8xx first, it spins in aha1542_test_port, on the two lines
>> i = jiffies + 2;
>> while (i>jiffies);
>does it fix the bug if try this one?:
> udelay(2*10*1000);
That fixed it. Strange that the old code worked if 1542 was probed
first. OTOH this is SMP and it could be timing dependent.
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