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Date: Tue, 12 Oct 2010 17:12:57 +0300
From: Andriy Gapon <avg@icyb.net.ua>
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To: Jeremy Chadwick <freebsd@jdc.parodius.com>
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Cc: freebsd-fs@freebsd.org
Subject: Re: Locked up processes after upgrade to ZFS v15
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on 12/10/2010 16:02 Jeremy Chadwick said the following:
> And then applied your patch.  However, the result doesn't induce a
> lock-up.  Bummer.
> 
> testbox# ./sendfile
> 1..11
> ok 1
> ok 2
> ok 3
> ok 4
> ok 5
> ok 6
> ok 7
> ok 8
> ok 9
> ok 10
> ok 11
> mmap test
> testbox#
> 
> Other stuff I tried:
> 
> - Verified getpagesize() returns 4096 (PAE isn't enabled on this box;
>   I'm assuming PAE results in 2MByte pages is why I mention it)
> - Enabling the #if 0'd code
> - Adjusting TEST_EXTRA a bit (200, 1000, and 3819; just numbers I
>   pulled out of thin air)
> 

Do you have DTrace support on the test system?

-- 
Andriy Gapon