Date: Sat, 28 Mar 2009 22:04:18 +0300 From: Danny Braniss <danny@cs.huji.ac.il> To: Scott Long <scottl@samsco.org> Cc: freebsd-scsi@freebsd.org, freebsd-stable@freebsd.org, freebsd-hackers@freebsd.org Subject: Re: amr driver broken since March 12 Message-ID: <E1LndpK-0000X0-WA@kabab.cs.huji.ac.il> In-Reply-To: <49CCF95F.1050307@samsco.org> References: <E1Ln6jY-0006tJ-6Y@kabab.cs.huji.ac.il> <49CCDA41.4060101@samsco.org> <E1LnEMC-000Cx8-Gs@kabab.cs.huji.ac.il> <49CCF95F.1050307@samsco.org>
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> Danny Braniss wrote: > >> Danny Braniss wrote: > >>> at least for me :-) > >>> [and sorry for the cross posting] > >>> > >>> old (March 12 , i know need the svn rev number but...) > >> None of the commit activity on March 12 is jumping out at me as being > >> suspicious. However, you are now the second person who has told me > >> about AMR problems in 7.1 recently. If you have a precise svn change > >> number, it would help greatly. > >> > >> Scott > > my bad. the last working amr/iir is from March 12. > > I first detected the problem sometime later, but not later than March 23. > > So it has to be changes in that time frame. > > > > both drivers are showing similar symptoms: > > waiting for not busy > > the iir goes on for ever, and it's the cam that eventually panics, > > run_interrupt_driven_hooks: still waiting after 300 seconds for xpt_config > > (actually not 100% true, depending if WITNESS is on or off, it sometimes > > just hangs). > > the amr seems to time out: > > amr0: adapter is busy > > > > thanks for looking into the problem, > > > > danny > > > > > > Ok, here are a series of revisions to step through, in forward order. > Make sure that you are starting with at least revision 189568. Then, > update to exactly the revision numbers below, recompile the kernel, and > test: > > 190087 > 190091 > it seems March 12 was a bit off :-) it took some time, but I managed to close the gap: 189100 ok 189150 fails I will continue tomorrow, but this should be helpful. cheers, danny
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