Date: Sat, 15 May 2010 15:09:39 +0200 From: Pieter de Boer <pieter@os3.nl> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-stable@freebsd.org Subject: Re: Read / write timeouts on SATA disks connected to ICH9 Message-ID: <4BEE9D13.9060702@os3.nl> In-Reply-To: <20100514224236.GA11680@icarus.home.lan> References: <4BED8B89.6010901@os3.nl> <20100514195346.GA8977@icarus.home.lan> <4BEDBC08.2040002@os3.nl> <20100514224236.GA11680@icarus.home.lan>
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Hi there, > what kind of disk I/O is going on. If actual I/O is very little, then > something weird is going on with regards to the number of interrupts > being seen on IRQ 23. mav@ might have some ideas, otherwise I'd > recommend rebooting the machine and seeing if the number drops. If so, > it may be that the OS has some sort of bug where a disk timing out or > falling off the bus causes interrupt problems. (It's too bad you don't > have AHCI on this system. It handles stuff like this much more > elegantly...) Well, due to a UFS snapshot panic the box was rebooted, and now I only see around 1500 interrupts per second, while syncing the mirror. -- Pieter
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