Date: Wed, 03 Mar 2010 22:43:12 +0200 From: Alexander Motin <mav@FreeBSD.org> To: Attila Nagy <bra@fsn.hu> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r204648 - head/sys/dev/ciss Message-ID: <4B8EC9E0.6050703@FreeBSD.org> In-Reply-To: <4B8EC54E.4050705@fsn.hu> References: <201003031758.o23HwfnD023194@svn.freebsd.org> <4B8EC54E.4050705@fsn.hu>
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Attila Nagy wrote: > Alexander Motin wrote: >> Author: mav >> Date: Wed Mar 3 17:58:41 2010 >> New Revision: 204648 >> URL: http://svn.freebsd.org/changeset/base/204648 >> >> Log: >> Several changes to fix livelock under high load, introduced by r203489: >> - change the way in which command queue overflow is handled; >> - do not expose to CAM two command slots, used for driver's internal purposes; >> - allow driver to use up to 1024 command slots, instead of 256 before. >> > Thank you for hunting this bug down. Do you plan to increase the maximum > logical device limit as well? Not sure. I just have no idea why this limitation was enforced. Even if I personally don't see problems from increasing it, it would be nice if somebody more aware of this driver tell whether it is correct for all supported hardware. I just don't have any. Thank you for provided access. If nobody responds, we may try our luck in CURRENT. -- Alexander Motin
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