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Date: Fri, 15 Apr 2011 05:15:43 +0200 (CEST) From: Mikael Abrahamsson <swmike@....pp.se> To: Bruce Stenning <b.stenning@...igovision.com> cc: Mark Lord <kernel@...savvy.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org> Subject: RE: sata_mv port lockup on hotplug (kernel 2.6.38.2) On Fri, 8 Apr 2011, Bruce Stenning wrote: > The 2.6.38.2 kernel still exhibits the same lockups that we see with the > 2.6.26 kernel. Hi. I have some input on this. I have one of these controllers and had problems with one channel where if I had a drive in that hotswap bay, the controller wouldn't even POST at boot. It just stuck in the detection phase in the controller BIOS. When I tested hotplugging into that bay when the system was running, I received a kernel warning (it's not powered on at the moment so I can't provide the output, if it's important I can get it). My point is that there might be a problem with this controller hw or firmware that doesn't handle all behaviour/situations properly. I re-seated the SATA cable at both ends and after that couldn't reproduce the problem (which was reproduced with two different make harddrives several times before re-seating the cable). This was with the 2.6.32 debian stable kernel, AMD64 version. -- Mikael Abrahamsson email: swmike@....pp.se -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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