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Message-ID: <C1438B59050E1B4C9482FF3266AD6BA32C7770967B@gretna.indigovision.com> Date: Wed, 25 May 2011 14:36:20 +0100 From: Bruce Stenning <b.stenning@...igovision.com> To: Tejun Heo <htejun@...il.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) > This is a different issue. libata EH plugs the port if reset fails > repeatedly. This behavior was implemented to avoid causing continuous > resets on a port in case it has flaky PHY state reporting; however, it > seems to cause more trouble than fixing issues - ie. plugging in a > broken device may end up plugging the port even after the offending > device is removed until manual rescan or reboot. I've been pondering > about changing the behavior like the following. Thanks for the explanation, Tejun, and for sending those changes upstream. I shall incorporate these patches into my kernel and keep you informed as to how they behave. Mark, did you get a chance to clean up the sata_mv spinlock addition in mv_set_main_irq_mask? Many Thanks, Bruce. Latest News at: http://www.indigovision.com/index.php/en/news.html -- 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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