El Wed, 6 Apr 2011 15:57:06 +0100 Bruce Stenning <b.stenning@xxxxxxxxxxxxxxxx> escribiÃ: Just CCing linux-ide > Please accept my most humble apologies for the lack of line breaks in > my previous email. Here it is again, this time in a more readable > format: > > Hello, > > We have a bespoke platform utilising a Marvell MV88SX6041 SATA controller > on which we have been running Linux 2.6.26 and using the sata_mv driver. > > We have noticed problems with SATA ports occasionally locking up (on > hotplug events) and remaining unresponsive. The normal kernel logging > that occurs on hotplug events is no longer emitted for the locked ports > (but will be emitted for the other sata ports that have not exhibited > the problem.) The disks attached to the locked ports are completely > unresponsive. The condition can be cleared by removing the sata_mv > kernel module from memory and reloading it, after which the kernel > logging becomes active (and the disks are usable) for all ports. > > The following changeset was seen as a strong candidate for addressing > this problem: > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=933cb8e5fcdebd4b666165e3f039f814d62b0e52 > > We are now in the process of upgrading to the stable 2.6.38.2 kernel > release, but initial testing of this on our platform exhibits the same > hotplug behaviour. Hotplug is possible, but occasionally the ports > will lock up and not be responsive until sata_mv is removed and > reinstalled. Other than this, the new kernel and driver seem to be > operating normally. > > Has this problem been observed elsewhere with kernels that include the > above patch? Please CC me in replies. > > Kind Regards, > > Bruce Stenning, > IndigoVision, > b <dot> stenning <at> indigovision <dot> com > > > Latest News at: http://www.indigovision.com/news2011.php > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html