On 2014-12-04 13:42, Oliver Neukum wrote: > On Wed, 2014-12-03 at 22:22 +0100, Marcin Zajączkowski wrote: > >> I have also seen a patch on that mailing list submitted by Hans de Goede >> which disables UAS for ASM1051 devices: >> http://www.spinics.net/lists/linux-usb/msg113537.html > > > Well, you are not using that chip set, are you? Probably not (I have Fresco Logic FL1000G which seems not related to ASM1051). >> What would you propose to do with the issue with that Seagate drive >> (family?)? To either track it or to temporary disable UAS for them >> globally (to not produce system crashes). > > Your drive worked with older kernels, presumably with the UAS > driver. And the errors you got point to trouble with the UAS > driver, specifically its command tagging, which was recently changed. > > So we need to find the crucial change. Before you bisect could you > check whether the change that broke your device was: > > commit d285203cf647d7c97db3a1c33794315c9008593f > Author: Christoph Hellwig <hch@xxxxxx> > Date: Fri Jan 17 12:06:53 2014 +0100 > > scsi: add support for a blk-mq based I/O path. > > Can you compile a kernel from the git tree? Probably yes, but I haven't been doing that for years, so it can take me some time. Marcin -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
