On Thu, Jan 19, 2017 at 01:22:47PM +0100, Jan Wiele wrote: > Am Mittwoch, 18. Januar 2017, 09:48:30 CET schrieb Andre Noll: > > On Wed, Jan 18, 04:35, Kai Krakow wrote > > > > FWIW, I'm seeing this as well on different hardware, and with both > > deadline and CFQ, so it's not a scheduler issue. The problem seems to > > be the bcache writeback thread calling down_write(&dc->writeback_lock) > > while already holding this lock. > Yes, the bug doesn't get triggered when the caching mechanism is set to > writethrough. Is there something else blocked that's holding writeback_lock? -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html