On Tue, Nov 29, 2011 at 04:30:22PM +0800, Brad Campbell wrote: > On 29/11/11 15:54, Kent Overstreet wrote: > >Ok, that's weird. It shouldn't be able to register the second time > >because the first register opens it exclusively, and the second open > >will fail with -EBUSY. > > Can reproduce it at will here. I don't doubt you, just surprised. I'll try it out first thing tomorrow. No reason I shouldn't be able to reproduce it. > I doubt its the driver as the RAID is on the same card as the single > drive I tested with last time. Ok, raid10 is the one I didn't test - I tried raid0 and 6 and those worked, but each raid layer has its own code to process bios so it sounds like there's a corner case we're tripping. > I can probably try some other RAID levels this evening if it would > help. I trashed the RAID recently anyway so I need to re-build it > from scratch. Let me see if I can reproduce it first, I'll try it first thing in the morning. Hopefully it'll be something easy. Were you running in passthrough mode or was caching on when you got the oops? -- 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
