NeilBrown <neilb@xxxxxxx> writes: > On Wed, 03 Jun 2015 17:57:43 -0400 Jes Sorensen <Jes.Sorensen@xxxxxxxxxx> > wrote: > >> NeilBrown <neilb@xxxxxxx> writes: >> > On Wed, 03 Jun 2015 16:20:21 -0400 Jes Sorensen <Jes.Sorensen@xxxxxxxxxx> >> > wrote: >> > >> >> Neil, >> >> >> >> I was running testing on the current 4.1-rc6 tree (Linus' top of trunk >> >> 8cd9234c64c584432f6992fe944ca9e46ca8ea76) and I am seeing the following >> >> OOPS which is reproducible. >> >> >> >> It shows up when running the mdadm test suite, 07changelevelintr to be >> >> specific. >> >> >> >> Is this something you have seen? >> >> >> >> Cheers, >> >> Jes >> >> >> >> ------------[ cut here ]------------ >> >> kernel BUG at drivers/md/raid5.c:5391! >> > >> > No, I haven't seen that. And I've been running the test suite quite a bit >> > lately. >> > >> > Can you get it to print out the relevant numbers? Include >> > readpos/writepos/safepos too. >> >> This enough? Let me know if you need more. >> >> I suspect this started happening with the changes that went in between >> 4.1-rc5 and 4.1-rc6. I will try to bisect it tomorrow. >> >> Cheers, >> Jes >> >> mddev->dev_sectors: 0x9800, reshape_sectors: 0x0200 stripe_addr: >> fffffffffffffdff, sector_nr 0, readpos 511, writepos -513, safepos >> 512 > > Those negative numbers look VERY suspicious. > I'm actually on leave this week so I won't be looking at it any more, but > I'll see what I can find on Monday. > Thanks, > NeilBrown Thanks - I'll try and dig more into this in the mean time. Cheers, Jes -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
