On 2016/11/28 下午5:02, Jinpu Wang wrote: > On Mon, Nov 28, 2016 at 9:54 AM, Coly Li <colyli@xxxxxxx> wrote: >> On 2016/11/28 下午4:24, Jinpu Wang wrote: >>> snip >>>>>> >>>>>> every time nr_pending is 1 bigger then (nr_queued + 1), so seems we >>>>>> forgot to increase nr_queued somewhere? >>>>>> >>>>>> I've noticed (commit ccfc7bf1f09d61)raid1: include bio_end_io_list in >>>>>> nr_queued to prevent freeze_array hang. Seems it fixed similar bug. >>>>>> >>>>>> Could you give your suggestion? >>>>>> >>>>> Sorry, forgot to mention kernel version is 4.4.28 >>>> >>>> This commit is Cced to stable@xxxxxxxxxxxxxxx for v4.3+, do you use a >>>> stable kernel or a distribution with 4.4.28 kernel ? >>>> >>>> Coly >>>> >>>> >>> Hi Coly, >>> >>> I'm using Debian8 with 4.4.28 kernel. >> >> Hi Jinpu, >> >> Is it possible for your to run a upstream kernel or vanilla kernel to >> test whether the issue still can be reproduced ? Then we can know >> whether it is an upstream bug or a distro issue. >> >> Thanks. >> >> Coly > > Hi Coly, > > I did run kernel 4.4.34 (I download from kernel.org), I can reproduce > the same bug. > > I can also try latest 4.8 or 4.9 rc kernel, if you think it's necessary? > Yes, please. If it can be reproduced on upstream kernel by a set of scripts, it will be very helpful to debug and fix this issue. Thanks in advance. Coly -- 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