On Sun, Dec 20, 2015 at 7:38 PM, Eric Eastman
<eric.eastman@xxxxxxxxxxxxxx> wrote:
> On Fri, Dec 18, 2015 at 12:18 AM, Yan, Zheng <ukernel@xxxxxxxxx> wrote:
>> On Fri, Dec 18, 2015 at 2:23 PM, Eric Eastman
>> <eric.eastman@xxxxxxxxxxxxxx> wrote:
>>>> Hi Yan Zheng, Eric Eastman
>>>>
>>>> Similar bug was reported in f2fs, btrfs, it does affect 4.4-rc4, the fixing
>>>> patch was merged into 4.4-rc5, dfd01f026058 ("sched/wait: Fix the signal
>>>> handling fix").
>>>>
>>>> Related report & discussion was here:
>>>> https://lkml.org/lkml/2015/12/12/149
>>>>
>>>> I'm not sure the current reported issue of ceph was related to that though,
>>>> but at least try testing with an upgraded or patched kernel could verify it.
>>>> :)
>>>>
>>>> Thanks,
>
>>
>> please try rc5 kernel without patches and DEBUG_VM=y
>>
>> Regards
>> Yan, Zheng
>
>
> The latest test with 4.4rc5 with CONFIG_DEBUG_VM=y has ran for over 36
> hours with no ERRORS or WARNINGS. My plan is to install the 4.4rc6
> kernel from the Ubuntu kernel-ppa site once it is available, and rerun
> the tests.
>
Test has run for 2 days using the 4.4rc6 kernel from the Ubuntu
kernel-ppa kernel site without error or warning. Looks like it was a
4.4rc4 bug.
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