On Wed, Dec 21, 2016 at 11:36 PM, Stéphane Klein
<[email protected]> wrote:
>
>
> 2016-12-21 23:33 GMT+01:00 Ilya Dryomov <[email protected]>:
>>
>> On Wed, Dec 21, 2016 at 11:10 PM, Stéphane Klein
>> <[email protected]> wrote:
>> >
>> > 2016-12-21 23:06 GMT+01:00 Ilya Dryomov <[email protected]>:
>> >>
>> >> What's the output of "cat /proc/$(pidof rm)/stack?
>> >
>> >
>> > root@ceph-client-3:/home/vagrant# cat /proc/2315/stack
>> > [<ffffffff8115313e>] sleep_on_page+0xe/0x20
>> > [<ffffffff81152eff>] wait_on_page_bit+0x7f/0x90
>> > [<ffffffff81162b6e>] truncate_inode_pages_range+0x2fe/0x5a0
>> > [<ffffffff81162e25>] truncate_inode_pages+0x15/0x20
>> > [<ffffffff8124b27e>] ext4_evict_inode+0x12e/0x510
>> > [<ffffffff811ddb50>] evict+0xb0/0x1b0
>> > [<ffffffff811de365>] iput+0xf5/0x180
>> > [<ffffffff811d2cde>] do_unlinkat+0x18e/0x2b0
>> > [<ffffffff811d3c0b>] SyS_unlinkat+0x1b/0x40
>> > [<ffffffff8173d9dd>] system_call_fastpath+0x1a/0x1f
>> > [<ffffffffffffffff>] 0xffffffffffffffff
>> >
>> >>
>> >>
>> >> Can you do "echo w >/proc/sysrq-trigger", "echo t >/proc/sysrq-trigger"
>> >> on the ceph-client VM and attach dmesg output?
>> >
>> >
>> > https://gist.github.com/harobed/37e23ced839f17d91a0e43435348205a
>>
>> [ 73.086952] libceph: loaded (mon/osd proto 15/24)
>> [ 73.089990] rbd: loaded rbd (rados block device)
>> [ 73.091532] libceph: mon1 172.28.128.3:6789 feature set mismatch,
>> my 4a042a42 < server's 2004a042a42, missing 20000000000
>> [ 73.092582] libceph: mon1 172.28.128.3:6789 socket error on read
>>
>> Where is this coming from - I thought you said you set tunables to
>> legacy?
>
>
> This is old message in dmesg.
Well, it's from the same boot...
One more question - does the reboot magically fix this on trusty as
well?
Thanks,
Ilya
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