Ceph

08/06/2014

08:09 AM Linux kernel client Bug #8818: IO Hang on raw rbd device - Workqueue: ceph-msgr con_work [libceph]

I switched to the good kernel (3.16.0-ceph-00037-g0532581) yesterday and re-ran my scripts overnight. The scripts co... Greg Wilson

08/01/2014

02:37 PM Linux kernel client Bug #8818: IO Hang on raw rbd device - Workqueue: ceph-msgr con_work [libceph]

I have done some testing and I am seeing the same thing as Eric. With the deadlock-bad kernel I hit the deadlock iss... Greg Wilson

07/28/2014

08:50 AM Linux kernel client Bug #8818: IO Hang on raw rbd device - Workqueue: ceph-msgr con_work [libceph]

Hi Ilya,
I can reliably reproduce the error when running this generic kernel with no changes:
http://kernel.ubu... Greg Wilson

07/25/2014

07:52 AM Linux kernel client Bug #8818: IO Hang on raw rbd device - Workqueue: ceph-msgr con_work [libceph]

We are using the standard kernels as they come from the ubuntu site. That being said when I look in the config files... Greg Wilson

07/24/2014

06:03 AM Linux kernel client Bug #8818: IO Hang on raw rbd device - Workqueue: ceph-msgr con_work [libceph]

We also confirmed the issue is with 3.15 above as we back rev'd our system to 3.14.13 and were able to successfully c... Greg Wilson

07/16/2014

04:34 PM Linux kernel client Bug #8818: IO Hang on raw rbd device - Workqueue: ceph-msgr con_work [libceph]

The problem is also very repeatable at our site as well. Attached is the kern.log file after running the requested c... Greg Wilson

07/11/2014

09:22 PM Linux kernel client Bug #8818 (Resolved): IO Hang on raw rbd device - Workqueue: ceph-msgr con_work [libceph]

While conducting dd read and write tests to a raw rbd device for baseline performance tests we experience an IO hang.... Greg Wilson