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Min Chen

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01/21/2019

02:48 AM CephFS Bug #37979 (New): mds: use up to 80G memory when have large stress
ceph version 12.2.7-569-gac5687a (ac5687af649a114f3ed6d6a73d8cf475fded987f) luminous (stable)...

01/10/2019

07:29 AM CephFS Bug #37853: remove snapped dir success but core dump by bad backtrace in _purge_stray_purged
reproduce simlar result:
2019-01-10 14:27:21.092670 7fa7bc8cc700 -1 log_channel(cluster) log [ERR] : bad backtrace...
07:21 AM CephFS Bug #37853 (Rejected): remove snapped dir success but core dump by bad backtrace in _purge_stray_...
2019-01-08 10:04:39.651547 7fc3d5e9a700 -1 log_channel(cluster) log [ERR] : bad backtrace on directory inode 0x100000...

06/01/2018

01:59 AM CephFS Bug #24370 (Duplicate): luminous: root dir's new snapshot lost when restart mds
affect version: luminous & mimic
reproduce steps:
1. ceph-fuse mount /cephfuse
2. write a file /cephfuse/file1
...

02/17/2017

01:32 AM rgw Bug #18505: kill nfs-ganesha + rgwfile get segfault
@matt, yes, nfs-ganesha will be blocked if librgw thread join
and can you reproduct this issue SIGUSR1?

01/12/2017

07:58 AM rgw Bug #18505 (In Progress): kill nfs-ganesha + rgwfile get segfault
ceph version 10.2.5 (c461ee19ecbc0c5c330aca20f7392c9a00730367)
NFS-Ganesha Release = V2.5-dev-7
nfs-ganesha compi...

07/28/2016

06:25 AM CephFS Bug #16842 (Can't reproduce): mds: replacement MDS crashes on InoTable release
ceph version 10.2.0-2638-gf7fc985
reproduce step:
1. new fs and start mds.a
2. start mds.b
3. kill mds.a
fai...

08/31/2015

07:09 AM Ceph Revision dbfac280 (ceph): bug fix: librados segmentation fault, support RadosStriperImpl::aio_rea...
Signed-off-by: Min Chen <minchen@ubuntukylin.com>

08/30/2015

09:40 AM Ceph Revision 3c8ac540 (ceph): bug fix: librados segmentation fault, extra modify supports aio_xxx() m...
Signed-off-by: Min Chen <minchen@ubuntukylin.com>

06/15/2015

01:48 AM Ceph Revision 51862e3d (ceph): bug fix: librados segmentation fault, when two read ops share one AioCo...
This is a serious BUG:
In librados, use two read ops to read one object twice
with the same completion will cause seg...

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