Hi,
We went through the code on the this issue and able to point out that the structure memblock in
unprotected from parallel threads.
void dm_bounds_check_debug(void)
{
struct memblock *mb = _head;
while (mb) {
size_t i;
char *ptr = ((char *) (mb + 1)) + mb->length;
for (i = 0; i < sizeof(unsigned long); i++)
if (*ptr++ != (char) mb->id)
assert(!"Memory smash");
mb = mb->next;
}
}
So, if in case another thread try to access remove an entry and at the same time of query of the
list, the lvmetad will crash. It is good have a lock introduced to memoryblock structure.
With Regards,
Gururaj S
"We share We Grow"
On Wed, 2017-07-19 at 10:27 +0530, Gururaj wrote:
> Hi ,
>
> Greetings.
>
> We are facing an issue with LVMETAD crashing during the parallel lvm operations
> (vgscan/pvscan/lvscan/lvs/vgs)
>
> PKG_NAME=LVM2
> PKG_VERSION=2.02.168
> PKG_URL=LVM2.2.02.168.tgz
> PKG_MD5=00209bdd6befe9a7330f162909313ae8
> PKG_DATE=2016-12-01
>
> This issue is also seen in LVM2-2.02.171.
>
> The issue is reproduced on the MIPS Architecture HARDWARE with SCSI DISKS.
>
> Disk information:
> Device: TOSHIBA AL13SEB600 Version: 4701
> Serial number: 54R0A04HFYP6
> Device type: disk
> Transport protocol: SAS
>
> Device driver :
> # modinfo mptsas
> filename: /lib/modules/2.6.34.15
> g75d10fa/kernel/drivers/message/fusion/mptsas.ko
> version: 3.04.14
> license: GPL
> description: Fusion MPT SAS Host driver
> author: LSI Corporation
> srcversion: AF0ADD21F2C0510BB52D860
> alias: pci:v00001000d00000062sv*sd*bc*sc*i*
> alias: pci:v00001000d00000058sv*sd*bc*sc*i*
> alias: pci:v00001000d00000056sv*sd*bc*sc*i*
> alias: pci:v00001000d00000054sv*sd*bc*sc*i*
> alias: pci:v00001000d00000050sv*sd*bc*sc*i*
> depends: mptscsih,mptbase
> vermagic: 2.6.34.15
> 64BIT
> parm: mpt_pt_clear: Clear persistency table: enable=1 (default=MPTSCSIH_PT_CLEAR=0)
> (int)
> parm: max_lun: max lun, default=16895 (int)
>
>
> So we enabled the debug flag to see the lvmetad operation . I could see that the vg_list
> operation
> is overlapping the from the other thread and causing the leak in linked list and consequent
> "memory
> smash" for LVMETAD.
>
> > Jul 17 15:04:14 NODE1 lvmeta.sh[4623]: token_update end len 3 pid 5763 new token
> > filter:3239235440
> > Jul 17 15:04:14 NODE1 lvmeta.sh[4623]: 5763 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 17 15:04:14 NODE1 lvmeta.sh[4623]: 5763 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:06:46 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:06:46 NODE1 lvmeta.sh[4623]: pv_list
> > Jul 18 12:06:47 NODE1 lvmeta.sh[4623]: vg_lookup vgid wxfglR-s3f8-yc3z-sg8K-JcBi-o0Qy-Ic8z0w
> > name
>
> VG_NODE1
> > Jul 18 12:06:47 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid wxfglR-s3f8-yc3z-sg8K-JcBi-
> > o0Qy-
>
> Ic8z0w
> > Jul 18 12:06:48 NODE1 lvmeta.sh[4623]: PV /dev/sda4 VG VG_NODE1 lvm2 [<106.71 GiB /
> > 47.75
>
> GiB free]
> > Jul 18 12:06:48 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:06:48 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:06:48 NODE1 lvmeta.sh[4623]: PV /dev/sda3 VG VG_System lvm2 [29.29 GiB /
> > 9.60
>
> GiB free]
> > Jul 18 12:06:48 NODE1 lvmeta.sh[4623]: Total: 2 [136.00 GiB] / in use: 2 [136.00 GiB] / in no
> > VG:
>
> 0 [0 ]
> > Jul 18 12:07:01 NODE1 lvmeta.sh[4623]: 9936 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:01 NODE1 lvmeta.sh[4623]: 9936 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:01 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 9977 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 9977 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10003 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10003 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10030 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10030 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10055 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10055 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10083 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10083 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10102 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10102 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10129 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10129 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10153 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: 10153 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:02 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10177 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10177 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10200 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10200 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10225 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10225 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10250 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10250 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10276 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10276 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10297 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10297 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10324 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10324 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10344 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10344 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10360 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10360 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10375 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: 10375 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:03 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10395 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10395 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10424 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10424 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10426 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10426 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10438 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10438 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10446 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10446 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10456 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10456 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10467 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10467 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10484 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: 10484 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:04 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: 10502 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: 10502 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: 10536 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: 10536 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: 10551 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: 10551 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: vg_clear_outdated_pvs vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: set info VG name none uuid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2 cache_version 351 new_version 352
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: 10574 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: 10574 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: set info VG name none uuid ziVnMV-iS3r-PMBW-VVKO-pE9F-
> > Q49h-
>
> 5LWne2 cache_version 351 new_version 353
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: 10590 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: 10590 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: vg_list
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: vg_update vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: update_metadata begin arg_vgid ziVnMV-iS3r-PMBW-VVKO-
> > pE9F-
>
> Q49h-5LWne2 arg_name VG_System pvid none
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: update_metadata existing vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-
>
> Q49h-5LWne2 and existing name VG_System
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: update_metadata for VG_System ziVnMV-iS3r-PMBW-VVKO-pE9F-
>
> Q49h-5LWne2 from 351 to 353
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: moving PV tpUO22-Ra0R-sXa4-bFH4-eFH1-z2Dr-Nf46dV to VG
>
> #orphan
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: moving PV tpUO22-Ra0R-sXa4-bFH4-eFH1-z2Dr-Nf46dV to VG
>
> ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: update_metadata is done for VG_System ziVnMV-iS3r-PMBW-
> > VVKO-
>
> pE9F-Q49h-5LWne2
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: pv_found pvid tpUO22-Ra0R-sXa4-bFH4-eFH1-z2Dr-Nf46dV on
>
> device 2051 matches existing
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: vg_lookup vgid ziVnMV-iS3r-PMBW-VVKO-pE9F-Q49h-5LWne2
> > name
>
> VG_System
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: 10649 global info flags none reason none token
>
> filter:3239235440 update_pid 0
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: *** Error in `/usr/bin/lvmetad': malloc(): doubl
> > e
>
> linked list corrupted: 0x000000ffdc0008c0 ***
> > Jul 18 12:07:05 NODE1 lvmeta.sh[4623]: lvmetad: mm/dbg_malloc.c:271: dm_bounds_check_debug:
>
> Assertion `!"Memory smash"' failed.
> > Jul 18 12:07:06 NODE1 lvmeta.sh[4623]: /usr/bin/lvmeta.sh: line 5: 5761
>
> Aborted (core dumped) /usr/bin/lvmetad -f -s /run/lvm/lvmetad.socket -l debug
>
>
> For us it is reproducible every time when we restart the my host. During but it crashes, since the
> systemd startup script request parallel vgs/lvs to load to the software.
>
> Reproduction of this is very simple:
>
> for i in `seq 1 100`; do lvs & done
> This results in crash of lvmetad. on the mentioned version.
>
>
> Attaching the gdb information (We have full gdb information available in the attachment)
>
> > Thread 1 (LWP 6835):
> > #0 __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:58
> > #1 0x000000fff3f53b2c in __GI_abort () at abort.c:89
> > #2 0x000000fff3f4910c in __assert_fail_base (fmt=0xfff4081c60 "%s%s%s:%u: %s%sAssertion `%s'
>
> failed.\n%n",
> > assertion=0xfff4179be8 "!\"Memory smash\"", file=0xfff4179a70 "mm/dbg_malloc.c",
>
> line=<optimized out>, function=<optimized out>) at assert.c:92
> > #3 0x000000fff3f491dc in __GI___assert_fail (assertion=0xfff4179be8 "!\"Memory smash\"",
>
> file=0xfff4179a70 "mm/dbg_malloc.c", line=<optimized out>,
> > function=0xfff4179c08 "dm_bounds_check_debug") at assert.c:101
> > #4 0x000000fff415eab4 in dm_bounds_check_debug () from /usr/lib64/libdevmapper.so.1.02
> > #5 0x000000fff415ef04 in dm_bounds_check_wrapper () from /usr/lib64/libdevmapper.so.1.02
> > #6 0x000000fff415e0f0 in dm_malloc_aux_debug () from /usr/lib64/libdevmapper.so.1.02
> > #7 0x000000fff415ecb4 in dm_malloc_wrapper () from /usr/lib64/libdevmapper.so.1.02
> > #8 0x000000fff4159d2c in dm_vasprintf () from /usr/lib64/libdevmapper.so.1.02
> > #9 0x000000fff4159f68 in dm_asprintf () from /usr/lib64/libdevmapper.so.1.02
> > #10 0x000000aab47155fc in buffer_append_vf ()
> > #11 0x000000aab4712a80 in daemon_reply_simple ()
> > #12 0x000000aab470ec88 in _ftext ()
> > Backtrace stopped: frame did not save the PC
>
>
>
>
> Can you help us on this .
>
>
> With Regards,
> Gururaj S
> "We share We grow"
>
>
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