The NetBackup bpbkar process crashes in libxm while VMware backup.

The NetBackup bpbkar process crashes in libxm while VMware backup.

Article: 100047934
Last Published: 2020-06-30
Ratings: 0 0
Product(s): NetBackup

Problem

While performing a specific VMware machine backup, bpbkar may crash when libxm combines meta information split into multiple extents.
The Activity Monitor documents the job finishing with Status 13.

  Jun 28, 2020 12:41:23 PM - Info bptm (pid=5832) start backup
  Jun 28, 2020 12:41:30 PM - begin writing
  Jun 28, 2020 12:41:57 PM - Info bpbkar32 (pid=3984) INF - Backing up vCenter server nbuvcenter, ESX host nbuesx, BIOS UUID 4219d603-3ccf-1016-0699-bb11a01a1c0d, Instance UUID 5019b3c6-ea63-3698-8f73-6fe7973a4571, Display Name temp_win, Hostname win-etod4pseh82
  Jun 28, 2020 12:45:35 PM - Error bpbrm (pid=6984) socket read failed, An existing connection was forcibly closed by the remote host.  (10054)
  Jun 28, 2020 12:45:55 PM - Info nbmaster (pid=5832) StorageServer=PureDisk:nbmaster; Report=PDDO Stats for (nbmaster): scanned: 3 KB, CR sent: 0 KB, CR sent over FC: 0 KB, dedup: 100.0%, cache hits: 0 (0.0%)
  Jun 28, 2020 12:45:55 PM - Error bpbrm (pid=6984) could not send server status message to client
  Jun 28, 2020 12:45:57 PM - Info bpbkar32 (pid=0) done. status: 13: file read failed
  Jun 28, 2020 12:45:57 PM - end writing; write time: 0:04:27
  file read failed (13)

This issue may occur on some platform/operating system (Windows or Linux).
 

Error Message

Application Event Log:

  Log Name:      Application
  Source:        Application Error
  Date:          6/28/2020 12:45:16 PM
  Event ID:      1000
  Task Category: (100)
  Level:         Error
  Keywords:      Classic
  User:          N/A
  Computer:      nbmaster
  Description:
  Faulting application name: bpbkar32.exe, version: 8.102.18.827, time stamp: 0x5b849190
  Faulting module name: libxm.dll, version: 8.102.18.827, time stamp: 0x5b848d18
  Exception code: 0xc0000005
  Fault offset: 0x0000000000003901
  Faulting process id: 0xf90
  Faulting application start time: 0x01d64d83ef845413
  Faulting application path: C:\Program Files\Veritas\NetBackup\bin\bpbkar32.exe
  Faulting module path: C:\Program Files\Veritas\NetBackup\bin\libxm.dll
  Report Id: e37aa619-b977-11ea-80b7-0050569938b0
  Faulting package full name: 
  Faulting package-relative application ID: 
 

Cause

The bpbkar crashes in libxm, in some cases, caused by memory corruption.
This issue has been observed under the virtual machine having large amounts of disk space.
 

Solution

The formal resolution for this issue (Etrack 3956370) is included in the NetBackup 8.2 release.

If you are unable to upgrade to a version in which this issue is resolved, call into Veritas Support and inquire about EEB associated with Etrack 3956370.

 

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