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Bug#777227: marked as done (burp client misreports backup size and uses 100% cpu for extended periods of time during backup operation)

Your message dated Sun, 25 Sep 2016 04:21:21 +0200
with message-id <20160925022121.GA14498@angband.pl>
and subject line closing per submitter's request
has caused the Debian Bug report #777227,
regarding burp client misreports backup size and uses 100% cpu for extended periods of time during backup operation
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
777227: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=777227
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: burp
Version: 1.3.8-1

Hello,
I have a few clients configured to backup to a burp server. They all exhibit strange behaviour where they will randomly stop partially through a backup run and use 100% CPU (on the client) for approximately an hour before finalizing the backup. The server process is unaffected during this time.
The burp client also misreports the size of the data backed up for every host. Examples are contained below.
All burp.conf files are managed through puppet, and are identical on all clients except for the client password. All servers are running Debian Wheezy (7.7) and are xenhvm virtual machines. 

Xen dom0:
uname -a:
Linux [redacted] 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2+deb7u2 x86_64 GNU/Linux 

dpkg -s libc6 | grep ^Version
Version: 2.13-38+deb7u6

dpkg -l | grep xen | awk '{print $2,$3}'
libxen-4.1 4.1.4-3+deb7u3
libxenstore3.0 4.1.4-3+deb7u3
xen-hypervisor-4.1-amd64 4.1.4-3+deb7u3
xen-linux-system-3.2.0-4-amd64 3.2.63-2+deb7u2
xen-linux-system-amd64 3.2+46
xen-system-amd64 4.1.4-3+deb7u3
xen-tools 4.3.1-1
xen-utils-4.1 4.1.4-3+deb7u3
xen-utils-common 4.1.4-3+deb7u3
xenstore-utils 4.1.4-3+deb7u3

Debian DomU VMs:

uname -a:
Linux [redacted] 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2+deb7u2 x86_64 GNU/Linux 

dpkg -s libc6 | grep ^Version
Version: 2.13-38+deb7u6

burp dependencies:

libacl1:amd64 2.2.51-8
libc6:amd64 2.13-38+deb7u6
libgcc1:amd64 1:4.7.2-5
libncurses5:amd64 5.9-10
librsync1:amd64 0.9.7-9
libssl1.0.0:amd64 1.0.1e-2+deb7u13
libtinfo5:amd64 5.9-10
zlib1g:amd64 1:1.2.7.dfsg-13


Host aaaaaa:
ii  burp                               1.3.8-1

burp client output:
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1472
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1536
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1600
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1664
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1728
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1792
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1856
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1920
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1984
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2048
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2112
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2176
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2240
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2304
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2368
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2432
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2496
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2560
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2624
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2688
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2752
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2816
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2880
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2944
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3008
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3072
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3136
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3200
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3264
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3328
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3392
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3456
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3520
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3584
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3648
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3712
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3776
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3840
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3904
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 3968
ffffffffffffffffffffffffffff
(output stops while CPU use increases for ~1 hour)

top during this time:
  PID USER      PR  NI  VIRT  RES  SHR S  %CPU %MEM    TIME+ COMMAND
21702 root      20   0 37016 4296 2816 R  99.1  0.4   5:21.73 burp

strace:
select(6, NULL, [5], [5], {1, 1})       = 1 (out [5], left {0, 999995})
write(5, "\27\3\3\0002'\217)\36\354\306L\365\234MK\341\v\245~\240\377L\246\277\354;\36\304mB."..., 55) = 55 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 8192) = 8192 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 8192) = 8192 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096 read(6, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12288) = 12288 
... (repeats)

finalizing message:
--------------------------------------------------------------------------------
Start time: 2015-02-06 14:34:23
  End time: 2015-02-06 15:32:01
Time taken: 57:38
                             New   Changed Unchanged     Total | Scanned
--------------------------------------------------
                Files:     39064         0         -     39064 | 39064
          Directories:         -         -         -         - | 5474
           Soft links:         -         -         -         - | 1011
        Special files:         -         -         -         - |       31
          Grand total:     39064         0         -     39064 | 45580
--------------------------------------------------

             Warnings:             1

      Bytes estimated:   421840023817 (392.87 GB)
      Bytes in backup:   421840044575 (392.87 GB)
       Bytes received:             0
           Bytes sent:   421840044575 (392.87 GB)
--------------------------------------------------------------------------------

root@burp-srv:/var/spool/burp# du -sh aaaaaa
859M    aaaaaa
Note that Bytes estimated, in backup, and sent are all incorrect. During the period of high CPU-use there is negligible network traffic between burp client and server. 

Other hosts:

Host bbbbbb:
ii  burp                               1.3.8-1

finalizing message:
--------------------------------------------------------------------------------
Start time: 2015-02-06 14:36:45
  End time: 2015-02-06 15:32:57
Time taken: 56:12
                             New   Changed Unchanged     Total | Scanned
--------------------------------------------------
                Files:      4744         0         -      4744 | 4744
          Directories:         -         -         -         - |      683
           Soft links:         -         -         -         - |      846
        Special files:         -         -         -         - |        7
          Grand total:      4744         0         -      4744 | 6280
--------------------------------------------------

             Warnings:             1

      Bytes estimated:   421579052777 (392.63 GB)
      Bytes in backup:   421579056792 (392.63 GB)
       Bytes received:             0
           Bytes sent:   421579056792 (392.63 GB)
--------------------------------------------------------------------------------

root@burp-srv:/var/spool/burp# du -sh bbbbbb
710M    bbbbbb


Host cccccc:
ii  burp                               1.3.8-1

finalizing message:
--------------------------------------------------------------------------------
Start time: 2015-02-06 14:47:47
  End time: 2015-02-06 15:46:34
Time taken: 58:47
                             New   Changed Unchanged     Total | Scanned
--------------------------------------------------
                Files:     51602         0         -     51602 | 51602
          Directories:         -         -         -         - | 7785
           Soft links:         -         -         -         - | 1845
           Hard links:         -         -         -         - | 1360
        Special files:         -         -         -         - |       66
          Grand total:     51602         0         -     51602 | 62658
--------------------------------------------------

             Warnings:             1

      Bytes estimated:   422311636355 (393.31 GB)
      Bytes in backup:   422311639754 (393.31 GB)
       Bytes received:             0
           Bytes sent:   422311639754 (393.31 GB)
--------------------------------------------------------------------------------
2015-02-06 15:46:34: burp[21915] Phase 2 end (send file data)
2015-02-06 15:46:34: burp[21915] backup finished ok
2015-02-06 15:46:34: burp[21915] after client

root@burp-srv:/var/spool/burp# du -sh cccccc
1.2G    cccccc

burp server:
ii  burp                               1.3.8-1

Client burp.conf (commented lines excluded):
mode = client
port = 4971
server = de1-p-backup01.eogs.de
password = [redacted]
cname = uk1-d-ci01
pidfile = /var/run/burp.client.pid
syslog = 1
stdout = 1
progress_counter = 1
server_can_restore = 0
cross_filesystem=/home
cross_all_filesystems=0
ca_burp_ca = /usr/sbin/burp_ca
ca_csr_dir = /etc/burp/CA-client
ssl_cert_ca = /etc/burp/ssl_cert_ca.pem
ssl_cert = /etc/burp/ssl_cert-client.pem
ssl_key = /etc/burp/ssl_cert-client.key
ssl_key_password = password
ssl_peer_cn = burpserver
include = /home
include = /etc
include = /var
include = /opt
include = /boot
exclude_fs = sysfs
exclude_fs = tmpfs
nobackup = .nobackup
exclude_comp=bz2
exclude_comp=gz

--- End Message ---
--- Begin Message --- 
> Therefore this bug can be ignored. Problem was with my configuration, 
> not the package.

Okay then, thanks for investigating!

Sorry for the delay, but this package has no maintainer currently, and thus
non-serious bug reports are looked at only occassionally as part of drive-by
QA.

Meow!
-- 
An imaginary friend squared is a real enemy.

--- End Message ---
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