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Bug #1165

closed

af_packet - one thread consistently not working

Added by Peter Manev about 10 years ago. Updated almost 10 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Eric Leblond
Target version:
2.0.1rc1
Affected Versions:
Effort:
Difficulty:
Label:

Description

Suricata 2.0 is not affected by this issue.
This issue affects only the current git master when running af_packet with workers.

It seems that one thread is never working.

grep kernel stats.log | tail -32
capture.kernel_packets    | AFPacketeth31             | 9523057
capture.kernel_drops      | AFPacketeth31             | 380976
capture.kernel_packets    | AFPacketeth32             | 8901220
capture.kernel_drops      | AFPacketeth32             | 238163
capture.kernel_packets    | AFPacketeth33             | 9159105
capture.kernel_drops      | AFPacketeth33             | 275809
capture.kernel_packets    | AFPacketeth34             | 0
capture.kernel_drops      | AFPacketeth34             | 0
capture.kernel_packets    | AFPacketeth35             | 8664225
capture.kernel_drops      | AFPacketeth35             | 264977
capture.kernel_packets    | AFPacketeth36             | 9500316
capture.kernel_drops      | AFPacketeth36             | 272786
capture.kernel_packets    | AFPacketeth37             | 9211077
capture.kernel_drops      | AFPacketeth37             | 310315
capture.kernel_packets    | AFPacketeth38             | 9222884
capture.kernel_drops      | AFPacketeth38             | 285394
capture.kernel_packets    | AFPacketeth39             | 9136390
capture.kernel_drops      | AFPacketeth39             | 286365
capture.kernel_packets    | AFPacketeth310            | 10266882
capture.kernel_drops      | AFPacketeth310            | 329302
capture.kernel_packets    | AFPacketeth311            | 7989962
capture.kernel_drops      | AFPacketeth311            | 234614
capture.kernel_packets    | AFPacketeth312            | 8289363
capture.kernel_drops      | AFPacketeth312            | 258454
capture.kernel_packets    | AFPacketeth313            | 8444730
capture.kernel_drops      | AFPacketeth313            | 261794
capture.kernel_packets    | AFPacketeth314            | 8903356
capture.kernel_drops      | AFPacketeth314            | 331409
capture.kernel_packets    | AFPacketeth315            | 8347616
capture.kernel_drops      | AFPacketeth315            | 207902
capture.kernel_packets    | AFPacketeth316            | 8679327
capture.kernel_drops      | AFPacketeth316            | 245890

That is persistent across Suricata restarts, just different thread (usually either thread number 1 or thread number 4).

suricata --build-info
This is Suricata version 2.0dev (rev ab50387)
Features: PCAP_SET_BUFF LIBPCAP_VERSION_MAJOR=1 PF_RING AF_PACKET HAVE_PACKET_FANOUT LIBCAP_NG LIBNET1.1 HAVE_HTP_URI_NORMALIZE_HOOK HAVE_NSS HAVE_LUAJIT HAVE_LIBJANSSON
SIMD support: SSE_4_2 SSE_4_1 SSE_3
Atomic intrisics: 1 2 4 8 16 byte(s)
64-bits, Little-endian architecture
GCC version 4.6.3, C version 199901
compiled with -fstack-protector
compiled with _FORTIFY_SOURCE=2
L1 cache line size (CLS)=64
compiled with LibHTP v0.5.10, linked against LibHTP v0.5.10
Suricata Configuration:
  AF_PACKET support:                       yes
  PF_RING support:                         yes
  NFQueue support:                         no
  IPFW support:                            no
  DAG enabled:                             no
  Napatech enabled:                        no
  Unix socket enabled:                     yes
  Detection enabled:                       yes

  libnss support:                          yes
  libnspr support:                         yes
  libjansson support:                      yes
  Prelude support:                         no
  PCRE jit:                                no
  libluajit:                               yes
  libgeoip:                                yes
  Non-bundled htp:                         no
  Old barnyard2 support:                   no
  CUDA enabled:                            no

  Suricatasc install:                      yes

  Unit tests enabled:                      no
  Debug output enabled:                    no
  Debug validation enabled:                no
  Profiling enabled:                       no
  Profiling locks enabled:                 no
  Coccinelle / spatch:                     yes

Generic build parameters:
  Installation prefix (--prefix):          /usr/local
  Configuration directory (--sysconfdir):  /usr/local/etc/suricata/
  Log directory (--localstatedir) :        /usr/local/var/log/suricata/

  Host:                                    x86_64-unknown-linux-gnu
  GCC binary:                              gcc
  GCC Protect enabled:                     no
  GCC march native enabled:                yes
  GCC Profile enabled:                     no
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