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show system core-dumps

Syntax

show system core-dumps
<core-filename>
<core-file-info>
<brief | detail>

Syntax (TX Matrix Router)

show system core-dumps
<all-chassis |all-lcc | lcc number | scc>
<core-filename>
<core-file-info>
<brief | detail>

Syntax (TX Matrix Plus Router)

show system core-dumps
<all-chassis | all-lcc | lcc number | sfc number>
<core-filename>
<core-file-info>
<brief | detail>

Release Information

Command introduced before JUNOS Release 8.5.

sfc option introduced for the TX Matrix Plus router in JUNOS Release 9.6.

Description

Show core files on all JUNOS routers. You can use the show system core-dumps command to show a list of system core files created when the router has failed. This command can be useful for diagnostic purposes. Each list item includes the file permissions, number of links, owner, group, size, modification date, and path/filename.

You can use the option core-filename and its options core-file-info, brief, and detail to display more information about the specified core-dump files.

Options

none — Display a list of all existing core-dump files.

all-chassis — (TX Matrix and TX Matrix Plus routers only) (Optional) Display logging information about all the T640 routers (in a routing matrix based on the TX Matrix router) or T1600 routers (in a routing matrix based on the TX Matrix Plus routing matrix) in the chassis.

<all-lcc | lcc number> — (TX Matrix and TX Matrix Plus routers only) (Optional) On a TX Matrix router, display logging information about all T640 routers (or line-card chassis) or a specific T640 router connected to the TX Matrix router. On a TX Matrix Plus router, display logging information about all T1600 routers (or line-card chassis) or a specific T1600 router connected to the TX Matrix Plus router. Replace number with a value from 0 through 3. .

scc — (TX Matrix routers only) (Optional) Display logging information for the TX Matrix router (or switch-card chassis).

sfc — (TX Matrix Plus routers only) (Optional) Display logging information for the TX Matrix Plus router (or switch-fabric chassis).

core-filename(Optional) Name of a specific core file to display.

core-file-info — (Optional) Display the stack trace of a core file.

brief — (Optional) View details of binary.

detail — (Optional) View stack trace with details of binary.

Required Privilege Level

view

List of Sample Output

show system core-dumps
show system core-dumps
show system core-dumps (TX Matrix Plus Router)

Output Fields

Table 123 describes the output fields for the show system core-dumps command. Output fields are listed in the approximate order in which they appear.

Table 123: show system core-dumps Output Fields

Field Name

Field Description

Permissions

Read/write permissions for the file named.

Links

Number of links to the file.

Owner

Name of the file owner.

Group

Name of the group with file access.

File size

File size in bytes.

Modified

Last file modification date and time.

Path/filename

File path where the file resides and the filename.

Sample Output

show system core-dumps

This example shows the command output if core files exist.

user@host> show system core-dumps
-rw------- 1 root wheel 268369920 Jun 18 17:59 /var/crash/vmcore.0
-rw-rw---- 1 root field 3371008 Jun 18 17:53 /var/tmp/rpd.core.0
-rw-r--r-- 1 root wheel 27775914 Jun 18 17:59 /var/crash/kernel.0

show system core-dumps

This example shows the command output if core files do not exist.

user@host> show system core-dumps
/var/crash/*core*: No such file or directory
/var/tmp/*core*: No such file or directory
/var/crash/kernel.*: No such file or directory

show system core-dumps (TX Matrix Plus Router)

user@host> show system core-dumps
sfc0-re0:
--------------------------------------------------------------------------
/var/crash/kernel.*: No such file or directory
/tftpboot/corefiles/*core*: No such file or directory

/var/crash/cores:
total 8

/var/tmp/cores:
total 1627592
-rw-r--r--  1 root  field  535346090 May 15 07:36 rpd.core-tarball.0.090515.0736.tgz
-rw-r--r--  1 root  field  105632057 May 15 07:37 rpd.core-tarball.1.090515.0737.tgz
-rw-r--r--  1 root  field  101981681 May 15 07:38 rpd.core-tarball.2.090515.0738.tgz
-rw-r--r--  1 root  field   85854573 May 15 07:40 rpd.core-tarball.3.090515.0740.tgz
-rw-r--r--  1 root  field    4157845 May 15 08:18 rpd.core-tarball.4.090515.0818.tgz

lcc0-re0:
--------------------------------------------------------------------------
/var/crash/kernel.*: No such file or directory
/tftpboot/corefiles/*core*: No such file or directory

/var/crash/cores:
total 8

/var/tmp/cores:
total 12

lcc1-re0:
--------------------------------------------------------------------------
/var/crash/kernel.*: No such file or directory
/tftpboot/corefiles/*core*: No such file or directory

/var/crash/cores:
total 8

/var/tmp/cores:
total 10024
-rw-r--r--  1 root  field    1875794 Apr 22 15:47 chassisd.core-tarball.0.090422.1547.tgz
-rw-r--r--  1 root  field    1894183 Apr 22 19:02 chassisd.core-tarball.0.090422.1902.tgz
-rw-r--r--  1 root  field    1290240 Apr 26 16:01 ksyncd_1558.core.0.090426.1601

lcc2-re0:
--------------------------------------------------------------------------
/var/crash/kernel.*: No such file or directory
/tftpboot/corefiles/*core*: No such file or directory

/var/crash/cores:
total 21124008
-rw-r--r--  1 root  wheel  1022376528 May 2  06:43 core-LCC2-EGFPC7.core.0.090502.0643
-rw-r--r--  1 root  wheel  1022376528 May 2  08:13 core-LCC2-EGFPC7.core.0.090502.0813
-rw-r--r--  1 root  wheel  1022376544 May 5  06:15 core-LCC2-EGFPC7.core.0.090505.0615
-rw-r--r--  1 root  wheel  1022376544 May 6  10:59 core-LCC2-EGFPC7.core.0.090506.1059
-rw-r--r--  1 root  wheel  1022376528 May 2  06:58 core-LCC2-EGFPC7.core.1.090502.0658
-rw-r--r--  1 root  wheel  754271232 May 5  06:33 core-LCC2-EGFPC7.core.1.090505.0633
-rw-r--r--  1 root  wheel  264897536 May 6  11:12 core-LCC2-EGFPC7.core.1.090506.1112
-rw-r--r--  1 root  wheel  1022376528 May 2  07:22 core-LCC2-EGFPC7.core.2.090502.0722
-rw-r--r--  1 root  wheel  163633152 May 5  06:52 core-LCC2-EGFPC7.core.2.090505.0652
-rw-r--r--  1 root  wheel  171312128 May 6  12:13 core-LCC2-EGFPC7.core.2.090506.1213
-rw-r--r--  1 root  wheel  1022376528 May 2  07:39 core-LCC2-EGFPC7.core.3.090502.0739
-rw-r--r--  1 root  wheel  1022376528 May 2  07:55 core-LCC2-EGFPC7.core.4.090502.0755
-rw-r--r--  1 root  wheel  427277312 May 7  04:47 core-LCC2-STFPC4.core.0.090507.0447
-rw-r--r--  1 root  wheel  419609600 May 7  04:47 core-LCC2-STFPC5.core.0.090507.0447
-rw-r--r--  1 root  wheel  432356352 May 7  04:47 core-LCC2-STFPC6.core.0.090507.0447

/var/tmp/cores:
total 2568
-rw-r--r--  1 root  field    1290240 May 14 14:26 ksyncd_1540.core.0.090514.1426
...

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