3

I have an RHEL 5 system:

[root@myhost ~]# cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 5.11 (Tikanga)

When I run dmesg, I get a strange and disconcerting message:

[root@myhost ~]# dmesg | grep -i worm
Worm initializing...<1>done.

What does this message mean and where does it come from?

Here is the full dmesg output.

5

This message is generated by a kernel module called worm:

[myhost ~]% lsmod | grep worm
worm                   39172  0 
[myhost ~]% grep "Worm initializing..." /usr/diags/kernmods/worm/worm.c
    printk(KERN_ALERT "Worm initializing...");

From the comments in the module source code:

worm.c -- x86 Linux wormhole driver for diagnostics for 2.2.x Kernels

This kernel module is provided by the field_diags_xe_x86 package, which provides diagnostic tools for SGI hardware:

[myhost ~]% rpm -qf /usr/diags/kernmods/worm/worm.c
field_diags_xe_x86-3.24-4a.x86_64
[myhost ~]% rpm -qi field_diags_xe_x86-3.24-4a.x86_64
Name        : field_diags_xe_x86           Relocations: (not relocatable)
Version     : 3.24                              Vendor: SGI Inc.
Release     : 4a                            Build Date: Wed 05 Nov 2008 07:42:58 AM MST
Install Date: Thu 04 Dec 2008 11:29:46 AM MST      Build Host: hook.americas.sgi.com
Group       : Applications/System           Source RPM: field_diags_xe_x86-3.24-4a.src.rpm
Size        : 103026006                        License: SGI
Signature   : (none)
Packager    : Developer dsd on machine hook
URL         : http://wwwcf.americas.sgi.com/PUBLIC/diags/Menus/sn2mhome.html
Summary     : SGI Altix XE X86 Online Diagnostics
Description :
The SGI Altix XE X86 Online Diagnostics software package.

So this message in dmesg is not malicious, though the kernel module may be poorly named.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.