clamd and RH kernel 2.6.9-67.0.20

Greg Matthews gmatt at
Thu Aug 14 15:54:05 IST 2008

guess I really chose the wrong moment to change from clamavmodule to 
clamd! I hit this bug:

where the combination of clamd and kernel 2.6.9-67.0.20 results in a 
kernel panic (under heavy IO?).

The patches that caused the problem were removed in 2.6.9-67.0.22 but 
the full fix isnt available until 2.6.9-78.0.1 (the first update /after/ 
release of RHEL4.7). In other words, the fix didnt make it into 4.7 
where the problem still exists but the latest kernel rev /does/ include 
the fix.

CentOS has not yet released 4.7 so I am currently running with 
2.6.9-67.0.22. The alternative was to roll back to 2.6.9-67.0.15. I 
assume that once CentOS release 4.7 it will already include the fixed 

just a heads up for anyone else choosing this moment to switch to clamd.

Greg Matthews           01491 692445
Head of UNIX/Linux, iTSS Wallingford

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