On Sat, 19 Jun 2010, Glenn Satchell wrote:
; On 06/18/10 18:09, Andy Fiddaman wrote: ; > ; > Since installing 138261-02 here I'm seeing problems which cause cron to ; > stall.. Whenever logadm tries to rotate the cron log file, there seems to ; > be a deadlock between cron and logadm, and /var/cron/log attains the l ; > flag.. ; > ; > # cd /var/cron ; > # ls ; > log olog ; > # tail log ; > ^C ; > # ls -l ; > total 2570 ; > -rw---l--- 1 root sys 531501 Jun 16 00:00 log ; > -rw------- 1 root sys 528384 Jun 16 00:00 olog ; > # date ; > Wed Jun 16 08:08:23 GMT 2010 ; > ; > You might want to skip that patch for the moment.. I've opened a case with ; > Sun but nothing back yet. ; > ; > A. ; > ; Hi Andy ; ; Interesting. I have that patch installed on a couple of systems and have not ; seen this. The cron log files have rotated since the patch was installed. I ; installed all available patches (not just recommended or security). ; ; Please advise any further info you get from Sun/Oracle. This might be one ; waiting to get me. It now looks like this is a ZFS deadlock which is triggered by the new atomic rotation code in logadm. If your /var isn't on ZFS then you should be ok. We're running ZFS root here. Andy
