 | | | rtc: lost some interrupts .... | rtc: lost some interrupts .... 2005-01-14 - By Don Buchholz
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I've got 4 systems which keep printing this message in the log file:
Jan 11 01:08:08 tssu3 kernel: rtc: lost some interrupts at 1024Hz.
All are running RHEL-3/U4+ kernel [2.4.21-27.0.1.ELsmp]. None of these
messages were seen in the previous configuration [2.4.21-15.0.2.ELsmp].
In addition, there are 16 more systems running the RHEL-3/U4+ kernel
(13 SMP [2.4.21-27.0.1.ELsmp] and 3 uniproc [2.4.21-27.0.1.EL]) which
also do not complain about lost interrupts.
Questions:
-- ---- --
1) What, exactly, does it mean when the real-time clock loses an
interrupt?
2) ... and the implications on applications and/or system stability
and performance?
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