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authorRoland Dreier <rdreier@cisco.com>2007-02-13 13:26:25 +0100
committerAndi Kleen <andi@basil.nowhere.org>2007-02-13 13:26:25 +0100
commit3e94fb8f54c5305ed472e0867cd67d53e05bfb64 (patch)
treec14b7d3bbc7c7425b92a693629330ef1d25e43f3 /arch/m68knommu/kernel
parentee4eff6ff6cbfc8ce38131058a18802bf6206879 (diff)
[PATCH] x86-64: avoid warning message livelock
I've seen my box paralyzed by an endless spew of rtc: lost some interrupts at 1024Hz. messages on the serial console. What seems to be happening is that something real causes an interrupt to be lost and triggers the message. But then printing the message to the serial console (from the hpet interrupt handler) takes more than 1/1024th of a second, and then some more interrupts are lost, so the message triggers again.... Fix this by adding a printk_ratelimit() before printing the warning. Signed-off-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'arch/m68knommu/kernel')
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