Re: [regression] __tick_program_event of hpet is stuck

From: Stefan Hellermann
Date: Mon Sep 08 2008 - 15:25:06 EST

Frans Pop schrieb:
On Monday 08 September 2008, Frans Pop wrote:
With current git head (v2.6.27-rc5-319-g7686ad5) I'm seeing repeated
occurrences of the following on my HP Compaq 2510p laptop. Not seen
with earlier kernels, including 2.6.27-rc5.

I meant repeated as in "after different boots", but I now also see repeats when I leave the system on for some time. It keeps increasing the min_delta_ns to ever higher values.

CE: __tick_program_event of hpet is stuck 1468f1b3c9 1468f1c751
CE: increasing min_delta_ns 5000 to 10000 nsec
CE: __tick_program_event of hpet is stuck 33576032f74 33576035684
CE: increasing min_delta_ns 10000 to 20000 nsec
CE: __tick_program_event of hpet is stuck 63242b30d28 63242b35b48
CE: increasing min_delta_ns 20000 to 40000 nsec

The call trace is basically the same each time.
Exactly the same problem here. This is a Lenovo Thinkpad R61 with current git head (7686ad56).

Stefan Hellermann

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at