Messages in this thread | | | Subject | Re: RTC seems broken on 2.6.38-rc1 for RTCs lacking alarms. | From | John Stultz <> | Date | Thu, 20 Jan 2011 13:16:36 -0800 |
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On Thu, 2011-01-20 at 12:51 -0800, David Daney wrote: > open("/dev/rtc0", O_RDONLY|O_LARGEFILE) = 3 > ioctl(3, PRESTO_GETMOUNT or RTC_UIE_ON, 0) = 0 > _newselect(4, [3], NULL, NULL, {5, 0}) = 0 (Timeout) > write(2, "select() to /dev/rtc0 to wait for"..., 55select() to /dev/rtc0 > to wait for clock tick timed out > ) = 55 > ioctl(3, PRESTO_SETPID or RTC_UIE_OFF, 0) = 0 > close(3) = 0 > exit_group(1) = ? > > > The hwclock program is asking to put the clock in UIE mode and then > does a select() on it. Since the alarm doesn't work, the select times out. > > Previously the ioctl(RTC_UIE_ON) would return EINVAL:
Ah. Good diagnosis! Let me try to get a patch for you and Andreas to test.
thanks -john
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