Hi Beth
I still found the emulated HPET would result in some boot failure. For
example, on my 2.6.30, with HPET enabled, the kernel would fail check_timer(),
especially in timer_irq_works().
The testing of timer_irq_works() is let 10 ticks pass(using mdelay()), and
want to confirm the clock
On Wed, Jan 06, 2010 at 05:48:52PM +0800, Sheng Yang wrote:
Hi Beth
I still found the emulated HPET would result in some boot failure. For
example, on my 2.6.30, with HPET enabled, the kernel would fail
check_timer(),
especially in timer_irq_works().
The testing of timer_irq_works()
On 01/06/2010 12:09 PM, Gleb Natapov wrote:
On Wed, Jan 06, 2010 at 05:48:52PM +0800, Sheng Yang wrote:
Hi Beth
I still found the emulated HPET would result in some boot failure. For
example, on my 2.6.30, with HPET enabled, the kernel would fail check_timer(),
especially in timer_irq_works().
Dor Laor wrote:
On 01/06/2010 12:09 PM, Gleb Natapov wrote:
On Wed, Jan 06, 2010 at 05:48:52PM +0800, Sheng Yang wrote:
Hi Beth
I still found the emulated HPET would result in some boot failure. For
example, on my 2.6.30, with HPET enabled, the kernel would fail
check_timer(),
especially in
Beth Kon wrote:
Dor Laor wrote:
On 01/06/2010 12:09 PM, Gleb Natapov wrote:
On Wed, Jan 06, 2010 at 05:48:52PM +0800, Sheng Yang wrote:
Hi Beth
I still found the emulated HPET would result in some boot failure. For
example, on my 2.6.30, with HPET enabled, the kernel would fail
On 01/06/2010 01:20 PM, Beth Kon wrote:
Beth Kon wrote:
I will try to look into this. Since HPET is edge-triggered, looks
like this problem is of a different nature than PIT. Is this a solid
failure or intermittent?
Anthony just explained that on x86, even edge-triggered interrupts are
On Wed, Jan 06, 2010 at 01:23:28PM -0600, Anthony Liguori wrote:
On 01/06/2010 01:20 PM, Beth Kon wrote:
Beth Kon wrote:
I will try to look into this. Since HPET is edge-triggered,
looks like this problem is of a different nature than PIT. Is
this a solid failure or intermittent?
Anthony
On 01/06/2010 01:44 PM, Gleb Natapov wrote:
On Wed, Jan 06, 2010 at 01:23:28PM -0600, Anthony Liguori wrote:
On 01/06/2010 01:20 PM, Beth Kon wrote:
Beth Kon wrote:
I will try to look into this. Since HPET is edge-triggered,
looks like this problem is of a different nature
On Wed, Jan 06, 2010 at 01:51:54PM -0600, Anthony Liguori wrote:
On 01/06/2010 01:44 PM, Gleb Natapov wrote:
On Wed, Jan 06, 2010 at 01:23:28PM -0600, Anthony Liguori wrote:
On 01/06/2010 01:20 PM, Beth Kon wrote:
Beth Kon wrote:
I will try to look into this. Since HPET is edge-triggered,
On 01/06/2010 02:37 PM, Gleb Natapov wrote:
We have exactly that hook in apic already and that's how RTC determines
that interrupt was coalesced.
AFAICT, apic_irq_delivered is only reset explicitly by the RTC when the
line is lowered. It's not currently lowered based on EOI.
How can
On Thursday 07 January 2010 02:36:26 Beth Kon wrote:
Dor Laor wrote:
On 01/06/2010 12:09 PM, Gleb Natapov wrote:
On Wed, Jan 06, 2010 at 05:48:52PM +0800, Sheng Yang wrote:
Hi Beth
I still found the emulated HPET would result in some boot failure. For
example, on my 2.6.30, with HPET
On Wed, Jan 06, 2010 at 04:42:30PM -0600, Anthony Liguori wrote:
On 01/06/2010 02:37 PM, Gleb Natapov wrote:
We have exactly that hook in apic already and that's how RTC determines
that interrupt was coalesced.
AFAICT, apic_irq_delivered is only reset explicitly by the RTC when
the line is
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