RE: [PATCH v2 0/4] RTC: New logic to emulate RTC

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> -----Original Message-----
> From: Paolo Bonzini [mailto:pbonzini@xxxxxxxxxx]
> Sent: Wednesday, February 22, 2012 7:19 PM
> 0) My alarm tests failed quite badly. :(  I attach a patch for kvm-unit-tests
> (repository at git://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git).
> The tests can be compiled simply with "make" and run with "qemu-kvm -kernel
> /path/to/x86/rtc.flat -serial stdio -display none".  Upstream QEMU fails some of
> the tests.  My branch rtc-cleanup at git://github.com/bonzini/qemu.git passes
> them.  The tests should take 30-40 seconds to run.
> 
Hi paolo
The DM and 24/12 test case assumes the changing of DM bit will reflect to RTC internal clock. But the datasheet said nothing will affect if you change it. Also, the current logic in qemu has the same assumption. Does this a bug or just by design?


best regards
yang
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