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Re: [Xen-devel] HPET enabled in BIOS, not presented as available_clocksource -- config, kernel code, &/or BIOS?

From Valentin Vidic <Valentin.Vidic@CARNet.hr>
Newsgroups linux.kernel
Subject Re: [Xen-devel] HPET enabled in BIOS, not presented as available_clocksource -- config, kernel code, &/or BIOS?
Date 2017-05-13 22:30 +0200
Message-ID <tGLPP-73-5@gated-at.bofh.it> (permalink)
References (3 earlier) <tGKTM-7SS-15@gated-at.bofh.it> <tGLd8-82A-9@gated-at.bofh.it> <tGLd8-82A-7@gated-at.bofh.it> <tGLmN-88a-5@gated-at.bofh.it> <tGLwt-8r2-7@gated-at.bofh.it>
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On Sat, May 13, 2017 at 01:05:22PM -0700, PGNet Dev wrote:
> back to the error at hand ...
> 
>  xl dmesg | grep -i hpet
>   [    1.365876] hpet_acpi_add: no address or irqs in _CRS
>   [    1.365876] hpet_acpi_add: no address or irqs in _CRS
> 
> again, only present when booting with Xen.
> 
> same kernel, no Xen, no such error.

Are you sure this is `xl dmesg` and not `dmesg` output?

On Debian jessie it looks like the hypervisor is using
HPET by default as expected:

# xl dmesg | grep -i hpet
(XEN) ACPI: HPET 7986E860, 0038 (r1 SUPERM SMCI--MB        1 INTL 20091013)
(XEN) Platform timer is 14.318MHz HPET

# dmesg | grep -i hpet
[    0.000000] ACPI: HPET id: 0x8086a701 base: 0xfed00000
[   64.157167] hpet_acpi_add: no address or irqs in _CRS

-- 
Valentin

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HPET enabled in BIOS, not presented as available_clocksource --  config, kernel code, &/or BIOS? PGNet Dev <pgnet.dev@gmail.com> - 2017-05-13 04:40 +0200
  Re: HPET enabled in BIOS, not presented as available_clocksource --  config, kernel code, &/or BIOS? Randy Dunlap <rdunlap@infradead.org> - 2017-05-13 19:50 +0200
    Re: HPET enabled in BIOS, not presented as available_clocksource --  config, kernel code, &/or BIOS? PGNet Dev <pgnet.dev@gmail.com> - 2017-05-13 20:30 +0200
      Re: HPET enabled in BIOS, not presented as available_clocksource --  config, kernel code, &/or BIOS? Randy Dunlap <rdunlap@infradead.org> - 2017-05-13 21:30 +0200
        Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? PGNet Dev <pgnet.dev@gmail.com> - 2017-05-13 21:50 +0200
          Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? Andrew Cooper <andrew.cooper3@citrix.com> - 2017-05-13 22:00 +0200
            Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? PGNet Dev <pgnet.dev@gmail.com> - 2017-05-13 22:10 +0200
              Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? Andrew Cooper <andrew.cooper3@citrix.com> - 2017-05-13 22:20 +0200
                Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? PGNet Dev <pgnet.dev@gmail.com> - 2017-05-13 23:10 +0200
                Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? Juergen Gross <jgross@suse.com> - 2017-05-14 19:20 +0200
              Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? Valentin Vidic <Valentin.Vidic@CARNet.hr> - 2017-05-13 22:30 +0200
                Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? PGNet Dev <pgnet.dev@gmail.com> - 2017-05-13 23:10 +0200
                Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? Valentin Vidic <Valentin.Vidic@CARNet.hr> - 2017-05-13 23:40 +0200
                Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? PGNet Dev <pgnet.dev@gmail.com> - 2017-05-14 00:00 +0200
                Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? Valentin Vidic <Valentin.Vidic@CARNet.hr> - 2017-05-14 00:20 +0200
                Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? PGNet Dev <pgnet.dev@gmail.com> - 2017-05-14 01:20 +0200
                Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? Andrew Cooper <andrew.cooper3@citrix.com> - 2017-05-14 17:50 +0200
                Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? Randy Dunlap <rdunlap@infradead.org> - 2017-05-14 19:50 +0200
                Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? "Austin S. Hemmelgarn" <ahferroin7@gmail.com> - 2017-05-15 20:10 +0200
                Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? PGNet Dev <pgnet.dev@gmail.com> - 2017-05-17 02:20 +0200
        Re: [Xen-devel] HPET enabled in BIOS, not presented as  available_clocksource -- config, kernel code, &/or BIOS? Andrew Cooper <andrew.cooper3@citrix.com> - 2017-05-13 22:10 +0200
    Re: HPET enabled in BIOS, not presented as available_clocksource --  config, kernel code, &/or BIOS? PGNet Dev <pgnet.dev@gmail.com> - 2017-05-13 22:00 +0200
    Re: HPET enabled in BIOS, not presented as available_clocksource --  config, kernel code, &/or BIOS? Clemens Ladisch <clemens@ladisch.de> - 2017-05-13 22:00 +0200

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