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Groups > linux.kernel > #1640973
| From | PGNet Dev <pgnet.dev@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: HPET enabled in BIOS, not presented as available_clocksource -- config, kernel code, &/or BIOS? |
| Date | 2017-05-13 20:30 +0200 |
| Message-ID | <tGJXH-7hM-3@gated-at.bofh.it> (permalink) |
| References | <tGv8l-5SF-1@gated-at.bofh.it> <tGJkZ-6O2-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 5/13/17 10:41 AM, Randy Dunlap wrote: > [adding HPET driver maintainer] Thanks > A couple of comments below... >> In BIOS, HPET's enabled. > > How about if you just boot Linux without Xen? Does HPET show up then? yes, it appears so: cat devices/system/clocksource/clocksource0/available tsc hpet acpi_pm >> [ 8.491738] hpet_acpi_add: no address or irqs in _CRS > > Above line marks a big failure. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ I suspected that's problematic. In the non-Xen case dmesg | grep -i hpet [ 0.000000] ACPI: HPET 0x000000009E8298F8 000038 (v01 SUPERM SMCI--MB 01072009 AMI. 00000005) [ 0.000000] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.000000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484882848 ns [ 0.000000] hpet clockevent registered [ 0.144010] DMAR-IR: HPET id 0 under DRHD base 0xfed90000 [ 1.398047] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 1.404226] hpet0: 8 comparators, 64-bit 14.318180 MHz counter [ 1.412080] clocksource: Switched to clocksource hpet [ 3.627234] rtc_cmos 00:02: alarms up to one month, y3k, 242 bytes nvram, hpet irqs
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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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