Date: Sat, 19 Jul 2008 10:03:15 +0300 From: "Oleg V. Nauman" <oleg@opentransfer.com> To: stable@freebsd.org Subject: ACPI regression on recent 7.0-STABLE: HPET stops working Message-ID: <20080719100315.2td4dl2q5ck88wkw@webmail.opentransfer.com>
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It seems to be something was changed with ACPI support on 7.0-STABLE =20
so my next system upgrade ended with ACPI HPET not working anymore on =20
my ASUS A9Rp laptop.
Here is the part of /var/log/dmesg.today dated July 13:
FreeBSD 7.0-STABLE #65: Tue Jul 8 22:05:07 EEST 2008
root@rainhaven.theweb.org.ua:/usr/src/sys/i386/compile/oleg2
[..]
acpi0: <A M I OEMRSDT> on motherboard
acpi0: Overriding SCI Interrupt from IRQ 9 to IRQ 21
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, 77f00000 (3) failed
Timecounter "ACPI-safe" frequency 3579545 Hz quality 850
acpi_timer0: <32-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
acpi_ec0: <Embedded Controller: GPE 0x18> port 0x62,0x66 on acpi0
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi=
0
Timecounter "HPET" frequency 14318180 Hz quality 900
Here is the fresh dmesg output info:
FreeBSD 7.0-STABLE #66: Tue Jul 15 22:11:27 EEST 2008
root@rainhaven.theweb.org.ua:/usr/src/sys/i386/compile/oleg2
[..]
acpi0: <A M I OEMRSDT> on motherboard
acpi0: Overriding SCI Interrupt from IRQ 9 to IRQ 21
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, 77f00000 (3) failed
Timecounter "ACPI-safe" frequency 3579545 Hz quality 850
acpi_timer0: <32-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
[..]
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi=
0
device_attach: acpi_hpet0 attach returned 12
And the part of actual sysctl kern.timecounter output:
kern.timecounter.choice: TSC(800) ACPI-safe(850) i8254(0) dummy(-1000000)
kern.timecounter.hardware: ACPI-safe
--=20
Oleg
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