Messages in this thread | | | From | Faik Uygur <> | Subject | Re: ahci_softreset prevents acpi_power_off | Date | Sun, 14 Jan 2007 19:50:14 +0200 |
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14 Oca 2007 Paz 05:18 tarihinde şunları yazmıştınız: >> [...] > > Since you're getting to this point I think this has to be some kind of > > BIOS interaction causing this. The only thing that happens after the > > "Entering sleep state" is that the kernel writes to some ACPI registers > > to tell the hardware to power down. I think some laptop BIOSes do things > > on ACPI power down like try to park the drive heads, etc. and maybe this > > change that you found from git bisecting is somehow interfering with it > > doing this? > > > > Might want to check for a BIOS update first of all.. > > It would be interesting to try -mm, which includes ACPI support for ATA...
With the same .config used and with CONFIG_SATA_ACPI defined as default in 2.6.20-rc4-mm1 the machine did not poweroff again.
> Jeff
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