On 1/19/07, Matheus Izvekov <[EMAIL PROTECTED]> wrote:
On 1/19/07, Len Brown <[EMAIL PROTECTED]> wrote: > I guess I'm losing my mind, because when I read this code, > there are only two ways out of the while(retry) loop. > Either return with success, or retry is 0. > So how the heck is retry printed as 142?! > > did you notice any delay between the last two lines of printout above? > > please boot with "acpi_dbg_layer=2" "acpi_dbg_level=0xffffffff" > so that we can see each read and write of the hardware look like. > Success is measured here by looking for SCI_EN being set > to indicate that we successfully entered ACPI mode. > > I guess we should see about 142 reads looking for SCI_EN... > > It would be interesting if you could boot a windows disk on this box > to see if they are able to get into ACPI mode. You'd be able to > tell by dumping the interrupt list, looking at the device tree, > or observing if the power button gives immediate poweroff > or does an OS shutdown. > > thanks, > -Lenprintk("ACPI: retry %d\n") -> printk("ACPI: retry %d\n", retry) ;) ill try this again soon.
Ok, here is what i got: hwacpi-0207 [C031D380] [04] hw_get_mode : ----Entry hwregs-0273 [C031D380] [05] get_register : ----Entry hwregs-0487 [C031D380] [06] hw_register_read : ----Entry hwregs-0810 [C031D380] [06] hw_low_level_read : Read: 00000000 width 16 from 0000000000000404 (SystemIO) hwregs-0575 [C031D380] [06] hw_register_read : ----Exit- AE_OK hwregs-0300 [C031D380] [05] get_register : Read value 00000000 register 3 hwregs-0303 [C031D380] [05] get_register : ----Exit- AE_OK hwacpi-0226 [C031D380] [04] hw_get_mode : ----Exit- 0000000000000002 ACPI: retry 0 ACPI Error (hwacpi-0185): Hardware did not change modes [20060707] hwacpi-0186 [C031D380] [03] hw_set_mode : ----Exit- ****Exception****: AE_NO_HARDWARE_RESPONSE ACPI Error (evxfevnt-0084): Could not transition to ACPI mode [20060707] ACPI Warning (utxface-0154): AcpiEnable failed [20060707] ACPI: Unable to enable ACPI - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
