Recently, since I upgraded to -rc1, I've been seeing this at hibernate: [13875.384603] ACPI: Preparing to enter system sleep state S4 [13875.385232] ACPI Error (hwvalid-0186): Denied AML access to port 0x0000000000000080/2 (DMA1 0x0081-0x0083) [20090320] [13875.385745] ACPI Exception (evregion-0422): AE_AML_ILLEGAL_ADDRESS, Returned by Handler for [SystemIO] [20090320] [13875.386244] ACPI Error (psparse-0537): Method parse/execution failed [\P8XH] (Node ffff88007e44ef70), AE_AML_ILLEGAL_ADDRESS [13875.386896] ACPI Error (psparse-0537): Method parse/execution failed [\_PTS] (Node ffff88007e44edd0), AE_AML_ILLEGAL_ADDRESS [13875.387584] PM: Saving platform NVS memory [13875.960748] ACPI: Waking up from system sleep state S4 [13875.969861] ACPI Error (hwvalid-0186): Denied AML access to port 0x0000000000000080/2 (DMA1 0x0081-0x0083) [20090320] [13875.979217] ACPI Exception (evregion-0422): AE_AML_ILLEGAL_ADDRESS, Returned by Handler for [SystemIO] [20090320] [13875.988885] ACPI Error (psparse-0537): Method parse/execution failed [\P8XH] (Node ffff88007e44ef70), AE_AML_ILLEGAL_ADDRESS [13875.998930] ACPI Error (psparse-0537): Method parse/execution failed [\_WAK] (Node ffff88007e44ee38), AE_AML_ILLEGAL_ADDRESS [13876.008648] ACPI Exception (hwsleep-0589): AE_AML_ILLEGAL_ADDRESS, During Method _WAK [20090320] Sometimes it also delays hibernate and/or resume a long time. Or maybe that's unrelated: [55143.680741] ACPI: Waking up from system sleep state S4 [55143.689834] ACPI Error (hwvalid-0186): Denied AML access to port 0x0000000000000080/2 (DMA1 0x0081-0x0083) [20090320] [55143.699183] ACPI Exception (evregion-0422): AE_AML_ILLEGAL_ADDRESS, Returned by Handler for [SystemIO] [20090320] [55143.708843] ACPI Error (psparse-0537): Method parse/execution failed [\P8XH] (Node ffff88007e44ef70), AE_AML_ILLEGAL_ADDRESS [55143.718881] ACPI Error (psparse-0537): Method parse/execution failed [\_WAK] (Node ffff88007e44ee38), AE_AML_ILLEGAL_ADDRESS [55143.728585] ACPI Exception (hwsleep-0589): AE_AML_ILLEGAL_ADDRESS, During Method _WAK [20090320] [55143.738613] HDA Intel 0000:00:08.0: restoring config space at offset 0x1 (was 0xb00006, writing 0xb00002) [55143.748157] forcedeth 0000:00:0a.0: restoring config space at offset 0x1 (was 0xb00003, writing 0xb00007) [55143.757701] ahci 0000:00:0b.0: restoring config space at offset 0x1 (was 0xb00403, writing 0xb00407) [55164.200732] pci 0000:00:03.2: PME# disabled (look at the timing) johannes
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