Hello. I have a Sony VAIO VPCZ23A4R laptop. In Windows 7, it has a battery life of 7 hours (but now I have only Gentoo Linux on my SSD). In Gentoo Linux (with kernel 3.7.1), the battery lasts only 4-5 hours. I guessed that the problem can be related to ASPM, and booted the laptop with the "pcie_aspm=force" kernel parameter. Result: [ 0.709517] \_SB_.PCI0:_OSC invalid UUID [ 0.709518] _OSC request data:1 1f 1f [ 0.709523] pci0000:00: ACPI _OSC support notification failed, disabling PCIe ASPM [ 0.709524] pci0000:00: Unable to request _OSC control (_OSC support mask: 0x08) acpidump output is available at https://bugs.freedesktop.org/attachment.cgi?id=65558 What else do I need to send you in order to debug and eliminate the problem? -- Alexander E. Patrakov -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
