Hi, Found this in /var/log/syslog after machine freeze up when left (lid closed) for approx 10 mins.
Jan 2 12:30:19 petes-lappy kernel: [ 0.168032] ACPI: EC: GPE storm detected(9 GPEs), transactions will use polling mode Jan 2 12:30:19 petes-lappy kernel: [ 0.176106] ACPI: Interpreter enabled Jan 2 12:30:19 petes-lappy kernel: [ 0.176115] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20130517/hwxface-571) Jan 2 12:30:19 petes-lappy kernel: [ 0.176122] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20130517/hwxface-571) Jan 2 12:30:19 petes-lappy kernel: [ 0.176145] ACPI: (supports S0 S3 S4 S5) Jan 2 12:30:19 petes-lappy kernel: [ 0.176148] ACPI: Using IOAPIC for interrupt routing Jan 2 12:30:19 petes-lappy kernel: [ 0.176184] PCI: Ignoring host bridge windows from ACPI; if necessary, use "pci=use_crs" and report a bug Jan 2 12:30:19 petes-lappy kernel: [ 0.176385] ACPI: No dock devices found. Jan 2 12:30:19 petes-lappy kernel: [ 0.294465] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) Jan 2 12:30:19 petes-lappy kernel: [ 0.294477] ACPI BIOS Error (bug): \_SB_.PCI0._OSC: Excess arguments - ASL declared 5, ACPI requires 4 (20130517/nsarguments-189) Jan 2 12:30:19 petes-lappy kernel: [ 0.294562] \_SB_.PCI0:_OSC evaluation returned wrong type Jan 2 12:30:19 petes-lappy kernel: [ 0.294565] _OSC request data:1 8 0 Jan 2 12:30:19 petes-lappy kernel: [ 0.294577] ACPI BIOS Error (bug): \_SB_.PCI0._OSC: Excess arguments - ASL declared 5, ACPI requires 4 (20130517/nsarguments-189) Jan 2 12:30:19 petes-lappy kernel: [ 0.294655] \_SB_.PCI0:_OSC evaluation returned wrong type Jan 2 12:30:19 petes-lappy kernel: [ 0.294658] _OSC request data:1 1f 0 Jan 2 12:30:19 petes-lappy kernel: [ 0.294665] acpi PNP0A08:00: ACPI _OSC support notification failed, disabling PCIe ASPM Jan 2 12:30:19 petes-lappy kernel: [ 0.294669] acpi PNP0A08:00: Unable to request _OSC control (_OSC support mask: 0x08) Jan 2 12:30:19 petes-lappy kernel: [ 0.295455] acpi PNP0A08:00: host bridge window [io 0x0000-0x0cf7] (ignored) Jan 2 12:30:19 petes-lappy kernel: [ 0.295459] acpi PNP0A08:00: host bridge window [io 0x0d00-0xffff] (ignored) Jan 2 12:30:19 petes-lappy kernel: [ 0.295463] acpi PNP0A08:00: host bridge window [mem 0x000a0000-0x000bffff] (ignored) Jan 2 12:30:19 petes-lappy kernel: [ 0.295469] acpi PNP0A08:00: host bridge window [mem 0xc0000000-0xfebfffff] (ignored) Jan 2 12:30:19 petes-lappy kernel: [ 0.295472] PCI: root bus 00: using default resources Jan 2 12:30:19 petes-lappy kernel: [ 0.295655] PCI host bridge to bus 0000:00 I believe the line Jan 2 12:30:19 petes-lappy kernel: [ 0.294477] ACPI BIOS Error (bug): \_SB_.PCI0._OSC: Excess arguments - ASL declared 5, ACPI requires 4 (20130517/nsarguments-189) is the important one relating to some arguement between BIOS and kernel over ACPI settings. I have checked my BIOS and found no settings I can change (i.e only one option given) relating to ACPI please advise Pete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1249244 Title: hp xw4400 has a error in dmesg log To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lowlatency/+bug/1249244/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
