Hi there,
I have nvidia optimus board, and i had several crashes, one after another , with out any notice or error. here is the kern.log output.:
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Sep 16 06:18:32 kernel: [ 1.093039] sdhci: Copyright(c) Pierre Ossman
Sep 16 06:18:32 kernel: [ 2.349806] nouveau: probe of 0000:01:00.0 failed with error -22
Sep 16 06:18:32 kernel: [ 3.149502] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro
Sep 16 06:19:46 kernel: [ 0.342050] ACPI: Using IOAPIC for interrupt routing
Sep 16 06:19:46 kernel: [ 0.619010] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 11 12 14 15) *7
Sep 16 06:19:46 kernel: [ 0.619055] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 11 12 14 15)
Sep 16 06:19:46 kernel: [ 0.619096] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 *10 11 12 14 15)
Sep 16 06:19:46 kernel: [ 0.619137] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 *10 11 12 14 15)
Sep 16 06:19:46 kernel: [ 0.619178] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
Sep 16 06:19:46 kernel: [ 0.619218] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
Sep 16 06:19:46 kernel: [ 0.619260] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 *11 12 14 15)
Sep 16 06:19:46 kernel: [ 0.619300] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 *11 12 14 15)
Sep 16 06:19:46 kernel: [ 1.112897] sdhci: Copyright(c) Pierre Ossman
Sep 16 06:19:46 kernel: [ 7.252606] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro
Sep 16 06:19:46 kernel: [ 8.056966] vboxdrv: Unknown symbol sched_setscheduler (err -22)
Sep 16 06:19:46 kernel: [ 8.056972] vboxdrv: Unknown symbol wake_up_process (err -22)
Sep 16 06:19:46 kernel: [ 8.057003] vboxdrv: Unknown symbol preempt_notifier_register (err -22)
Sep 16 06:19:46 kernel: [ 8.057026] vboxdrv: Unknown symbol preempt_notifier_unregister (err -22)
Sep 16 06:21:00 kernel: [ 0.368414] ACPI: Using IOAPIC for interrupt routing
Sep 16 06:21:00 kernel: [ 0.693273] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 11 12 14 15) *7
Sep 16 06:21:00 kernel: [ 0.693315] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 11 12 14 15)
Sep 16 06:21:00 kernel: [ 0.693354] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 *10 11 12 14 15)
Sep 16 06:21:00 kernel: [ 0.693392] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 *10 11 12 14 15)
Sep 16 06:21:00 kernel: [ 0.693430] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
Sep 16 06:21:00 kernel: [ 0.693469] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
Sep 16 06:21:00 kernel: [ 0.693508] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 *11 12 14 15)
Sep 16 06:21:00 kernel: [ 0.693546] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 *11 12 14 15)
Sep 16 06:21:00 kernel: [ 1.233491] sdhci: Copyright(c) Pierre Ossman
Sep 16 06:21:00 kernel: [ 2.626669] iwlwifi: Unknown symbol backport_dependency_symbol (err 0)
Sep 16 06:21:00 kernel: [ 4.760072] nouveau [ PMC][0000:01:00.0] MSI interrupts enabled
Sep 16 06:21:00 kernel: [ 7.739194] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro
Sep 16 06:26:32 kernel: [ 0.422014] ACPI: Using IOAPIC for interrupt routing
Sep 16 06:26:32 kernel: [ 0.580762] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 11 12 14 15) *7
Sep 16 06:26:32 kernel: [ 0.580801] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 11 12 14 15)
Sep 16 06:26:32 kernel: [ 0.580836] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 *10 11 12 14 15)
Sep 16 06:26:32 kernel: [ 0.580871] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 *10 11 12 14 15)
Sep 16 06:26:32 kernel: [ 0.580905] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
Sep 16 06:26:32 kernel: [ 0.580940] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
Sep 16 06:26:32 kernel: [ 0.580975] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 *11 12 14 15)
Sep 16 06:26:32 kernel: [ 0.581010] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 *11 12 14 15)
Sep 16 06:26:32 kernel: [ 1.078715] sdhci: Copyright(c) Pierre Ossman
Sep 16 06:26:32 kernel: [ 2.413170] nouveau: probe of 0000:01:00.0 failed with error -22
Sep 16 06:26:32 kernel: [ 2.983733] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro
Sep 16 23:27:02 kernel: [ 0.545273] ACPI: Using IOAPIC for interrupt routing
Sep 16 23:27:02 kernel: [ 0.766009] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 11 12 14 15) *7
Sep 16 23:27:02 kernel: [ 0.766118] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 11 12 14 15)
Sep 16 23:27:02 kernel: [ 0.766223] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 *10 11 12 14 15)
Sep 16 23:27:02 kernel: [ 0.766322] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 *10 11 12 14 15)
Sep 16 23:27:02 kernel: [ 0.766420] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
Sep 16 23:27:02 kernel: [ 0.766520] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled.
Sep 16 23:27:02 kernel: [ 0.766620] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 *11 12 14 15)
Sep 16 23:27:02 kernel: [ 0.766718] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 *11 12 14 15)
Sep 16 23:27:02 kernel: [ 2.017938] sdhci: Copyright(c) Pierre Ossman
Sep 16 23:27:02 kernel: [ 3.553334] nouveau: probe of 0000:01:00.0 failed with error -22
Sep 16 23:27:02 kernel: [ 4.344566] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro
i do suppose that is ACPI error, but i don't know how to handle it. - can any one suggest way to handle these ?