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Message-ID: <3199697.iYHk9DmIeE@vostro.rjw.lan> Date: Sun, 03 Feb 2013 21:15:12 +0100 From: "Rafael J. Wysocki" <rjw@...k.pl> To: Borislav Petkov <bp@...en8.de> Cc: Jiri Slaby <jslaby@...e.cz>, Bjorn Helgaas <bhelgaas@...gle.com>, x86@...nel.org, lkml <linux-kernel@...r.kernel.org>, Konstantin Khlebnikov <khlebnikov@...nvz.org> Subject: Re: Uhhuh. NMI received for unknown reason 2c on CPU 0. On Sunday, February 03, 2013 03:46:56 PM Borislav Petkov wrote: > On Sun, Feb 03, 2013 at 12:04:46AM +0100, Rafael J. Wysocki wrote: > > The [2/5] is at: https://patchwork.kernel.org/patch/2001211/ > > > > The other two are attached. I suppose the ordering doesn't matter. > > Ok, the eth link cable hotplugging issue seems fixed, plugging and > unplugging the cable works as expected. Cool, thanks. > The issue I triggered earlier: > > > BUT(!), if I start powertop and set all tunables in the "Tunables" tab > > to "Good", then suspend to disk, when I resume I get the NMI and this > > time the unknown reason is 0x3c. > > ... still happens: > > [ 123.250870] PM: Creating hibernation image: > [ 123.504940] PM: Need to copy 95667 pages <--- suspend to disk > [ 123.252841] Enabling non-boot CPUs ... <--- resume > [ 123.254021] SMP alternatives: lockdep: fixing up alternatives > [ 123.254026] smpboot: Booting Node 0 Processor 1 APIC 0x1 > [ 123.275566] CPU1 is up > [ 123.275697] SMP alternatives: lockdep: fixing up alternatives > [ 123.275699] smpboot: Booting Node 0 Processor 2 APIC 0x2 > [ 123.297581] CPU2 is up > [ 123.297699] SMP alternatives: lockdep: fixing up alternatives > [ 123.297701] smpboot: Booting Node 0 Processor 3 APIC 0x3 > [ 123.319358] CPU3 is up > [ 123.321928] i915 0000:00:02.0: power state changed by ACPI to D0 > [ 123.321992] xhci_hcd 0000:00:14.0: power state changed by ACPI to D0 > [ 123.333256] ehci-pci 0000:00:1a.0: power state changed by ACPI to D0 > [ 123.344541] ehci-pci 0000:00:1d.0: power state changed by ACPI to D0 > [ 123.345012] sdhci-pci 0000:02:00.0: MMC controller base frequency changed to 50Mhz. > [ 123.345744] PM: noirq restore of devices complete after 24.061 msecs > [ 123.346684] PM: early restore of devices complete after 0.836 msecs > [ 123.389863] i915 0000:00:02.0: setting latency timer to 64 > [ 123.389870] xhci_hcd 0000:00:14.0: setting latency timer to 64 > [ 123.389887] ehci-pci 0000:00:1a.0: setting latency timer to 64 > [ 123.389907] usb usb3: root hub lost power or was reset > [ 123.389908] usb usb1: root hub lost power or was reset > [ 123.389909] usb usb2: root hub lost power or was reset > [ 123.390034] e1000e 0000:00:19.0: irq 44 for MSI/MSI-X > [ 123.390171] xhci_hcd 0000:00:14.0: irq 45 for MSI/MSI-X > [ 123.390308] snd_hda_intel 0000:00:1b.0: irq 47 for MSI/MSI-X > [ 123.391013] ehci-pci 0000:00:1d.0: setting latency timer to 64 > [ 123.391038] usb usb4: root hub lost power or was reset > [ 123.393798] ehci-pci 0000:00:1a.0: cache line size of 64 is not supported > [ 123.394115] ahci 0000:00:1f.2: setting latency timer to 64 > [ 123.394229] iwlwifi 0000:03:00.0: RF_KILL bit toggled to disable radio. > [ 123.394923] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported > [ 123.697314] usb 3-1: reset high-speed USB device number 2 using ehci-pci > [ 123.698252] ata2: SATA link down (SStatus 0 SControl 300) > [ 123.699286] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) > [ 123.701259] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > [ 123.701287] ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded > [ 123.701291] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out > [ 123.702699] ata3.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded > [ 123.702703] ata3.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out > [ 123.703222] ata5: SATA link down (SStatus 0 SControl 300) > [ 123.704603] ata3.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded > [ 123.704606] ata3.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out > [ 123.705938] ata3.00: configured for UDMA/100 > [ 123.706033] sd 2:0:0:0: [sdb] Starting disk > [ 123.706041] ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded > [ 123.706045] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out > [ 123.735336] ata1.00: configured for UDMA/133 > [ 123.735662] sd 0:0:0:0: [sda] Starting disk > [ 123.912740] usb 4-1: reset high-speed USB device number 2 using ehci-pci > [ 124.129520] PM: restore of devices complete after 741.589 msecs > [ 124.174684] Restarting tasks ... done. > [ 124.177521] video LNXVIDEO:00: Restoring backlight state > [ 124.186033] xhci_hcd 0000:00:14.0: power state changed by ACPI to D3cold > [ 124.214931] ehci-pci 0000:00:1a.0: power state changed by ACPI to D3cold > [ 124.214970] ehci-pci 0000:00:1d.0: power state changed by ACPI to D3cold > [ 124.394882] Uhhuh. NMI received for unknown reason 3c on CPU 0. <--- FUN. > [ 124.394890] Do you have a strange power saving mode enabled? > [ 124.394892] Dazed and confused, but trying to continue > [ 124.407438] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off > [ 127.035581] ehci-pci 0000:00:1a.0: power state changed by ACPI to D0 > [ 127.135668] ehci-pci 0000:00:1a.0: setting latency timer to 64 > [ 127.135910] ehci-pci 0000:00:1d.0: power state changed by ACPI to D0 > [ 127.146500] ehci-pci 0000:00:1a.0: power state changed by ACPI to D3cold > [ 127.236381] ehci-pci 0000:00:1d.0: setting latency timer to 64 > [ 127.236658] xhci_hcd 0000:00:14.0: power state changed by ACPI to D0 > [ 127.247244] ehci-pci 0000:00:1d.0: power state changed by ACPI to D3cold > [ 127.337137] xhci_hcd 0000:00:14.0: setting latency timer to 64 > [ 127.348286] e1000e 0000:00:19.0: irq 44 for MSI/MSI-X > [ 127.348975] xhci_hcd 0000:00:14.0: power state changed by ACPI to D3cold > [ 129.255203] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx > [ 129.255215] e1000e 0000:00:19.0 eth0: 10/100 speed: disabling TSO Is suspend-to-RAM triggering that as too? Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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