On Friday, February 07, 2014 02:43:03 PM Peter Wu wrote: > On Friday 07 February 2014 00:48:14 Rafael J. Wysocki wrote: > > On Friday, February 07, 2014 12:27:03 AM you wrote: > > [...] > > > > > [ 49.170694] video LNXVIDEO:01: Restoring backlight state > > > [ 49.644845] ACPI: \_SB_.AC__: ACPI_NOTIFY_BUS_CHECK event: unsupported > > > [ 49.646671] jme 0000:04:00.5: irq 50 for MSI/MSI-X > > > [ 49.671645] jme 0000:04:00.5 eth0: Link is down > > > > Well, this means that Ethernet device is present after the resume. > > Right, but it is gone when I check it (lspci). Here is the original > journal with dates and machine name stripped from the left (2 seconds):
[...] > --- lspci-nnvvv.txt 2014-02-06 17:11:02.867233563 +0100 > +++ lspci-nnvvv2.txt 2014-02-06 17:11:22.603425311 +0100 > @@ -86,17 +86,17 @@ > 00:1c.1 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset > PCI Express Root Port 2 [8086:3b44] (rev 05) (prog-if 00 [Normal decode]) > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR+ FastB2B- DisINTx- > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 0, Cache Line Size: 64 bytes > Bus: primary=00, secondary=04, subordinate=04, sec-latency=0 > I/O behind bridge: 00004000-00004fff > Memory behind bridge: fd400000-fd4fffff > Prefetchable memory behind bridge: 00000000c0000000-00000000c01fffff > - Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort- <SERR- <PERR- > + Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort+ <SERR- <PERR- > BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B- > PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- > Capabilities: <access denied> > Kernel driver in use: pcieport > Kernel modules: shpchp > > 00:1c.2 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset > PCI Express Root Port 3 [8086:3b46] (rev 05) (prog-if 00 [Normal decode]) > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR+ FastB2B- DisINTx- > @@ -200,60 +200,16 @@ > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 0, Cache Line Size: 64 bytes > Interrupt: pin A routed to IRQ 16 > Region 0: Memory at fc000000 (64-bit, non-prefetchable) [size=8K] > Capabilities: <access denied> > Kernel driver in use: xhci_hcd > Kernel modules: xhci_hcd > > -04:00.0 System peripheral [0880]: JMicron Technology Corp. SD/MMC Host > Controller [197b:2382] (rev 80) > - Subsystem: CLEVO/KAPOK Computer Device [1558:7130] > - Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR+ FastB2B- DisINTx- > - Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > - Latency: 0, Cache Line Size: 64 bytes > - Interrupt: pin B routed to IRQ 18 > - Region 0: Memory at fd404000 (32-bit, non-prefetchable) [size=256] > - Capabilities: <access denied> > - Kernel driver in use: sdhci-pci > - Kernel modules: sdhci_pci > - > -04:00.2 SD Host controller [0805]: JMicron Technology Corp. Standard SD Host > Controller [197b:2381] (rev 80) (prog-if 01) > - Subsystem: CLEVO/KAPOK Computer Device [1558:7130] > - Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR+ FastB2B- DisINTx- > - Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > - Interrupt: pin B routed to IRQ 18 > - Region 0: Memory at fd405000 (32-bit, non-prefetchable) [size=256] > - Capabilities: <access denied> > - Kernel modules: sdhci_pci > - > -04:00.3 System peripheral [0880]: JMicron Technology Corp. MS Host > Controller [197b:2383] (rev 80) > - Subsystem: CLEVO/KAPOK Computer Device [1558:7130] > - Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR+ FastB2B- DisINTx- > - Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > - Latency: 0, Cache Line Size: 64 bytes > - Interrupt: pin C routed to IRQ 19 > - Region 0: Memory at fd406000 (32-bit, non-prefetchable) [size=256] > - Capabilities: <access denied> > - Kernel driver in use: jmb38x_ms > - Kernel modules: jmb38x_ms > - > -04:00.5 Ethernet controller [0200]: JMicron Technology Corp. JMC250 PCI > Express Gigabit Ethernet Controller [197b:0250] (rev 03) > - Subsystem: CLEVO/KAPOK Computer Device [1558:7130] > - Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR+ FastB2B- DisINTx+ > - Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > - Latency: 0, Cache Line Size: 64 bytes > - Interrupt: pin B routed to IRQ 50 > - Region 0: Memory at fd400000 (32-bit, non-prefetchable) [size=16K] > - Region 2: I/O ports at 4400 [size=128] > - Region 3: I/O ports at 4000 [size=256] > - Capabilities: <access denied> > - Kernel driver in use: jme > - Kernel modules: jme > - > 05:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N > 6200 [8086:422c] (rev 35) > Subsystem: Intel Corporation Centrino Advanced-N 6200 2x2 AGN > [8086:1301] > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR+ FastB2B- DisINTx+ > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 0, Cache Line Size: 64 bytes > Interrupt: pin A routed to IRQ 49 > Region 0: Memory at fd500000 (64-bit, non-prefetchable) [size=8K] > Capabilities: <access denied> > > > I forgot to mention a workaround, by triggering a rescan, the > devices become alive again. Here is a log from 3.12.7 (different > from the above): > > sudo tee /sys/devices/pci0000:00/0000:00:1c.1/rescan <<<1 > > The journal following the above command (duration of 2 seconds): OK It looks like we fail to resume the device, then, for some reason. That may be a PCIe link issue or something similar. Is this a regression for you? If so, what's the last kernel that didn't have this problem? Does 3.13.y (as released by Greg, without and distro "improvements") have it too? Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
