** Also affects: linux (Ubuntu Disco)
   Importance: Undecided
       Status: Confirmed

** Changed in: linux (Ubuntu Disco)
       Status: Confirmed => Fix Committed

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  sky2 ethernet card link not up after suspend

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Disco:
  Fix Committed

Bug description:
  Issue is as described by the user 'kris' in #1798921

  Sometimes when bringing my laptop up from suspended state my Ethernet
  card shows link connection and activity via port LEDs but ethtool
  indicates the link is not up. This does not happen every time I resume
  from suspend, about one in 5 times. When it does happen, the following
  additional message is present in my dmesg output:

  [  686.804877] do_IRQ: 1.37 No irq handler for vector

  The lspci -vvnn output for the Ethernet card is:

  02:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8057 
PCI-E Gigabit Ethernet Controller [11ab:4380] (rev 10)
        Subsystem: Acer Incorporated [ALI] 88E8057 PCI-E Gigabit Ethernet 
Controller [1025:028e]
        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 27
        Region 0: Memory at f3000000 (64-bit, non-prefetchable) [size=16K]
        Region 2: I/O ports at 3000 [size=256]
        [virtual] Expansion ROM at f3020000 [disabled] [size=128K]
        Capabilities: [48] Power Management version 3
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA 
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME-
        Capabilities: [50] Vital Product Data
                Product Name: Marvell Yukon 88E8057 Gigabit Ethernet Controller
                Read-only fields:
                        [PN] Part number: Yukon 88E8057
                        [EC] Engineering changes: Rev. 1.1
                        [MN] Manufacture ID: 4d 61 72 76 65 6c 6c
                        [SN] Serial number: AbCdEfG5B3D09
                        [CP] Extended capability: 01 10 cc 03
                        [RV] Reserved: checksum good, 9 byte(s) reserved
                Read/write fields:
                        [RW] Read-write area: 121 byte(s) free
        Capabilities: [5c] MSI: Enable+ Count=1/1 Maskable- 64bit+
                Address: 00000000fee02004  Data: 4025
        Capabilities: [c0] Express (v2) Legacy Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s 
unlimited, L1 unlimited
                        ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal- 
                        RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
                        MaxPayload 128 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+ 
                LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit 
Latency L0s <1us, L1 <32us
                        ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp-
                LnkCtl: ASPM L1 Enabled; RCB 128 bytes Disabled- CommClk+
                        ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ 
DLActive- BWMgmt- ABWMgmt-
                DevCap2: Completion Timeout: Not Supported, TimeoutDis+, LTR-, 
OBFF Not Supported
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, 
OBFF Disabled
                LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis-
                         Transmit Margin: Normal Operating Range, 
EnterModifiedCompliance- ComplianceSOS-
                         Compliance De-emphasis: -6dB
                LnkSta2: Current De-emphasis Level: -6dB, 
EqualizationComplete-, EqualizationPhase1-
                         EqualizationPhase2-, EqualizationPhase3-, 
        Capabilities: [100 v1] Advanced Error Reporting
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
                CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
                AERCap: First Error Pointer: 1f, GenCap- CGenEn- ChkCap- ChkEn-
        Capabilities: [130 v1] Device Serial Number 09-3d-5b-ff-ff-2d-26-00
        Kernel driver in use: sky2
        Kernel modules: sky2

  The kernel I am running is 4.15.0-42-generic #45 (slightly modified
  such that CONFIG_X86_ACPI_CPUFREQ is compiled as a module). Using
  Ubuntu 18.04.

  I am creating this bug report as a result of the comment: 
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1798921/comments/34, in 
the hopes that this specific card will be added to the relevant MSI quirks 
table. If I do not suffer from the same issue as kris in the above linked 
issue, I will be happy to provide any additional information, test fixes etc. I 
would like to avoid using the 'pci=nomsi,noaer' workaround he mentioned if 
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
   /dev/snd/pcmC0D0c:   maridius   2260 F...m pulseaudio
   /dev/snd/controlC0:  maridius   2260 F.... pulseaudio
  CurrentDesktop: Unity:Unity7:ubuntu
  DistroRelease: Ubuntu 18.04
  HibernationDevice: RESUME=UUID=0840edd3-6052-4916-bcc2-4c5b13edb862
  InstallationDate: Installed on 2015-09-01 (1212 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Gateway P-79
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-42-generic 
root=UUID=ad05ff21-9786-4f03-8641-85f2f416363d ro quiet splash vt.handoff=1
  ProcVersionSignature: Ubuntu 4.15.0-42.45+PHC-generic 4.15.18
   linux-restricted-modules-4.15.0-42-generic N/A
   linux-backports-modules-4.15.0-42-generic  N/A
   linux-firmware                             1.173.2
  Tags:  bionic
  Uname: Linux 4.15.0-42-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxusers
  _MarkForUpload: True
  dmi.bios.date: 09/30/2009
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: 79.07.00
  dmi.board.name: Godzilla-N10
  dmi.board.vendor: Gateway
  dmi.board.version: Rev
  dmi.chassis.type: 10
  dmi.chassis.vendor: Gateway
  dmi.chassis.version: N/A
  dmi.product.name: P-79
  dmi.product.version: 0100
  dmi.sys.vendor: Gateway

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