Public bug reported: I was upgrading my Ubuntu Xenial 16.04 from linux-hwe kernel 4.13.0-38 to linux-hwe-edge 4.15.0-13.
After reboot my Broadcom network adapter (requiring package firmware-b43-installer) is not recognized by the new kernel 4.15.0-13. Running the lspci command lists the device as 'UNCLAIMED' in linux kernel 4.15. $ lspci [...] *-pci:4 description: PCI bridge product: Intel Corporation vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: f0 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:123 memory:ef500000-ef5fffff *-network UNCLAIMED description: Network controller product: BCM4331 802.11a/b/g/n vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:05:00.0 version: 02 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress cap_list configuration: latency=0 resources: memory:ef500000-ef503fff [...] $ The lspci -vv -pci:4 commands with the relevant devices are shown below. $ lspci -vv -pci:4 [...] 05:00.0 Network controller: Broadcom Corporation BCM4331 802.11a/b/g/n (rev 02) Subsystem: Apple Inc. AirPort Extreme 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 A routed to IRQ 11 Region 0: Memory at ef500000 (64-bit, non-prefetchable) [disabled] [size=16K] Capabilities: [40] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=2 PME- Capabilities: [58] Vendor Specific Information: Len=78 <?> Capabilities: [48] MSI: Enable- Count=1/1 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Capabilities: [d0] Express (v1) Endpoint, MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1 unlimited ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset- DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd- ExtTag+ PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 512 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <4us, L1 <64us ClockPM+ Surprise- LLActRep+ BwNot- ASPMOptComp- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+ ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt- 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: 00, GenCap+ CGenEn- ChkCap+ ChkEn- Capabilities: [13c v1] Virtual Channel Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 Arb: Fixed- WRR32- WRR64- WRR128- Ctrl: ArbSelect=Fixed Status: InProgress- VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff Status: NegoPending- InProgress- Capabilities: [160 v1] Device Serial Number c6-d6-51-ff-ff-e6-f4-f9 Capabilities: [16c v1] Power Budgeting <?> Kernel modules: bcma [...] $ The circumstances of this bug is well described on this webpage: https://bbs.archlinux.org/viewtopic.php?id=234122 Furthermore a patch has been provided upstream: https://patchwork.kernel.org/patch/10185397/ https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git/commit/?id=a9e6d44ddeccd3522670e641f1ed9b068e746ff7 But is still not implemented in any Ubuntu release. If this is not corrected on time, then the new Bionic 18.04 will fail to connect to Internet and the local network as well if it uses a Broadcom network adapter requiring the package firmware-b43-installer. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: broadcom kernel linux ** Description changed: I was upgrading my Ubuntu Xenial 16.04 from linux-hwe kernel 4.13.0-38 to linux-hwe-edge 4.15.0-13. After reboot my Broadcom network adapter is not recognized by the new kernel 4.15.0-13. Running the lspci command lists the device as 'UNCLAIMED' in linux kernel 4.15. $ lspci [...] - *-pci:4 - description: PCI bridge - product: Intel Corporation - vendor: Intel Corporation - physical id: 1c - bus info: pci@0000:00:1c.0 - version: f0 - width: 32 bits - clock: 33MHz - capabilities: pci pciexpress msi pm normal_decode bus_master cap_list - configuration: driver=pcieport - resources: irq:123 memory:ef500000-ef5fffff - *-network UNCLAIMED - description: Network controller - product: BCM4331 802.11a/b/g/n - vendor: Broadcom Corporation - physical id: 0 - bus info: pci@0000:05:00.0 - version: 02 - width: 64 bits - clock: 33MHz - capabilities: pm msi pciexpress cap_list - configuration: latency=0 - resources: memory:ef500000-ef503fff + *-pci:4 + description: PCI bridge + product: Intel Corporation + vendor: Intel Corporation + physical id: 1c + bus info: pci@0000:00:1c.0 + version: f0 + width: 32 bits + clock: 33MHz + capabilities: pci pciexpress msi pm normal_decode bus_master cap_list + configuration: driver=pcieport + resources: irq:123 memory:ef500000-ef5fffff + *-network UNCLAIMED + description: Network controller + product: BCM4331 802.11a/b/g/n + vendor: Broadcom Corporation + physical id: 0 + bus info: pci@0000:05:00.0 + version: 02 + width: 64 bits + clock: 33MHz + capabilities: pm msi pciexpress cap_list + configuration: latency=0 + resources: memory:ef500000-ef503fff [...] + $ The lspci -vv -pci:4 commands with the relevant devices are shown below. $ lspci -vv -pci:4 - + [...] 05:00.0 Network controller: Broadcom Corporation BCM4331 802.11a/b/g/n (rev 02) - Subsystem: Apple Inc. AirPort Extreme - 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 A routed to IRQ 11 - Region 0: Memory at ef500000 (64-bit, non-prefetchable) [disabled] [size=16K] - Capabilities: [40] Power Management version 3 - Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) - Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=2 PME- - Capabilities: [58] Vendor Specific Information: Len=78 <?> - Capabilities: [48] MSI: Enable- Count=1/1 Maskable- 64bit+ - Address: 0000000000000000 Data: 0000 - Capabilities: [d0] Express (v1) Endpoint, MSI 00 - DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1 unlimited - ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset- - DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- - RlxdOrd- ExtTag+ PhantFunc- AuxPwr- NoSnoop- - MaxPayload 128 bytes, MaxReadReq 512 bytes - DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- - LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <4us, L1 <64us - ClockPM+ Surprise- LLActRep+ BwNot- ASPMOptComp- - LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+ - ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- - LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt- - 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: 00, GenCap+ CGenEn- ChkCap+ ChkEn- - Capabilities: [13c v1] Virtual Channel - Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 - Arb: Fixed- WRR32- WRR64- WRR128- - Ctrl: ArbSelect=Fixed - Status: InProgress- - VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- - Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- - Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff - Status: NegoPending- InProgress- - Capabilities: [160 v1] Device Serial Number c6-d6-51-ff-ff-e6-f4-f9 - Capabilities: [16c v1] Power Budgeting <?> - Kernel modules: bcma + Subsystem: Apple Inc. AirPort Extreme + 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 A routed to IRQ 11 + Region 0: Memory at ef500000 (64-bit, non-prefetchable) [disabled] [size=16K] + Capabilities: [40] Power Management version 3 + Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) + Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=2 PME- + Capabilities: [58] Vendor Specific Information: Len=78 <?> + Capabilities: [48] MSI: Enable- Count=1/1 Maskable- 64bit+ + Address: 0000000000000000 Data: 0000 + Capabilities: [d0] Express (v1) Endpoint, MSI 00 + DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1 unlimited + ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset- + DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- + RlxdOrd- ExtTag+ PhantFunc- AuxPwr- NoSnoop- + MaxPayload 128 bytes, MaxReadReq 512 bytes + DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- + LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <4us, L1 <64us + ClockPM+ Surprise- LLActRep+ BwNot- ASPMOptComp- + LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+ + ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- + LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt- + 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: 00, GenCap+ CGenEn- ChkCap+ ChkEn- + Capabilities: [13c v1] Virtual Channel + Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 + Arb: Fixed- WRR32- WRR64- WRR128- + Ctrl: ArbSelect=Fixed + Status: InProgress- + VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- + Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- + Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff + Status: NegoPending- InProgress- + Capabilities: [160 v1] Device Serial Number c6-d6-51-ff-ff-e6-f4-f9 + Capabilities: [16c v1] Power Budgeting <?> + Kernel modules: bcma [...] - $ + $ The circumstances of this bug is well described on this webpage: https://bbs.archlinux.org/viewtopic.php?id=234122 Furthermore a patch has been provided upstream: https://patchwork.kernel.org/patch/10185397/ https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git/commit/?id=a9e6d44ddeccd3522670e641f1ed9b068e746ff7 But is still not implemented in any Ubuntu release. If this is not corrected on time, then the new Bionic 18.04 will fail to connect to Internet and the local network as well if it uses a Broadcom network adapter requiring the package firmware-b43-installer. ** Description changed: I was upgrading my Ubuntu Xenial 16.04 from linux-hwe kernel 4.13.0-38 to linux-hwe-edge 4.15.0-13. - After reboot my Broadcom network adapter is not recognized by the new - kernel 4.15.0-13. + After reboot my Broadcom network adapter (requiring package + firmware-b43-installer) is not recognized by the new kernel 4.15.0-13. Running the lspci command lists the device as 'UNCLAIMED' in linux kernel 4.15. $ lspci [...] *-pci:4 description: PCI bridge product: Intel Corporation vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: f0 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:123 memory:ef500000-ef5fffff *-network UNCLAIMED description: Network controller product: BCM4331 802.11a/b/g/n vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:05:00.0 version: 02 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress cap_list configuration: latency=0 resources: memory:ef500000-ef503fff [...] - $ + $ The lspci -vv -pci:4 commands with the relevant devices are shown below. $ lspci -vv -pci:4 [...] 05:00.0 Network controller: Broadcom Corporation BCM4331 802.11a/b/g/n (rev 02) Subsystem: Apple Inc. AirPort Extreme 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 A routed to IRQ 11 Region 0: Memory at ef500000 (64-bit, non-prefetchable) [disabled] [size=16K] Capabilities: [40] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=2 PME- Capabilities: [58] Vendor Specific Information: Len=78 <?> Capabilities: [48] MSI: Enable- Count=1/1 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Capabilities: [d0] Express (v1) Endpoint, MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1 unlimited ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset- DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd- ExtTag+ PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 512 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <4us, L1 <64us ClockPM+ Surprise- LLActRep+ BwNot- ASPMOptComp- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+ ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt- 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: 00, GenCap+ CGenEn- ChkCap+ ChkEn- Capabilities: [13c v1] Virtual Channel Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 Arb: Fixed- WRR32- WRR64- WRR128- Ctrl: ArbSelect=Fixed Status: InProgress- VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff Status: NegoPending- InProgress- Capabilities: [160 v1] Device Serial Number c6-d6-51-ff-ff-e6-f4-f9 Capabilities: [16c v1] Power Budgeting <?> Kernel modules: bcma [...] $ The circumstances of this bug is well described on this webpage: https://bbs.archlinux.org/viewtopic.php?id=234122 Furthermore a patch has been provided upstream: https://patchwork.kernel.org/patch/10185397/ https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git/commit/?id=a9e6d44ddeccd3522670e641f1ed9b068e746ff7 But is still not implemented in any Ubuntu release. If this is not corrected on time, then the new Bionic 18.04 will fail to connect to Internet and the local network as well if it uses a Broadcom network adapter requiring the package firmware-b43-installer. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1760108 Title: Broadcom B43 Wireless Driver Not Functional after Update to Linux Kernel 4.15 Status in linux package in Ubuntu: New Bug description: I was upgrading my Ubuntu Xenial 16.04 from linux-hwe kernel 4.13.0-38 to linux-hwe-edge 4.15.0-13. After reboot my Broadcom network adapter (requiring package firmware-b43-installer) is not recognized by the new kernel 4.15.0-13. Running the lspci command lists the device as 'UNCLAIMED' in linux kernel 4.15. $ lspci [...] *-pci:4 description: PCI bridge product: Intel Corporation vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: f0 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:123 memory:ef500000-ef5fffff *-network UNCLAIMED description: Network controller product: BCM4331 802.11a/b/g/n vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:05:00.0 version: 02 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress cap_list configuration: latency=0 resources: memory:ef500000-ef503fff [...] $ The lspci -vv -pci:4 commands with the relevant devices are shown below. $ lspci -vv -pci:4 [...] 05:00.0 Network controller: Broadcom Corporation BCM4331 802.11a/b/g/n (rev 02) Subsystem: Apple Inc. AirPort Extreme 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 A routed to IRQ 11 Region 0: Memory at ef500000 (64-bit, non-prefetchable) [disabled] [size=16K] Capabilities: [40] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=2 PME- Capabilities: [58] Vendor Specific Information: Len=78 <?> Capabilities: [48] MSI: Enable- Count=1/1 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Capabilities: [d0] Express (v1) Endpoint, MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1 unlimited ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset- DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd- ExtTag+ PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 512 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <4us, L1 <64us ClockPM+ Surprise- LLActRep+ BwNot- ASPMOptComp- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+ ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt- 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: 00, GenCap+ CGenEn- ChkCap+ ChkEn- Capabilities: [13c v1] Virtual Channel Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 Arb: Fixed- WRR32- WRR64- WRR128- Ctrl: ArbSelect=Fixed Status: InProgress- VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff Status: NegoPending- InProgress- Capabilities: [160 v1] Device Serial Number c6-d6-51-ff-ff-e6-f4-f9 Capabilities: [16c v1] Power Budgeting <?> Kernel modules: bcma [...] $ The circumstances of this bug is well described on this webpage: https://bbs.archlinux.org/viewtopic.php?id=234122 Furthermore a patch has been provided upstream: https://patchwork.kernel.org/patch/10185397/ https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git/commit/?id=a9e6d44ddeccd3522670e641f1ed9b068e746ff7 But is still not implemented in any Ubuntu release. If this is not corrected on time, then the new Bionic 18.04 will fail to connect to Internet and the local network as well if it uses a Broadcom network adapter requiring the package firmware-b43-installer. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1760108/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
