apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/985621/+attachment/3093622/+files/WifiSyslog.txt
** Description changed:
From time to time the output/input device list is emptied and sound
stops (screenshot attached). Sound devices seem to be detected by these
command, even if they are not listed in the UI.
aplay -l
List of PLAYBACK Hardware Devices
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
and from sudo lspci -v
00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)
Subsystem: Lenovo Device 2193
Flags: bus master, fast devsel, latency 0
Capabilities: [e0] Vendor Specific Information: Len=0c
Kernel driver in use: agpgart-intel
00:02.0 VGA compatible controller: Intel Corporation Core Processor
Integrated Graphics Controller (rev 02) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 215a
Flags: bus master, fast devsel, latency 0, IRQ 42
Memory at f200 (64-bit, non-prefetchable) [size=4M]
Memory at d000 (64-bit, prefetchable) [size=256M]
I/O ports at 1800 [size=8]
Expansion ROM at [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 2
Capabilities: [a4] PCI Advanced Features
Kernel driver in use: i915
Kernel modules: i915
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series
Chipset HECI Controller (rev 06)
Subsystem: Lenovo Device 215f
Flags: bus master, fast devsel, latency 0, IRQ 41
Memory at f2727800 (64-bit, non-prefetchable) [size=16]
Capabilities: [50] Power Management version 3
Capabilities: [8c] MSI: Enable+ Count=1/1 Maskable- 64bit+
Kernel driver in use: mei
Kernel modules: mei
00:16.3 Serial controller: Intel Corporation 5 Series/3400 Series Chipset KT
Controller (rev 06) (prog-if 02 [16550])
Subsystem: Lenovo Device 2162
Flags: 66MHz, fast devsel, IRQ 17
I/O ports at 1808 [size=8]
Memory at f2524000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
Kernel driver in use: serial
00:19.0 Ethernet controller: Intel Corporation 82577LM Gigabit Network
Connection (rev 06)
Subsystem: Lenovo Device 2153
Flags: bus master, fast devsel, latency 0, IRQ 43
Memory at f250 (32-bit, non-prefetchable) [size=128K]
Memory at f2525000 (32-bit, non-prefetchable) [size=4K]
I/O ports at 1820 [size=32]
Capabilities: [c8] Power Management version 2
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [e0] PCI Advanced Features
Kernel driver in use: e1000e
Kernel modules: e1000e
00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2
Enhanced Host Controller (rev 06) (prog-if 20 [EHCI])
Subsystem: Lenovo Device 2163
Flags: bus master, medium devsel, latency 0, IRQ 23
Memory at f2728000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Debug port: BAR=1 offset=00a0
Capabilities: [98] PCI Advanced Features
Kernel driver in use: ehci_hcd
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High
Definition Audio (rev 06)
Subsystem: Lenovo Device 215e
Flags: bus master, fast devsel, latency 0, IRQ 45
Memory at f252 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [130] Root Complex Link
Kernel driver in use: snd_hda_intel
Kernel modules: snd-hda-intel
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI
Express Root Port 1 (rev 06) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=0d, subordinate=0d, sec-latency=0
Capabilities: [40] Express Root Port (Slot+), MSI 00
Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
Capabilities: [90] Subsystem: Lenovo Device 2164
Capabilities: [a0] Power Management version 2
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.3 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI
Express Root Port 4 (rev 06) (prog-if 00 [Normal decode])
Flags: bus mas
