On Jul 14, 2013, at 8:26 PM, Sami Kerola <kerolasa@xxxxxx> wrote:
> Hello,
>
> I build from Linus's tree from point
>
> commit 9903883f1dd6e86f286b7bfa6e4b423f98c1cd9e
>
> a kernel which has a power management suspend/resume problem. In short I
> do not get video back at resume, and my laptop becomes completely
> unresponsive. I have hunch the NO_HZ has something to do with issue.
You will have to bisect and found the commit that introduce the bug
as commit 9903883f1dd6e86
Merge tag 'dm-3.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm
Pull device-mapper changes from Alasdair G Kergon:
"Add a device-mapper target called dm-switch to provide a multipath
framework for storage arrays that dynamically reconfigure their
preferred paths for different device regions.
Fix a bug in the verity target that prevented its use with some
specific sizes of devices.
Improve some locking mechanisms in the device-mapper core and bufio.
Add Mike Snitzer as a device-mapper maintainer.
A few more clean-ups and fixes"
is a merge about device-mapper not fbdev and even Radeon drivers
Best Regards,
J.
>
> # zgrep ^CONFIG_NO_HZ /proc/config.gz
> CONFIG_NO_HZ_COMMON=y
> CONFIG_NO_HZ_FULL=y
> CONFIG_NO_HZ=y
>
> The NO_HZ combined with this piece of hardware results seems to be the
> issue.
>
> 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc.
> [AMD/ATI] Wrestler [Radeon HD 7310] (prog-if 00 [VGA controller])
> Subsystem: Toshiba America Info Systems Device fb33
> 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 e0000000 (32-bit, prefetchable) [size=256M]
> Region 1: I/O ports at 5000 [size=256]
> Region 2: Memory at f0400000 (32-bit, non-prefetchable) [size=256K]
> Expansion ROM at <unassigned> [disabled]
> Capabilities: [50] 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=0 PME-
> Capabilities: [58] Express (v2) Root Complex Integrated Endpoint, MSI 00
> DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s
> <4us, L1 unlimited
> ExtTag+ RBE+ FLReset-
> DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
> Unsupported-
> RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
> MaxPayload 128 bytes, MaxReadReq 128 bytes
> DevSta: CorrErr- UncorrErr+ FatalErr- UnsuppReq+
> AuxPwr- TransPend-
> LnkCap: Port #0, Speed unknown, Width x0, ASPM
> unknown, Latency L0 <64ns, L1 <1us
> ClockPM- Surprise- LLActRep- BwNot-
> LnkCtl: ASPM Disabled; Disabled- Retrain- CommClk-
> ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
> LnkSta: Speed unknown, Width x0, 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-,
> LinkEqualizationRequest-
> Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
> Address: 00000000fee0300c Data: 4152
> Capabilities: [100 v1] Vendor Specific Information: ID=0001
> Rev=1 Len=010 <?>
> Kernel driver in use: radeon
> Kernel modules: radeon
>
>
> Here are some message from journalctl from the time suspend begun, and
> resume failed. To me the two lines with '*ERROR* radeon' does not look
> right. The messages are result of 'echo devices > /sys/power/pm_test'.
>
>
> Jul 14 12:51:12 kerolasa-home kernel: PM: Hibernation mode set to 'platform'
> Jul 14 12:51:12 kerolasa-home kernel: kobject: 'vcs63'
> (ffff8800d2c09010): kobject_add_internal: parent: 'vc', set: 'devices'
> Jul 14 12:51:12 kerolasa-home kernel: kobject: 'vcs63'
> (ffff8800d2c09010): kobject_uevent_env
> Jul 14 12:51:12 kerolasa-home kernel: kobject: 'vcs63'
> (ffff8800d2c09010): fill_kobj_path: path = '/devices/virtual/vc/vcs63'
> Jul 14 12:51:12 kerolasa-home kernel: kobject: 'vcsa63'
> (ffff8800d2c08010): kobject_add_internal: parent: 'vc', set: 'devices'
> Jul 14 12:51:12 kerolasa-home kernel: kobject: 'vcsa63'
> (ffff8800d2c08010): kobject_uevent_env
> Jul 14 12:51:12 kerolasa-home kernel: kobject: 'vcsa63'
> (ffff8800d2c08010): fill_kobj_path: path =
> '/devices/virtual/vc/vcsa63'
> Jul 14 12:51:12 kerolasa-home kernel: PM: Marking nosave pages: [mem
> 0x0009f000-0x000fffff]
> Jul 14 12:51:12 kerolasa-home kernel: PM: Marking nosave pages: [mem
> 0xdf6bf000-0xdfbfefff]
> Jul 14 12:51:12 kerolasa-home kernel: PM: Marking nosave pages: [mem
> 0xdfc00000-0xffffffff]
> Jul 14 12:51:12 kerolasa-home kernel: PM: Basic memory bitmaps created
> Jul 14 12:51:31 kerolasa-home kernel: PM: Syncing filesystems ... done.
> Jul 14 12:51:31 kerolasa-home dhcpcd[451]: wlan0: carrier lost
> Jul 14 12:51:31 kerolasa-home dhcpcd[451]: wlan0: deleting host route
> to 192.168.1.2 via 127.0.0.1
> Jul 14 12:51:31 kerolasa-home dhcpcd[451]: wlan0: deleting route to
> 192.168.1.0/24
> Jul 14 12:51:31 kerolasa-home dhcpcd[451]: wlan0: deleting default
> route via 192.168.1.1
> Jul 14 12:51:31 kerolasa-home kernel: Freezing user space processes
> ... (elapsed 0.001 seconds) done.
> Jul 14 12:51:31 kerolasa-home kernel: PM: Preallocating image
> memory... done (allocated 187558 pages)
> Jul 14 12:51:31 kerolasa-home kernel: PM: Allocated 750232 kbytes in
> 0.32 seconds (2344.47 MB/s)
> Jul 14 12:51:31 kerolasa-home kernel: Freezing remaining freezable
> tasks ... (elapsed 0.001 seconds) done.
> Jul 14 12:51:31 kerolasa-home kernel: Suspending console(s) (use
> no_console_suspend to debug)
> Jul 14 12:51:31 kerolasa-home kernel: wlan0: deauthenticating from
> 20:f3:a3:39:74:56 by local choice (reason=3)
> Jul 14 12:51:31 kerolasa-home kernel: cfg80211: Calling CRDA to update
> world regulatory domain
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'regulatory.0'
> (ffff8800d98bc820): kobject_uevent_env
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'regulatory.0'
> (ffff8800d98bc820): fill_kobj_path: path =
> '/devices/platform/regulatory.0'
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '50'
> (ffff8800d8c97888): kobject_cleanup
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '50'
> (ffff8800d8c97888): calling ktype release
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '50': free name
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d8c974d8): kobject_cleanup
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d8c974d8): auto cleanup kobject_del
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d8c974d8): calling ktype release
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d8c974d8): kset_release
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs': free name
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '49'
> (ffff8800d8c97ac8): kobject_cleanup
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '49'
> (ffff8800d8c97ac8): calling ktype release
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '49': free name
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d8c97b98): kobject_cleanup
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d8c97b98): auto cleanup kobject_del
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d8c97b98): calling ktype release
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d8c97b98): kset_release
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs': free name
> Jul 14 12:51:31 kerolasa-home kernel: radeon 0000:00:01.0: fence
> driver on ring 5 use gpu addr 0x0000000000177118 and cpu addr
> 0xffffc90004ab2118
> Jul 14 12:51:31 kerolasa-home kernel: PM: freeze of devices complete
> after 631.979 msecs
> Jul 14 12:51:31 kerolasa-home kernel: hibernation debug: Waiting for 5 seconds.
> Jul 14 12:51:31 kerolasa-home kernel: usb usb1: root hub lost power or was reset
> Jul 14 12:51:31 kerolasa-home kernel: usb usb2: root hub lost power or was reset
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '43'
> (ffff880106a39dc8): kobject_cleanup
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '43'
> (ffff880106a39dc8): calling ktype release
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '43': free name
> Jul 14 12:51:31 kerolasa-home kernel: usb usb4: root hub lost power or was reset
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '44'
> (ffff880106a39d08): kobject_cleanup
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '44'
> (ffff880106a39d08): calling ktype release
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '44': free name
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '45'
> (ffff880106a39c48): kobject_cleanup
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '45'
> (ffff880106a39c48): calling ktype release
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '45': free name
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff880106a39b98): kobject_cleanup
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff880106a39b98): auto cleanup kobject_del
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff880106a39b98): calling ktype release
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff880106a39b98): kset_release
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs': free name
> Jul 14 12:51:31 kerolasa-home kernel: usb usb5: root hub lost power or was reset
> Jul 14 12:51:31 kerolasa-home kernel: xhci_hcd 0000:00:10.0: irq 43
> for MSI/MSI-X
> Jul 14 12:51:31 kerolasa-home kernel: xhci_hcd 0000:00:10.0: irq 44
> for MSI/MSI-X
> Jul 14 12:51:31 kerolasa-home kernel: rtlwifi: wireless switch is on
> Jul 14 12:51:31 kerolasa-home kernel: xhci_hcd 0000:00:10.0: irq 45
> for MSI/MSI-X
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d9012118): kobject_add_internal: parent: '0000:00:10.0', set:
> '<NULL>'
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d9012118): kobject_uevent_env
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d9012118): kobject_uevent_env: filter function caused the
> event to drop!
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '43'
> (ffff8800d90121c8): kobject_add_internal: parent: 'msi_irqs', set:
> 'msi_irqs'
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '44'
> (ffff8800d9012e88): kobject_add_internal: parent: 'msi_irqs', set:
> 'msi_irqs'
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '45'
> (ffff8800d9012c48): kobject_add_internal: parent: 'msi_irqs', set:
> 'msi_irqs'
> Jul 14 12:51:31 kerolasa-home kernel: [drm] PCIE GART of 512M enabled
> (table at 0x0000000000145000).
> Jul 14 12:51:31 kerolasa-home kernel: radeon 0000:00:01.0: WB enabled
> Jul 14 12:51:31 kerolasa-home kernel: radeon 0000:00:01.0: fence
> driver on ring 0 use gpu addr 0x0000000018000c00 and cpu addr
> 0xffff8800d98a2c00
> Jul 14 12:51:31 kerolasa-home kernel: radeon 0000:00:01.0: fence
> driver on ring 3 use gpu addr 0x0000000018000c0c and cpu addr
> 0xffff8800d98a2c0c
> Jul 14 12:51:31 kerolasa-home kernel: snd_hda_intel 0000:00:14.2: irq
> 49 for MSI/MSI-X
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d92b5718): kobject_add_internal: parent: '0000:00:14.2', set:
> '<NULL>'
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d92b5718): kobject_uevent_env
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff8800d92b5718): kobject_uevent_env: filter function caused the
> event to drop!
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '49'
> (ffff8800d92b5648): kobject_add_internal: parent: 'msi_irqs', set:
> 'msi_irqs'
> Jul 14 12:51:31 kerolasa-home kernel: radeon 0000:00:01.0: fence
> driver on ring 5 use gpu addr 0x00000000007ca118 and cpu addr
> 0xffffc90005432118
> Jul 14 12:51:31 kerolasa-home kernel: snd_hda_intel 0000:00:01.1: irq
> 50 for MSI/MSI-X
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff880106a39658): kobject_add_internal: parent: '0000:00:01.1', set:
> '<NULL>'
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff880106a39658): kobject_uevent_env
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'msi_irqs'
> (ffff880106a39658): kobject_uevent_env: filter function caused the
> event to drop!
> Jul 14 12:51:31 kerolasa-home kernel: kobject: '50'
> (ffff8800d9012a08): kobject_add_internal: parent: 'msi_irqs', set:
> 'msi_irqs'
> Jul 14 12:51:31 kerolasa-home kernel: [drm] ring test on 0 succeeded in 1 usecs
> Jul 14 12:51:31 kerolasa-home kernel: [drm] ring test on 3 succeeded in 1 usecs
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'radeon_bl0'
> (ffff8800da197198): kobject_uevent_env
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'radeon_bl0'
> (ffff8800da197198): fill_kobj_path: path =
> '/devices/pci0000:00/0000:00:01.0/drm/card0/card0-LVDS-1/radeon_bl0'
> Jul 14 12:51:31 kerolasa-home kernel: ACPI: \_SB_.PCI0:
> ACPI_NOTIFY_BUS_CHECK event: unsupported
> Jul 14 12:51:31 kerolasa-home kernel: ACPI: \_SB_.PCI0: Bus check
> notify on _handle_hotplug_event_root
> Jul 14 12:51:31 kerolasa-home kernel: [drm] ring test on 5 succeeded in 1 usecs
> Jul 14 12:51:31 kerolasa-home kernel: [drm] UVD initialized successfully.
> Jul 14 12:51:31 kerolasa-home kernel: [drm] ib test on ring 0
> succeeded in 0 usecs
> Jul 14 12:51:31 kerolasa-home kernel: [drm] ib test on ring 3
> succeeded in 1 usecs
> Jul 14 12:51:31 kerolasa-home kernel: usb 5-4: reset high-speed USB
> device number 3 using ehci-pci
> Jul 14 12:51:31 kerolasa-home kernel: ata1: SATA link up 3.0 Gbps
> (SStatus 123 SControl 300)
> Jul 14 12:51:31 kerolasa-home kernel: ata2: SATA link up 1.5 Gbps
> (SStatus 113 SControl 300)
> Jul 14 12:51:31 kerolasa-home kernel: ata2.00: configured for UDMA/100
> Jul 14 12:51:31 kerolasa-home kernel: ata1.00: configured for UDMA/100
> Jul 14 12:51:31 kerolasa-home kernel: sd 0:0:0:0: [sda] Starting disk
> Jul 14 12:51:31 kerolasa-home kernel: radeon 0000:00:01.0: GPU lockup
> CP stall for more than 10000msec
> Jul 14 12:51:31 kerolasa-home kernel: radeon 0000:00:01.0: GPU lockup
> (waiting for 0x0000000000000004 last fence id 0x0000000000000002)
> Jul 14 12:51:31 kerolasa-home kernel: [drm:r600_uvd_ib_test] *ERROR*
> radeon: fence wait failed (-35).
> Jul 14 12:51:31 kerolasa-home kernel: [drm:radeon_ib_ring_tests]
> *ERROR* radeon: failed testing IB on ring 5 (-35).
> Jul 14 12:51:31 kerolasa-home kernel: PM: restore of devices complete
> after 11949.096 msecs
> Jul 14 12:51:31 kerolasa-home kernel: PM: Image restored successfully.
> Jul 14 12:51:31 kerolasa-home kernel: Restarting tasks ... done.
> Jul 14 12:51:31 kerolasa-home kernel: PM: Basic memory bitmaps freed
> Jul 14 12:51:31 kerolasa-home kernel: video LNXVIDEO:00: Restoring
> backlight state
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'radeon_bl0'
> (ffff8800da197198): kobject_uevent_env
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'radeon_bl0'
> (ffff8800da197198): fill_kobj_path: path =
> '/devices/pci0000:00/0000:00:01.0/drm/card0/card0-LVDS-1/radeon_bl0'
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'BAT0'
> (ffff8800db3b6010): kobject_uevent_env
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'BAT0'
> (ffff8800db3b6010): fill_kobj_path: path =
> '/devices/LNXSYSTM:00/device:00/PNP0A08:00/PNP0C0A:00/power_supply/BAT0'
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'power_supply'
> (ffff880106aba8a0): kobject_cleanup
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'power_supply'
> (ffff880106aba8a0): auto cleanup kobject_del
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'power_supply'
> (ffff880106aba8a0): calling ktype release
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'power_supply': free name
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'BAT0'
> (ffff8800db3b6010): kobject_cleanup
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'BAT0'
> (ffff8800db3b6010): calling ktype release
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'BAT0': free name
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'power_supply'
> (ffff8800d924d180): kobject_add_internal: parent: 'PNP0C0A:00', set:
> '(null)'
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'BAT0'
> (ffff8800d2c0e010): kobject_add_internal: parent: 'power_supply', set:
> 'devices'
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'BAT0'
> (ffff8800d2c0e010): kobject_uevent_env
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'BAT0'
> (ffff8800d2c0e010): fill_kobj_path: path =
> '/devices/LNXSYSTM:00/device:00/PNP0A08:00/PNP0C0A:00/power_supply/BAT0'
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'BAT0'
> (ffff8800d2c0e010): kobject_uevent_env
> Jul 14 12:51:31 kerolasa-home kernel: kobject: 'BAT0'
> (ffff8800d2c0e010): fill_kobj_path: path =
> '/devices/LNXSYSTM:00/device:00/PNP0A08:00/PNP0C0A:00/power_supply/BAT0'
> Jul 14 12:51:31 kerolasa-home kernel: PM: Hibernation mode set to 'platform'
> Jul 14 12:51:31 kerolasa-home kernel: PM: Marking nosave pages: [mem
> 0x0009f000-0x000fffff]
> Jul 14 12:51:31 kerolasa-home kernel: PM: Marking nosave pages: [mem
> 0xdf6bf000-0xdfbfefff]
> Jul 14 12:51:31 kerolasa-home kernel: PM: Marking nosave pages: [mem
> 0xdfc00000-0xffffffff]
> Jul 14 12:51:31 kerolasa-home kernel: PM: Basic memory bitmaps created
> Jul 14 12:51:32 kerolasa-home kernel: wlan0: authenticate with 20:f3:a3:39:74:56
> Jul 14 12:51:32 kerolasa-home kernel: wlan0: send auth to
> 20:f3:a3:39:74:56 (try 1/3)
> Jul 14 12:51:32 kerolasa-home kernel: wlan0: authenticated
> Jul 14 12:51:32 kerolasa-home kernel: wlan0: associate with
> 20:f3:a3:39:74:56 (try 1/3)
> Jul 14 12:51:32 kerolasa-home kernel: wlan0: RX AssocResp from
> 20:f3:a3:39:74:56 (capab=0x411 status=0 aid=1)
> Jul 14 12:51:32 kerolasa-home kernel: wlan0: associated
> Jul 14 12:51:32 kerolasa-home dhcpcd[451]: wlan0: carrier acquired
>
> Let me know if more debug information or output is needed.
>
> --
> Sami Kerola
> http://www.iki.fi/kerolasa/
> --
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