[   27.490149] wlan0: send auth to 18:9c:5d:6c:91:d0 (try 1/3)
[   27.491434] wlan0: authenticated
[   27.494046] wlan0: associate with 18:9c:5d:6c:91:d0 (try 1/3)
[   27.496009] wlan0: RX AssocResp from 18:9c:5d:6c:91:d0 (capab=0x431 status=0 aid=7)
[   27.496159] wlan0: associated
[   27.496193] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   27.496260] cfg80211: Calling CRDA for country: TW
[   27.500177] cfg80211: Regulatory domain changed to country: TW
[   27.500182] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[   27.500184] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm)
[   27.500186] cfg80211:   (5270000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 1700 mBm)
[   27.500188] cfg80211:   (5735000 KHz - 5815000 KHz @ 40000 KHz), (300 mBi, 3000 mBm)
[   28.889344] pciehp 0000:00:02.0:pcie04: Card present on Slot(0)
[   29.943634] [drm] probing gen 2 caps for device 1022:1412 = 700d01/6
[   29.943641] [drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0
[   30.280099] [drm] PCIE GART of 1024M enabled (table at 0x0000000000478000).
[   30.280242] radeon 0000:01:00.0: WB enabled
[   30.280246] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000080000c00 and cpu addr 0xffff880242bc8c00
[   30.280249] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr 0x0000000080000c04 and cpu addr 0xffff880242bc8c04
[   30.280251] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr 0x0000000080000c08 and cpu addr 0xffff880242bc8c08
[   30.280254] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000080000c0c and cpu addr 0xffff880242bc8c0c
[   30.280256] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr 0x0000000080000c10 and cpu addr 0xffff880242bc8c10
[   30.281789] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0xffffc90013935a18
[   30.477062] [drm] ring test on 0 succeeded in 1 usecs
[   30.477070] [drm] ring test on 1 succeeded in 1 usecs
[   30.477076] [drm] ring test on 2 succeeded in 1 usecs
[   30.477140] [drm] ring test on 3 succeeded in 2 usecs
[   30.477149] [drm] ring test on 4 succeeded in 1 usecs
[   30.663752] [drm] ring test on 5 succeeded in 2 usecs
[   30.663760] [drm] UVD initialized successfully.
[   30.664888] [drm] Enabling audio 0 support
[   30.664890] [drm] Enabling audio 1 support
[   30.664892] [drm] Enabling audio 2 support
[   30.664893] [drm] Enabling audio 3 support
[   30.664894] [drm] Enabling audio 4 support
[   30.664896] [drm] Enabling audio 5 support
[   30.664931] [drm] ib test on ring 0 succeeded in 0 usecs
[   30.664961] [drm] ib test on ring 1 succeeded in 0 usecs
[   30.664989] [drm] ib test on ring 2 succeeded in 0 usecs
[   30.665019] [drm] ib test on ring 3 succeeded in 0 usecs
[   30.665047] [drm] ib test on ring 4 succeeded in 0 usecs
[   30.816281] [drm] ib test on ring 5 succeeded
[   33.867856] vgaarb: device changed decodes: PCI:0000:01:00.0,olddecodes=io+mem,decodes=none:owns=none
[   33.867862] vgaarb: device changed decodes: PCI:0000:00:01.0,olddecodes=io+mem,decodes=none:owns=none
[   36.389603] init: plymouth-upstart-bridge main process ended, respawning
[   36.404583] init: plymouth-upstart-bridge main process ended, respawning
[   42.925257] [drm] Disabling audio 0 support
[   42.925263] [drm] Disabling audio 1 support
[   42.925265] [drm] Disabling audio 2 support
[   42.925266] [drm] Disabling audio 3 support
[   42.925268] [drm] Disabling audio 4 support
[   42.925269] [drm] Disabling audio 5 support
[   43.806790] pciehp 0000:00:02.0:pcie04: Card not present on Slot(0)