EFI update issue, WiFi not waking up after sleep

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i did update day ago on 2011 mbp 15. boot rom version: mbp81.0047.b0e

since update when wake computer sleep, wifi not reconnect. before update on instantly.

workaround go through network diagnostics , reports fine wifi connection works sometimes, other times won't fix either (seems need few minutes trick work). full reboot fixes it.

i've looked @ system log, nothing unusual there

here dump kernel log:

sep 17 07:27:51 macbook-pro kernel[0]: en1: 802.11d country code set 'x0'.
sep 17 07:27:51 macbook-pro kernel[0]: en1: supported channels 1 2 3 4 5 6 7 8 9 10 11 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 149 153 157 161 165
sep 17 07:27:53 macbook-pro kernel[0]: sound assertion "0 == faudioenginearray" failed in applehdadriver @ line 3161 goto exit
sep 17 07:27:54 macbook-pro kernel[0]: en1: 802.11d country code set 'us'.
sep 17 07:27:54 macbook-pro kernel[0]: en1: supported channels 1 2 3 4 5 6 7 8 9 10 11 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 149 153 157 161 165
sep 17 07:27:54 macbook-pro kernel[0]: macauthevent en1 auth result for: 10:9a:dd:84:6f:3a mac auth succeeded
sep 17 07:27:54 macbook-pro kernel[0]: wlevent: en1 en1 link up
sep 17 07:27:54 macbook-pro kernel[0]: airport: link on en1
sep 17 07:27:54 macbook-pro kernel[0]: en1: bssid changed 10:9a:dd:84:6f:3a
sep 17 07:27:54 macbook-pro kernel[0]: airport: rsn handshake complete on en1
sep 17 07:27:57 macbook-pro kernel[0]: utun_ctl_connect: creating interface utun0
sep 17 07:27:57 macbook-pro kernel[0]: utun0: attached 0 suspended link-layer multicast membership(s)
sep 17 07:29:32 macbook-pro kernel[0]: en1: bssid changed 10:9a:dd:84:6f:3a
sep 17 07:29:44 macbook-pro kernel[0]: wlevent: en1 en1 link down
sep 17 07:29:44 macbook-pro kernel[0]: airport: link down on en1. reason 8 (disassociated because station leaving).
sep 17 07:29:44 macbook-pro kernel[0]: macauthevent en1 auth result for: 10:9a:dd:84:6f:3a mac auth succeeded
sep 17 07:29:44 macbook-pro kernel[0]: wlevent: en1 en1 link up
sep 17 07:29:44 macbook-pro kernel[0]: airport: link on en1
sep 17 07:29:44 macbook-pro kernel[0]: en1: bssid changed 10:9a:dd:84:6f:3a

 

figured out. firmware update didn't apply correctly. reapplied , fine.
 


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