We suffered a nasty power glitch last night, and now one of the iMacs is having troubles doing Wi-fi. Seems like the /usr/libexec/airportd file may have gotten corrupted and now has an incorrect CRC or something. Here's what's in the system log:
2/11/17 11:39:09.000 AM kernel[0]: 2434.634332: createP2PInterface: ERROR: P2P device interface exists 2/11/17 11:39:09.000 AM kernel[0]: 2434.634336: setVIRTUAL_IF_CREATE: createP2PInterface call FAILED 2/11/17 11:39:09.997 AM airportd[1299]: airportdProcessDLILEvent: en1 attached (up) 2/11/17 11:39:10.000 AM kernel[0]: en1: channel changed to 1 2/11/17 11:39:10.000 AM kernel[0]: CODE SIGNING: cs_invalid_page(0x10ca6d000): p=1299[airportd] final status 0x3004a00, denying page sending SIGKILL 2/11/17 11:39:10.000 AM kernel[0]: CODE SIGNING: process 1299[airportd]: rejecting invalid page at address 0x10ca6d000 from offset 0xaf000 in file "/usr/libexec/airportd" (cs_mtime:1431489060.0 == mtime:1431489060.0) (signed:1 validated:1 tainted:1 wpmapped:0 slid:0) 2/11/17 11:39:11.028 AM com.apple.xpc.launchd[1]: (com.apple.airportd[1299]) Binary is improperly signed. 2/11/17 11:39:11.028 AM com.apple.xpc.launchd[1]: (com.apple.airportd) Service only ran for 1 seconds. Pushing respawn out by 9 seconds. I have TM backups for the machine. Would restoring /usr/libexec/airportd be my only option at this point? Or is that a red herring? -Carl
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