[Windows 8 Development and Hacking] JoinTheRealms:
Hi, the contents of /sys/firmware/efi/efivaar:

AcpiGlobalVariable-af9ffd67-ec10-488a-9dfc-6cbf5ee22c2e

AcpiGlobalVariable-c020489e-6db2-4ef2-9aa5-ca06fc11d36a

AEDID-75860b2c-f315-4ff1-9e19-029ad0129dba

AMITSESetup-c811fa38-42c8-4579-a9bb-60e94eddfb34

ASUSSetupDefault-f1920447-7a78-4c0d-a028-ba9d003985e8

Boot0001-8be4df61-93ca-11d2-aa0d-00e098032b8c

Boot0003-8be4df61-93ca-11d2-aa0d-00e098032b8c

BootCurrent-8be4df61-93ca-11d2-aa0d-00e098032b8c

BootOptionSupport-8be4df61-93ca-11d2-aa0d-00e098032b8c

BootOrder-8be4df61-93ca-11d2-aa0d-00e098032b8c

ConIn-8be4df61-93ca-11d2-aa0d-00e098032b8c

ConInDev-8be4df61-93ca-11d2-aa0d-00e098032b8c

ConOut-8be4df61-93ca-11d2-aa0d-00e098032b8c

ConOutDev-8be4df61-93ca-11d2-aa0d-00e098032b8c

db-d719b2cb-3d3a-4596-a3bc-dad00e67656f

dbx-d719b2cb-3d3a-4596-a3bc-dad00e67656f

DefaultBootOrder-45cf35f6-0d6e-4d04-856a-0370a5b16f53

DriverHealthCount-7459a7d4-6533-4480-bba7-79e25a4443c9

DriverHlthEnable-0885f288-418c-4be1-a6af-8bad61da08fe

EcUpdate-1c02afc1-dd2d-49a9-b7f2-9836f61d763f

ErrOut-8be4df61-93ca-11d2-aa0d-00e098032b8c

ErrOutDev-8be4df61-93ca-11d2-aa0d-00e098032b8c

FastBootOption-b540a530-6978-4da7-91cb-7207d764d262

FPDT_Variable-01368881-c4ad-4b1d-b631-d57a8ec8db6b

FwEntry-10ba6bbe-a97e-41c3-9a07-607ad9bd60e5

GPTHDD_PRESENT-8be4df61-93ca-11d2-aa0d-00e098032b8c

KEK-8be4df61-93ca-11d2-aa0d-00e098032b8c

MemoryTypeInformation-4c19049f-4137-4dd3-9c10-8b97a83ffdfa

MonotonicCounter-01368881-c4ad-4b1d-b631-d57a8ec8db6b

MSDMTBL-01368881-c4ad-4b1d-b631-d57a8ec8db6b

NetworkStackVar-d1405d16-7afc-4695-bb12-41459d3695a2

nvram-74b00bd9-805a-4d61-b51f-43268123d113

OA3MSDMvariable-01368881-c4ad-4b1d-b631-d57a8ec8db6b

OsIndications-8be4df61-93ca-11d2-aa0d-00e098032b8c

OsIndicationsSupported-8be4df61-93ca-11d2-aa0d-00e098032b8c

PK-8be4df61-93ca-11d2-aa0d-00e098032b8c

PlatformLang-8be4df61-93ca-11d2-aa0d-00e098032b8c

PlatformLangCodes-8be4df61-93ca-11d2-aa0d-00e098032b8c

PreviousMemoryTypeInformation-4c19049f-4137-4dd3-9c10-8b97a83ffdfa

S3SS-4bafc2b4-02dc-4104-b236-d6f1b98d9e84

SecureBoot-8be4df61-93ca-11d2-aa0d-00e098032b8c

SecureBootSetup-7b59104a-c00d-4158-87ff-f04d6396a915

Setup-ec87d643-eba4-4bb5-a1e5-3f3e36b20da9

SetupMode-8be4df61-93ca-11d2-aa0d-00e098032b8c

SLP20Magic-41282ef2-9b5a-4eb7-95d8-d9cd7bdce367

SPIInMemory-9489c5e7-665b-446b-9b48-dfcc718a8cfb

StdDefaults-4599d26f-1a11-49b8-b91f-858745cff824

TcgInternalSyncFlag-f3ed95df-828e-41c7-bca0-16c41965a634

Timeout-8be4df61-93ca-11d2-aa0d-00e098032b8c

TrEEPhysicalPresence-f24643c2-c622-494e-8a0d-4632579c2d5b

UsbMassDevNum-ec87d643-eba4-4bb5-a1e5-3f3e36b20da9

UsbMassDevValid-ec87d643-eba4-4bb5-a1e5-3f3e36b20da9

UsbSupport-ec87d643-eba4-4bb5-a1e5-3f3e36b20da9

WriteOnceStatus-4b3082a3-80c6-4d7e-9cd0-583917265df1

This error is spams frequently during bootup: (EDIT: This seems to be a known issue, apparently fixed with this patch, will try it out http://permalink.gmane.org/gmane.linux.kernel.mmc/24260)

mmcblk0rpmb: retrying using single block read

mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900

mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900

mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900

mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900

mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900

mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900

end_request: I/O error, dev mmcblk0rpmb, sector 8176

Buffer I/O error on device mmcblk0rpmb, logical block 1022

mmcblk0rpmb: error -110 transferring data, sector 8176, nr 8, cmd response 0x900, card status 0xb00

Another user on your blog has the same error messages with the same wifi trouble so maybe linked.

possibly relevant:

brcmfmac: module has bad taint, not creating trace events

usbcore: registered new interface driver brcmfmac