Happen to figure out how to successfully write to these variables under Linux please letĮveryone know in the comments (in case OS X recovery mode goes missing, you know).ġ4 e4 : 43 a0 : Broadcom Corporation BCM4360 802.11 ac Wireless Network Adapter ( rev 03 ) May sometimes corrupt your Apple firmware. Note 3: several Internet sources suggest that writing EFI variables from Linux Note 2: RHEL or CentOS users need to rebuild efivar from the Note 1: Before disabling both variables had non zero values. If I remember correctly tg3 is available during installation so you shouldīe able to use the Thunderbolt adapter instead of WiFi as well.ħc436110-ab2a-4bbb-a880-fe41995c9f82-SystemAudioVolumeħc436110-ab2a-4bbb-a880-fe41995c9f82-SystemAudioVolumeDB Thunderbolt adapter but couldn't reproduce it repliablyįor the record this is with kernel 3.10.0-229.1.2.el7.x86_64 which is missing I did see my computer freeze 2 out of 10 times when I've unplugged the ![]() Unplugging and pluggin back in the network cable works as expected. Device 00 f6 Physical Slot : 9 Flags : bus master, fast devsel, latency 0, IRQ 19 Memory at cd800000 ( 64 - bit, prefetchable ) Memory at cd810000 ( 64 - bit, prefetchable ) Expansion ROM at cd820000 Capabilities : Power Management version 3 Capabilities : Vital Product Data Capabilities : MSI : Enable - Count = 1 / 8 Maskable - 64 bit + Capabilities : MSI - X : Enable + Count = 6 Masked - Capabilities : Express Endpoint, MSI 00 Capabilities : Advanced Error Reporting Capabilities : Device Serial Number 00 - 00 - ac - 87 - a3 - 25 - 20 - 33 Capabilities : Power Budgeting Capabilities : Virtual Channel Capabilities : Latency Tolerance Reporting Kernel driver in use : tg3 For more info see:Ġ a : 00.0 Ethernet controller : Broadcom Corporation NetXtreme BCM57762 Gigabit Ethernet PCIe Subsystem : Apple Inc. Presentation on the 2nd monitor and play YouTube video.Īll USB 2.0 devices from Plugable should be well supported on Linux.įor USB 3.0 David Airlie from Red Hat is doing some reverse engineeringīut I have no idea what the status is. ![]() I was able to succeffully display an OpenOffice Mate-display-properties I'm able to configure the 2nd monitor attached Mine isĪnd it works great with Red Hat Enterprise Linux 7.1.Īfter the device is plugged in the udl kernel module is loadedĪnd a new framebuffer device is created (/dev/fb1 in my case). Use external projector is to use a USB to VGA adapter. Using USB to VGA Adapter on MacBook Air with LinuxĪ quick solution for MacBook Air users running Linux who want to Mind you I'm still running RHEL 7 on my MacBook Air. On the first one was mostly missing but the rest were ok! Mode but I did see ABRT detecting a kernel problem. It worked more or less.Īt the time I had LibreOffice Impress in presentation ![]() I was told there was nothing showing on the projector so I quickly plugged the adapter outĪnd then back in. Unplugged and the lid closed, causing it to suspend. It was an Acer adapter but I have no more details b/c it wasn't mine.īefore the event I've tested it and it worked so on the day of the event I'veįreshly rebooted my laptop to be sure no crashed processes or anything like thatįirst time I plugged in the MacBook everything worked like a charm. Recently I've used my MacBook Air to do a presentationĪnd the Thunderbolt to VGA adapter worked well enough. Mate power manager doesn't detect AC/DC changes on MacBook Air with RHEL 7.2ĭespite claims that it should not. No idea where to look and if it's the driver to blame or something else on the system.Īfter the upgrade to RHEL 7.2 I also started seeing ![]() Help in debugging what's going wrong and trying to fix it. Suspendingįrom the Desktop menu however appears to work. My battery was drained as I left the computer as-is overnight. The screen stays on and (I think) the computer doesn't The mba6x_bl driver built without problems however I'm having problems whenĬlosing the laptop lid. Wifi broke immediately but I was able to fix the build with a On my MacBook Air and I decided to rebuild the wifi and backlight drivers.
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