slackware grub boot macbook-pro 8.2
https://everymac.com/systems/apple/m...olt-specs.html
I was given an old 2011 MacBookPro not really my cup of tea but by far the best spec computer I have. This was the first UEFI machine I has so I was worried
about bricking it so I kept the EFI partiton and the apple recovery. I first tried Linux Mint on a live usb as I expected it to have all the crap I might need to install. It worked fine so I installed to a small partition on sda2. Everything worked so I installed Slackware to sda4. but I could only get it to boot from grub manually after holding down the alt key and selecting efi from the apple firmware . Anyway I found the fix on the Debian wiki and thought I'd post the symptoms and the fix.
Once booted I installed the broadcom, isight firmware and pommed-light from slackbuilds.org. Using xfce the function keys volume, screen brightness and keyboard backlight are working Ive not tried or worked out what the other keys are yet. Wifi, webcam all work.
slackbook
grub> set root=(hd1,gpt4)
grub> linux /boot/vmlinuz-huge-5.15.19
grub> initrd /boot/initrd.gz
grub> boot
sda1 EFI don't touch
sda2 mint (empty)
sda3 apple (recovery) don't touch
sda4 Slackware 15
sda5 arch (empty)
sda6 /home
sda7 swap
if I use grub-mkconfig -o /boot/grub/grub.cfg
grub-install /dev/sda
It hangs at "fbo: switching to radeon from EFI VGA"
Same if I use efibootmgr to list then set Slackware as the boot option.
If I hold down the alt after the chime and choose efi from the apple menu it fails to boot and falls back to a grub prompt. I can then run
grub> set root=(hd1,gpt4)
grub> linux /boot/vmlinuz-huge-5.15.19
grub> initrd /boot/initrd.gz
grub> boot
and it boots correctly past switching to radeon from EFI VGA and the screen is correctly setup
The fix: "
https://wiki.debian.org/InstallingDe...MacBookPro/8-3
6. Edit the file /etc/grub.d/10_linux
Look for these lines:-
if ([ "$ubuntu_recovery" = 0 ] || [ x$type != xrecovery ]) && \
([ "x$GRUB_GFXPAYLOAD_LINUX" != x ] || [ "$gfxpayload_dynamic" = 1 ]); then
echo " gfxmode \$linux_gfx_mode" | sed "s/^/$submenu_indentation/"
fi
After these lines add in:- This was about line 130 on my slackware 15 install
echo " outb 0x728 1" | sed "s/^/$submenu_indentation/"
echo " outb 0x710 2" | sed "s/^/$submenu_indentation/"
echo " outb 0x740 2" | sed "s/^/$submenu_indentation/"
echo " outb 0x750 0" | sed "s/^/$submenu_indentation/"
These lines disable the AMD GPU leaving just the integrated Intel HD3000 graphics working
Run update-grub
Reboot "
---------------8<-----------8<-----------------8<--------------
On Slackware 15 it was:
else
if [ "x$GRUB_GFXPAYLOAD_LINUX" != xtext ]; then
echo " load_video" | sed "s/^/$submenu_indentation/"
fi
echo " set gfxpayload=$GRUB_GFXPAYLOAD_LINUX" | sed "s/^/$submenu_indentation/"
fi
I put his about line 130 on my slackware 15 install
echo " outb 0x728 1" | sed "s/^/$submenu_indentation/"
echo " outb 0x710 2" | sed "s/^/$submenu_indentation/"
echo " outb 0x740 2" | sed "s/^/$submenu_indentation/"
echo " outb 0x750 0" | sed "s/^/$submenu_indentation/"
save then
grub-mkconfig -o /boot/grub/grub.cfg
grub-install /dev/sda
Reboot
---------------8<-----------8<-----------------8<--------------
pinxi -bay
System:
Host: slackbook.local Kernel: 5.15.19 arch: x86_64 bits: 64 compiler: gcc
v: 2.37-slack15 parameters: BOOT_IMAGE=/boot/vmlinuz-huge-5.15.19
root=UUID=7a7a1189-b079-48c1-8f9f-7d0acad69797 ro
Desktop: catwm vt: 1 dm: startx Distro: Slackware 15.0
Machine:
Type: Laptop System: Apple product: MacBookPro8,2 v: 1.0
serial: <superuser required> Chassis: type: 10 v: Mac-94245A3940C91C80
serial: <superuser required>
Mobo: Apple model: Mac-94245A3940C91C80 v: MacBookPro8,2
serial: <superuser required> UEFI: Apple v: MBP81.88Z.0047.B27.1201241646
date: 01/24/12
Battery:
ID-1: BAT0 charge: 73.0 Wh (98.6%) condition: 74.0/75.2 Wh (98.3%)
volts: 12.5 min: 10.9 model: SMP bq20z451 type: Li-ion serial: N/A
status: full cycles: 145
CPU:
Info: quad core Intel Core i7-2720QM [MT MCP] arch: Sandy Bridge speed (MHz):
avg: 914 min/max: 800/3300
Graphics:
Device-1: Intel 2nd Generation Core Processor Family Integrated Graphics
vendor: Apple driver: i915 v: kernel arch: Gen-6 code: Sandybridge
process: Intel 32nm built: 2011 ports: active: LVDS-1
empty: DP-1,HDMI-A-1,VGA-1 bus-ID: 00:02.0 chip-ID: 8086:0126
class-ID: 0300
Device-2: Apple FaceTime HD Camera type: USB driver: uvcvideo usb: rev: 2.0
speed: 480 Mb/s lanes: 1 mode: legacy-2 bus-ID: 1-2:3 chip-ID: 05ac:8509
class-ID: 0e02 serial: DJHB1X0THVDH7HA0
Display: server: X.Org v: 1.20.14 with: Xwayland v: 21.1.4 driver: X:
loaded: modesetting unloaded: vesa alternate: fbdev dri: i965 gpu: i915
resolution: 1440x900~60Hz
API: OpenGL v: 3.3 Mesa 21.3.5 renderer: Mesa DRI Intel HD Graphics 3000
(SNB GT2) compat-v: 3.0 direct-render: Yes
Network:
Device-1: Broadcom NetXtreme BCM57765 Gigabit Ethernet PCIe driver: tg3
v: kernel pcie: gen: 1 speed: 2.5 GT/s lanes: 1 port: N/A bus-ID: 02:00.0
chip-ID: 14e4:16b4 class-ID: 0200
Device-2: Broadcom BCM4331 802.11a/b/g/n vendor: Apple AirPort Extreme
driver: bcma-pci-bridge v: N/A modules: bcma pcie: gen: 1 speed: 2.5 GT/s
lanes: 1 bus-ID: 03:00.0 chip-ID: 14e4:4331 class-ID: 0280
Drives:
Local Storage: total: 698.64 GiB used: 32.82 GiB (4.7%)
Info:
Processes: 212 Uptime: 27m wakeups: 4 Memory: 7.67 GiB used: 1.27 GiB (16.6%)
Init: SysVinit v: 3.01 runlevel: 3 default: 3 tool: /etc/rc.d Compilers:
gcc: 11.2.0 alt: 11.2.0 clang: 13.0.0 Packages: pm: pkgtool pkgs: 1399
libs: 238 tools: slackpkg pm: rpm pkgs: 0 Shell: Bash v: 5.1.16
running-in: xterm pinxi: 3.3.26-41
=========================================================================
edit: As I was reminded after kernel upgrade to update grub again.
grub-mkconfig -o /boot/grub/grub.cfg
grub-install /dev/sda
Reboot
