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Add rEFInd info

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Yufan Lou 2016-05-18 21:51:02 +08:00
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troubleshooting/uefi-troubleshooting.md
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@ -9,12 +9,12 @@ Troubleshooting UEFI related problems
Cannot start installation, it hangs after GRUB menu ("Test media and install Qubes OS") Cannot start installation, hangs at four penguins after choosing "Test media and install Qubes OS" in GRUB menu
--------------------- ---------------------
There is some [common bug in UEFI implementation](http://xen.markmail.org/message/f6lx2ab4o2fch35r), affecting mostly Lenovo systems, but probably some others too. You can try existing workaround: There is some [common bug in UEFI implementation](http://xen.markmail.org/message/f6lx2ab4o2fch35r), affecting mostly Lenovo systems, but probably some others too. You can try existing workaround:
1. In GRUB menu press `e`. 1. In GRUB menu<sup id="a1-1">[1](#f1)</sup> press `e`.
2. At the end of `chainloader` line add `/mapbs /noexitboot`. 2. At the end of `chainloader` line add `/mapbs /noexitboot`.
3. Perform installation normally, but not reboot system at the end yet. 3. Perform installation normally, but not reboot system at the end yet.
4. Go to `tty2` (Ctrl-Alt-F2). 4. Go to `tty2` (Ctrl-Alt-F2).
@ -35,7 +35,7 @@ System crash/restart when booting installer
Some Dell systems and probably others have [another bug in UEFI firmware](http://markmail.org/message/amw5336otwhdxi76). And there is another workaround for it: Some Dell systems and probably others have [another bug in UEFI firmware](http://markmail.org/message/amw5336otwhdxi76). And there is another workaround for it:
1. In GRUB menu press `e`. 1. In GRUB menu<sup id="a1-2">[1](#f1)</sup> press `e`.
2. At the end of `chainloader` line add `-- efi=attr=uc`. 2. At the end of `chainloader` line add `-- efi=attr=uc`.
3. Perform installation normally, but not reboot system at the end yet. 3. Perform installation normally, but not reboot system at the end yet.
4. Go to `tty2` (Ctrl-Alt-F2). 4. Go to `tty2` (Ctrl-Alt-F2).
@ -44,3 +44,6 @@ Some Dell systems and probably others have [another bug in UEFI firmware](http:/
sed -i -e 's/^options=.*/\0 efi=attr=uc' /mnt/sysimage/boot/efi/qubes/xen.cfg sed -i -e 's/^options=.*/\0 efi=attr=uc' /mnt/sysimage/boot/efi/qubes/xen.cfg
6. Now you can reboot the system by issuing `reboot` command. 6. Now you can reboot the system by issuing `reboot` command.
* * *
<b name="f1">1</b> If you use rEFInd, you can see 3 options regarding the USB installer. Choose "Fallback Boot Loader" to enter the GRUB menu. [↩](#a1-1) [↩](#a1-2)