A Word About ChromeOS
Please Note
Grub2Win support for ChromeOS is currently experimental.
Chrome installation and import instructions are here Importing ChromeOS Config Files
If you need support for Chrome issues, you must go to a Chrome or Brunch support group for help.
Check out the site where you downloaded your Chrome or Brunch files for support.
There are several reasons for this:
The Chrome kernels currently available for download are extremely hardware sensitive.
Users often experience black screens and system hangs when they try to boot these kernels on Windows PC's.
The GNU Grub code required to boot Chrome is both complex and not predictable.
The Linux parms for Chrome are not well documented.
Example:
linux (loop,gpt9)/kernel boot=local noresume noswap loglevel=7 disablevmx=off \
cros_secure cros_debug loop.max_part=16 img_part=$img_part img_path=$img_path
The Chrome partition configuration is also very complex.
It requires up to 12 partitions on a single disk.
Often, the partitions are loaded from a disk image .img file or from a virtualized disk.
In addition, several of the partitions employ proprietary filesystem formats unique to Chrome.
These are not normally readable from Windows or other Linux distributions.
Here is a typical disk layout for Chrome installation:
Disk 5 Style GPT Sector 512 Size 1 TB Used 7 GB 0.7% Free 925 GB WDC WD10EZEX
Partition 11 Chrome OS Firmware Size 8 MB
Partition 6 Chrome OS Kernel FS OTHER Size 512 Bytes
Partition 7 Chrome OS Root FS FS OTHER Size 512 Bytes
Partition 9 Chrome OS Future Use Size 512 Bytes
Partition 10 Chrome OS Future Use Size 512 Bytes
Partition 2 Chrome OS Kernel FS OTHER Size 16 MB
Partition 4 Chrome OS Kernel FS OTHER Size 16 MB
Partition 8 Linux Filesystem FS EXT4 Size 16 MB 54% Full Label = OEM
UUID = B13EA26E-E754-4FC3-9B8C-5F0DBBD3667E
** Unallocated Space ** Size 64 MB
Partition 12 ** Other EFI ** FS FAT16 Size 32 MB Label = EFI-SYSTEM
Partition 5 Chrome OS Root FS FS OTHER Size 2 MB
Partition 3 Chrome OS Root FS FS EXT2 Size 3 GB 95% Full Label = ROOT-A
UUID = 00000000-0000-0000-0000-000000000000
Partition 1 Linux Filesystem FS EXT4 Size 4 GB 56% Full Label = STATE
UUID = 978542BF-0712-4937-B2D9-425592990800
** Unallocated Space ** Size 925 GB
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