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Fix issues with RAID1 metadata 1.0 partitions on IEEE1275 #212

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Fix issues with RAID1 metadata 1.0 partitions on IEEE1275 #212

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84442e3
mdraid: fix metadata 1.0 detection in userspace utilities on IEEE1275
Rolv-Apneseth May 18, 2026
01d7dfc
grub-install: use search.fs_uuid for RAID1 on IEEE1275
Rolv-Apneseth May 18, 2026
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2 changes: 1 addition & 1 deletion grub-core/disk/mdraid1x_linux.c
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Original file line number Diff line number Diff line change
Expand Up @@ -130,7 +130,7 @@ grub_mdraid_detect (grub_disk_t disk,
struct grub_diskfilter_vg *array;
char *uuid;

#ifdef __powerpc__
#if defined(__powerpc__) && !defined(GRUB_UTIL)
/* Firmware will yell at us for reading too far. */
if (minor_version == 0)
continue;
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2 changes: 1 addition & 1 deletion grub-core/disk/mdraid_linux.c
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Original file line number Diff line number Diff line change
Expand Up @@ -189,7 +189,7 @@ grub_mdraid_detect (grub_disk_t disk,
grub_uint32_t level;
struct grub_diskfilter_vg *ret;

#ifdef __powerpc__
#if defined(__powerpc__) && !defined(GRUB_UTIL)
/* Firmware will yell at us for reading too far. */
return NULL;
#endif
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7 changes: 6 additions & 1 deletion util/grub-install.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1422,7 +1422,12 @@ main (int argc, char *argv[])
debug_image);
}

if (!have_abstractions)
int is_ieee1275_raid1 = have_abstractions
&& (platform == GRUB_INSTALL_PLATFORM_POWERPC_IEEE1275)
&& grub_dev->disk
&& probe_raid_level (grub_dev->disk) == 1;

if (!have_abstractions || is_ieee1275_raid1)
{
if ((disk_module && grub_strcmp (disk_module, "biosdisk") != 0)
|| grub_drives[1]
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