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Backport PR 2774

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increase USB_UEFI_PART_SIZE to 1024 MiB

Resolves: rhbz2228402
This commit is contained in:
Pavel Cahyna 2023-08-22 13:25:10 +02:00
parent 0a26eb16ae
commit 72f5b9b62c
2 changed files with 42 additions and 0 deletions
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41
rear-usb-uefi-part-size-bz2228402.patch Normal file
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@ -0,0 +1,41 @@
commit 1cd41052f7a7cd42ea14ea53b7280c73624aba3f
Author: Johannes Meixner <jsmeix@suse.com>
Date: Mon Mar 21 12:14:21 2022 +0100
Merge pull request #2774 from rear/jsmeix-1024-USB_UEFI_PART_SIZE
In default.conf increase USB_UEFI_PART_SIZE to 1024 MiB,
cf. https://github.com/rear/rear/pull/1205
in particular to also make things work by default when additional
third-party kernel modules and firmware (e.g. from Nvidia) are used,
cf. https://github.com/rear/rear/issues/2770#issuecomment-1068935688
diff --git a/usr/share/rear/conf/default.conf b/usr/share/rear/conf/default.conf
index 8faa56aa..17a764cb 100644
--- a/usr/share/rear/conf/default.conf
+++ b/usr/share/rear/conf/default.conf
@@ -872,13 +872,20 @@ USB_PARTITION_ALIGN_BLOCK_SIZE="8"
# in MiB when formatting a medium by the format workflow.
# If USB_UEFI_PART_SIZE is empty or invalid (i.e. not an unsigned integer larger than 0)
# the user must interactively enter a valid value while running the format workflow.
-# The default value of 400 MiB should be sufficiently big and it is in compliance
-# with the 8 MiB partition alignment default value ( 400 = 8 * 50 )
-# and even with a 16 MiB partition alignment value ( 400 = 16 * 25 )
+# The default value of 1024 MiB should be sufficiently big
# cf. https://github.com/rear/rear/pull/1205
+# in particular when third-party kernel modules and firmware (e.g. from Nvidia) are used
+# cf. https://github.com/rear/rear/issues/2770#issuecomment-1068935688
+# and 1024 MiB is in compliance with the 8 MiB partition alignment value ( 1024 = 8 * 128 )
+# and also with higher 2^n MiB partition alignment values.
+# Furthermore the default value of 1024 MiB results that the FAT filesystem of the ESP
+# will be in compliance with that the ESP should officially use a FAT32 filesystem
+# because mkfs.vfat automatically makes a FAT32 filesystem starting at 512 MiB
+# (a FAT16 ESP works in most cases but causes issues with certain UEFI firmware)
+# cf. https://github.com/rear/rear/issues/2575
# The value of USB_UEFI_PART_SIZE will be rounded to the nearest
# USB_PARTITION_ALIGN_BLOCK_SIZE chunk:
-USB_UEFI_PART_SIZE="400"
+USB_UEFI_PART_SIZE="1024"
#
# Default boot option (i.e. what gets booted automatically after some timeout)
# when EXTLINUX boots the USB stick or USB disk or other disk device on BIOS systems.

1
rear.spec
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@ -46,6 +46,7 @@ Patch55: rear-bz2131946.patch
Patch56: s390-no-clobber-disks.patch
Patch57: rear-bz2188593-nbu-systemd.patch
Patch58: rear-device-shrinking-bz2223895.patch
Patch59: rear-usb-uefi-part-size-bz2228402.patch
# rear contains only bash scripts plus documentation so that on first glance it could be "BuildArch: noarch"
# but actually it is not "noarch" because it only works on those architectures that are explicitly supported.