f908dfe919
Fixes #13568 Upgrade from old image always requires squashfs mount to get the next image FW binary. This can be avoided if we put FW binary under platform directory which is easily accessible after installation: admin@r-spider-05:~$ ls /host/image-fw-new-loc.0-dirty-20230208.193534/platform/fw-SPC.mfa /host/image-fw-new-loc.0-dirty-20230208.193534/platform/fw-SPC.mfa admin@r-spider-05:~$ ls -al /tmp/image-fw-new-loc.0-dirty-20230208.193534-fs/etc/mlnx/fw-SPC.mfa lrwxrwxrwx 1 root root 66 Feb 8 17:57 /tmp/image-fw-new-loc.0-dirty-20230208.193534-fs/etc/mlnx/fw-SPC.mfa -> /host/image-fw-new-loc.0-dirty-20230208.193534/platform/fw-SPC.mfa - Why I did it 202211 and above uses different squashfs compression type that 201911 kernel can not handle. Therefore, we avoid mounting squashfs altogether with this change. - How I did it Place FW binary under /host/image-/platform/mlnx/, soft links in /etc/mlnx are created to avoid breaking existing scripts/automation. /etc/mlnx/fw-SPCX.mfa is a soft link always pointing to the FW that should be used in current image mlnx-fw-upgrade.sh is updated to prefer /host/image-/platform/mlnx location and fallback to /etc/mlnx in squashfs in case new location does not exist. This is necessary to do image downgrade. - How to verify it Upgrade from 201911 to master master to 201911 downgrade master -> master reboot ONIE -> master boot (First FW burn) Which release branch to backport (provide reason below if selected) |
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