| 17:13 | balrog | I was trying to use mmcroot=UUID= or PARTUUID but it didn't work |
| 17:14 | balrog | was I doing something wrong or does uuid just not work with mmcroot? |
| 17:16 | Artox | as far as I know, balrog, uuid does work |
| 17:16 | balrog | Artox: I could simply not get it to work |
| 17:16 | balrog | try as I might |
| 17:16 | balrog | this is with kernel on sd card and rootfs on sata |
| 17:16 | Artox | but the kernel actually takes root= |
| 17:17 | Artox | not mmcroot |
| 17:17 | mk01_ | balrog: kernel don't recognise UUID/LABEL |
| 17:17 | balrog | I tried that too |
| 17:17 | Artox | unless yourefer to the uEnv.txt |
| 17:17 | Artox | of which I am no expert |
| 17:17 | balrog | Artox: uenv.txt |
| 17:17 | balrog | mk01_: ^ |
| 17:17 | Artox | that text file requires some magic to pass useful stuff to kernel |
| 17:17 | mk01_ | (so for UUID/LABEL one needs initramfs (and resolve via findfs for instance) |
| 17:17 | balrog | right now I don't have a boot.scr (didn't need one yet) |
| 17:17 | Artox | oh |
| 17:17 | Artox | uuid thign is not builtin? |
| 17:17 | balrog | mk01_: do you need initramfs for PARTUUID? apparently you don't |
| 17:17 | Artox | that'd explain it, my opensuse distros always laod an initrd |
| 17:17 | Artox | so no trouble there |
| 17:17 | balrog | I'm using arch |
| 17:18 | balrog | well I worked around this for now by specifying a reboot on panic |
| 17:18 | Artox | so, balrog, chances are the part that handles uuid is not builtin but a module (but I really dont know) |
| 17:18 | balrog | the issue was that on reboot, the usb drive would be treated as rootfs and fail since sata hadn't come up yet |
| 17:18 | balrog | http://unix.stackexchange.com/questions/93767/why-cant-i-specify-my-root-fs-with-a-uuid |
| 17:18 | balrog | was looking at that |
| 17:18 | balrog | thing is the kernel doesn't seem to be able to use PARTUUID either. |
| 17:19 | balrog | oh, that's GPT onle. |
| 17:19 | balrog | only* |
| 17:19 | balrog | ahh... |
| 17:20 | balrog | that would explain it |
| 17:20 | Artox | if sata hasnt come up yet |
| 17:20 | Artox | one can pass rootwait |
| 17:20 | Artox | I believe |
| 17:20 | mk01_ | * Convert a name into device number. We accept the following variants: |
| 17:20 | mk01_ | * |
| 17:20 | mk01_ | * 1) device number in hexadecimal represents itself |
| 17:20 | mk01_ | * no leading 0x, for example b302. |
| 17:20 | mk01_ | * 2) /dev/nfs represents Root_NFS (0xff) |
| 17:21 | mk01_ | * 3) /dev/ represents the device number of disk |
| 17:21 | mk01_ | * 4) /dev/ represents the device number |
| 17:21 | mk01_ | * of partition - device number of disk plus the partition number |
| 17:21 | mk01_ | * 5) /dev/p - same as the above, that form is |
| 17:21 | mk01_ | * used when disk name of partitioned disk ends on a digit. |
| 17:21 | mk01_ | * 6) PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF representing the |
| 17:21 | mk01_ | * unique id of a partition if the partition table provides it. |
| 17:21 | mk01_ | * The UUID may be either an EFI/GPT UUID, or refer to an MSDOS |
| 17:21 | mk01_ | * partition using the format SSSSSSSS-PP, where SSSSSSSS is a zero- |
| 17:21 | mk01_ | * filled hex representation of the 32-bit "NT disk signature", and PP |
| 17:21 | mk01_ | * is a zero-filled hex representation of the 1-based partition number. |
| 17:21 | mk01_ | * 7) PARTUUID=/PARTNROFF= to select a partition in relation to |
| 17:21 | mk01_ | * a partition with a known unique id. |
| 17:21 | mk01_ | * 8) : major and minor number of the device separated by |
| 17:21 | mk01_ | * a colon. |
| 17:21 | mk01_ | thats do_mount from 3.19 |
| 17:21 | mk01_ | the same is for 3.14 |
| 17:22 | mk01_ | so should work in this formats |
| 17:48 | balrog | oh hmm, SSSSSSSS-PP |
| 18:56 | mETz | Looks like the PSU that shipped with my cubox-i4pro is faulty or does not fit |
| 18:57 | mETz | just rotating or applying minimal pressure to the jack makes the box loose power, no such problems with a PSU from a different iMX6 device (5V 4A) |
| 18:58 | mETz | anybody else had trouble with a HNP18-050 PSU? |