Pmbootstrap: Flashing zip to Samsung SGH-i927

[arccot]

Action taken: Attempted to flash recovery zip using TWRP
Error(s):

• parted -s /dev/block/mmcblk0p2 'mktable msdos'
  Error: Partition(s) 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64 on /dev/block/mmcblk0p2 have been written, but we have been unable to inform the kernel of the change, probably because it/they are in use. As a result, the old partition(s) will remain in use. You should reboot now before making further changes.

• mkfs.ext4 -O ^metadata_csum -L pmOS_root /dev/mapper/mmcblk0p2p2
  mke2fs 1.44.2 (14-May-2018)
  The file /dev/mapper/mmcblk0p2p2 does not exist and no size was specified.

I rebooted and attempted flashing again, with no change.
pmos.log: https://pastebin.com/r9eux0pS

Edit: I forgot to mention, the zip I am flashing was created when @Moocow9m closed issue #1551 using PR #1556, in case that adds any helpful information

[ollieparanoid]

Thanks for reporting! As a workaround: does it work after rebooting the device and running the installation again?

CC: @ata2001: I haven't looked into this yet, maybe we can work around this by calling partprobe manually like we do in the Python install code?

[arccot]

Rebooting has no effect, log output stays the same

[ata2001]

@ollieparanoid We do it already. https://github.com/postmarketOS/pmbootstrap/blob/master/aports/main/postmarketos-android-recovery-installer/pmos_install_functions#L84

[ollieparanoid]

@arccot: After the installation fails there, can you give us the output of mount?

You could do that with piping it into a file and then copying that via adb:

$ mount > /mount_output

If mount is not available:

$ cat /proc/mounts > /mount_output

[arccot]

mount > /external_sd/mount_output
https://pastebin.com/DEQvhsdC

[ollieparanoid]

Thanks for uploading the log!
I can't find a clue in there unfortunately, but here are more questions:

• What does ls -la /dev/mapper give you?
• Can you dump the kernel config of your recovery OS? (copy the /proc/config.gz file via adb in case it exists)

[arccot]

ls -la /dev/mapper:

__bionic_open_tzdata: couldn't find any tzdata when looking for CST6CDT!
__bionic_open_tzdata: couldn't find any tzdata when looking for posixrules!
drwxr-xr-x    2 root     root            60 Jun 18 16:13 .
drwxr-xr-x   12 root     root          4080 Jun 18 16:13 ..
crw-------    1 root     root       10, 236 Jun 18 16:13 control

config.gz

[ollieparanoid]

Thanks again. Okay, I couldn't find anything suspicious in the kernel config. Could you provide the output of ls -la /dev/block as well?

Regarding partprobe, I have found out, that the non-busybox partprobe does things differently than partprobe (see this comment). That means if the regular partprobe is broken with your particular kernel, it _might_ be worth using busybox partprobe /dev/block/mmcblk0 (@ata2001: how would we call that from the TWRP terminal? and do you have an idea?)