[Sony Cross-Device General] McBane87:
Well, there was a strange thing. The first time I booted like this, I was able to install PRF-Image without Problems. Then I tought: "Great. This it is." But all the other times after that I was facing the same RO-Problem again.

---------- Post added at 11:31 AM ---------- Previous post was at 11:01 AM ----------

Workaround was disabled:

~ # mount -o ro /system
~ # busybox lsmod
Module Size Used by Tainted: G
byeselinux 1843 0
~ # busybox rmmod byeselinux
~ # busybox lsmod
Module Size Used by Tainted: G
~ # umount /system
~ # mount /system
mount: mounting /dev/block/mmcblk0p24 on /system failed: Device or resource busy
~ # mount | grep system
~ # dmesg | grep EXT4
<4>[ 7.664276] EXT4-fs (mmcblk0p25): warning: maximal mount count reached, running e2fsck is recommended
<6>[ 7.665954] EXT4-fs (mmcblk0p25): mounted filesystem with ordered data mode. Opts:
<6>[ 7.817718] EXT4-fs (mmcblk0p24): mounted filesystem with ordered data mode. Opts: barrier=1
<6>[ 9.089721] EXT4-fs (mmcblk0p27): mounted filesystem with ordered data mode. Opts: barrier=1,noauto_da_alloc,discard
<6>[ 9.100860] EXT4-fs (mmcblk0p22): barriers disabled
<4>[ 9.102813] EXT4-fs (mmcblk0p22): warning: maximal mount count reached, running e2fsck is recommended
<6>[ 9.103729] EXT4-fs (mmcblk0p22): mounted filesystem with ordered data mode. Opts: barrier=0,discard
<6>[ 9.153930] EXT4-fs (mmcblk0p25): mounted filesystem with ordered data mode. Opts: barrier=1,discard
<6>[ 9.162261] EXT4-fs (mmcblk0p16): mounted filesystem with ordered data mode. Opts:
<4>[ 9.175079] EXT4-fs (mmcblk0p26): warning: maximal mount count reached, running e2fsck is recommended
<6>[ 9.176116] EXT4-fs (mmcblk0p26): mounted filesystem with ordered data mode. Opts: (null)
<6>[ 9.322113] EXT4-fs (mmcblk0p26): mounted filesystem with ordered data mode. Opts:
<6>[ 9.440002] EXT4-fs (mmcblk0p24): re-mounted. Opts: barrier=1
<6>[ 11.898071] EXT4-fs (mmcblk0p24): re-mounted. Opts: data=ordered
<6>[ 11.943939] EXT4-fs (mmcblk0p24): re-mounted. Opts: data=ordered
<4>[ 11.993927] EXT4-fs (mmcblk0p24): warning: maximal mount count reached, running e2fsck is recommended
<6>[ 11.994873] EXT4-fs (mmcblk0p24): re-mounted. Opts: data=ordered
<6>[ 12.107360] EXT4-fs (mmcblk0p24): re-mounted. Opts: data=ordered
<6>[ 20.362457] EXT4-fs (mmcblk0p25): mounted filesystem with ordered data mode. Opts:
<6>[ 20.380767] EXT4-fs (mmcblk0p27): mounted filesystem with ordered data mode. Opts:
<6>[ 20.483886] EXT4-fs (mmcblk0p27): mounted filesystem with ordered data mode. Opts:
<6>[ 20.594116] EXT4-fs (mmcblk0p27): mounted filesystem with ordered data mode. Opts:
~ # mount -o ro /system
~ # mount -o rw,remount /system
~ # mount | grep system
/dev/block/mmcblk0p24 on /system type ext4 (rw,seclabel,relatime,data=ordered)
~ # dmesg | grep EXT4
<4>[ 7.664276] EXT4-fs (mmcblk0p25): warning: maximal mount count reached, running e2fsck is recommended
<6>[ 7.665954] EXT4-fs (mmcblk0p25): mounted filesystem with ordered data mode. Opts:
<6>[ 7.817718] EXT4-fs (mmcblk0p24): mounted filesystem with ordered data mode. Opts: barrier=1
<6>[ 9.089721] EXT4-fs (mmcblk0p27): mounted filesystem with ordered data mode. Opts: barrier=1,noauto_da_alloc,discard
<6>[ 9.100860] EXT4-fs (mmcblk0p22): barriers disabled
<4>[ 9.102813] EXT4-fs (mmcblk0p22): warning: maximal mount count reached, running e2fsck is recommended
<6>[ 9.103729] EXT4-fs (mmcblk0p22): mounted filesystem with ordered data mode. Opts: barrier=0,discard
<6>[ 9.153930] EXT4-fs (mmcblk0p25): mounted filesystem with ordered data mode. Opts: barrier=1,discard
<6>[ 9.162261] EXT4-fs (mmcblk0p16): mounted filesystem with ordered data mode. Opts:
<4>[ 9.175079] EXT4-fs (mmcblk0p26): warning: maximal mount count reached, running e2fsck is recommended
<6>[ 9.176116] EXT4-fs (mmcblk0p26): mounted filesystem with ordered data mode. Opts: (null)
<6>[ 9.322113] EXT4-fs (mmcblk0p26): mounted filesystem with ordered data mode. Opts:
<6>[ 9.440002] EXT4-fs (mmcblk0p24): re-mounted. Opts: barrier=1
<6>[ 11.898071] EXT4-fs (mmcblk0p24): re-mounted. Opts: data=ordered
<6>[ 11.943939] EXT4-fs (mmcblk0p24): re-mounted. Opts: data=ordered
<4>[ 11.993927] EXT4-fs (mmcblk0p24): warning: maximal mount count reached, running e2fsck is recommended
<6>[ 11.994873] EXT4-fs (mmcblk0p24): re-mounted. Opts: data=ordered
<6>[ 12.107360] EXT4-fs (mmcblk0p24): re-mounted. Opts: data=ordered
<6>[ 20.362457] EXT4-fs (mmcblk0p25): mounted filesystem with ordered data mode. Opts:
<6>[ 20.380767] EXT4-fs (mmcblk0p27): mounted filesystem with ordered data mode. Opts:
<6>[ 20.483886] EXT4-fs (mmcblk0p27): mounted filesystem with ordered data mode. Opts:
<6>[ 20.594116] EXT4-fs (mmcblk0p27): mounted filesystem with ordered data mode. Opts:
<4>[ 109.676116] EXT4-fs (mmcblk0p24): warning: maximal mount count reached, running e2fsck is recommended
<6>[ 109.708831] EXT4-fs (mmcblk0p24): re-mounted. Opts: data=ordered