可写系统狂热到ro -- root-access 领域 和 permissions 领域 和 system 领域 android 相关 的问题

Writable System Revets to RO


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我扎根于twrp 3.2.1-0,安装了supersu zip(稍后自动更新)并添加BusyBox。我目前有三个备份加上一个EFS目录。年长的是大约三个星期。从那以后,我争取这个问题。可能,我做错了什么,但我无法弄清楚什么。

问题是,即使任何类型的根检查器都说我这样做,我也没有root访问权限。 eS explorer上的文件读取 rw 每次恢复这些备份时,就像我看到的那样,但几分钟后,Chmod自行奇怪地改变它是手机没有植根的东西,并写作权限消失了。 Chang Chmod使用文件管理器具有相同的结果,但显示 dwrx 。如果我重新启动我的 drw 到处都没有,但在任何情况下都没有对root访问的影响,并且在不到2分钟内所有根目录都恢复为原始权限,除了 /system 目录,维护现在 drwxrwxr-x 。这非常令人困惑,难以描述,但有些东西确定:权限自己改变,我从未有root访问权限。但是我在第一个TWRP备份之前让它有所,因为我可以在 /system 上安装应用程序。 我对adb命令很了解,但我使用了我在这个论坛和其他地方在其他线程上找到的那些,并获得一些答案,如 adbd cannot run as root in production builds for adb root 。我还在TWRP终端和终端仿真器应用上尝试了以下命令,也都在U0227 @ Jflte下:/和进入SU之后: mount -o rw,remount /system

结果在U0227下@ Jflte:/ Mount: Permission denied

在这里进入su tmp-mksh: Mount: not found

命令 dwrx0
结果: dwrx1

更多命令我在计算机上遇到adb上的adb

dwrx2
结果: dwrx3

dwrx4
结果: dwrx5

dwrx6
结果: dwrx7

dwrx8
结果: dwrx9

我试过了其他人,但这篇文章已经很久了...... 尽管如此,当我尝试使用系统应用程序安装程序或root等待的任何应用程序时,我可以以前可以获得相同的答案:安装错误,无法将系统分区安装为读/写。

我发现一些建议用命令 drw0 来查找问题。我做了,但我发布了这篇文章后很长的结果的副本,因为我自己找不到任何东西。也许它将有助于某人帮助我。

同样发生在我恢复的另一个稍微旧的备份时,但是在开始我甚至在 drw1 中安装了一个应用程序。为什么改变了?它可以从最新的更新的Supersu版本中,因为我读到了XDA开发人员它有问题并建议更改为旧版本?我搜索了很多关于这个权限问题的许多线程,但没有像我一样的改变,没有解决。我想知道原因是什么和。为什么这么多关于根权限问题的线程,而不是一个解决的问题? 感谢任何欢迎帮助。抱歉这么长时间,但我真的想修复这个问题,并且有这么多的关于它的线程,我找不到一个解决方案。

命令 drw2

drw3

english

I rooted with TWRP 3.2.1-0, installed SuperSU zip (later automatically updated) and added Busybox. I presently have three backups plus one of the EFS directory alone. The older one is some three weeks old. Since then I fight with this problem. Probably, I have done something wrong, but I canxe2x80x99t figure out what.

The problem is that I donxe2x80x99t really have root access, even if any type of root checker says that I do. Files on ES Explorer read rw each time I restore any of those backups, as I can see, but a couple of minutes later the CHMOD strangely changes by itself to what it is when a phone is not rooted, and writing permissions are gone. Chang CHMOD with a file manager has the same result, but showing dwrx. If I reboot I have drw everywhere, but no effect on root access as in any case, and in less than 2 minutes all root directories revert to their original permissions, except the /system directory, maintaining now drwxrwxr-x. This is very confusing and difficult to describe, but something is sure: the permissions change by themselves and I never have root access. However I had it before the first TWRP backup because I could install an application on /system. I know little about adb commands, but I have used those that I found on other threads on this forum and elsewhere, and get some answers like adbd cannot run as root in production builds for adb root. I also tried the following command on both the TWRP terminal and a terminal emulator app, also both under u0227@jflte:/ and after entering SU: mount -o rw,remount /system

Result under u0227@jflte:/ Mount: Permission denied

after entering SU here tmp-mksh: Mount: not found

Command /system/bin/mount -o remount,rw /system /system
Result: Permission denied

More commands that I ran on adb on computer

adb devices
Result: List of devices attached * daemon not running. starting it now on port 5037 * * daemon started successfully * 4daf65fc device

adb shell
Result: shell@jflte:/ $ su 1|shell@jflte:/ $ # 1|shell@jflte:/ $ adb root * daemon not running. starting it now on port 5038 * * daemon started successfully * error: device not found

mount -o remount,rw /system
Result: mount: Permission denied

mount -o remount,rw -t ext4 /dev/block/actc /system
Result: mount: Permission denied

There are others that I tried, but this post is already so long... Still, when I try to install any app with System Apps Installer or other as root, as I could before, I invariably get the same answer: Mounting error, Cannot mount system partition as Read/Write.

I found a few advices to use the command cat /proc/mounts to find problems. I did, but I post a copy of the very long result after this text because I canxe2x80x99t find anything by myself. Perhaps it will help someone to help me.

The same happens now with the other slightly older backups that I restored, but at the beginning I even installed an application in the /system. Why has this changed? Could it have been from the latest updated SuperSU version, because I read on XDA Developers it has issues and recommend changing to an older version? I searched a lot and found many threads about this permissions problems but none changing like mine, and none solved. I wonder what the cause can be and. Why so many threads about the root permissions issue and not a single one solved? Thank anyone for any welcome help. Sorry for being so long, but I really want to repair this issue and with so many threads about it I couldn't find just one solution.

Result from command cat /proc/mounts

root@jflte:/ # cat /proc/mounts rootfs / rootfs ro,relatime 0 0 tmpfs /dev tmpfs rw,seclabel,nosuid,relatime,mode=755 0 0 devpts /dev/pts devpts rw,seclabel,relatime,mode=600 0 0 none /dev/cpuctl cgroup rw,relatime,cpu 0 0 proc /proc proc rw,relatime 0 0 sysfs /sys sysfs rw,seclabel,relatime 0 0 selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0 debugfs /sys/kernel/debug debugfs rw,relatime 0 0 none /sys/fs/cgroup tmpfs rw,seclabel,relatime,mode=750,gid=1000 0 0 none /acct cgroup rw,relatime,cpuacct 0 0 tmpfs /mnt/secure tmpfs rw,seclabel,relatime,mode=700 0 0 tmpfs /mnt/asec tmpfs rw,seclabel,relatime,mode=755,gid=1000 0 0 tmpfs /mnt/obb tmpfs rw,seclabel,relatime,mode=755,gid=1000 0 0 /dev/block/platform/msm_sdcc.1/by-name/apnhlos /firmware vfat ro,context=u:object_r:firmware_file:s0,relatime,uid=1000,gid=1000,fmask=0337,dmask=0227,codepage=cp437,iocharset=iso8859-1,shortname=lower,errors=remount-ro 0 0 /dev/block/platform/msm_sdcc.1/by-name/mdm /firmware-mdm vfat ro,context=u:object_r:firmware_file:s0,relatime,uid=1000,gid=1000,fmask=0337,dmask=0227,codepage=cp437,iocharset=iso8859-1,shortname=lower,errors=remount-ro 0 0 /dev/block/platform/msm_sdcc.1/by-name/system /system ext4 ro,seclabel,relatime,errors=panic,data=ordered 0 0 /dev/block/platform/msm_sdcc.1/by-name/userdata /data ext4 rw,seclabel,nosuid,nodev,noatime,discard,journal_checksum,journal_async_commit,noauto_da_alloc,data=ordered 0 0 /dev/block/platform/msm_sdcc.1/by-name/cache /cache ext4 rw,seclabel,nosuid,nodev,noatime,discard,journal_checksum,journal_async_commit,noauto_da_alloc,errors=panic,data=ordered 0 0 /dev/block/platform/msm_sdcc.1/by-name/efs /efs ext4 rw,seclabel,nosuid,nodev,noatime,discard,journal_checksum,journal_async_commit,noauto_da_alloc,errors=panic,data=ordered 0 0 /dev/block/platform/msm_sdcc.1/by-name/hidden /preload ext4 ro,seclabel,nosuid,nodev,relatime,data=ordered 0 0 /dev/block/platform/msm_sdcc.1/by-name/persdata /persdata/absolute ext4 rw,seclabel,nosuid,nodev,relatime,data=ordered 0 0 /data/media /mnt/shell/emulated sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB 0 0 /data/privatemode /mnt/shell/privatemode sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1000,gid=1000,derive=none 0 0 /data/knox/sdcard /mnt/shell/knox-emulated sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1000,gid=1000,derive=none 0 0 tmpfs /storage/emulated tmpfs rw,seclabel,nosuid,nodev,relatime,mode=751,gid=1028 0 0 /dev/block/vold/179:33 /mnt/media_rw/extSdCard vfat rw,dirsync,seclabel,nosuid,nodev,noexec,noatime,nodiratime,uid=1023,gid=1023,fmask=0007,dmask=0007,allow_utime=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0 /mnt/media_rw/extSdCard /storage/extSdCard sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=unified 0 0 /data/media /storage/emulated/0 sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB 0 0 /data/media /storage/emulated/legacy sdcardfs rw,seclabel,nosuid,nodev,relatime,uid=1023,gid=1023,derive=legacy,reserved=20MB 0 0 root@jflte:/ #

        
       
       

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