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Redmi Note 5/Pro

[Q&A] Micro SD card issues after Pie upgrade (bug?)

2019-06-10 18:38:23
4473 78
Hi all,

I found issues after the Pie upgrade when using the external micro SD card. It became extremely slow.

It's especially noticeable when recording videos. The camera app notifies that it became unresponsive. It happened once that I ended up with a .tmp file instead of .mp4.

Try moving or deleting files, it's the same. It takes forever to finish. I see this for an unreasonable amount of time:



The card has an exFAT file system. I mounted the card on a laptop and there were zero issues found by fsck. I moved and deleted files, it was snappy. On the phone I also had zero problems right before upgrading, I backed up the internal storage and it was quick. Now I see the following for a good amount of time when rebooting:



An additional problem is the card is not useable from the second space. From the File Manager app I can see the files, but I can't manipulate them. From other apps I can't see the card at all.

The only related information I found so far is this one from the old Pocophone forum:
https://en.miui.com/thread-4915620-1-1.html

I tried moving somewhere else around 2000 files of the 2300 I had in the /DCIM/Camera directory. It helped, but it didn't fix it.

Did you also face the problem? Do we need to wait for the next update for the fix or is there any solution? The workaround meanwhile is using the internal storage for photos and videos.
2019-06-10 18:38:23
Favorites10 RateRate
Same issue - after upgrade to android 9, stock camera takes very long time to save vidoes to sd card.
i installed open camera app instead and its a good workaround for now. (it save on sd card very fast)
2019-06-11 06:19:22

Advanced Bunny

Zaqm | from Mi Note 3

#2

Try to format the sd card while it's inserted in phone. Backup all data before that.
2019-06-11 08:59:50

Pro Bunny

Marcos1809 Author | from Redmi Note 5

#3

Galve
Same issue - after upgrade to android 9, stock camera takes very long time to save vidoes to sd card.
i installed open camera app instead and its a good workaround for now. (it save on sd card very fast)

It looks fast, but sometimes it's not actually saving it. Create a lot of files (for example, take many photos) and try to delete them with the native file manager in Android. You'll see that it's fast, but when you check it afterwards you'll find that these files weren't actually deleted. Like with the Pocophone, it seems something went wrong with the external card management. I wouldn't recommend anyone to upgrade since this is beyond an annoyance, it's major (it can lead to data loss).
2019-06-11 09:00:35

Pro Bunny

Marcos1809 Author | from Redmi Note 5

#4

Zaqm
Try to format the sd card while it's inserted in phone. Backup all data before that.

The card is fine, I extensively checked it on a Linux PC. I started by running fsck for exFAT (it can't fix, but it can detect errors) and I carried out other read/write tests. I'll try to grab a Win10 PC to run chkdsk and see if there's any problem in the exFAT file system, but initially there isn't any. It started right after the upgrade, in the first reboot I already saw the "checking card" message. It was also working perfectly fine right before, just minutes before I downloaded the upgrade, several GB backed up on the card in a normal amount of time and I rebooted afterwards to upgrade on a clean system, seeing no message and observing no delay. Bear in mind that while mobiles aren't any speciality, I'm a sysadmin mainly specialised in enterprise backup&recovery, consumer storage devices aren't unfamiliar to me despite its differences and I take precautions beyond normal users, I also can troubleshoot in more extensive ways. This isn't hardware. This is a problem at the OS level, but I can't say where, because I'm clueless about Android innards.
2019-06-11 09:19:18
Oreo does work fine with exFAT, Beta Pie did not support exFAT, right? Does Stable Pie support exFAT file System?

Suggestion:
Format SD card to Fat32 file System and give some feedback.

2019-06-11 09:46:13

Advanced Bunny

Zaqm | from Mi Note 3

#6

Marcos1809
The card is fine, I extensively checked it on a Linux PC. I started by running fsck for exFAT (it can't fix, but it can detect errors) and I carried out other read/write tests. I'll try to grab a Win10 PC to run chkdsk and see if there's any problem in the exFAT file system, but initially there isn't any. It started right after the upgrade, in the first reboot I already saw the "checking card" message. It was also working perfectly fine right before, just minutes before I downloaded the upgrade, several GB backed up on the card in a normal amount of time and I rebooted afterwards to upgrade on a clean system, seeing no message and observing no delay. Bear in mind that while mobiles aren't any speciality, I'm a sysadmin mainly specialised in enterprise backup&recovery, consumer storage devices aren't unfamiliar to me despite its differences and I take precautions beyond normal users, I also can troubleshoot in more extensive ways. This isn't hardware. This is a problem at the OS level, but I can't say where, because I'm clueless about Android innards.

Te card is probably not faulty since it worked on Oreo.  Maybe the filesystem is not right. That's why I suggested to format it while it's still in phone.
2019-06-11 10:21:19
This guy started using another file manager and it worked out.

https://c.mi.com/thread-2211076-1-0.html

Unfortunatelly he did not anwser to my questions.
2019-06-11 10:30:57

Pro Bunny

Marcos1809 Author | from Redmi Note 5

#8

coelhoAJc
This guy started using another file manager and it worked out.

https://c.mi.com/thread-2211076-1-0.html

It was my first attempt, I actually use the native Android file manager: https://play.google.com/store/apps/details?id=net.konos.createshortcut
However, as I described above, the operation looks fast. In reality it isn't. It's as slow as with the Xiaomi File Manager. Example: take 20 photos. Delete them all at once with the Android file manager. It looks fine. But then go to the Xiaomi File Manager. Some of the files are still there. That's why it's
not a file manager issue or a hardware issue. It's an OS-level issue.
2019-06-11 11:52:36

Pro Bunny

Marcos1809 Author | from Redmi Note 5

#9

coelhoAJc
Oreo does work fine with exFAT, Beta Pie did not support exFAT, right? Does Stable Pie support exFAT file System?

Suggestion:

I'll review if Pie supports exFAT, but it should (like, come on!).
2019-06-11 11:54:49
Marcos1809 replied at 2019-06-11 16:54:49
I'll review if Pie supports exFAT, but it should (like, come on!).

Of course it should.
I did not upgrade to Pie yet just because Oero runs smoothly and i like to use files larger than 4GB in my SD.
I was waiting for feedback and it seems i did the right thing, PIE does not Support exFAT.

@Marcos1809 did you already try use fat32 file system?
https://en.miui.com/thread-6173584-1-1.html
2019-06-11 12:02:53
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