for those with 2.2 lag - Captivate General

searched forums for days for an answer and couldn't find one. Found my solution and figured I'd pass it along. had a 2.2 device, but suffered from random shut downs. Went through 2 additional units, and noticed successive lag with each device in general homescreen switching, games, and tried all solutions I could find except rooting/lag fix. With my fresh new device, I went to 2.2 and experienced the lag. My original device had none and many other devices ran fine. Its the sd card. I had an external, since I put it in an external card reader, wiped it out, formatted the card and put it back in the device the phone runs lightning fast. 2.2 should have no lag at all, this this device doesn't. Give it a shot.

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Severe system lag with CM

Hi,
I could do with some help relating to severe lagging with Cyanogenmod.
I've been a (very) happy Cyanogenmod user for a few months now on a rooted HTC Magic. Some time during December I upgraded to CM 4.2.10.1 (the one with the ext2 bug). This severely slowed down my phone, so I jumped onto xda-dev to see what was up. After reading about the ext2 bug, I decided it was time to partition my SD card, so I created a linux-swap, a ext2 and a FAT partition, then upgraded the ext2 to ext3. Next time I turned on the phone, apps2sd kicked in in the background and I was again a happy CM user.
The next day I was trying to move a file onto my phone from someone else's SD card, so I popped out my own one with the phone on - unaware that I REALLY shouldn't do this. Shortly afterwards, my non-standard apps all started disappearing and the phone started to play up. Realising that apps2sd had moved everything to the SD card I put mine back in and restarted the phone. Unfortunately it seems I'd already corrupted permissions for the apps, so after backing everything up I decided to wipe the phone and reformat the SD card with only a linux-swap and FAT partition so I didn't have this issue again.
After the wipe everything seemed to work very well for a while after reinstalling all my apps, however after a few days things started to slow down again. It's now been 2-3 weeks and even with all the CM updates the phone still lags most of the time although the speed varies. Restarting the phone sometimes helps for a short time, but I often get 'System: Force Close/Wait' screens just after turn on. Flashing new versions of CM does speed things up more after reboot but the performance quickly degrades again.
I could try another wipe, however seeing as the problem came back after trying last time I thought I'd ask for some advice with my problem as I don't want to reinstall everything only to be back to where I am now.
Any advice is greatly appreciated!
Thanks,
Paul
Food for thought : ive tried using cyanogen since ive got my magic, and it was always like this (Tried .12.2 and .13). And i've never even tried using app2sd. I asked the gang down in irc, they told me to get some bacon :/
OR you could have a damaged sdcard, badsectors and all. Try not using apps2sd for a while.

problems with files disappearing from sd card.

ok so I have been having a problem with various types of files disappearing from my sd card. I first noticed it last week, with some apps disappearing. I knew only because the links in my home screen folders were replaced with the stock android pic. then today, I noticed all my ~9gigs of music was gone, as well as all my pictures.
I can think of only 2 explanantions. one is that this is root related, as 3 or 4 days before the first problem, I rooted with this method:
http://forum.xda-developers.com/showthread.php?t=1064257
but I never installed any custom roms or anything. second possibility, is that the sd card I had was bad. I am switching to a different one at the moment, so we can at least see if that does anything. in the meantime, does anyone know what the problem may be, possibly even a solution?
I did a search or two, and it seems there have been scattered problems like this with various android phones for a long time, although I never saw that anyone found the problem, or solution.
Its either your SD card or phone hardware related.
Sent from my HTC Glacier using XDA App
Have you made sure you checked both internal memory AND external SD card?

[Q] Apps on SDcard go missing? usually??

Is anyone running into a problem with apps that have been moved to sdcard just disappearing? Most of the time I see little green droid icons all over my launcher (ADW), and lots of missing apps in the app drawer. I can reboot several times and eventually all show up.
I'm running ee4_debloated-v421 / 0730_charge_voodoo kernel / sdcard_patch. Am on my second handset (first one had a clicky button go dead). The earlier handset occasionally did the same thing.
I presume the sdcard is the culprit, as it is the common element. But I have popped it out, run fdisk and defrag all with no errors.
Any theories??
I had this happen when I first got my charge. How I fixed it was I took the SDCard out of my phone and put it into my flash media reader, and then did a full format using HP's Format tool with default device settings. It took a long time to do the full format, but after doing so, I didn't have any more issues with apps disappearing that were installed to the SDCard.
Full format, huh... (gulp) well it's certainly worth a try! I'll report back.
Thanks,
Larry
ljcorsa said:
Full format, huh... (gulp) well it's certainly worth a try! I'll report back.
Thanks,
Larry
Click to expand...
Click to collapse
I know when the phone first came out, there were several users with SDCard problems. I'm not sure how others fixed them, but a full format and a half hour or so fixed mine
Well, I'm disappointed to report that the problem did not disappear :-( Could it be the contents? I copied *everything* from the card before full formatting with the HP tool (which tooks hours as you said), then copied it all back. Same result... if I reboot enough times it will come up with all apps showing.
I've ordered a Class 10 card. Plan to use the HP tool on it straight away. What else would you recommend? Maybe move all the apps back to the phone? Would you start from a fresh load of the ROM?
Many thanks,
Larry
ljcorsa said:
Well, I'm disappointed to report that the problem did not disappear :-( Could it be the contents? I copied *everything* from the card before full formatting with the HP tool (which tooks hours as you said), then copied it all back. Same result... if I reboot enough times it will come up with all apps showing.
I've ordered a Class 10 card. Plan to use the HP tool on it straight away. What else would you recommend? Maybe move all the apps back to the phone? Would you start from a fresh load of the ROM?
Many thanks,
Larry
Click to expand...
Click to collapse
I know that DroidXcon over in the Android Central forums advises NOT to move apps over to the SDcard because of problems like you have experienced...the higher (class) speed card may help. I've noticed that on my stock class 2 card when I view a subdirectory that contains large wallpaper files using QuickPic or Gallery, the thumbnails will often "time out" and not display towards the end of the list unless I refresh the listing several times. I would assume it is for the same reason that recording video to the class 2 card will time out after a few minutes.
Good luck with the Class 10 card...keep us posted!!!
Well, the Class 10 arrived in time to try again, so formatted with HP Utility and copied all the saved files over. Same behavior.
If it's the sheer quantity of apps on the SD card and there is a timeout involved, that might explain it! Reformatting the card would effectively defrag it which would speed it up, perhaps explaining imnuts' observation. And if reading in all those apps at startup is not I/O bound but maybe CPU bound, that would explain my experience.
I'm going to try moving apps back to the phone just to see.
Wow, this is persistent. Moved all the apps from SD back to phone using TiB, which seemed to hang sometimes. Tried different access methods with no clear winner. Anyway, after a reboot, the situation was unchanged. Unreal.
So I am starting from scratch with a freshly-formatted Class10 card, a full data/cache wipe, and a new ROM: GummyChargedFE1.9.1. Haven't had a problem yet, but haven't restored anything to SD either. Proceeding cautiously.
Ok, I'm converted. GummyChargedFE1.9.1 solved this problem. Everything seems to run better. Added the V6 SuperCharger thing which tweaks minfree levels and much more, and the combination runs extremely well.
Biggest problem for me is that I'm satisfied... spent the last two years trying to get my "original" Droid to run well, then got the Charge, started over. What do I do for an encore?
Fast Boot option may be the culprit
In case anyone is following this old thread ...
I did not need to install a new ROM
CUT TO THE SOLUTION BELOW -- SEARCH FOR ////
Some (not all) of my apps moved to SD (all by Titanium Backup Pro) have begun to disappear and (sometimes) reappear without warning after I began to add and delete large Virtual Machines created in QEMU from my 16GB SanDisc class 10 microSD card on my HTC Droid Incredible running rooted stock Verizon Android Froyo 2.2.3. I know this thread is far from my phone's "home base", but from what I can tell this problem with disappearing apps located on an sdcard is NOT determined by hardware or even Android version.
I also happen to use LauncherPro by Federico Carnales instead of the built-in HTC Sense launcher. I noted elsewhere on XDA that a user had suggested that because at least some (maybe all) launchers start before the SD Card that this may be a problem, especially if changes are made to the sdcard that the launcher did not perform, or was not active during their performance by other apps such as Titanium Backup. That fits my situation, because I unmounted the SD, physically removed it to a PC, and added/deleted large VM files to save (lots) of time. No problems of this sort before I did this, so there must be some connection.
I noted that other users have tried reformatting SD, substituting different brands of SD, using newer/older SD etc. None of these reliably helped. So I skipped these options.
//// The (simple!) solution I tried that SEEMS to work (only time will tell!) is buried in the main Android Settings (accessed from the Menu button while in Home screen). Under "Applications" there is a setting "Fast Boot" that I checked long ago and forgot about (it seemed like a good thing to do at the time). The text warns "Turn off to use some Market apps" (that shows the age of my 2-yr old used phone and Android OS -- ohmygosh!-- because it refers to Market rather than Google Play Store!) Anyway, I unchecked the option and rebooted the phone.
Yes, it took a bit longer to boot (maybe a whole minute!), but after waiting about another minute ALL my home screen apps had normal icons and loaded properly. Titanium Backup Pro batch scenarios confirmed there were no apps in a forced uninstalled state (i.e. I had not done the deed, the system somehow had done it or at least rendered the apps "invisible" to Titanium, which decided they needed reinstallation).
The only odd behaviour was that auto brightness was turned off after I unchecked Fast Boot and rebooted. Going into Android Settings > Display and rechecking "auto brightness" took care of that. No other oddities or strange behaviours thus far (but it has only been about an hour).
I will report back here on this thread only (Samsung Fascinate > Fascinate Q&A > What just happend? apps on sdcard) if anything else requires reporting. Silence implies success!
link: http://forum.xda-developers.com/showthread.php?t=1873670
(I am copying this post to other relevant threads, but will not post anything further elsewhere -- only there. This is a bit arbitrary (although this thread appears to be the most recent active one on this topic), but I hope this approach pleases the XDA sysops/admins) :angel:

Gameboid and SD Card dilemma

hey guys,
i have an irritating problem on my LGP500 (v2.2.1 Froyo), i had this phone for over a year now, but recently when i tried putting 2-3 videos on my sd card, only one would then freakishly appear. After a few PRIVACY reset (as well as SD Card Reformatting), the problem didnt go away. (i did not know the cause of that problem but it wasnt the video, had successfully transferred them before).
I had this problem a couple of months ago but after a reformat it usually was solved but not this time. Also, after the reformat my gameboid just crashed on me. No message whatsoever. Just clicked on a game then *boom* i'm back on my homescreen. I had this game for months now, never had this problem. So i decided to try to update my phone to 2.3.3 Gingerbread then root it via this method http://forum.xda-developers.com/showthread.php?t=1200167.
The problem with the videos disappearing was fixed but still the gameboid dilemma persists. So i tried, i searched, tried different bios, tried different versions (from 1.8-3.0.11) still no luck. Tried different roms that were compatible and still no damn luck. Im getting quite irritated, hopefully anybody can help.
Also, my 2.2.1 phone was rooted the whole time before that problem appeared, (also tried to unroot --> reformat) so i think my root isnt the problem.

Corrupted MP4s on microSD causing random reboots

I have had a 64GB stock TF700T and dock for over a year now and other than having a digitizer replaced under warranty, it has been relatively trouble-free – I‘m one of those lucky owners not having severe lag problems, etc. But recently it started rebooting randomly several times a day, even occurring when in sleep mode. I tried a number of different things to isolate the issue but the only thing that appeared to work was removing and leaving out the 64GB SanDisk microSD card. It was formatted exFAT so I copied the files off of it and reformatted it as NTFS and copied the files back to it and put it back in. Still got reboots. That’s when I noticed that the PC copies of two of the mp4 videos I copied back on to it did not show picture-based thumbnails and when I tried to play them, media player said there was a problem with them. I deleted them from the microSD card and now, 40 hours later, I have yet to see a reboot. I can’t prove it, but I think the files were originally corrupted when copied from my PC to the card in the tablet.
Anyone see similar problems?
Dave
A follow-up: This seemed to only reduce the frequency of reboots, not eliminate them. I came across some discussions from the Sept timeframe regarding reboots associated with Chrome Beta, which I had installed recently. I uninstalled this and have now been running for 70 hours without an issue.

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