Related
hello all,
i have updated to 2.3.4 jvp from js3 telenor
all is fine, battery usage is much much better, no laggs, and no FC/FR..
i have turned on the bluetooth once set the name, and turned it off....
after i rooted and brought backups back,i cant use BT anymore. it just stands and turning on for a min or two, and than goes to TURNED OFF state...
update on the issue: i have recently de-odexed the phone, and the BT worked fine again for the first 3-4 initializations and than it hangs again in the way described above.
any help? any ideas?
i'm willing to try loading a custom modem or kernel to the phone to see if it helps, but as im new to this and didnt quite find the info im looking for. browsing for hours, (and i did ask in some threads to no avail.)
Will loading a custom modem/kernel wipe my data?
is there a solution perhaps?
ty again in advance
Edit: sorry wrong post
You're probably using a custum kernel.
Revert to stock kernel and BT will work
Or you can try my modified stock kernel where BT works fine
i think it is a custom kernel, as it came with CWM. Could it be the CWM thats causing this ?
is ur modified stock kernel rooted?
i would hate to loose cwm backup functions , can it be installed after?
and most important question: Will loading a custom modem/kernel wipe my data?
EDIT: just saw this in CWM
Current Kernel: CF-Root 3.7
There have been problems with CF-Root kernel and Bluetooth. I had the exact same thing.
Take a look at the CF-Root thread
System Specs: Galaxy S4 Canadian i337m OTA 4.3 (jfltecan), carrier is Bell, stock Samsung firmware, stock kernel (use wicked rom 9.1 sometimes too)
WARNING:
lot's of reading so go grab a coffee and have a cigarette before you sit down to read this, you'll probly be here for awhile
The rom/fix in question: MDOB rom/i337m fix - here's a link to both.
http://forum.xda-developers.com/showthread.php?t=2280556
first off i'd like to mention this phone was 100% perfect on stock Samsung rom 4.2.2 using Ktoonsez KT-SGS4 kernel for many months, until the day I installed this dreaded MDOB 4.2.2 rom and the "fix" that came with it
everything went bad on me back while I was running 4.2.2 stock unlocked boot loader and could never get it back to normal so this isn't a issue caused by 4.3 knox or 4.3 itself that i'm currently using. (i'm stuck on 4.3 roms but had this issue way before 4.3 existed)
i'm having an extreme amount of issues AFTER installing the MDOB rom, even after changing rom back to stock (flashed back to stock rom with ktoonsez kernel which is what I was using before I installed MDOB rom and phone has been royaly screwed ever since that day) more specifically I think it happened from the "i337M fix" that's included with the rom, either way after installing this rom I've never been able to get my phone back to normal.
everything runs fine except until I install a custom kernel (Ktoonsez KT-SGS4 kernel) then all hell breaks loose.
I don't blame the kernels or my current rom since I've ran this before for many months until the day i installed MDOB rom on my phone my phone was a dream machine.
issues since this rom has been installed include:
Issues:
A. RANDOM SLEEPS OF DEATH (phone shuts off or freezes)
B. random freezing while trying to turn on phone or enter recovery
C. some kernels won't work proper (specifically ktoonsez KT-SGS4 kernel) example gpu stuck at max while idle and downclocking when screen is touched with this kernel
D. wifi won't work with custom kernel on stock 4.3 rom without build prop edit to ro.securestorage.support, although it should
E. weak wifi and mobile signals
F. bad battery life
G. bad call quality
H. More that I can't remember off the top of my head
here's my flashing process, in attempts to remove as much as possible:
I know a few of these steps are probly pointless but hey can't blame me for trying.
step 1. enable usb debugging & unknown sources
step 2. install root & recovery
step 3. fresh boot phone let files settle so they can save (5mins or more) then plug into computer while turned on and delete everything
step 4. reboot into TWRP recovery (version 2.6.3.1) and clear everything, full advanced wipe, factory reset, format data than clear cache/dalvik afterwards just to be sure
step 5. remove SD card plug into computer and format to make sure there's nothing
step 6. install rom
step 7. (sometimes) clear cache/dalvik/permissions after rom install, although fix permissions seems to break my permissions rather than fix them or maby my permissions just break during flashing and I just can't fix them (haven't tested enough to be 100% sure)
i'm SOOO temped to try a full nand erase since i noticed there ARE still lot's files on my phone directory even after wiping, but i know that isn't a good idea;(
once stock kernel is back on my phone these issues are all gone.
Ktoonsez says it's not his kernel (used to work before, so i have no reason not to believe him), he says it's the rom well i'm on 100% stock Samsung rom (exception of kernel) and the rom was built to act the way it does so you can't really blame the rom so who do i blame??
until i went to go try wicked rom and flash back to stock I didn't realize these things were still on here, but now they emerge! wicked rom was giving me some (unrealated?) issue so i decided ima go back to stock so i flashed stock rom via odin (pc) and right away i noticed the 4G symbol, Samsung wallet, desktop not setup proper (no shortcuts) this ONLY happens when switching from wicked rom to stock rom on the first flash, i flash again everything looks how it should, and in order to get it to do this again i have to flash back to wicked rom and flash stock rom again and BAM it happens.
i knew my issue started on the same day that i installed this MDOB rom but after doing a full wipe and MANY "fresh" stock rom installs later i stopped questioning the rom and just lived with a crap phone that reboots itself all the time and has bad battery life, AS SOON AS I SEEN THE SAMSUNG WALLET bam it hit me like a truck, IT WAS THE MDOB ROM INSTALL.
UNLESS stock Samsung rom comes with wallet preinstalled and hidden on stock/wicked roms than the ONLY other way it coulda got on my phone is from the MDOB rom.
I can wipe/delete/factory reset/flash with twrp & odin on pc all I want, my roms are still messed up after FRESH installs. I believe there is still left over files from this rom/fix, I didn't think there would be anything until I noticed when i'm flashing from wicked rom back to complete stock rom using odin on pc I experience things from MDOB rom (while It should be 100% stock after odin (pc) flash, but it's not)
after the first flash from going from wicked rom back to stock I always experience the following "bug" i'll call it a bug since these things ALL HAPPEN AT THE SAME TIME: once I flash AGAIN all these symptoms go away until I go back to wicked rom and flash back to stock rom than right there after this first flash going from wicked rom BACK TO stock ALL these symptoms come back until I flash stock firmware AGAIN, a second time (even though I just flashed it)
Symptoms:
1. Samsung wallet appears in my apps (this was only EVER on my phone once, when I had the MDOB rom on my phone), this thing shoulda never somehow appeared back on my phone in any way shape or form after ditching the MDOB rom, but again is comes back after the first flash going from wicked rom to stock rom.
2. I get the 4G icon from MDOB rom (not the LTE icon I SHOULD have while on stock, when on wicked rom I have a little LTE icon with a tiny 4G above it, the only time I've ever had just a 4G icon (without LTE) like this is when I had MDOB rom on my phone (which is the only other rom I've run other than wicked rom and stock rom).
3. this icon ONLY shows up after the FIRST flash from wicked rom back to stock, once I install stock AGAIN than it returns to it's normal LTE icon.
4. now i'm not just *****in about an icon here, this is just a part of my problem (indicator if you will), when my rom is "bugged" after first install from wicked rom to stock rom my wifi works normal how It used too. but once corrected (flashing again) AND using custom kernel on STOCK firmware it breaks my wifi 100% broken until I use this little build prop edit fix, set ro.securestorage.support = true to false, bam wifi now working but the rest of my problems are still there (wifi used to work 100% on custom kernels and everything until MDOB rom touched my phone and left this "bug" behind)
5. when this 4G icon appears after this "first" flash back from wicked rom to stock rom I also experience something else, my wifi button works during first boot setup and auto enables itself and I have no issues with my wifi connecting (as soon as I see this toggle on I already know once my phone locks onto the network it's gonna give me a 4G icon and not an LTE icon like it should and sure as shiznit it does, as soon as I get my icon back to how it's supposed to be (LTE icon) all of a sudden wifi won't auto connect on a first boot anymore, never, 100% never. (back before installing MDOB rom I used to auto connect 100% of the time on first boot) like it does now only when it's "bugged" out.
6. apps are missing, when this "bug" appears there's no app shortcuts on the desktop of my phone by default after fresh flash like there should be, sometimes they appear on first flash once in awhile (some apps might not even be installed? or just shortcuts missing, have yet to verify)
7. it feels like the phone flashes way too fast (second flash takes longer, I think?) and more/all? apps get installed on second flash, and Samsung wallet get's REMOVED (how'd it even get there? other than bein left behind from MDOB rom, same with the 4G icon, that icon isn't in either of the two roms I use so how does it get there? and ONLY at the same time the wallet magically appears and the rest of this stuff)
8. when this 4G icon appears my phone seems to be great except for the fact that I know my rom didn't install properly since i'm still missing apps ect, once I flash again, apps appear, Samsung wallet DISappears, 4G icon gets replaced with LTE icon and everything is A-OK until custom kernel is installed, remember this is NOT the kernels fault as it ran 100% perfect for many months ON THIS PHONE until the day this MDOB rom was installed, and it's had these issues ever since.
some of the things I've tried:
- Countless wipes, including full advanced wipe, restore to factory, data wipes
- Ton's of fresh installs of BOTH versions of 4.2.2 - now doing same with 4.3 and wicked rom 9.1
- Tried wiping using TWRP and odin mobile (flashed mobile odin via TWRP, it works incase anyone didn't know)
- Tried flashing roms using odin (pc) v1.85, v3.07, v3.09
- Downloaded new copys of roms from new sources to make sure my roms weren't corrupted in anyway
i'll hopefully edit this post and get some pics up soon and simplify my text to help you guys better understand my situation and i'll also add a list of things I've tried to fix this problem when i have time.
any thought would really be welcome, there's sooo many of us s4 users with random sleeps of death, i'm sure if we could fix this it would help out a lot of S4 users.
thanks, dustin
Amb669 said:
System Specs: Galaxy S4 Canadian i337m OTA 4.3 (jfltecan), carrier is Bell, stock Samsung firmware, stock kernel (use wicked rom 9.1 sometimes too)
WARNING:
lot's of reading so go grab a coffee and have a cigarette before you sit down to read this, you'll probly be here for awhile
The rom/fix in question: MDOB rom/i337m fix - here's a link to both.
http://forum.xda-developers.com/showthread.php?t=2280556
i'll hopefully edit this post and get some pics up soon and simplify my text to help you guys better understand my situation and i'll also add a list of things I've tried to fix this problem when i have time.
any thought would really be welcome, there's sooo many of us s4 users with random sleeps of death, i'm sure if we could fix this it would help out a lot of S4 users.
thanks, dustin
Click to expand...
Click to collapse
Have you tried to flash the stock firmware in Odin. You can get it off the Samsung Updates site.
The guy who puts MDOB together generally makes great rom's. If everyone had the same issues then no one would use it... you really could have gotten a bad download, user error somewhere or one of many other problems.
With apps' just "appearing" are you certain once you log into your google account that it not set up to automatically start downloading apps ?
hednik said:
Have you tried to flash the stock firmware in Odin. You can get it off the Samsung Updates site.
The guy who puts MDOB together generally makes great rom's. If everyone had the same issues then no one would use it... you really could have gotten a bad download, user error somewhere or one of many other problems.
With apps' just "appearing" are you certain once you log into your google account that it not set up to automatically start downloading apps ?
Click to expand...
Click to collapse
don't get me wrong, i'm sure it's a great rom but my battery drain was worse than stock so I went back to stock, I REALLY appreciate his hard work towards our community. I just dislike what it possibly did to my phone is all.
and I don't have issues with the MDOB rom itself, it's AFTER that rom has been on my phone EVERY other rom ever since then now has issues in some way shape or form, no matter what I do.
if it's user error I put down the steps on how I flash in OP, I dunno what's going wrong
i'm gathering screenshot's to better show my situation.
I am 100% positive GAPPS is NOT installing anything after rom installs (I don't connect to wifi until after setup is done spacificlly to prevent this from happening, my rom just flashes this way (only on first flash from wicked rom going to stock rom) once I flash again a second time my symptoms part goes away and I get the issues part of my OP
if i'm on wicked rom and flash to stock = symptoms listed above
if i'm on stock rom and flash to stock = issues listed above
I can replicate this problem all day long.
I've flashed his rom on and off. Never had the issue. The rom doesn't invade anything a full wipe wouldn't cure. If it doesn't full wipe then it's the recovery. It helps once in awhile if you Odin back to stock or even copy your sdcard contents and format your sdcard to make it fresh. read up on it first.
Sent from my SGH-I337 using Tapatalk
---------- Post added at 01:45 PM ---------- Previous post was at 01:44 PM ----------
Also I recommend doing 9 wipes when swapping roms. It sound ridiculous I know but I do it and have never had issues.
Sent from my SGH-I337 using Tapatalk
Amb669 said:
don't get me wrong, i'm sure it's a great rom but my battery drain was worse than stock so I went back to stock, I REALLY appreciate his hard work towards our community. I just dislike what it possibly did to my phone is all.
and I don't have issues with the MDOB rom itself, it's AFTER that rom has been on my phone EVERY other rom ever since then now has issues in some way shape or form, no matter what I do.
if it's user error I put down the steps on how I flash in OP, I dunno what's going wrong
i'm gathering screenshot's to better show my situation.
I am 100% positive GAPPS is NOT installing anything after rom installs (I don't connect to wifi until after setup is done spacificlly to prevent this from happening, my rom just flashes this way (only on first flash from wicked rom going to stock rom) once I flash again a second time my symptoms part goes away and I get the issues part of my OP
if i'm on wicked rom and flash to stock = symptoms listed above
if i'm on stock rom and flash to stock = issues listed above
I can replicate this problem all day long.
Click to expand...
Click to collapse
Just odin back to stock and set if that clears things up. It should solve any odd problems. The thing with flashing rom's is that someone's issues cannot always be replicated.
Going back to Odined stock will take it back to factory stock then do a factory reset in stock 3e recovery and you should be fine
Guys, everytime I flashed an AOSP based Rom like Carbon on my hltexx, nobody can call me and I also can't call someone else. If I dial a number, the connection seems to break instantly but my mom told me, she got my calls but didn't hear anything. I'm also unable to change or view the access points.
Stock based Roms like Omega work correctly.
WTF am I doing wrong? :crying:
Additional Infos:
>SMS and Internet work.
>3G because my provider (Drei, Austria) is retarded.
>Android 4.4.2
>restoring an old EFS backup didn't solve the problem
>APN seems to be correct
Have you tried a custom kernel like temaseks kernel?
Sent from my SM-N9005 beast of a phone.
Sammath said:
Have you tried a custom kernel like temaseks kernel?
Click to expand...
Click to collapse
Not yet. I'll flash CM now and try a few kernels and will post the results later.
Btw here is one with the same problem.
I tried some kernels for hltexx, but everything I got was bootloops or a starting system with the same problem ;_;
Have you ever Flashed a newer rom(Sammy official) or updated your modem firmware?
Sent from my SM-N9005 beast of a phone.
Sammath said:
Have you ever Flashed a newer rom(Sammy official) or updated your modem firmware?
Sent from my SM-N9005 beast of a phone.
Click to expand...
Click to collapse
Yes, I updated from 4.3 to 4.4.2 via odin and used the stock images for my provider. Everything worked as it should, only aosp roms had problems.
A few days ago I installed PAC again after flashing the newest stock .tar.md5 and tried the whole evening many different configurations in apn and other connection related settings. Nothing worked and i restored them all. On the next day I got a call. I couldn't explain it, but i was able to start phone calls too. With just one problem: When I call someone I lose the control over the whole Touchscreen and the buttons, so the only way to end a conversation is a hard reset via holding the power button.
I'm not sure, but I have the theory that the RIL file isn't compatible to the modem. Where can I find some RILs?
Another strange fact is, that everytime I flashed an AOSP, i formated the device via TWRP to erase all the bloatware and then made a full wipe. But last week I forgot to format the storage. Guys, was I really everytime this stupid and simply wiped the RIL partition away?
Model number?
Firmware you have upgraded to (4.4.2)?
Tried changing recovery, Wipe System, wipe cache, data, then flash the ROM fresh. boot into it, head to Settings > about and check if you have lost Baseband and/or Serial Number/IMEI - then we'll figure it out for you
radicalisto said:
Model number?
Firmware you have upgraded to (4.4.2)?
Tried changing recovery, Wipe System, wipe cache, data, then flash the ROM fresh. boot into it, head to Settings > about and check if you have lost Baseband and/or Serial Number/IMEI - then we'll figure it out for you
Click to expand...
Click to collapse
Sorry for answering so late. Changing every password after heartbleed took much time.
My model number is SM-9005
Even with a CWM based recovery and after a wipe with a complete reinstall I get the same problem.
IMEI and Baseband (N9005XXUENB1) are still here.
Hello guys, after I flashed a custom rom my phone went into a bootloop. I decided to flash stock , via odin. After I flashed the stock rom for my region (open european) I got many FC messages , the phone was unusable.
I started digging and flashing roms. Now I have i9505xxugng8 which is a nordic country rom.
When I try to open wifi , the button gets green for one second but then it stays deactivated.
1. Tried to remove battery
2.Tried to delete the wpa_supplicant.conf file from /data/misc/wifi or /system/etc/wifi
3.Tried the non-hos bin.
Nothing worked. I'm desperate.
baghy said:
Hello guys, after I flashed a custom rom my phone went into a bootloop. I decided to flash stock , via odin. After I flashed the stock rom for my region (open european) I got many FC messages , the phone was unusable.
I started digging and flashing roms. Now I have i9505xxugng8 which is a nordic country rom.
When I try to open wifi , the button gets green for one second but then it stays deactivated.
1. Tried to remove battery
2.Tried to delete the wpa_supplicant.conf file from /data/misc/wifi or /system/etc/wifi
3.Tried the non-hos bin.
Nothing worked. I'm desperate.
Click to expand...
Click to collapse
Try this steps
1. Rooted ! Open root explorer > System > Build.prop change this in the build.prop:
ro.securestorage.support=true TO ro.securestorage.support=false Save , Reboot
2. Either flash a diff kernel.
Have a nice day.
Hello repulsa, i Tried your method but it didn't work
It may be a hardware problem? But I've never dropped it
Tried hard reset?
Send from my Galaxy S4 using Tapatalk
Yes I tried.
Problem solved , I flshed a cm11 based rom with a custom kernel and everything works
baghy said:
Yes I tried.
Problem solved , I flshed a cm11 based rom with a custom kernel and everything works
Click to expand...
Click to collapse
I think you should fully wipe in the custom recovery before flashing the stock rom with Odin.
baghy said:
Yes I tried.
Problem solved , I flshed a cm11 based rom with a custom kernel and everything works
Click to expand...
Click to collapse
i might try this however.. im having trouble with the bluetooth and not on the wifi toggle/module. are you using the M9 build or the nightlies?
The Wi-Fi problem is knox related , I don t think switching go cm11 would solve the Bluetooth problem.
Now I'm using the latest version of miui and works well.
Sent from my iPhone using Tapatalk
baghy said:
The Wi-Fi problem is knox related , I don t think switching go cm11 would solve the Bluetooth problem.
Now I'm using the latest version of miui and works well.
Sent from my iPhone using Tapatalk
Click to expand...
Click to collapse
I also have this problem. Went from CM11 to stock (GF was supposed to use the phone and preferred stock...).
And now, no wifi, tried most things, checked build.prop, deleted wpa_supplicant, pulled battery, cleared cache.
Nothing works.
I'd be ok with going back to CM11, but the S-View cover won't work with it.
Any more ideas?
crazyrobban said:
I also have this problem. Went from CM11 to stock (GF was supposed to use the phone and preferred stock...).
And now, no wifi, tried most things, checked build.prop, deleted wpa_supplicant, pulled battery, cleared cache.
Nothing works.
I'd be ok with going back to CM11, but the S-View cover won't work with it.
Any more ideas?
Click to expand...
Click to collapse
I don't think this is your problem, but just to put this out there in case other people stumble upon the thread....
This can be caused by using a custom kernel in a CM11 based ROM that was built after about August 3rd (give or take a few days)
CM changed the way the Wifi and data are managed by the kernel. So older customer kernels aren't compatible.
crazyrobban said:
I also have this problem. Went from CM11 to stock (GF was supposed to use the phone and preferred stock...).
And now, no wifi, tried most things, checked build.prop, deleted wpa_supplicant, pulled battery, cleared cache.
Nothing works.
I'd be ok with going back to CM11, but the S-View cover won't work with it.
Any more ideas?
Click to expand...
Click to collapse
Solved my issue...
Booted to recovery, wiped data and cache, booted straight to Download mode, flashed stock rom, booted straight to recovery, wiped data and cache again, booted, profit.
Wi-Fi not going on / bootloops (SOLVED)
baghy said:
Hello guys, after I flashed a custom rom my phone went into a bootloop. I decided to flash stock , via odin. After I flashed the stock rom for my region (open european) I got many FC messages , the phone was unusable.
I started digging and flashing roms. Now I have i9505xxugng8 which is a nordic country rom.
When I try to open wifi , the button gets green for one second but then it stays deactivated.
1. Tried to remove battery
2.Tried to delete the wpa_supplicant.conf file from /data/misc/wifi or /system/etc/wifi
3.Tried the non-hos bin.
Nothing worked. I'm desperate.
Click to expand...
Click to collapse
1) Flash Wifi fix/NON-HLOS from this post. See here how to flash a modem.
2) Solved those FC / Bootloops problem flashing that KT-SGS4 Kernel.
3) See here how my same Wi-Fi / Bootlop problems were all solved.
I have an unlocked Galaxy S5 from "Three" Ireland (3IE) that restarts many times during the day but only when I leave it idle. Either on its own or while charging.
When its not charging at home, the restarts drain the battery very quickly.
Unrooted, latest stock ROM for this carrier (Android 6.0.1 G900FXXS1CQD1_G900F3IE1CPJ3_G900FXXS1CQA3)
I searched the forum and tried the following in this order:
1. Replace the battery
2. reset factory settings (and reinstall everything)
3. Flash stock ROM using ODIN v3.12.3 (same ROM version)
Nothing helped. :crying:
I didn't reset factory settings (again) after flashing stock ROM since I don't think that will make a difference. Any ideas?
kdizzy07 said:
I have an unlocked Galaxy S5 from "Three" Ireland (3IE) that restarts many times during the day but only when I leave it idle. Either on its own or while charging.
When its not charging at home, the restarts drain the battery very quickly.
Unrooted, latest stock ROM for this carrier (Android 6.0.1 G900FXXS1CQD1_G900F3IE1CPJ3_G900FXXS1CQA3)
I searched the forum and tried the following in this order:
1. Replace the battery
2. reset factory settings (and reinstall everything)
3. Flash stock ROM using ODIN v3.12.3 (same ROM version)
Nothing helped. :crying:
I didn't reset factory settings (again) after flashing stock ROM since I don't think that will make a difference. Any ideas?
Click to expand...
Click to collapse
Did you have any custom rom installed before? Try flashing latest bootloader for the phone and checking, if all else fails try a custom rom and see if the problem persists.
Mufrad said:
Did you have any custom rom installed before? Try flashing latest bootloader for the phone and checking, if all else fails try a custom rom and see if the problem persists.
Click to expand...
Click to collapse
No custom ROM while the phone was in my possession. It could have been before I got it (I'm not the original owner) but when I did get it I was on stock and unrooted (at least according to "Root Checker").
Didn't I get the latest bootloader when I flashed the latest stock ROM? I remember seeing the files "boot.img" and "modem.bin" in ODIN.
Also if you have any suggestions for a good custom ROM I'm all ears :angel: (I like bug-free*, speed and battery life. In that order of importance)
* - I know there's no such thing as "bug-free" but you get the idea
kdizzy07 said:
No custom ROM while the phone was in my possession. It could have been before I got it (I'm not the original owner) but when I did get it I was on stock and unrooted (at least according to "Root Checker").
Didn't I get the latest bootloader when I flashed the latest stock ROM? I remember seeing the files "boot.img" and "modem.bin" in ODIN.
Also if you have any suggestions for a good custom ROM I'm all ears :angel: (I like bug-free*, speed and battery life. In that order of importance)
* - I know there's no such thing as "bug-free" but you get the idea
Click to expand...
Click to collapse
Sometimes you have to flash bootloader again separately, specially if it was changed to an later version than the one you are flashing through odin, and I would suggest a custom touchwiz rom which is close to stock but with bloat removed and some speed tweaks maybe for the most bug free experience. But also maybe give stock android roms a try, most bugs should be ironed out.
Mufrad said:
if all else fails try a custom rom and see if the problem persists.
Click to expand...
Click to collapse
OK, last night I tried a couple of things:
1. I flashed Slim6 6.0.1.build.2.1 and twrp-3.2.3-0-klte (with wiping) - didn't help.
2. I took the sim card & sd card out - didn't help.
3. I ran logcat from ADB using USB debugging to see if I could get the error before the restart - While the phone was connected and logcat was running, the phone never restarted. Even when the screen timed out and turned off. (I guess the phone doesn't count this as "idle")
oh, and thanks for all the assistance so far
The fact that it happens on custom ROM leads me to think hardware. The fact that it doesn't happen if I keep the phone "busy" leads me to think software. What should I try next?