Sony Ericsson / Sony : Software, Firmware and Drivers : MS Duo corruption problem with R1N035
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I think the cause of the MS corruption problem lies not only on the new firmware but probably also the old Sony USB driver has an incompatibility with the new firmware because the problem arises only during USB file transfers and never during BT transfers. I think something goes wrong with the disabling of write back caching during the Memory Stick file operations via USB. XP probably uses still a caching mechanism despite it should not do and this is causing to lose some files.
[ This Message was edited by: drag on 2005-10-22 12:18 ]
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Posted: 2005-10-22 13:01:51
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On 2005-10-21 03:53:32, ecttesi wrote:
I also have the same problem. It's R1N035 problem coz when I flashed a new fresh of R1N035, the problem still exist. But if I flash back to R1L, the problem was gone. It seems like the problem happended when you try to copy file more than 60 MB approx. This happended both small but many files and one big file. I use SE K750i, MS Duo Pro 512 MB
I also want to go back to R1L002... How did you do that? Because I am getting really sick and tired of the R1N035 FW....
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Posted: 2005-10-22 21:56:10
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No solution, I tried all, also the requirements posted by Leviath (thak you mate), but nothing has worked out.
I will wait for the next fw to come, it will solve the issue surely.
Let me know if some of you get the goal.
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Posted: 2005-10-23 19:06:23
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Maybe this have been mentioned before or else where; you can overcome this annoying bug by transfering files into the memory stick through a memory card reader.
Yah I know, it's pretty outrageous to get a memory card reader to fix a bug thanks to an 'update', but it works flawlessly.
Another advantage to keep in mind for you people who are reluctant to buy one: the transfer speed is a lot faster than using the mobile phone.
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Posted: 2005-10-23 19:14:56
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I think its a problem with sony ericsson usb drivers. the problem doesnt only affect SE USB transfers. Once you transfer some files using USB to a K750/W800, all other devices for USB file transfer (eg USB keyring memory etc) experience the problem of transfering a file to it and it dissapears.
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Posted: 2005-10-23 20:42:18
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Ive had no sort of usb transfer bugs what so ever, neither on my K750 or any other usb devices.
sounds to me like a writecaching problem on some installations, and phones being removed to quickly before the writing has properly ended.
Could be because of a poor usb driver, but I dont think so, since the driver is microsoft certified, and it doesnt happen for everyone (me for instance). Could be some conflict with certain chipsets, this is not uncommon.
Try to doublecheck if writecaching is turned off on the removable device (also called optimised for safety), restart computer and check again, and make sure when you transfer larger files or amount of files to wait long enough for the writing to have properly finished. Before removing the phone from the computer check that the last file is actually written to the memstick by playing the file from the memstick on the computer.
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Posted: 2005-10-23 20:59:28
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Restarting the PC, waiting a few minutes after the transfer is done before disconnecting, reflashing, and so on do not work for many people including myself who got this bug not in this version, but in newer R1NA005. This just means they didn't fix it and it exisit in the new firmware.
Personally, I tired everything posted here and other places on the Internet to overcome this problem and only using a card reader works.
I suggest people with this bug to get one too. Who knows how long it will take SE to address this issue.
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Posted: 2005-10-23 21:12:01
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not saying its not a firmware issue, but logically if it were simply a firmwarebug, it should happen to everyone having the same firmware, and it doesnt. There has to be more to it.
Many things has been discussed and mentioned in this ongoing debate about corrupted files, but Im used to errorsolving withing computers and I keep having this feeling that some common factor is being overlooked. It could be a specific type of memorystick, a specific type of firmwarecustomisation, a specific type of chipset in the computers of those that experience the bug, it could be many things.
Since I havent been able to duplicate the bug in my setup, I also havent been able to do any errorseeking, therefore everything I say here are just gueswork, and shouldent be read as me saying other opinions are wrong in any way, just want to clear that up
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Posted: 2005-10-23 21:32:39
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@numb
Ok,so maybe you can help us sort this out..
1)what firmware version are you using?
2)how do you transfer files from PC to phone?
3)have you tried transferring like 100Mb of mp3's in single transfer?
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Posted: 2005-10-23 21:43:02
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1. using latest R1N035 Europe4 for K750, using a FAT formatted green Sandisk gaming 512 DUO PRO stick
2. allways transfer using simple copy/paste through the supplied usb cable.
3. yes several times, Im trying again as I write this just as a test, copy/pasting 110mb mp3's (one folder containing 17 files) to the mp3 folder on the phone memorystick over the supplied usb cable. Its done now, took maybe 5 minuttes. All files play fine on the computer when played directly from the memorystick with the phone still connected. Now removing the phone and checking they still exist. Yes, They still exist and play on the phone.
:-/
Now copying them back to the computer, again using simple copy/paste of the folder. Also took about 5 minuttes. Removing the phone, files still available and playable both on phone and computer.
[ This Message was edited by: numb on 2005-10-23 21:08 ]
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Posted: 2005-10-23 21:57:52
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