Sony Ericsson K750i & USB Cable Problem

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Date: Friday, September 23rd, 2005, 13:16
Category: Mobile Phone

A forced restart is needed after disconnecting USB cable between phone & computer. Read more…

I just purchased an unlocked Sony Ericsson K750i phone to use with T-Mobile. Love the phone, and was able to get my contacts into it via Bluetooth and iSync. Among its many great features is also a 2MP camera, which takes very nice photos (has a flash). However, I noticed a problems when connecting the USB cable to download them to my 1st generation 17? Powerbook (it has only USB 1.1) under OS10.4.2, which I?ve reported to Apple:
When I 1st connected the phone, I did not have photos on its memory card, and after unplugging, I received the screen to force a restart. Today, I had 4 photos in the phone?s memory when I plugged it in. As before, iPhoto started up automatically; this time it asked if I wanted to download the photos, just as with my digital camera. All 4 photos downloaded without incident. While I kept the memory card mounted, I was able to start programs without incident. I then unmounted the memory card, but left the USB plug connected. I could start programs without incident. It was only after I unplugged the USB cable that, after about 6 seconds, the ?you have to restart your computer, so please hold down the power button or press the restart button? message in several languages came up.
Here?s the report message I received after the forced restart:
panic(cpu 0 caller 0x0001FDA0): ipc_right_clean: strange type
Latest stack backtrace for cpu 0:
0x00095544 0x00095A5C 0x0002683C 0x0001FDA0 0x000215CC 0x00038034 0x0026297C 0x002627E8
0x002A7A94 0x000ABCB0 0x020D99E0
Proceeding back via exception chain:
Exception state (sv=0x2EA84000)
PC=0x90013AEC; MSR=0x0200D030; DAR=0xA15CE1A0; DSISR=0x40000000; LR=0x90013928; R1=0xBFFFEDA0; XCP=0x00000030 (0xC00 – System call)
Kernel version:
Darwin Kernel Version 8.2.0: Fri Jun 24 17:46:54 PDT 2005; root:xnu-792.2.4.obj~3/RELEASE_PPC
Model: PowerBook5,1, BootROM 4.6.2f1, 1 processors, PowerPC G4 (3.3), 1 GHz, 1 GB
Graphics: NVIDIA GeForce4 MX, GeForce4 MX, AGP, 64 MB
Memory Module: SODIMM0/J20STANDARD, 512 MB, DDR SDRAM, PC2700U-25330
Memory Module: SODIMM1/J23REVERSED, 512 MB, DDR SDRAM, PC2700U-25330
AirPort: AirPort Extreme, 400.17 (
Modem: LastDash, UCJ, V.92, 4.0, APPLE VERSION 2.6.6
Bluetooth: Version 1.6.0f2, 2 service, 0 devices, 0 incoming serial ports
Network Service: AirPort, AirPort, en1
PCI Card: TXN,PCIXXXX-00, cardbus, PC Card
Parallel ATA Device: MATSHITADVD-R UJ-815, 792.76 MB
Parallel ATA Device: TOSHIBA MK6021GAS, 55.89 GB
USB Device: Apple internal modem, HCF USB V.90 Data/Fax Modem, Up to 12 Mb/sec, 500 mA
USB Device: Bluetooth HCI, , Up to 12 Mb/sec, 500 mA
Thought I should warn folks, unless I?m the only one having this problem. Very happy with the phone, which also has much better reception than my old T68i.

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