Description of problem: Plug in ipod touch to one of several Fedora 14 i386 netbooks. Unmount and then unplug. The program iphone-set-info and upowerd are trying trying to use all my CPU. Version-Release number of selected component (if applicable): libgpod-0.8.0-1.fc14.i686 How reproducible: Each time I disconnect, these programs try to use all CPU. Steps to Reproduce: 1. Plug in ipod touch 2. Let Linux mount it 3. After a few minutes, click to unmount 4. When unmounted, disconnect -- iphone-set-info uses 100% of CPU Actual results: 18241 root 18 -2 9720 912 832 R 98.1 0.1 3072:09 iphone-set-info 18682 root 20 0 23976 7020 3404 R 96.1 0.7 1679:48 upowerd Expected results: Additional info:
I am having similar problems with an iPhone 3g (which doesn't get mounted). The upower applet thinks I have 2 phones plugged in and is chewing up 80-90% of cpu.
Created attachment 551381 [details] iDevice SSL write fix I encountered the same issue with the Katya release of Linux Mint. After trudging through the debug symbols, I was able to narrow the problem down to libimobiledevice(idevice.o). As it turns out, the internal_ssl_write function (a callback function within libimobiledevice used by libgnutls to send encrypted data) does not perform proper error checking, so instead of returning an error code after the connection closes, it returns 0 bytes sent. The calling function in libgnutls then gets stuck in an infinite loop trying to send data that never gets sent. I have attached the patch I developed on top of libimobiledevice-1.1.0. It does not resolve any underlying issues leading to the error code, but it should prevent iphone-set-info and upowerd from taking over the processor. I hope this helps!
Just wanted to let everyone know that as of 11 Jan 2012, the libimobiledevice developers have integrated my patch into their master development branch. I don't know how long this will take to filter down to the various distributions, so if you can't wait, you can obtain the source code (via git) from their repository: <git://git.sukimashita.com/libimobiledevice.git>.
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