Description of problem:
i was trying to update the system

Version-Release number of selected component:
yum-3.4.3-28.fc17

Additional info:
libreport version: 2.0.12
abrt_version:   2.0.11.1.g5c44.dirty
kernel:         3.5.0-2.fc17.x86_64

backtrace:
:os.py:546:_spawnvef:OSError: [Errno 4] Interrupted system call
:
:Traceback (most recent call last):
:  File "/usr/bin/yum", line 29, in <module>
:    yummain.user_main(sys.argv[1:], exit_code=True)
:  File "/usr/share/yum-cli/yummain.py", line 319, in user_main
:    errcode = main(args)
:  File "/usr/share/yum-cli/yummain.py", line 227, in main
:    return_code = base.doTransaction()
:  File "/usr/share/yum-cli/cli.py", line 559, in doTransaction
:    problems = self.downloadPkgs(downloadpkgs, callback_total=self.download_callback_total_cb)
:  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 2190, in downloadPkgs
:    self.plugins.run('predownload', pkglist=pkglist)
:  File "/usr/lib/python2.7/site-packages/yum/plugins.py", line 187, in run
:    func(conduitcls(self, self.base, conf, **kwargs))
:  File "/usr/lib/yum-plugins/yum-fast-downloader.py", line 237, in predownload_hook
:    downloadQueuedFiles(inputFileName)
:  File "/usr/lib/yum-plugins/yum-fast-downloader.py", line 105, in downloadQueuedFiles
:    ret = os.spawnvp(os.P_WAIT, "aria2c", args)
:  File "/usr/lib64/python2.7/os.py", line 585, in spawnvp
:    return _spawnvef(mode, file, args, None, execvp)
:  File "/usr/lib64/python2.7/os.py", line 546, in _spawnvef
:    wpid, sts = waitpid(pid, 0)
:OSError: [Errno 4] Interrupted system call
:
:Local variables in innermost frame:
:func: <function execvp at 0x7fc877214050>
:env: None
:args: ['aria2c', '--continue', '--check-certificate=false', '--on-download-complete=/usr/libexec/yum-fast-downloader-finalize', '--server-stat-if=/var/cache/yum/x86_64/17/aria2c_server_stats', '--server-stat-of=/var/cache/yum/x86_64/17/aria2c_server_stats', '--max-concurrent-downloads=10', '--min-split-size=1M', '--max-connection-per-server=5', '--input-file=/var/cache/yum/x86_64/17/aria.input']
:pid: 11924
:mode: 0
:file: 'aria2c'