Description of problem: X CPU usage jumps from 3% to 40% when system-config-soundcard GUI is running. PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2304 root 20 0 187m 35m 9596 R 40.8 3.5 29:02.00 X Version-Release number of selected component (if applicable): system-config-soundcard-2.0.6-11.fc8 How reproducible: always Steps to Reproduce: 1. System > Administration > Soundcard detection 2. 3. Actual results: X CPU usage jumps Expected results: relatively normal cpu usage. Additional info: strace shows process waiting here: 14:35:59.445522 read(4, "\21\0c\0\3\0\300\2\3\0\300\2\1\0\0\0\270\336\350\277\0\250 \10\230eM\t\3\0\300\2"..., 4096) = 64 14:35:59.445664 read(4, 0x8884ed0, 4096) = -1 EAGAIN (Resource temporarily unavailable) 14:35:59.445741 read(4, 0x8884ed0, 4096) = -1 EAGAIN (Resource temporarily unavailable) 14:35:59.445836 read(4, 0x8884ed0, 4096) = -1 EAGAIN (Resource temporarily unavailable) 14:35:59.445911 read(4, 0x8884ed0, 4096) = -1 EAGAIN (Resource temporarily unavailable) 14:35:59.445981 poll(
Created attachment 290505 [details] strace on system-config-soundcard (exited with CTRL-C)
Some warnings generated when running with: /usr/bin/python2 /usr/share/system-config-soundcard/system-config-soundcard.py here: /usr/share/system-config-soundcard/soundcard.py:124: GtkDeprecationWarning: gtk.timeout_add is deprecated, use gobject.timeout_add instead self.timer = gtk.timeout_add (100, self.checkStatus, self) Running from command-line... /usr/share/system-config-soundcard/soundcard.py:500: DeprecationWarning: use gtk.ComboBox self.sub_device_menu = gtk.OptionMenu() /usr/share/system-config-soundcard/soundcard.py:323: GtkWarning: gtk_label_set_label: assertion `str != NULL' failed module_label2 = gtk.Label(_(card.driver)) /usr/share/system-config-soundcard/soundcard.py:552: DeprecationWarning: use gtk.ComboBox self.card_combo_menu = gtk.OptionMenu() I think the assertion failure is interesting. I do have two tabs called nVidia and one has no "Module:" under Selected card. I've been having other problems with my soundcard as detailed here: https://bugzilla.redhat.com/show_bug.cgi?id=309101#c11
Created attachment 290621 [details] gdb -p <system-config-souncard pid> backtrace after: debuginfo-install system-config-soundcard debuginfo-install cairo-devel every backtrace falls into XGetImage()...
Created attachment 290626 [details] with correct PCM device
Created attachment 290627 [details] no PCM device
s-c-s is going to be removed in F9 so closing as wontfix