I have the same problems. I attached a gdb and found out, that NetworkManager continously receives SIGSEGV:
(gdb) stepi 0x0806e930 in ?? () (gdb) stepi 0x0806e931 in ?? () (gdb) stepi 0x0806e933 in ?? () (gdb) stepi 0x0806e934 in ?? () (gdb) stepi 0x0806e937 in ?? () (gdb) stepi 0x0806e93c in ?? () (gdb) stepi 0x0806e93f in ?? () (gdb) stepi 0x0806e941 in ?? () (gdb) stepi 0x0806e943 in ?? () (gdb) stepi 0x0806e946 in ?? () (gdb) stepi 0x0806e947 in ?? () (gdb) stepi 0x0806e948 in ?? () (gdb) stepi <signal handler called> (gdb) stepi <signal handler called> (gdb) stepi <signal handler called> (gdb) stepi 0x98e80c4d in ?? () (gdb) stepi Program received signal SIGSEGV, Segmentation fault. 0x98e80c4d in ?? () (gdb) stepi 0x0806e930 in ?? () (gdb) stepi 0x0806e931 in ?? () (gdb) stepi 0x0806e933 in ?? () (gdb) stepi 0x0806e934 in ?? () (gdb) stepi 0x0806e937 in ?? () (gdb) stepi 0x0806e93c in ?? () (gdb) stepi 0x0806e93f in ?? () (gdb) stepi 0x0806e941 in ?? () (gdb) stepi 0x0806e943 in ?? () (gdb) stepi 0x0806e946 in ?? () (gdb) stepi 0x0806e947 in ?? () (gdb) stepi 0x0806e948 in ?? () (gdb) stepi <signal handler called> (gdb) stepi <signal handler called> (gdb) stepi <signal handler called> (gdb) stepi 0x98e80c4d in ?? () (gdb) stepi Program received signal SIGSEGV, Segmentation fault. 0x98e80c4d in ?? () The backtrace is the following: (gdb) bt #0 0x98e80c4d in ?? () #1 0x0806b49d in ?? () #2 0xb7edf490 in g_child_watch_funcs () from /usr/lib/libglib-2.0.so.0 #3 0x0809b140 in ?? () #4 0xbfc0d5e8 in ?? () #5 0xb7e75033 in g_thread_self () from /usr/lib/libglib-2.0.so.0 #6 0xb7e528d6 in ?? () from /usr/lib/libglib-2.0.so.0 #7 0x0809b140 in ?? () #8 0xb7dbe8ac in __pthread_mutex_unlock_usercnt () from /lib/tls/i686/cmov/libpthread.so.0 #9 0xb7e5211c in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #10 0xb7e5555f in ?? () from /usr/lib/libglib-2.0.so.0 #11 0x08097398 in ?? () #12 0x00000064 in ?? () #13 0x0809f840 in ?? () #14 0x00000005 in ?? () #15 0x00000005 in ?? () #16 0xb7dbe8ac in __pthread_mutex_unlock_usercnt () from /lib/tls/i686/cmov/libpthread.so.0 #17 0xb7e55909 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #18 0x0806a8f1 in main () lspci: ... 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) 02:04.0 Network controller: Intel Corporation PRO/Wireless 2200BG Network Connection (rev 05) ... -- NetworkManager causes high CPU-usage after suspend https://bugs.launchpad.net/bugs/154254 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
