#0 0x00007f74b8f9b94a in pselect () from /lib/libc.so.6 #1 0x00007f74b625c7b5 in pkgDPkgPM::Go () from /usr/lib/libapt-pkg-libc6.9-6.so.4.7 #2 0x00007f74b6211076 in pkgPackageManager::DoInstallPostFork () from /usr/lib/libapt-pkg-libc6.9-6.so.4.7 #3 0x00007f74b64a245c in ?? () from /usr/lib/python2.6/dist-packages/apt_pkg.so #4 0x00000000004a2ae3 in PyEval_EvalFrameEx () #5 0x00000000004a3d8e in PyEval_EvalFrameEx () #6 0x00000000004a3d8e in PyEval_EvalFrameEx () #7 0x00000000004a4629 in PyEval_EvalCodeEx () #8 0x00000000004a2c90 in PyEval_EvalFrameEx () #9 0x00000000004a3d8e in PyEval_EvalFrameEx () #10 0x00000000004a3d8e in PyEval_EvalFrameEx () #11 0x00000000004a4629 in PyEval_EvalCodeEx () #12 0x000000000053290d in ?? () #13 0x000000000041d3bd in PyObject_Call () #14 0x0000000000424f48 in ?? () #15 0x000000000041d3bd in PyObject_Call () #16 0x000000000049ffef in PyEval_EvalFrameEx () #17 0x00000000004a4629 in PyEval_EvalCodeEx () #18 0x000000000053290d in ?? () #19 0x000000000041d3bd in PyObject_Call () #20 0x0000000000424f48 in ?? () #21 0x000000000041d3bd in PyObject_Call () #22 0x000000000049ffef in PyEval_EvalFrameEx () #23 0x00000000004a3d8e in PyEval_EvalFrameEx () #24 0x00000000004a4629 in PyEval_EvalCodeEx () #25 0x0000000000532a14 in ?? () #26 0x000000000041d3bd in PyObject_Call () #27 0x00000000004a1440 in PyEval_EvalFrameEx () #28 0x00000000004a3d8e in PyEval_EvalFrameEx () #29 0x00000000004a3d8e in PyEval_EvalFrameEx () #30 0x00000000004a4629 in PyEval_EvalCodeEx () #31 0x000000000053290d in ?? () #32 0x000000000041d3bd in PyObject_Call () #33 0x0000000000424f48 in ?? () #34 0x000000000041d3bd in PyObject_Call () #35 0x000000000049cd26 in PyEval_CallObjectWithKeywords () #36 0x00000000004d3b4d in ?? () #37 0x00007f74b9ada3ba in start_thread () from /lib/libpthread.so.0 #38 0x00007f74b8fa2fcd in clone () from /lib/libc.so.6 #39 0x0000000000000000 in ?? ()