embora ache que o problema seja de reconhecimento de hardware e a solução seja forcar um novo reconhecimento, aí vai...
antes.txt - sem o modem Giant Traveller D-301
[H[2J[m(Btop - 18:28:16 up 1 min, 2 users, load average: 0.62, 0.34, 0.13[m(B[39;49m[K
Tasks:[m(B[39;49m[m(B 143 [m(B[39;49mtotal,[m(B[39;49m[m(B 1 [m(B[39;49mrunning,[m(B[39;49m[m(B 142 [m(B[39;49msleeping,[m(B[39;49m[m(B 0 [m(B[39;49mstopped,[m(B[39;49m[m(B 0 [m(B[39;49mzombie[m(B[39;49m[K
Cpu(s):[m(B[39;49m[m(B 6.5%[m(B[39;49mus,[m(B[39;49m[m(B 2.9%[m(B[39;49msy,[m(B[39;49m[m(B 0.4%[m(B[39;49mni,[m(B[39;49m[m(B 82.6%[m(B[39;49mid,[m(B[39;49m[m(B 7.5%[m(B[39;49mwa,[m(B[39;49m[m(B 0.0%[m(B[39;49mhi,[m(B[39;49m[m(B 0.1%[m(B[39;49msi,[m(B[39;49m[m(B 0.0%[m(B[39;49mst[m(B[39;49m[K
Mem: [m(B[39;49m[m(B 897004k [m(B[39;49mtotal,[m(B[39;49m[m(B 473912k [m(B[39;49mused,[m(B[39;49m[m(B 423092k [m(B[39;49mfree,[m(B[39;49m[m(B 52396k [m(B[39;49mbuffers[m(B[39;49m[K
Swap:[m(B[39;49m[m(B 1951856k [m(B[39;49mtotal,[m(B[39;49m[m(B 0k [m(B[39;49mused,[m(B[39;49m[m(B 1951856k [m(B[39;49mfree,[m(B[39;49m[m(B 208728k [m(B[39;49mcached[m(B[39;49m[K
[6;1H
[7m PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND [m(B[39;49m[K
[m(B 1400 root 20 0 74064 36m 12m S 2 4.2 0:03.59 Xorg [m(B[39;49m
[m(B[m(B 1870 jrkamil 20 0 2464 1060 784 R 2 0.1 0:00.01 top [m(B[39;49m
[m(B 1 root 20 0 2528 1520 1120 S 0 0.2 0:00.93 init [m(B[39;49m
[m(B 2 root 15 -5 0 0 0 S 0 0.0 0:00.00 kthreadd [m(B[39;49m
[m(B 3 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/0 [m(B[39;49m
[m(B 4 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksoftirqd/0 [m(B[39;49m
[m(B 5 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/0 [m(B[39;49m
[m(B 6 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/1 [m(B[39;49m
[m(B 7 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksoftirqd/1 [m(B[39;49m
[m(B 8 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/1 [m(B[39;49m
[m(B 9 root 15 -5 0 0 0 S 0 0.0 0:00.03 events/0 [m(B[39;49m
[m(B 10 root 15 -5 0 0 0 S 0 0.0 0:00.00 events/1 [m(B[39;49m
[m(B 11 root 15 -5 0 0 0 S 0 0.0 0:00.00 cpuset [m(B[39;49m
[m(B 12 root 15 -5 0 0 0 S 0 0.0 0:00.00 khelper [m(B[39;49m
[m(B 13 root 15 -5 0 0 0 S 0 0.0 0:00.00 netns [m(B[39;49m
[m(B 14 root 15 -5 0 0 0 S 0 0.0 0:00.00 async/mgr [m(B[39;49m
[m(B 15 root 15 -5 0 0 0 S 0 0.0 0:00.00 kintegrityd/0 [m(B[39;49m[6;1H[K[H[m(Btop - 18:28:19 up 1 min, 2 users, load average: 0.57, 0.33, 0.13[m(B[39;49m[K
Tasks:[m(B[39;49m[m(B 143 [m(B[39;49mtotal,[m(B[39;49m[m(B 2 [m(B[39;49mrunning,[m(B[39;49m[m(B 141 [m(B[39;49msleeping,[m(B[39;49m[m(B 0 [m(B[39;49mstopped,[m(B[39;49m[m(B 0 [m(B[39;49mzombie[m(B[39;49m[K
Cpu(s):[m(B[39;49m[m(B 0.8%[m(B[39;49mus,[m(B[39;49m[m(B 0.3%[m(B[39;49msy,[m(B[39;49m[m(B 0.0%[m(B[39;49mni,[m(B[39;49m[m(B 98.2%[m(B[39;49mid,[m(B[39;49m[m(B 0.5%[m(B[39;49mwa,[m(B[39;49m[m(B 0.2%[m(B[39;49mhi,[m(B[39;49m[m(B 0.0%[m(B[39;49msi,[m(B[39;49m[m(B 0.0%[m(B[39;49mst[m(B[39;49m[K
Mem: [m(B[39;49m[m(B 897004k [m(B[39;49mtotal,[m(B[39;49m[m(B 473912k [m(B[39;49mused,[m(B[39;49m[m(B 423092k [m(B[39;49mfree,[m(B[39;49m[m(B 52404k [m(B[39;49mbuffers[m(B[39;49m[K
Swap:[m(B[39;49m[m(B 1951856k [m(B[39;49mtotal,[m(B[39;49m[m(B 0k [m(B[39;49mused,[m(B[39;49m[m(B 1951856k [m(B[39;49mfree,[m(B[39;49m[m(B 208736k [m(B[39;49mcached[m(B[39;49m[K
[6;1H
[7m PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND [m(B[39;49m[K
[m(B 1400 root 20 0 74064 36m 12m S 1 4.2 0:03.62 Xorg [m(B[39;49m
[m(B[m(B 1870 jrkamil 20 0 2468 1176 884 R 1 0.1 0:00.03 top [m(B[39;49m
[m(B 1603 jrkamil 20 0 8276 5064 2412 S 0 0.6 0:00.49 gconfd-2 [m(B[39;49m
[m(B 1710 jrkamil 20 0 93848 25m 14m S 0 2.9 0:00.81 nautilus [m(B[39;49m
[m(B 1839 jrkamil 20 0 39052 13m 10m S 0 1.6 0:00.31 gnome-terminal [m(B[39;49m
[m(B 1 root 20 0 2528 1520 1120 S 0 0.2 0:00.93 init [m(B[39;49m
[m(B 2 root 15 -5 0 0 0 S 0 0.0 0:00.00 kthreadd [m(B[39;49m
[m(B 3 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/0 [m(B[39;49m
[m(B 4 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksoftirqd/0 [m(B[39;49m
[m(B 5 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/0 [m(B[39;49m
[m(B 6 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/1 [m(B[39;49m
[m(B 7 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksoftirqd/1 [m(B[39;49m
[m(B 8 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/1 [m(B[39;49m
[m(B 9 root 15 -5 0 0 0 S 0 0.0 0:00.03 events/0 [m(B[39;49m
[m(B 10 root 15 -5 0 0 0 S 0 0.0 0:00.00 events/1 [m(B[39;49m
[m(B 11 root 15 -5 0 0 0 S 0 0.0 0:00.00 cpuset [m(B[39;49m
[m(B 12 root 15 -5 0 0 0 S 0 0.0 0:00.00 khelper [m(B[39;49m[6;1H[K[25;1H[?12l[?25h
depois.txt - apos o problema
[H[2J[m(Btop - 18:33:06 up 2 min, 2 users, load average: 0.38, 0.41, 0.17[m(B[39;49m[K
Tasks:[m(B[39;49m[m(B 143 [m(B[39;49mtotal,[m(B[39;49m[m(B 2 [m(B[39;49mrunning,[m(B[39;49m[m(B 141 [m(B[39;49msleeping,[m(B[39;49m[m(B 0 [m(B[39;49mstopped,[m(B[39;49m[m(B 0 [m(B[39;49mzombie[m(B[39;49m[K
Cpu(s):[m(B[39;49m[m(B 7.3%[m(B[39;49mus,[m(B[39;49m[m(B 3.0%[m(B[39;49msy,[m(B[39;49m[m(B 0.3%[m(B[39;49mni,[m(B[39;49m[m(B 81.7%[m(B[39;49mid,[m(B[39;49m[m(B 7.6%[m(B[39;49mwa,[m(B[39;49m[m(B 0.0%[m(B[39;49mhi,[m(B[39;49m[m(B 0.1%[m(B[39;49msi,[m(B[39;49m[m(B 0.0%[m(B[39;49mst[m(B[39;49m[K
Mem: [m(B[39;49m[m(B 897004k [m(B[39;49mtotal,[m(B[39;49m[m(B 522624k [m(B[39;49mused,[m(B[39;49m[m(B 374380k [m(B[39;49mfree,[m(B[39;49m[m(B 53312k [m(B[39;49mbuffers[m(B[39;49m[K
Swap:[m(B[39;49m[m(B 1951856k [m(B[39;49mtotal,[m(B[39;49m[m(B 0k [m(B[39;49mused,[m(B[39;49m[m(B 1951856k [m(B[39;49mfree,[m(B[39;49m[m(B 245288k [m(B[39;49mcached[m(B[39;49m[K
[6;1H
[7m PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND [m(B[39;49m[K
[m(B[m(B 2192 jrkamil 20 0 2464 1064 784 R 2 0.1 0:00.01 top [m(B[39;49m
[m(B 1 root 20 0 2640 1524 1120 S 0 0.2 0:00.92 init [m(B[39;49m
[m(B 2 root 15 -5 0 0 0 S 0 0.0 0:00.00 kthreadd [m(B[39;49m
[m(B 3 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/0 [m(B[39;49m
[m(B 4 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksoftirqd/0 [m(B[39;49m
[m(B 5 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/0 [m(B[39;49m
[m(B 6 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/1 [m(B[39;49m
[m(B 7 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksoftirqd/1 [m(B[39;49m
[m(B 8 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/1 [m(B[39;49m
[m(B 9 root 15 -5 0 0 0 S 0 0.0 0:00.00 events/0 [m(B[39;49m
[m(B 10 root 15 -5 0 0 0 S 0 0.0 0:00.04 events/1 [m(B[39;49m
[m(B 11 root 15 -5 0 0 0 S 0 0.0 0:00.00 cpuset [m(B[39;49m
[m(B 12 root 15 -5 0 0 0 S 0 0.0 0:00.00 khelper [m(B[39;49m
[m(B 13 root 15 -5 0 0 0 S 0 0.0 0:00.00 netns [m(B[39;49m
[m(B 14 root 15 -5 0 0 0 S 0 0.0 0:00.00 async/mgr [m(B[39;49m
[m(B 15 root 15 -5 0 0 0 S 0 0.0 0:00.00 kintegrityd/0 [m(B[39;49m
[m(B 16 root 15 -5 0 0 0 S 0 0.0 0:00.00 kintegrityd/1 [m(B[39;49m[6;1H[K[H[m(Btop - 18:33:09 up 2 min, 2 users, load average: 0.35, 0.40, 0.17[m(B[39;49m[K
Tasks:[m(B[39;49m[m(B 143 [m(B[39;49mtotal,[m(B[39;49m[m(B 1 [m(B[39;49mrunning,[m(B[39;49m[m(B 142 [m(B[39;49msleeping,[m(B[39;49m[m(B 0 [m(B[39;49mstopped,[m(B[39;49m[m(B 0 [m(B[39;49mzombie[m(B[39;49m[K
Cpu(s):[m(B[39;49m[m(B 2.3%[m(B[39;49mus,[m(B[39;49m[m(B 0.2%[m(B[39;49msy,[m(B[39;49m[m(B 0.0%[m(B[39;49mni,[m(B[39;49m[m(B 97.4%[m(B[39;49mid,[m(B[39;49m[m(B 0.2%[m(B[39;49mwa,[m(B[39;49m[m(B 0.0%[m(B[39;49mhi,[m(B[39;49m[m(B 0.0%[m(B[39;49msi,[m(B[39;49m[m(B 0.0%[m(B[39;49mst[m(B[39;49m[K
Mem: [m(B[39;49m[m(B 897004k [m(B[39;49mtotal,[m(B[39;49m[m(B 522632k [m(B[39;49mused,[m(B[39;49m[m(B 374372k [m(B[39;49mfree,[m(B[39;49m[m(B 53320k [m(B[39;49mbuffers[m(B[39;49m[K
Swap:[m(B[39;49m[m(B 1951856k [m(B[39;49mtotal,[m(B[39;49m[m(B 0k [m(B[39;49mused,[m(B[39;49m[m(B 1951856k [m(B[39;49mfree,[m(B[39;49m[m(B 245292k [m(B[39;49mcached[m(B[39;49m[K
[6;1H
[7m PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND [m(B[39;49m[K
[m(B 1915 jrkamil 20 0 21216 10m 8136 S 2 1.2 0:00.54 gtk-window-deco [m(B[39;49m
[m(B 1529 root 20 0 79328 42m 12m S 1 4.8 0:05.31 Xorg [m(B[39;49m
[m(B 2171 jrkamil 20 0 39100 13m 10m S 1 1.6 0:00.41 gnome-terminal [m(B[39;49m
[m(B[m(B 2192 jrkamil 20 0 2468 1180 884 R 1 0.1 0:00.03 top [m(B[39;49m
[m(B 1860 jrkamil 20 0 63252 38m 11m S 0 4.4 0:02.49 compiz.real [m(B[39;49m
[m(B 1862 jrkamil 20 0 86736 26m 15m S 0 3.0 0:00.94 nautilus [m(B[39;49m
[m(B 1948 jrkamil 20 0 13088 4096 3208 S 0 0.5 0:00.16 conky [m(B[39;49m
[m(B 1 root 20 0 2640 1524 1120 S 0 0.2 0:00.92 init [m(B[39;49m
[m(B 2 root 15 -5 0 0 0 S 0 0.0 0:00.00 kthreadd [m(B[39;49m
[m(B 3 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/0 [m(B[39;49m
[m(B 4 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksoftirqd/0 [m(B[39;49m
[m(B 5 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/0 [m(B[39;49m
[m(B 6 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/1 [m(B[39;49m
[m(B 7 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksoftirqd/1 [m(B[39;49m
[m(B 8 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/1 [m(B[39;49m
[m(B 9 root 15 -5 0 0 0 S 0 0.0 0:00.00 events/0 [m(B[39;49m
[m(B 10 root 15 -5 0 0 0 S 0 0.0 0:00.04 events/1 [m(B[39;49m[6;1H[K[25;1H[?12l[?25h
[H[2J[25;1H[?12l[?25h