Ciao michele.p.
Ho fatto quello che mi hai detto. Ho riavviato il sistema e ho digitato “dmesg | grep firmware ”:
[ 18.016811] usb 2-1: firmware: requesting xc3028-v27.fw
[ 18.138878] xc2028 2-0061: Loading 80 firmware images from xc3028-v27.fw, type: xc2028 firmware, ver 2.7
[ 18.184038] xc2028 2-0061: Loading firmware for type=BASE (1), id 0000000000000000.
[ 19.134546] xc2028 2-0061: Loading firmware for type=(0), id 000000000000b700.
Dal risultato sembra che il firmware sia stato riconosciuto e caricato (o almeno mi sembra!!).
Ho avviato Kaffeine e MeTv, ma non trova ancora nessun sintonizzatore.

Ora forse il problema rimane il caricamento del modulo em28xx o del modulo v4l o DVB.
Se può essere utile lanciando "lsmod" esce:
Module Size Used by
xt_TCPMSS 2931 1
xt_tcpmss 1197 1
iptable_mangle 2771 1
ppp_deflate 3682 0
zlib_deflate 19568 1 ppp_deflate
bsd_comp 4811 0
ppp_async 6734 1
crc_ccitt 1339 1 ppp_async
isofs 29250 1
cdc_ether 3541 0
usbnet 14943 1 cdc_ether
mii 4381 1 usbnet
cdc_acm 14658 2
usb_storage 39553 1
binfmt_misc 6587 1
ppdev 5259 0
em28xx_alsa 6154 1
tuner_xc2028 19769 1
tuner 20412 1
tvp5150 14819 1
snd_atiixp_modem 9103 0
snd_via82xx_modem 8486 0
snd_intel8x0m 10751 0
snd_ac97_codec 100646 3 snd_atiixp_modem,snd_via82xx_modem,snd_intel8x0m
ac97_bus 1002 1 snd_ac97_codec
em28xx 82206 1 em28xx_alsa
v4l2_common 15431 3 tuner,tvp5150,em28xx
joydev 8740 0
snd_hda_codec_realtek 203408 1
ir_common 38875 1 em28xx
videobuf_vmalloc 5586 1 em28xx
videobuf_core 16356 2 em28xx,videobuf_vmalloc
tveeprom 11102 1 em28xx
arc4 1153 2
ipt_REJECT 1928 1
ipt_LOG 4542 5
xt_multiport 2378 8
xt_limit 1382 7
xt_tcpudp 2011 44
ipt_addrtype 1631 4
xt_state 1098 7
snd_hda_intel 22005 2
snd_hda_codec 74201 2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 5412 1 snd_hda_codec
snd_pcm_oss 35308 0
snd_mixer_oss 13746 1 snd_pcm_oss
snd_pcm 70694 8 em28xx_alsa,snd_atiixp_modem,snd_via82xx_modem,snd_intel8x0m,snd_ac97_codec,snd_hda_intel,snd_hda_codec,snd_pcm_oss
ip6table_filter 2343 1
ip6_tables 11227 1 ip6table_filter
snd_seq_dummy 1338 0
nf_nat_irc 1124 0
snd_seq_oss 26722 0
nf_conntrack_irc 3332 1 nf_nat_irc
ath5k 121632 0
snd_seq_midi 4557 0
nf_nat_ftp 1836 0
snd_rawmidi 19056 1 snd_seq_midi
nf_nat 15735 2 nf_nat_irc,nf_nat_ftp
nf_conntrack_ipv4 10672 9 nf_nat
nf_defrag_ipv4 1073 1 nf_conntrack_ipv4
snd_seq_midi_event 6003 2 snd_seq_oss,snd_seq_midi
nf_conntrack_ftp 5381 1 nf_nat_ftp
snd_seq 47263 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
nf_conntrack 61615 7 xt_state,nf_nat_irc,nf_conntrack_irc,nf_nat_ftp,nf_nat,nf_conntrack_ipv4,nf_conntrack_ftp
iptable_filter 2271 1
snd_timer 19098 2 snd_pcm,snd_seq
snd_seq_device 5700 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
ip_tables 9991 2 iptable_mangle,iptable_filter
x_tables 14299 11 xt_TCPMSS,xt_tcpmss,ipt_REJECT,ipt_LOG,xt_multiport,xt_limit,xt_tcpudp,ipt_addrtype,xt_state,ip6_tables,ip_tables
mac80211 205402 1 ath5k
ath 7611 1 ath5k
fbcon 35102 71
tileblit 2031 1 fbcon
font 7557 1 fbcon
bitblit 4707 1 fbcon
softcursor 1189 1 bitblit
uvcvideo 57310 0
videodev 34361 5 tuner,tvp5150,em28xx,v4l2_common,uvcvideo
psmouse 63245 0
nvidia 9961216 47
v4l1_compat 13251 2 uvcvideo,videodev
acer_wmi 13861 0
lirc_ene0100 6536 0
lirc_dev 8884 1 lirc_ene0100
serio_raw 3978 0
k8temp 3152 0
snd 54180 23 em28xx_alsa,snd_atiixp_modem,snd_via82xx_modem,snd_intel8x0m,snd_ac97_codec,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
cfg80211 126528 3 ath5k,mac80211,ath
agpgart 31724 1 nvidia
vga16fb 11385 1
vgastate 8961 1 vga16fb
sdhci_pci 5470 0
sdhci 15462 1 sdhci_pci
led_class 2864 3 ath5k,acer_wmi,sdhci
video 17375 0
output 1871 1 video
soundcore 6620 1 snd
snd_page_alloc 7076 5 snd_atiixp_modem,snd_via82xx_modem,snd_intel8x0m,snd_hda_intel,snd_pcm
i2c_nforce2 5199 0
lp 7028 0
parport 32635 2 ppdev,lp
usbhid 36110 0
ohci1394 26950 0
hid 67064 1 usbhid
ieee1394 81181 1 ohci1394
forcedeth 49556 0
ahci 32200 5
pata_amd 8766 0
Se mi puoi dare qualche indicazione.
Grazie ancora.
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Ubuntu 10.04
Acer Aspire 7520G: AMD TurionTM 64 X2 dual-core mobile technologyTL-64; 17" WXGA + high-brightness (200-nits) Acer CrystalBriteTM TFT LCD, 1440 x 900 pixel resolution; NVIDIA GeForce® 8600M GS with up to 1024MB of TurbocacheTM; 3GB DDR2;...