3枚刺ししたPT3で，Linux標準のdvbドライバを使用すると3枚目が認識しません．
Debian Stretch 9.6です．m-tsudo/pt3のドライバだと3枚分認識します．どうすればよいのでしょうか
$ dmesg | grep pt3
[ 19.155581] earth_pt3 0000:03:00.0: DVB: registering adapter 0 frontend 0 (Toshiba TC90522 ISDB-S module)...
…中略
[ 19.544913] earth_pt3 0000:03:00.0: successfully init'ed PT3 (fw:0x04, I/F:0x01)
[ 19.547519] earth_pt3 0000:04:00.0: DVB: registering adapter 4 frontend 0 (Toshiba TC90522 ISDB-S module)...
…中略
[ 19.872970] earth_pt3 0000:04:00.0: successfully init'ed PT3 (fw:0x04, I/F:0x01)
[ 19.873267] earth_pt3 0000:05:00.0: failed to register adapter dev ←★★★これ
[ 19.873292] earth_pt3 0000:05:00.0: Failed to create FE0 ←★★★これ
[ 19.873454] earth_pt3: probe of 0000:05:00.0 failed with error -23 ←★★★これ