One way or another the cached version of the discovery fails to list all channels
without cache:
$ jack_lsp -A
system:capture_1
firewire_pcm:C0_dev0_Line_1/2 left PHASE88 FW
system:capture_2
firewire_pcm:C1_dev0_Line_1/2 right PHASE88 FW
system:capture_3
firewire_pcm:C2_dev0_Line_3/4 left PHASE88 FW
system:capture_4
firewire_pcm:C3_dev0_Line_3/4 right PHASE88 FW
system:capture_5
firewire_pcm:C4_dev0_Line_5/6 left PHASE88 FW
system:capture_6
firewire_pcm:C5_dev0_Line_5/6 right PHASE88 FW
system:capture_7
firewire_pcm:C6_dev0_Line_7/8 left PHASE88 FW
system:capture_8
firewire_pcm:C7_dev0_Line_7/8 right PHASE88 FW
system:capture_9
firewire_pcm:C8_dev0_SPDIF left PHASE88 FW
system:capture_10
firewire_pcm:C9_dev0_SPDIF right PHASE88 FW
system:playback_1
firewire_pcm:P0_dev0_Multichannel 1 PHASE88 FW
system:playback_2
firewire_pcm:P1_dev0_Multichannel 2 PHASE88 FW
system:playback_3
firewire_pcm:P2_dev0_Multichannel 3 PHASE88 FW
system:playback_4
firewire_pcm:P3_dev0_Multichannel 4 PHASE88 FW
system:playback_5
firewire_pcm:P4_dev0_Multichannel 5 PHASE88 FW
system:playback_6
firewire_pcm:P5_dev0_Multichannel 6 PHASE88 FW
system:playback_7
firewire_pcm:P6_dev0_Multichannel 7 PHASE88 FW
system:playback_8
firewire_pcm:P7_dev0_Multichannel 8 PHASE88 FW
system:playback_9
firewire_pcm:P8_dev0_SPDIF/AC3 left PHASE88 FW
system:playback_10
firewire_pcm:P9_dev0_SPDIF/AC3 right PHASE88 FW
with cache:
$ jack_lsp -A
system:capture_1
firewire_pcm:C0_dev0_Line_1/2 left PHASE88 FW
system:playback_1
firewire_pcm:P0_dev0_Multichannel 1 PHASE88 FW
