Same problem here (recording "stops" after a few seconds for all audacity versions > 1.3.5; works correctly with 1.3.5), but with a different soundcard (cheap "soundcard" bundled with my laptop, actually):
$ cat /proc/asound/cards 0 [I82801CAICH3 ]: ICH - Intel 82801CA-ICH3 Intel 82801CA-ICH3 with YMF753 at irq 11 1 [Modem ]: ICH-MODEM - Intel 82801CA-ICH3 Modem Intel 82801CA-ICH3 Modem at irq 11 $ lspci -v [...] 00:1f.5 Multimedia audio controller: Intel Corporation 82801CA/CAM AC'97 Audio Controller (rev 02) Subsystem: Toshiba America Info Systems Device 0001 Flags: bus master, medium devsel, latency 0, IRQ 11 I/O ports at 1000 [size=256] I/O ports at 1880 [size=64] Kernel driver in use: Intel ICH [...] $ lsmod|grep snd snd_seq_dummy 2464 0 snd_seq_oss 25472 0 snd_seq_midi_event 6780 1 snd_seq_oss snd_pcm_oss 35168 0 snd_mixer_oss 15772 1 snd_pcm_oss snd_intel8x0m 13000 0 snd_intel8x0 27800 4 snd_ac97_codec 92892 2 snd_intel8x0m,snd_intel8x0 ac97_bus 1468 1 snd_ac97_codec snd_pcm 70820 5 snd_pcm_oss,snd_intel8x0m,snd_intel8x0,snd_ac97_codec snd_seq 44496 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event snd_timer 20448 3 snd_pcm,snd_seq snd_seq_device 6600 3 snd_seq_dummy,snd_seq_oss,snd_seq snd 52964 16 snd_seq_oss,snd_pcm_oss,snd_mixer_oss,snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_seq,snd_timer,snd_seq_device soundcore 7232 1 snd snd_page_alloc 8452 3 snd_intel8x0m,snd_intel8x0,snd_pcm -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org