No sound on SB line2 anymore?

Since 2.4.0-test5, line2 on my Soundblaster 128 soundcard, which is connected to on my hauppauge winTV/pci TV card has been silent. I sure have turned line2 on with a mixer program. The external line connector sounds OK. lspci says: 00:0a.0 Multimedia audio controller: Ensoniq ES1370 [AudioPCI] (

2.4.0-test12 kernel BUG at buffer.c:765!

Dual pentium, aic7xxx, In the middle of mke2fs'ing /dev/md1 (3x18Gb disks): raid5: resync finished. kernel BUG at buffer.c:765! invalid operand: CPU:1 EIP:0010:[] EFLAGS: 00010286 eax: 001c ebx: dc043b28 ecx: edx: 0100 esi: c56a3160 edi: c56a3000 ebp: dc043