[Sorry if this is a known issue, but I've tried to browse various FAQs and list archives without result.]
When installing libc6_2.0.95-980825-0.1 I get a lot of register dumps like this: Unimplemented SPARC system call 103 PSR: 00401080 PC: e011142c NPC: e0111430 Y: 04000000 g0: 00000000 g1: 00000067 g2: effffb0c g3: e0002833 g4: 00000008 g5: 00000000 g6: 00000000 g7: 00000000 o0: 00000001 o1: 00000000 o2: 000a52a0 o3: 00000004 o4: e002df88 o5: 00012c7c sp: effffb70 ret_pc: e011043c l0: e01ee700 l1: 00000000 l2: 00000001 l3: e00f5500 l4: e00f2240 l5: 0000036e l6: 00000004 l7: e01ed740 i0: 00000001 i1: 00000000 i2: 000a52a0 i3: 000a5000 i4: e001d0d0 i5: e00f2240 i6: effffbd8 i7: e011015c Unimplemented SPARC system call 119 PSR: 00400085 PC: e019bc70 NPC: e019bc74 Y: 58800000 g0: 00000000 g1: 00000077 g2: effff97c g3: 00016d3f g4: 00000008 g5: 00000000 g6: 00000000 g7: 00000000 o0: 000a5d00 o1: 00000400 o2: 00000000 o3: 0006c764 o4: e00ec000 o5: 7efefeff sp: effffbc0 ret_pc: e011043c l0: e01ee700 l1: 00000000 l2: 00000001 l3: 00000008 l4: 00000010 l5: 00000000 l6: 00000000 l7: e01ed740 i0: 00000001 i1: 00000000 i2: 000a52a0 i3: 000a5000 i4: 0000006c i5: 00000434 i6: effffc28 i7: e011015c Backing to libc5_2.0.93-980414-1 solved the problem. This is on an IPC with a color fb card and PROM 1.6. /Martin

