Could anybody tell me if I should care about this: Dec 18 01:27:22 jochen kernel: invalid operand: 0000 Dec 18 01:27:22 jochen kernel: CPU: 0 Dec 18 01:27:22 jochen kernel: EIP: 0010:[__free_pages_ok+26/464] Dec 18 01:27:22 jochen kernel: EFLAGS: 00210282 Dec 18 01:27:22 jochen kernel: eax: c136bc80 ebx: c136bc80 ecx: c136bc80 edx: ce651eb0 Dec 18 01:27:22 jochen kernel: esi: c136bc80 edi: 00000000 ebp: 40eb0000 esp: c25b9f00 Dec 18 01:27:22 jochen kernel: ds: 0018 es: 0018 ss: 0018 Dec 18 01:27:22 jochen kernel: Process xmms (pid: 4215, stackpage=c25b9000) Dec 18 01:27:22 jochen kernel: Stack: c136bc80 00040000 cc90dbc0 40eb0000 c1040000 00200203 ffffffff 000035e6 Dec 18 01:27:22 jochen kernel: c012b883 c012bda5 c136bc80 00040000 c0121161 c136bc80 000a7000 c012151f Dec 18 01:27:22 jochen kernel: 0daf2025 ccbf8bd0 000a7000 40ab0000 00000000 c337740c c337740c 40eb0000 Dec 18 01:27:22 jochen kernel: Call Trace: [__free_pages+27/28] [free_page_and_swap_cache+145/148] [__free_pte+81/88] [zap_page_range+375/540] [do_munmap+439/560] Dec 18 01:27:22 jochen kernel: [sys_munmap+54/92] [system_call+51/56] Dec 18 01:27:22 jochen kernel: Dec 18 01:27:22 jochen kernel: Code: 0f 0b 89 f0 2b 05 2c a8 2d c0 c1 f8 06 3b 05 20 a8 2d c0 72 Dec 18 01:27:22 jochen kernel: <6>Firewall:IN=ppp0 OUT= MAC= SRC=18.218.0.99 DST=80.131.16.224 LEN=60 TOS=0x00 PREC=0x00 TTL=49 ID=55876 DF PROTO=TCP SPT=38060 DPT=6346 WINDOW=5840 RES=0x00 SYN URGP=0 Dec 18 01:29:35 jochen pppoe[1797]: Bad TCP checksum ee7e