kernel 2.4.16 SMP PIII Katmai the system is installed from mandrake 8.1 CD's. then I've installed and recompile a new kernel. i've attached the .config (just in case) see below for more info Any help would be appreciated, in the mean while i will recompile the kswapd and ipopd3 Thanks Andre Here is the ERROR reported; ... kernel BUG at page_alloc.c:76! invalid operand: 0000 CPU: 0 EIP: 0010:[] Not tainted EFLAGS: 00010286 eax: 0000001f ebx: c153a7d0 ecx: c0263624 edx: 00004646 esi: c153a7d0 edi: d7914ec8 ebp: 00000000 esp: d7ef3f08 ds: 0018 es: 0018 ss: 0018 Process kswapd (pid: 5, stackpage=d7ef3000) Stack: c023c695 0000004c c1044010 c0264ac8 00000203 000001d0 c153a7d0 d7914ec8 c153a7d0 00000012 000026b0 c01387c7 d7ed08cc 00000100 000001d0 c0264aac 00000000 00000000 00000000 00000000 00000020 000001d0 00000006 00000020 Call Trace: [] [] [] [] [] [] [] [] [] [] Code: 0f 0b 59 5e 8b 15 6c 2a 2e c0 89 d8 29 d0 69 c0 f1 f0 f0 f0 kernel BUG at page_alloc.c:76! invalid operand: 0000 CPU: 0 EIP: 0010:[] Not tainted EFLAGS: 00010282 eax: 0000001f ebx: c153a7d0 ecx: c0263624 edx: 0000497e esi: c153a7d0 edi: d7914ec8 ebp: 00000000 esp: cb143ed4 ds: 0018 es: 0018 ss: 0018 Process ipop3d (pid: 32071, stackpage=cb143000) Stack: c023c695 0000004c c6c15254 00000020 c012fd45 0000001f 00005a3c 00001000 c153a7d0 d7914ec8 0000475f c013006c cb143f5c c153a7d0 00000000 00001000 00001000 00000001 00000000 00000000 d7914e0c 00000000 d7ed1d9c c02fd6e0 Call Trace: [] [] [] [] [] [] [] [] [] Code: 0f 0b 59 5e 8b 15 6c 2a 2e c0 89 d8 29 d0 69 c0 f1 f0 f0 f0 ... cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 7 model name : Pentium III (Katmai) stepping : 3 cpu MHz : 551.257 cache size : 512 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse bogomips : 1101.00 processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 7 model name : Pentium III (Katmai) stepping : 3 cpu MHz : 551.257 cache size : 512 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse bogomips : 1101.00 cat /proc/pci PCI devices found: Bus 0, device 0, function 0: Host bridge: Intel Corp. 440BX/ZX - 82443BX/ZX Host bridge (rev 3). Master Capable. Latency=64. Prefetchable 32 bit memory at 0xe4000000 [0xe7ffffff]. Bus 0, device 1, function 0: PCI bridge: Intel Corp. 440BX/ZX - 82443BX/ZX AGP bridge (rev 3). Master Capable. Latency=64. Min Gnt=136. Bus 0, device 4, function 0: ISA bridge: Intel Corp. 82371AB PIIX4 ISA (rev 2). Bus 0, device 4, function 1: IDE interface: Intel Corp. 82371AB PIIX4 IDE (rev 1). Master Capable. Latency=32. I/O at 0xb800 [0xb80f]. Bus 0, device 4, function 2: USB Controller: Intel Corp. 82371AB PIIX4 USB (rev 1). IRQ 19. Master Capable. Latency=32. I/O at 0xb400 [0xb41f]. Bus 0, device 4, function 3: Bridge: Intel Corp. 82371AB PIIX4 ACPI (rev 2). IRQ 9. Bus 0, device 11, function 0: Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139 (rev 16). IRQ 17. Master Capable. Latency=32. Min Gnt=32.Max Lat=64. I/O at 0xb000 [0xb0ff]. Non-prefetchable 32 bit memory at 0xe1000000 [0xe10000ff]. Bus 0, device 12, function 0: SCSI storage controller: BusLogic BT-946C (BA80C30) [MultiMaster 10] (rev 8). IRQ 16. Master Capable. Latency=32. Min Gnt=8.Max Lat=8. I/O at 0xa800 [0xa803]. Non-prefetchable 32 bit memory at 0xe0800000 [0xe0800fff]. Bus 1, device 0, function 0: VGA compatible controller: ATI Technologies Inc 3D Rage Pro AGP 1X/2X (rev 92). Master Capable. Latency=64. Min Gnt=8. Non-prefetchable 32 bit memory at 0xe2000000 [0xe2ffffff]. I/O at 0xd800 [0xd8ff]. Non-prefetchable 32 bit memory at 0xe1800000 [0xe1800fff]. _________________________________________________________________ Join the world’s largest e-mail service with MSN Hotmail. http://www.hotmail.com