Hi, Is there any hacker out there using oprofile with success?. I'm a SuSE 8.2 user running Official k_athlon.rpm kernel. I also installed suse oprofile.rpm. I was very excited about the possibility to use so promissing profiler, but I can't use it. When I try to use it, following REAME and HTML docs, there is a Segfault when trying to load module Oprofile. This occurs whatever argument I set to opcontrol. The following message is doing modprobe oprofile. Any suggestión? May 17 22:48:55 bach kernel: Unable to handle kernel paging request at virtual address ffffe030 May 17 22:48:55 bach kernel: printing eip: May 17 22:48:55 bach kernel: d0551994 May 17 22:48:55 bach kernel: *pde = 00004063 May 17 22:48:55 bach kernel: Oops: 0000 2.4.20-4GB-athlon #1 Wed Apr 16 14:44:03 UTC 2003 May 17 22:48:55 bach kernel: CPU: 0 May 17 22:48:55 bach kernel: EIP: 0010:[lvm-mod:vg+239760852/6961462] Not tainted May 17 22:48:55 bach kernel: EIP: 0010:[<d0551994>] Not tainted May 17 22:48:55 bach kernel: EFLAGS: 00010202 May 17 22:48:55 bach kernel: eax: fee00900 ebx: d0550000 ecx: 0000001b edx: 00000000 May 17 22:48:55 bach kernel: esi: 00000000 edi: d3788549 ebp: ffffffea esp: d3885ee4 May 17 22:48:55 bach kernel: ds: 0018 es: 0018 ss: 0018 May 17 22:48:55 bach kernel: Process modprobe.old (pid: 2349, stackpage=d3885000) May 17 22:48:55 bach kernel: Stack: d0550000 d0551a96 d3788549 ffffffea d0552575 00000000 d0550000 d05515fd May 17 22:48:55 bach kernel: d0550000 00000000 d0550000 d0550000 c011eca8 d0550060 081106c0 0000edcc May 17 22:48:55 bach kernel: 00000000 00000000 0811d514 0000ceb4 00000060 00000060 00000008 00000000 May 17 22:48:55 bach kernel: Call Trace: [lvm-mod:vg+239761110/6961204] [lvm-mod:vg+239763893/6958421] [lvm-mod:vg+239759933/6962381] [sys_init_module+1592/1744] [lvm-mod:vg+239754400/6967914] May 17 22:48:55 bach kernel: Call Trace: [<d0551a96>] [<d0552575>] [<d05515fd>] [<c011eca8>] [<d0550060>] May 17 22:48:55 bach kernel: [lvm-mod:vg+239754400/6967914] [system_call+51/56] May 17 22:48:55 bach kernel: [<d0550060>] [<c0108e67>] May 17 22:48:55 bach kernel: Modules: [(oprofile:<d0550060>:<d055ee2c>)] May 17 22:48:55 bach kernel: Code: 8b 15 30 e0 ff ff 80 e2 f0 74 31 a1 30 e0 ff ff c1 e8 10 3c Guillermo -- Guillermo Ballester Valor gbv@oxixares.com Ogijares, Granada SPAIN