Javi Polo wrote: > While doing cman_tool join ... I got a segfault and this on the logs: > > Unable to handle kernel NULL pointer dereference at virtual address 0000019c > printing eip: > c034e80a > *pde = 00000000 > Oops: 0000 [#12] > Modules linked in: gfs lock_harness dlm cman ipv6 snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc > CPU: 0 > EIP: 0060:[<c034e80a>] Not tainted VLI > EFLAGS: 00010296 (2.6.12.3) > EIP is at sk_alloc+0x1b/0xd0 > eax: c1551180 ebx: 00000002 ecx: ffffff9c edx: 000000d0 > esi: 00000134 edi: 000000d0 ebp: ffffff9f esp: c2213ed8 > ds: 007b es: 007b ss: 0068 > Process cman_tool (pid: 4034, threadinfo=c2212000 task=c993fa80) > Stack: ca2850ac c886c074 00000286 00000002 cc1f3380 000000d0 ffffff9f e1aa90e7 > 0000001e 000000d0 00000134 c1551180 00000002 cc1f3380 00000002 e1aa933e > cc1f3380 000000d0 0000001e cc1f3380 c034c923 cc1f3380 00000002 00000001 > Call Trace: > [<e1aa90e7>] cl_alloc_sock+0x38/0x97 [cman] > [<e1aa933e>] cl_create+0x59/0x101 [cman] > [<c034c923>] __sock_create+0xc3/0x1c7 > [<c034ca56>] sock_create+0x2f/0x33 > [<c034cab5>] sys_socket+0x28/0x55 > [<c034d9ff>] sys_socketcall+0x89/0x251 > [<c0149e59>] filp_close+0x52/0x96 > [<c010dcbc>] do_page_fault+0x0/0x5bf > [<c0102865>] syscall_call+0x7/0xb > Code: ff ff ff c7 44 24 14 04 00 00 00 e9 75 fc ff ff 83 ec 1c 89 74 24 10 89 5c 24 0c 89 7c 24 14 89 6c 24 18 8b 74 24 28 8b 54 24 24 <8b> 46 68 85 c0 0f 84 8c 00 00 00 89 54 24 04 89 04 24 e8 a8 79 > > Has anybody a hint? > I compiled the kernel modules, and also made debian packages from the sources out there at ubuntu ... I'm with 2.6.12.3 in debian/sid ..... > The sk_alloc code has changed a few times in the kernel so it might be that the source you have compiled doesn't match the kernel it is running on. Though that usually results in a compile error rather than a runtime one! Which source are you using? -- patrick -- Linux-cluster@xxxxxxxxxx http://www.redhat.com/mailman/listinfo/linux-cluster