Description of problem: Netconsole is great. AMDFX-55 Nforce4 2GB ram Running an intensive stress test. Unable to handle kernel NULL pointer dereference at virtual address 00000001 printing eip: c0141718 *pde = 00000000 Oops: 0000 [#1] last sysfs file: /devices/system/cpu/cpu0/cpufreq/scaling_setspeed Modules linked in: ipv6 ppdev netconsole netdump autofs4 hidp rfcomm l2cap bluetooth sunrpc ip_conntrack_netbios_ns ipt_REJECT xt_state ip_conntrack nfnetlink xt_tcpudp iptable_filter ip_tables x_tables video button battery ac lp parport_pc parport floppy nvram ehci_hcd ohci1394 ohci_hcd ieee1394 sg skge forcedeth snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc i2c_nforce2 i2c_core dm_snapshot dm_zero dm_mirror dm_mod ext3 jbd sata_nv libata sd_mod scsi_mod CPU: 0 EIP: 0060:[<c0141718>] Not tainted VLI EFLAGS: 00010282 (2.6.15-1.2032_FC5 #1) EIP is at shrink_zone+0x7ab/0xcab eax: 00000001 ebx: f67a1594 ecx: f6480e14 edx: 00000001 esi: c1d91680 edi: 00000001 ebp: c0347c58 esp: f6480d04 ds: 007b es: 007b ss: 0068 Process cpuspeed (pid: 1393, threadinfo=f6480000 task=c21aa000) Stack: <0>00000026 f6480e14 0000063e 000014d3 00000000 00000012 00000020 00000000 00000000 00000021 00000004 00000001 c1de74c0 c1d6d0c0 c1b7e0c0 c18d64c0 c1b58cc0 c17f28c0 c18bd4c0 c1b760c0 c1c3fcc0 c175f0c0 c1a8dcc0 c1fa2cc0 Call Trace: [<c013fa30>] pdflush_operation+0x3a/0x8a [<c0142248>] try_to_free_pages+0x10d/0x1d9 [<c013e8ef>] __alloc_pages+0x17b/0x26c [<c0144a05>] __handle_mm_fault+0x11e/0x7c3 [<c02e0132>] do_page_fault+0x189/0x51d [<c02dffa9>] do_page_fault+0x0/0x51d [<c010367b>] error_code+0x4f/0x54 [<c01c64f8>] __copy_to_user_ll+0xcf/0xda [<c016f9ad>] seq_read+0x205/0x294 [<c016f7a8>] seq_read+0x0/0x294 [<c0154d49>] vfs_read+0x9f/0x13e [<c01550b0>] sys_read+0x3c/0x63 [<c0102bc1>] syscall_call+0x7/0xb <0>Code: f0 e8 5f 42 01 00 85 c0 0f 84 56 02 00 00 0f ba 36 04 68 2c 49 2e c0 68 0a f3 2f c0 e8 a3 96 fd ff 59 5f e9 69 01 00 00 8b 43 4c <83> 38 00 0f 84 28 02 00 00 8b 7b 54 b8 00 f0 ff ff 21 e0 8b 00
This is probably the Maxtor SATA II and Nvidia nforce4 incompatibility problem.