From Bugzilla Helper: User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.4) Gecko/20030624 Description of problem: Original configuration: Intel Motherboard (SE440BX-2) with 1 128MB DIMM. System ran fine except for thrashing when running memory expensive applications (pan, openoffice, modzilla, etc) Upgraded BIOS to allow the use of 256MB DIMMs and expand the Max allowable config from 384MB to 768MB. Ran with new BIOS for two weeks with no problem. Added 512MB (by adding 2 256MB DIMMs) for a total of 640MB. BIOS post test found no problems with memory, but system would periodically freeze up and stop responding to the network. Version-Release number of selected component (if applicable): kernel-2.4.20-20.9 How reproducible: Always Steps to Reproduce: 1.Boot System 2.Run a number of memory intensive apps (modzilla, pan, openoffice, or lot's of small jobs.) Actual Results: The system will eventually freeze up. The speed at which this happens seems to be dependant on the number of tasks concurrently running. Expected Results: Continue Running. Additional info: The machine is also running samba, named, sshd, apache, mysql, mailman, fetchmail, postfix, squirrelmail.... This was found in /var/log/messages: Dec 29 02:05:01 lava kernel: ------------[ cut here ]------------ Dec 29 02:05:01 lava kernel: kernel BUG at page_alloc.c:139! Dec 29 02:05:01 lava kernel: invalid operand: 0000 Dec 29 02:05:01 lava kernel: ymfpci ac97_codec uart401 sound soundcore binfmt_misc parport_pc lp parport autofs ne2k-pci 8390 ipt_REJECT iptable_filter ip_tables sg sr_mod ide-scsi scsi_m Dec 29 02:05:01 lava kernel: CPU: 0 Dec 29 02:05:01 lava kernel: EIP: 0060:[<c013e91d>] Not tainted Dec 29 02:05:01 lava kernel: EFLAGS: 00010202 Dec 29 02:05:01 lava kernel: Dec 29 02:05:01 lava kernel: EIP is at __free_pages_ok [kernel] 0xdd (2.4.20-20.9) Dec 29 02:05:01 lava kernel: eax: 01000050 ebx: c185d118 ecx: c1000030 edx: 263a54a8 Dec 29 02:05:01 lava kernel: esi: 00000000 edi: 00000000 ebp: 00000000 esp: cc439eb4 Dec 29 02:05:01 lava kernel: ds: 0068 es: 0068 ss: 0068 Dec 29 02:05:01 lava kernel: Process python (pid: 4612, stackpage=cc439000) Dec 29 02:05:01 lava kernel: Stack: 00000000 c1870ba8 cd2a5400 00000000 df9ab680 cd2a5400 df9ab680 cc42239c Dec 29 02:05:01 lava kernel: cc42239c 000a6000 c185d118 cc42239c 000a6000 263bb025 c012edec c185d118 Dec 29 02:05:01 lava kernel: 0009f000 c0131457 d2e0d980 0809f000 cc42239c c011750c 0000008d 08400000 Dec 29 02:05:01 lava kernel: Call Trace: [<c012edec>] __free_pte [kernel] 0x4c (0xcc439eec)) Dec 29 02:05:01 lava kernel: [<c0131457>] zap_pte_range [kernel] 0x137 (0xcc439ef8)) Dec 29 02:05:01 lava kernel: [<c011750c>] do_page_fault [kernel] 0x16c (0xcc439f08)) Dec 29 02:05:01 lava kernel: [<c012f45b>] zap_page_range [kernel] 0xcb (0xcc439f20)) Dec 29 02:05:01 lava kernel: [<c01329df>] exit_mmap [kernel] 0xaf (0xcc439f60)) Dec 29 02:05:01 lava kernel: [<c011a42a>] mmput [kernel] 0x4a (0xcc439f84)) Dec 29 02:05:01 lava kernel: [<c011f911>] do_exit [kernel] 0xf1 (0xcc439f94)) Dec 29 02:05:01 lava kernel: [<c011fbb4>] do_group_exit [kernel] 0x54 (0xcc439fb0)) Dec 29 02:05:01 lava kernel: [<c010953f>] system_call [kernel] 0x33 (0xcc439fc0)) Dec 29 02:05:01 lava kernel: Dec 29 02:05:01 lava kernel: Dec 29 02:05:01 lava kernel: Code: 0f 0b 8b 00 6a 1a 26 c0 b8 02 00 00 00 0f b3 43 18 b8 04 00 Dec 31 06:15:02 lava kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000074 Dec 31 06:15:02 lava kernel: printing eip: Dec 31 06:15:02 lava kernel: c014452b Dec 31 06:15:02 lava kernel: *pde = 1f319067 Dec 31 06:15:02 lava kernel: *pte = 00000000 Dec 31 06:15:02 lava kernel: Oops: 0000 Dec 31 06:15:02 lava kernel: ymfpci ac97_codec uart401 sound soundcore binfmt_misc parport_pc lp parport autofs ne2k-pci 8390 ipt_REJECT iptable_filter ip_tables sg sr_mod ide-scsi scsi_m Dec 31 06:15:02 lava kernel: CPU: 0 Dec 31 06:15:02 lava kernel: EIP: 0060:[<c014452b>] Not tainted Dec 31 06:15:02 lava kernel: EFLAGS: 00013202 Dec 31 06:15:02 lava kernel: Dec 31 06:15:02 lava kernel: EIP is at page_referenced [kernel] 0x21b (2.4.20-20.9) Dec 31 06:15:02 lava kernel: eax: c128b730 ebx: 0000036c ecx: 00000000 edx: 00000001 Dec 31 06:15:02 lava kernel: esi: 0000001d edi: e4cc5e80 ebp: 00000001 esp: e7ff3f84 Dec 31 06:15:02 lava kernel: ds: 0068 es: 0068 ss: 0068 Dec 31 06:15:02 lava kernel: Process kscand/Normal (pid: 7, stackpage=e7ff3000) Dec 31 06:15:02 lava kernel: Stack: e4cc5200 00000000 00000001 e7ff3fb4 c1877d30 c1877d30 c0310c4c c1879524 Dec 31 06:15:02 lava kernel: 00000003 c013ca3e 00000000 e7ff2000 00000001 00000003 e7ff2000 c0310a80 Dec 31 06:15:02 lava kernel: e7ff2000 c013dc54 c0310a80 00000003 00000000 c0261a5b 000009c4 c013db60 Dec 31 06:15:02 lava kernel: Call Trace: [<c013ca3e>] scan_active_list [kernel] 0x3e (0xe7ff3fa8)) Dec 31 06:15:02 lava kernel: [<c013dc54>] kscand [kernel] 0xf4 (0xe7ff3fc8)) Dec 31 06:15:02 lava kernel: [<c013db60>] kscand [kernel] 0x0 (0xe7ff3fe0)) Dec 31 06:15:02 lava kernel: [<c010742d>] kernel_thread_helper [kernel] 0x5 (0xe7ff3ff0)) Dec 31 06:15:02 lava kernel: Dec 31 06:15:02 lava kernel: Dec 31 06:15:02 lava kernel: Code: 8b 41 74 39 41 60 0f 43 54 24 04 45 4e 89 54 24 04 0f 89 3e Dec 31 14:55:01 lava kernel: memory.c:172: bad pmd 00080000. Dec 31 19:03:55 lava kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000078 Dec 31 19:03:55 lava kernel: printing eip: Dec 31 19:03:55 lava kernel: c015fc9d Dec 31 19:03:55 lava kernel: *pde = 00000000 Dec 31 19:03:55 lava kernel: Oops: 0000 Dec 31 19:03:55 lava kernel: ymfpci ac97_codec uart401 sound soundcore binfmt_misc parport_pc lp parport autofs ne2k-pci 8390 ipt_REJECT iptable_filter ip_tables sg sr_mod ide-scsi scsi_m Dec 31 19:03:55 lava kernel: CPU: 0 Dec 31 19:03:55 lava kernel: EIP: 0060:[<c015fc9d>] Not tainted Dec 31 19:03:55 lava kernel: EFLAGS: 00010292 Dec 31 19:03:55 lava kernel: Dec 31 19:03:55 lava kernel: EIP is at dnotify_flush [kernel] 0x1d (2.4.20-20.9) Dec 31 19:03:55 lava kernel: eax: dcaefe80 ebx: d00ca800 ecx: 00000000 edx: 00000046 Dec 31 19:03:55 lava kernel: esi: e09c8b00 edi: d00ca800 ebp: 00000001 esp: d4ff5f4c Dec 31 19:03:55 lava kernel: ds: 0068 es: 0068 ss: 0068 Dec 31 19:03:55 lava kernel: Process pickup (pid: 15687, stackpage=d4ff5000) Dec 31 19:03:55 lava kernel: Stack: 00004000 e5f90100 d00ca800 e09c8b00 00000000 c0146aea d00ca800 e09c8b00 Dec 31 19:03:55 lava kernel: 00000001 00000007 e09c8b00 c011f23c d00ca800 e09c8b00 df9ab380 00000000 Dec 31 19:03:55 lava kernel: d4ff4000 00000000 c011f930 e09c8b00 00000292 00000000 d4ff4000 4045eb4c Dec 31 19:03:55 lava kernel: Call Trace: [<c0146aea>] filp_close [kernel] 0x3a (0xd4ff5f60)) Dec 31 19:03:55 lava kernel: [<c011f23c>] put_files_struct [kernel] 0x6c (0xd4ff5f78)) Dec 31 19:03:55 lava kernel: [<c011f930>] do_exit [kernel] 0x110 (0xd4ff5f94)) Dec 31 19:03:55 lava kernel: [<c011fbb4>] do_group_exit [kernel] 0x54 (0xd4ff5fb0)) Dec 31 19:03:55 lava kernel: [<c010953f>] system_call [kernel] 0x33 (0xd4ff5fc0)) Dec 31 19:03:55 lava kernel: Dec 31 19:03:55 lava kernel: Dec 31 19:03:55 lava kernel: Code: 0f b7 42 32 25 00 f0 ff ff 66 3d 00 40 74 14 8b 5c 24 08 8b Jan 1 02:09:31 lava kernel: <1>Unable to handle kernel paging request at virtual address 6c657260 Jan 1 02:09:31 lava kernel: printing eip: Jan 1 02:09:31 lava kernel: c015c4e1 Jan 1 02:09:31 lava kernel: *pde = 00000000 Jan 1 02:09:31 lava kernel: Oops: 0000 Jan 1 02:09:31 lava kernel: ymfpci ac97_codec uart401 sound soundcore binfmt_misc parport_pc lp parport autofs ne2k-pci 8390 ipt_REJECT iptable_filter ip_tables sg sr_mod ide-scsi scsi_m Jan 1 02:09:31 lava kernel: CPU: 0 Jan 1 02:09:31 lava kernel: EIP: 0060:[<c015c4e1>] Not tainted Jan 1 02:09:31 lava kernel: EFLAGS: 00010a87 Jan 1 02:09:31 lava kernel: Jan 1 02:09:31 lava kernel: EIP is at d_lookup [kernel] 0x61 (2.4.20-20.9) Jan 1 02:09:31 lava kernel: eax: e7e03290 ebx: 6c65722c ecx: 00000011 edx: e7e00000 Jan 1 02:09:31 lava kernel: esi: 6c65721c edi: d37e7800 ebp: 0f13111f esp: e05e1ee0 Jan 1 02:09:31 lava kernel: ds: 0068 es: 0068 ss: 0068 Jan 1 02:09:31 lava kernel: Process cleanup (pid: 16970, stackpage=e05e1000) Jan 1 02:09:31 lava kernel: Stack: c01528cb e8822e80 c28ec009 ffffffec 6c65721c e7e03290 c28ec009 0000000c Jan 1 02:09:31 lava kernel: 00000000 e74b1c80 d37e7800 e05e1f8c c01528cb d37e7800 e05e1f8c 00000000 Jan 1 02:09:31 lava kernel: c0153592 d37e7800 e05e1f8c 00000000 ffffffeb 000000c3 d37e7800 e05e1f84 Jan 1 02:09:31 lava kernel: Call Trace: [<c01528cb>] cached_lookup [kernel] 0x1b (0xe05e1ee0)) Jan 1 02:09:31 lava kernel: [<e8822e80>] ext3_lookup [ext3] 0x0 (0xe05e1ee4)) Jan 1 02:09:31 lava kernel: [<c01528cb>] cached_lookup [kernel] 0x1b (0xe05e1f10)) Jan 1 02:09:31 lava kernel: [<c0153592>] lookup_hash [kernel] 0x72 (0xe05e1f20)) Jan 1 02:09:31 lava kernel: [<c0153b07>] open_namei [kernel] 0x307 (0xe05e1f40)) Jan 1 02:09:31 lava kernel: [<c0146679>] filp_open [kernel] 0x49 (0xe05e1f70)) Jan 1 02:09:31 lava kernel: [<c0146a33>] sys_open [kernel] 0x53 (0xe05e1fa8)) Jan 1 02:09:31 lava kernel: [<c010953f>] system_call [kernel] 0x33 (0xe05e1fc0)) Jan 1 02:09:31 lava kernel: Jan 1 02:09:31 lava kernel: Jan 1 02:09:31 lava kernel: Code: 39 6e 44 8b 1b 75 e8 8b 7c 24 34 39 7e 0c 75 df 8b 57 4c 85 Jan 1 04:02:09 lava kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000034 Jan 1 04:02:09 lava kernel: printing eip: Jan 1 04:02:09 lava kernel: c015c4e1 Jan 1 04:02:09 lava kernel: *pde = 00000000 Jan 1 04:02:09 lava kernel: Oops: 0000 Jan 1 04:02:09 lava kernel: ymfpci ac97_codec uart401 sound soundcore binfmt_misc parport_pc lp parport autofs ne2k-pci 8390 ipt_REJECT iptable_filter ip_tables sg sr_mod ide-scsi scsi_m Jan 1 04:02:09 lava kernel: CPU: 0 Jan 1 04:02:09 lava kernel: EIP: 0060:[<c015c4e1>] Not tainted Jan 1 04:02:09 lava kernel: EFLAGS: 00010203 Jan 1 04:02:09 lava kernel: Jan 1 04:02:09 lava kernel: EIP is at d_lookup [kernel] 0x61 (2.4.20-20.9) Jan 1 04:02:09 lava kernel: eax: e7e77080 ebx: 00000000 ecx: 00000011 edx: e7e00000 Jan 1 04:02:09 lava kernel: esi: fffffff0 edi: 00000000 ebp: 2462f5f2 esp: e05cde8c Jan 1 04:02:09 lava kernel: ds: 0068 es: 0068 ss: 0068 Jan 1 04:02:09 lava kernel: Process find (pid: 17339, stackpage=e05cd000) Jan 1 04:02:09 lava kernel: Stack: 0008054c e8822f1b e0baa500 e0ba9680 fffffff0 e7e77080 c0cfe000 0000001a Jan 1 04:02:09 lava kernel: c0cfe000 c0cfe01a 00000000 e05cdf48 c01528cb dd039600 e05cdeec c0cfe000 Jan 1 04:02:09 lava kernel: c0152f19 dd039600 e05cdeec 00000000 00000008 00000000 c9aa5680 00000000 Jan 1 04:02:09 lava kernel: Call Trace: [<e8822f1b>] ext3_lookup [ext3] 0x9b (0xe05cde90)) Jan 1 04:02:09 lava kernel: [<c01528cb>] cached_lookup [kernel] 0x1b (0xe05cdebc)) Jan 1 04:02:09 lava kernel: [<c0152f19>] link_path_walk [kernel] 0x3d9 (0xe05cdecc)) Jan 1 04:02:09 lava kernel: [<c0153409>] path_lookup [kernel] 0x39 (0xe05cdf0c)) Jan 1 04:02:09 lava kernel: [<c01536a9>] __user_walk [kernel] 0x49 (0xe05cdf1c)) Jan 1 04:02:09 lava kernel: [<c014f01f>] vfs_lstat [kernel] 0x1f (0xe05cdf38)) Jan 1 04:02:09 lava kernel: [<c014f67b>] sys_lstat64 [kernel] 0x1b (0xe05cdf70)) Jan 1 04:02:09 lava kernel: [<c010953f>] system_call [kernel] 0x33 (0xe05cdfc0)) Jan 1 04:02:09 lava kernel: Jan 1 04:02:10 lava kernel: Jan 1 04:02:10 lava kernel: Code: 39 6e 44 8b 1b 75 e8 8b 7c 24 34 39 7e 0c 75 df 8b 57 4c 85 Jan 1 04:02:55 lava kernel: <1>Unable to handle kernel paging request at virtual address 10101044 Jan 1 04:02:55 lava kernel: printing eip: Jan 1 04:02:55 lava kernel: c015c4e1 Jan 1 04:02:55 lava kernel: *pde = 00000000 Jan 1 04:02:55 lava kernel: Oops: 0000 Jan 1 04:02:55 lava kernel: ymfpci ac97_codec uart401 sound soundcore binfmt_misc parport_pc lp parport autofs ne2k-pci 8390 ipt_REJECT iptable_filter ip_tables sg sr_mod ide-scsi scsi_m Jan 1 04:02:55 lava kernel: CPU: 0 Jan 1 04:02:55 lava kernel: EIP: 0060:[<c015c4e1>] Not tainted Jan 1 04:02:55 lava kernel: EFLAGS: 00010217 Jan 1 04:02:55 lava kernel: Jan 1 04:02:55 lava kernel: EIP is at d_lookup [kernel] 0x61 (2.4.20-20.9) Jan 1 04:02:55 lava kernel: eax: e7e49f98 ebx: 10101010 ecx: 00000011 edx: e7e00000 Jan 1 04:02:55 lava kernel: esi: 10101000 edi: 00000000 ebp: b0c549e6 esp: dc2f1e8c Jan 1 04:02:55 lava kernel: ds: 0068 es: 0068 ss: 0068 Jan 1 04:02:55 lava kernel: Process updatedb (pid: 17479, stackpage=dc2f1000) Jan 1 04:02:55 lava kernel: Stack: 00007e46 e8822f1b e5e3d100 e67c1180 10101000 e7e49f98 dc44a000 00000006 Jan 1 04:02:55 lava kernel: dc44a000 dc44a006 00000000 dc2f1f48 c01528cb cbc07b80 dc2f1eec dc44a000 Jan 1 04:02:55 lava kernel: c0152f19 cbc07b80 dc2f1eec 00000000 00000008 00000000 e10a5d80 00000000 Jan 1 04:02:55 lava kernel: Call Trace: [<e8822f1b>] ext3_lookup [ext3] 0x9b (0xdc2f1e90)) Jan 1 04:02:55 lava kernel: [<c01528cb>] cached_lookup [kernel] 0x1b (0xdc2f1ebc)) Jan 1 04:02:55 lava kernel: [<c0152f19>] link_path_walk [kernel] 0x3d9 (0xdc2f1ecc)) Jan 1 04:02:55 lava kernel: [<c0153409>] path_lookup [kernel] 0x39 (0xdc2f1f0c)) Jan 1 04:02:55 lava kernel: [<c01536a9>] __user_walk [kernel] 0x49 (0xdc2f1f1c)) Jan 1 04:02:55 lava kernel: [<c014f01f>] vfs_lstat [kernel] 0x1f (0xdc2f1f38)) Jan 1 04:02:55 lava kernel: [<c014f67b>] sys_lstat64 [kernel] 0x1b (0xdc2f1f70)) Jan 1 04:02:55 lava kernel: [<c010953f>] system_call [kernel] 0x33 (0xdc2f1fc0)) Jan 1 04:02:55 lava kernel: Jan 1 04:02:55 lava kernel: Jan 1 04:02:55 lava kernel: Code: 39 6e 44 8b 1b 75 e8 8b 7c 24 34 39 7e 0c 75 df 8b 57 4c 85 Jan 1 05:00:00 lava kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000034 Jan 1 05:00:00 lava kernel: printing eip: Jan 1 05:00:00 lava kernel: c015c4e1 Jan 1 05:00:00 lava kernel: *pde = 00000000 Jan 1 05:00:00 lava kernel: Oops: 0000 Jan 1 05:00:00 lava kernel: ymfpci ac97_codec uart401 sound soundcore binfmt_misc parport_pc lp parport autofs ne2k-pci 8390 ipt_REJECT iptable_filter ip_tables sg sr_mod ide-scsi scsi_m Jan 1 05:00:00 lava kernel: CPU: 0 Jan 1 05:00:00 lava kernel: EIP: 0060:[<c015c4e1>] Not tainted Jan 1 05:00:00 lava kernel: EFLAGS: 00010203 Jan 1 05:00:00 lava kernel: Jan 1 05:00:00 lava kernel: EIP is at d_lookup [kernel] 0x61 (2.4.20-20.9) Jan 1 05:00:00 lava kernel: eax: e7ecbd90 ebx: 00000000 ecx: 00000011 edx: e7e00000 Jan 1 05:00:01 lava kernel: esi: fffffff0 edi: 00000000 ebp: 383d8dba esp: dc1abeb0 Jan 1 05:00:01 lava kernel: ds: 0068 es: 0068 ss: 0068 Jan 1 05:00:01 lava kernel: Process python (pid: 17581, stackpage=dc1ab000) Jan 1 05:00:01 lava kernel: Stack: d4f9a01b 00000000 dc1abf48 d4f9a01b fffffff0 e7ecbd90 d4f9a017 00000007 Jan 1 05:00:01 lava kernel: d4f9a017 d4f9a01e 00000000 dc1abf84 c01528cb c1fecc00 dc1abf10 d4f9a017 Jan 1 05:00:01 lava kernel: c0152f19 c1fecc00 dc1abf10 00000000 00000001 00000000 df4c1580 00000000 Jan 1 05:00:01 lava kernel: Call Trace: [<c01528cb>] cached_lookup [kernel] 0x1b (0xdc1abee0)) Jan 1 05:00:01 lava kernel: [<c0152f19>] link_path_walk [kernel] 0x3d9 (0xdc1abef0)) Jan 1 05:00:01 lava kernel: [<c01536bc>] __user_walk [kernel] 0x5c (0xdc1abf1c)) Jan 1 05:00:01 lava kernel: [<c0153409>] path_lookup [kernel] 0x39 (0xdc1abf30)) Jan 1 05:00:01 lava kernel: [<c015387e>] open_namei [kernel] 0x7e (0xdc1abf40)) Jan 1 05:00:01 lava kernel: [<c0146679>] filp_open [kernel] 0x49 (0xdc1abf70)) Jan 1 05:00:01 lava kernel: [<c0146a33>] sys_open [kernel] 0x53 (0xdc1abfa8)) Jan 1 05:00:01 lava kernel: [<c010953f>] system_call [kernel] 0x33 (0xdc1abfc0)) Jan 1 05:00:01 lava kernel: Jan 1 05:00:01 lava kernel: Jan 1 05:00:01 lava kernel: Code: 39 6e 44 8b 1b 75 e8 8b 7c 24 34 39 7e 0c 75 df 8b 57 4c 85 Jan 1 05:01:04 lava kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 Jan 1 05:01:04 lava kernel: printing eip: Jan 1 05:01:04 lava kernel: c015bddd Jan 1 05:01:04 lava kernel: *pde = 00000000 Jan 1 05:01:04 lava kernel: Oops: 0002 Jan 1 05:01:04 lava kernel: ymfpci ac97_codec uart401 sound soundcore binfmt_misc parport_pc lp parport autofs ne2k-pci 8390 ipt_REJECT iptable_filter ip_tables sg sr_mod ide-scsi scsi_m Jan 1 05:01:04 lava kernel: CPU: 0 Jan 1 05:01:04 lava kernel: EIP: 0060:[<c015bddd>] Not tainted Jan 1 05:01:04 lava kernel: EFLAGS: 00010206 Jan 1 05:01:04 lava kernel: Jan 1 05:01:04 lava kernel: EIP is at prune_dcache [kernel] 0x2d (2.4.20-20.9) Jan 1 05:01:04 lava kernel: eax: c0311dc0 ebx: dcaef298 ecx: dc5ce000 edx: 00000000 Jan 1 05:01:04 lava kernel: esi: dcaef280 edi: 00000000 ebp: 000010fd esp: e7ff7f94 Jan 1 05:01:04 lava kernel: ds: 0068 es: 0068 ss: 0068 Jan 1 05:01:04 lava kernel: Process kswapd (pid: 5, stackpage=e7ff7000) Jan 1 05:01:04 lava kernel: Stack: e5cd0700 dc5ce800 e7ff6000 00000000 000001d0 00000000 c015c214 00001158 Jan 1 05:01:04 lava kernel: c013d3fb 00000006 000001d0 e7ff6000 e7ff6000 00000000 e7ff6305 00000000 Jan 1 05:01:05 lava kernel: c013d6c3 000001d0 00000002 000001d0 c013d640 00000000 00000000 c010742d Jan 1 05:01:05 lava kernel: Call Trace: [<c015c214>] shrink_dcache_memory [kernel] 0x24 (0xe7ff7fac)) Jan 1 05:01:05 lava kernel: [<c013d3fb>] do_try_to_free_pages_kswapd [kernel] 0x1b (0xe7ff7fb4)) Jan 1 05:01:05 lava kernel: [<c013d6c3>] kswapd [kernel] 0x83 (0xe7ff7fd4)) Jan 1 05:01:05 lava kernel: [<c013d640>] kswapd [kernel] 0x0 (0xe7ff7fe4)) Jan 1 05:01:05 lava kernel: [<c010742d>] kernel_thread_helper [kernel] 0x5 (0xe7ff7ff0)) Jan 1 05:01:05 lava kernel: Jan 1 05:01:05 lava kernel: Jan 1 05:01:05 lava kernel: Code: 89 02 89 5b 04 89 1b 8b 46 54 a9 08 00 00 00 0f 85 0d 01 00 Jan 1 12:36:40 lava syslogd 1.4.1: restart.
Things to try. 1) As this only appeared when after you upgraded dimms, try running memtest86 for a day or two. Sometimes it takes a while for something to show up. 2) Try the errata kernel. As well as a few security hole fixes, it has a number of VM related improvements.
I tried the errata kernel first but the problem still persisted... so... I ran memtest86 for over a week now (the clock says the test has been going for over 200 hours) and there are no problems that show up. Where should I go from here?
Upgraded distro to fedora 1 and kernel 2.4.22-1.2174.nptl and although the problem seems to be aleviated, it still creeps up in the machine after a few days of use. From /var/log/messages Apr 8 15:45:01 lava kernel: memory.c:101: bad pmd 00400000. Apr 8 19:00:41 lava kernel: memory.c:101: bad pmd 00400000. Apr 8 19:51:49 lava kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000004 Apr 8 19:51:49 lava kernel: printing eip: Apr 8 19:51:49 lava kernel: c015ac72 Apr 8 19:51:49 lava kernel: *pde = 01c0d067 Apr 8 19:51:49 lava kernel: *pte = 00000000 Apr 8 19:51:49 lava kernel: Oops: 0000 Apr 8 19:51:49 lava kernel: ymfpci ac97_codec uart401 sound soundcore parport_pc lp parport autofs ne2k-pci 8390 ipt_state ip_conntrack ipt_REJECT iptable_filter ip_tables floppy sg sr_m Apr 8 19:51:49 lava kernel: CPU: 0 Apr 8 19:51:49 lava kernel: EIP: 0060:[<c015ac72>] Not tainted Apr 8 19:51:49 lava kernel: EFLAGS: 00010213 Apr 8 19:51:49 lava kernel: Apr 8 19:51:49 lava kernel: EIP is at prune_icache [kernel] 0x32 (2.4.22-1.2174.nptl) Apr 8 19:51:49 lava kernel: eax: caa80088 ebx: 00000000 ecx: 00000006 edx: 00000001 Apr 8 19:51:49 lava kernel: esi: caa80180 edi: 00000000 ebp: 000015dd esp: c17bff18 Apr 8 19:51:49 lava kernel: ds: 0068 es: 0068 ss: 0068 Apr 8 19:51:49 lava kernel: Process kswapd (pid: 5, stackpage=c17bf000) Apr 8 19:51:49 lava kernel: Stack: e7fc41d8 00000000 c17bff20 c17bff20 00000000 c1090ce0 c0340758 000041cb Apr 8 19:51:49 lava kernel: c015ae34 000015dd c013b182 00000006 000001d0 c17be000 ffffffff 000001d0 Apr 8 19:51:49 lava kernel: 00000001 00000020 000001d0 c0340758 c0340758 c013b53d c17bff90 000001d0 Apr 8 19:51:50 lava kernel: Call Trace: [<c015ae34>] shrink_icache_memory [kernel] 0x24 (0xc17bff38) Apr 8 19:51:50 lava kernel: [<c013b182>] shrink_cache [kernel] 0x182 (0xc17bff40) Apr 8 19:51:50 lava kernel: [<c013b53d>] shrink_caches [kernel] 0x3d (0xc17bff6c) Apr 8 19:51:50 lava kernel: [<c013b5c2>] try_to_free_pages_zone [kernel] 0x62 (0xc17bff80) Apr 8 19:51:50 lava kernel: [<c013b76c>] kswapd_balance_pgdat [kernel] 0x6c (0xc17bffa4) Apr 8 19:51:50 lava kernel: [<c013b7d8>] kswapd_balance [kernel] 0x28 (0xc17bffbc) Apr 8 19:51:50 lava kernel: [<c013b91d>] kswapd [kernel] 0x9d (0xc17bffcc) Apr 8 19:51:50 lava kernel: [<c013b880>] kswapd [kernel] 0x0 (0xc17bffe4) Apr 8 19:51:50 lava kernel: [<c010734d>] kernel_thread_helper [kernel] 0x5 (0xc17bfff0) Apr 8 19:51:51 lava kernel: Apr 8 19:51:51 lava kernel: Apr 8 19:51:51 lava kernel: Code: 8b 5b 04 8d 77 f8 8b 86 08 01 00 00 a9 38 00 00 00 75 0c 0b Apr 8 19:51:54 lava kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000004 Apr 8 19:51:54 lava kernel: printing eip: Apr 8 19:51:54 lava kernel: c015ac72 Apr 8 19:51:54 lava kernel: *pde = 01c0d067 Apr 8 19:51:54 lava kernel: *pte = 00000000 Apr 8 19:51:54 lava kernel: Oops: 0000 Apr 8 19:51:54 lava kernel: ymfpci ac97_codec uart401 sound soundcore parport_pc lp parport autofs ne2k-pci 8390 ipt_state ip_conntrack ipt_REJECT iptable_filter ip_tables floppy sg sr_m Apr 8 19:51:54 lava kernel: CPU: 0 Apr 8 19:51:54 lava kernel: EIP: 0060:[<c015ac72>] Not tainted Apr 8 19:51:54 lava kernel: EFLAGS: 00010213 Apr 8 19:51:54 lava kernel: Apr 8 19:51:54 lava kernel: EIP is at prune_icache [kernel] 0x32 (2.4.22-1.2174.nptl) Apr 8 19:51:54 lava kernel: eax: caa80088 ebx: 00000000 ecx: 00000006 edx: 00000000 Apr 8 19:51:54 lava kernel: esi: caa80180 edi: 00000000 ebp: 00002294 esp: cf5a1de4 Apr 8 19:51:54 lava kernel: ds: 0068 es: 0068 ss: 0068 Apr 8 19:51:54 lava kernel: Process mozilla-bin (pid: 4645, stackpage=cf5a1000) Apr 8 19:51:54 lava kernel: Stack: e7fc41d8 00000000 cf5a1dec cf5a1dec 00000000 c15a9c80 c0340758 000045c4 Apr 8 19:51:54 lava kernel: c015ae34 00002294 c013b182 00000006 000001d2 cf5a0000 ffffffff 000001d2 Apr 8 19:51:54 lava kernel: 00000001 00000019 000001d2 c0340758 c0340758 c013b53d cf5a1e5c 000001d2 Apr 8 19:51:54 lava kernel: Call Trace: [<c015ae34>] shrink_icache_memory [kernel] 0x24 (0xcf5a1e04) Apr 8 19:51:54 lava kernel: [<c013b182>] shrink_cache [kernel] 0x182 (0xcf5a1e0c) Apr 8 19:51:54 lava kernel: [<c013b53d>] shrink_caches [kernel] 0x3d (0xcf5a1e38) and a crapload more... it eventually locks up on with these last set of messages.. Apr 11 04:24:18 lava kernel: Oops: 0000 Apr 11 04:24:18 lava kernel: ymfpci ac97_codec uart401 sound soundcore parport_pc lp parport autofs ne2k-pci 8390 ipt_state ip_conntrack ipt_REJECT iptable_filter ip_tables floppy sg sr_m Apr 11 04:24:18 lava kernel: CPU: 0 Apr 11 04:24:18 lava kernel: EIP: 0060:[<c0139fe0>] Not tainted Apr 11 04:24:18 lava kernel: EFLAGS: 00010007 Apr 11 04:24:18 lava kernel: Apr 11 04:24:18 lava kernel: EIP is at kmem_cache_alloc [kernel] 0x50 (2.4.22-1.2174.nptl) Apr 11 04:24:18 lava kernel: eax: 080f0120 ebx: 080f0120 ecx: d188b100 edx: 00000200 Apr 11 04:24:18 lava kernel: esi: e7fc4244 edi: 00000246 ebp: 00000029 esp: e1505ed0 Apr 11 04:24:18 lava kernel: ds: 0068 es: 0068 ss: 0068 Apr 11 04:24:18 lava kernel: Process trivial-rewrite (pid: 10168, stackpage=e1505000) Apr 11 04:24:18 lava kernel: Stack: 002089f0 ca0b8480 c0381bc4 00000000 00000002 c179d800 c0159a4c e7fc4244 Apr 11 04:24:18 lava kernel: 000001f0 c0381bc4 00000001 00000002 bff8f06c c015aedf c179d800 c0206e27 Apr 11 04:24:18 lava kernel: c179d800 c0a4ab00 002089f0 00000000 e1504000 c0381bc4 c0207886 00000286 Apr 11 04:24:18 lava kernel: Call Trace: [<c0159a4c>] alloc_inode [kernel] 0xfc (0xe1505ee8) Apr 11 04:24:18 lava kernel: [<c015aedf>] new_inode [kernel] 0xf (0xe1505f04) Apr 11 04:24:18 lava kernel: [<c0206e27>] sock_alloc [kernel] 0x17 (0xe1505f0c) Apr 11 04:24:18 lava kernel: [<c0207886>] sock_create [kernel] 0x66 (0xe1505f28) Apr 11 04:24:18 lava kernel: [<c0131fc7>] unmap_fixup [kernel] 0x187 (0xe1505f3c) Apr 11 04:24:19 lava kernel: [<c020796b>] sys_socket [kernel] 0x2b (0xe1505f64) Apr 11 04:24:19 lava kernel: [<c0208852>] sys_socketcall [kernel] 0x72 (0xe1505f80) Apr 11 04:24:19 lava kernel: [<c0117ac0>] do_page_fault [kernel] 0x0 (0xe1505fb0) Apr 11 04:24:19 lava kernel: [<c0109838>] error_code [kernel] 0x34 (0xe1505fb8) Apr 11 04:24:19 lava kernel: [<c0109747>] system_call [kernel] 0x33 (0xe1505fc0) Apr 11 04:24:19 lava kernel: Apr 11 04:24:19 lava kernel: Apr 11 04:24:19 lava kernel: Code: 8b 44 81 18 0f af da 89 41 14 01 eb 40 74 18 57 9d 89 d8 8b Apr 11 04:25:00 lava kernel: <1>Unable to handle kernel paging request at virtual address f1c4b598 Apr 11 04:25:00 lava kernel: printing eip: Apr 11 04:25:00 lava kernel: c0139fe0 Apr 11 04:25:00 lava kernel: *pde = 00000000 Apr 11 04:25:00 lava kernel: Oops: 0000 Apr 11 04:25:00 lava kernel: ymfpci ac97_codec uart401 sound soundcore parport_pc lp parport autofs ne2k-pci 8390 ipt_state ip_conntrack ipt_REJECT iptable_filter ip_tables floppy sg sr_m Apr 11 04:25:00 lava kernel: CPU: 0 Apr 11 04:25:00 lava kernel: EIP: 0060:[<c0139fe0>] Not tainted Apr 11 04:25:00 lava kernel: EFLAGS: 00010007 Apr 11 04:25:00 lava kernel: Apr 11 04:25:00 lava kernel: EIP is at kmem_cache_alloc [kernel] 0x50 (2.4.22-1.2174.nptl) Apr 11 04:25:00 lava kernel: eax: 080f0120 ebx: 080f0120 ecx: d188b100 edx: 00000200 Apr 11 04:25:00 lava kernel: esi: e7fc4244 edi: 00000246 ebp: 00000029 esp: e1505efc Apr 11 04:25:00 lava kernel: ds: 0068 es: 0068 ss: 0068 Apr 11 04:25:00 lava kernel: Process crond (pid: 10169, stackpage=e1505000) Apr 11 04:25:00 lava kernel: Stack: ca0b8480 ca0b84a4 e1504000 00000000 bff368e0 c1792000 c0159a4c e7fc4244 Apr 11 04:25:00 lava kernel: 000001f0 e1504000 dea14280 bff368e0 ffffffe9 c015aedf c1792000 c014e957 Apr 11 04:25:00 lava kernel: c1792000 e1504000 c014ea11 bff366b0 e1505fa4 e1505f90 c012987b 00000011 Apr 11 04:25:00 lava kernel: Call Trace: [<c0159a4c>] alloc_inode [kernel] 0xfc (0xe1505f14) Apr 11 04:25:00 lava kernel: [<c015aedf>] new_inode [kernel] 0xf (0xe1505f30) Apr 11 04:25:00 lava kernel: [<c014e957>] get_pipe_inode [kernel] 0x17 (0xe1505f38) Apr 11 04:25:00 lava kernel: [<c014ea11>] do_pipe [kernel] 0x31 (0xe1505f44) Apr 11 04:25:00 lava kernel: [<c012987b>] sys_rt_sigaction [kernel] 0xab (0xe1505f54) Apr 11 04:25:00 lava kernel: [<c010f183>] sys_pipe [kernel] 0x23 (0xe1505fa0) Apr 11 04:25:00 lava kernel: [<c0109747>] system_call [kernel] 0x33 (0xe1505fc0) Apr 11 04:25:00 lava kernel: Apr 11 04:25:00 lava kernel: Apr 11 04:25:00 lava kernel: Code: 8b 44 81 18 0f af da 89 41 14 01 eb 40 74 18 57 9d 89 d8 8b
What other additional information should I provide to expedite the resolution of this issue? I have swap split across two disks (and two controllers) for a total of 1.28GB (each swap is 640mb) Is there a way to verify that there is no problem with the disk without being destructive.
This issue is still not resolved. Has there been any other user with this type of issue?
Thanks for the bug report. However, Red Hat no longer maintains this version of the product. Please upgrade to the latest version and open a new bug if the problem persists. The Fedora Legacy project (http://fedoralegacy.org/) maintains some older releases, and if you believe this bug is interesting to them, please report the problem in the bug tracker at: http://bugzilla.fedora.us/
(In reply to comment #5) > This issue is still not resolved. Has there been any other user with > this type of issue? > Dear Jim, I faced the same problem on Redhat Enterprise AS 3.0 with an uptime of 80 days on IBM P4 1.6 Ghz with 256 RAM and 512 MB swap. I tried changing the APM setting in BIOS and disabled the TIMEOUT option for Harddisk and Furthur i checked that my power supply to harddisk was not proper so changed the Power extension P1 to P3 making it independent from Slave or other drives. After i restarted the system performed enhanced memory test and system booted normally and is working fine. I removed the driver setting for Adaptec SCSI card and Intel Card that were removed from my PC.. so kudzu went fine. I am investigating the /var/log/bandwidth file and /var/log/bootlog ...couldnt understand any ...still working Vishweshwar Rao.N