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server cpu lockups, segfaults etc..
Could you please help me to tu understand where could be the problem? I upgraded my Hardware from Core2 Duo e6400, motherboard intel dg965ot, to Asus P5K-e/wifi-ap motherboard and Quad Core2 Q6600 Processor. Now i have to restart my server every day, cause it simply freezes. I added panic=15 to grub.conf but it doesnt help cause seems that kernel is not doing kernel panic every time when server hangs, making segfaults for proccesses and cpu lockups. I tried Linux kernel 2.6.20.1 (which was working together with my old hardware without any problems), and tried also to upgrade to 2.6.23.1 (newest). No changes. Only seems that with kernel 2.6.23.1 server hangs even more often. If any additional information is required, pls tell me and i will paste some other logs...
Some parts of my syslog:
Nov 7 00:09:37 localhost identd[11601]: started
Nov 7 00:10:24 localhost kernel: Unable to handle kernel NULL pointer dereference at 000000000000005e RIP:
Nov 7 00:10:24 localhost kernel: [<ffffffff8028db62>] __posix_lock_file+0x13b/0x3c1
Nov 7 00:10:24 localhost kernel: PGD 0
Nov 7 00:10:24 localhost kernel: Oops: 0000 [1] SMP
Nov 7 00:10:24 localhost kernel: CPU 0
Nov 7 00:10:24 localhost kernel: Modules linked in: ipt_iprange ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables fan ac battery ipv6 dm_snapshot dm_mirror dm_mod tcp_diag inet_diag sbp2 ieee1394 loop i2c_i801 thermal i2c_core sky2 evdev pcspkr intel_agp floppy button processor ext3 jbd mbcache sd_mod
Nov 7 00:10:24 localhost kernel: Pid: 28280, comm: wc Not tainted 2.6.23.1 #1
Nov 7 00:10:24 localhost kernel: RIP: 0010:[<ffffffff8028db62>] [<ffffffff8028db62>] __posix_lock_file+0x13b/0x3c1
Nov 7 00:10:24 localhost kernel: RSP: 0018:ffff8100183e7da8 EFLAGS: 00010206
Nov 7 00:10:24 localhost kernel: RAX: ffff8100187c77c0 RBX: 0000000000000006 RCX: 0000000000000000
Nov 7 00:10:24 localhost kernel: RDX: 0000000000000000 RSI: ffff8100183e7df8 RDI: ffff810037f7dd70
Nov 7 00:10:24 localhost kernel: RBP: ffff8100183e7df8 R08: ffff8100183e7df8 R09: ffff810037b21f04
Nov 7 00:10:24 localhost kernel: R10: 7fffffffffffffff R11: 00002b4b4d692000 R12: 0000000000000000
Nov 7 00:10:24 localhost kernel: R13: ffff810037f7dd70 R14: ffff810037f7de70 R15: 0000000000000000
Nov 7 00:10:24 localhost kernel: FS: 0000000000000000(0000) GS:ffffffff8054c000(0000) knlGS:0000000000000000
Nov 7 00:10:24 localhost kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Nov 7 00:10:24 localhost kernel: CR2: 000000000000005e CR3: 0000000000201000 CR4: 00000000000006e0
Nov 7 00:10:24 localhost kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Nov 7 00:10:24 localhost kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Nov 7 00:10:24 localhost kernel: Process wc (pid: 28280, threadinfo ffff8100183e6000, task ffff8100187c77c0)
Nov 7 00:10:24 localhost kernel: Stack: 0000000000000000 0000000000000000 ffff8100bdb1a128 ffff8100836188c0
Nov 7 00:10:24 localhost kernel: ffff81000132aec0 0000000000000000 ffff81000132aed0 0000000000000000
Nov 7 00:10:24 localhost kernel: 0000000000000000 ffffffff8028e8a6 ffff8100bdb22120 ffff8100bdb1a128
Nov 7 00:10:24 localhost kernel: Call Trace:
Nov 7 00:10:24 localhost kernel: [<ffffffff8028e8a6>] locks_remove_posix+0x84/0xa8
Nov 7 00:10:24 localhost kernel: [<ffffffff8027e482>] filp_close+0x55/0x65
Nov 7 00:10:24 localhost kernel: [<ffffffff802340a6>] put_files_struct+0x66/0xc5
Nov 7 00:10:24 localhost kernel: [<ffffffff80235307>] do_exit+0x290/0x7ec
Nov 7 00:10:24 localhost kernel: [<ffffffff802358e2>] sys_exit_group+0x0/0xe
Nov 7 00:10:24 localhost kernel: [<ffffffff8020bdee>] system_call+0x7e/0x83
Nov 7 00:10:24 localhost kernel:
Nov 7 00:10:24 localhost kernel:
Nov 7 00:10:24 localhost kernel: Code: f6 43 58 01 74 de 48 89 de 48 89 ef e8 aa f5 ff ff 85 c0 74
Nov 7 00:10:24 localhost kernel: RIP [<ffffffff8028db62>] __posix_lock_file+0x13b/0x3c1
Nov 7 00:10:24 localhost kernel: RSP <ffff8100183e7da8>
Nov 7 00:10:24 localhost kernel: CR2: 000000000000005e
Nov 7 00:10:24 localhost kernel: Fixing recursive fault but reboot is needed!
After reboot server works for about 1 to max 16 hours, then simply freezes. I connect to server through putty console, and so i can't connect to it anymore.
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