-------- 2.4.17 --------------

Sep 19 18:49:10 node25 kernel: kernel BUG at page_alloc.c:84!
Sep 19 18:49:10 node25 kernel: invalid operand: 0000
Sep 19 18:49:10 node25 kernel: CPU:    1
Sep 19 18:49:10 node25 kernel: EIP:    0010:[__free_pages_ok+169/832]    Not tainted
Sep 19 18:49:10 node25 kernel: EIP:    0010:[<c013c0d9>]    Not tainted
Sep 19 18:49:10 node25 kernel: EFLAGS: 00010286
Sep 19 18:49:10 node25 kernel: eax: 0000001f   ebx: c1b3ffa0   ecx: c0288424   edx: 000036aa
Sep 19 18:49:10 node25 kernel: esi: c1b3ffa0   edi: 00000000   ebp: 00000000   esp: c5d8dee0
Sep 19 18:49:10 node25 kernel: ds: 0018   es: 0018   ss: 0018
Sep 19 18:49:10 node25 kernel: Process ps (pid: 1326, stackpage=c5d8d000)
Sep 19 18:49:10 node25 kernel: Stack: c025c74d 00000054 ea5a4a41 e947f35c e947f000 ea5a4000 bfff0018 0000090f
Sep 19 18:49:10 node25 kernel:        c1b3ffa0 e947f90f e947f90f c0125607 c5d8c000 e947f000 f21a270c c1b3ffa0
Sep 19 18:49:10 node25 kernel:        e0e9b980 f21a270c e9092000 e947f000 e947f000 c01691fa e9092000 bffff6e5
Sep 19 18:49:10 node25 kernel: Call Trace: [access_process_vm+439/560] [proc_pid_environ+186/208] [proc_info_read+99/288] [filp_open+77/96] [sys_read+150/208]
Sep 19 18:49:10 node25 kernel: Call Trace: [<c0125607>] [<c01691fa>] [<c0169653>] [<c01442ed>] [<c0144e76>]
Sep 19 18:49:10 node25 kernel:    [sys_open+203/304] [system_call+51/56]
Sep 19 18:49:10 node25 kernel:    [<c01446db>] [<c01078ab>]
Sep 19 18:49:10 node25 kernel:
Sep 19 18:49:10 node25 kernel: Code: 0f 0b 5e 5f 8b 43 18 a9 80 00 00 00 74 10 6a 56 68 4d c7 25
Sep 20 04:02:14 node25 syslogd 1.4.1: restart.
Sep 20 14:00:00 node25 sshd(pam_unix)[1655]: session opened for user bindu by (uid=0)
Sep 20 14:27:10 node25 sshd(pam_unix)[1655]: session closed for user bindu
Sep 20 15:22:51 node25 sshd(pam_unix)[1683]: session opened for user root by (uid=0)
Sep 20 15:23:37 node25 sshd(pam_unix)[1731]: session opened for user henken by (uid=0)
Sep 20 15:23:37 node25 sshd(pam_unix)[1731]: session closed for user henken
Sep 20 15:23:44 node25 sshd(pam_unix)[1739]: session opened for user henken by (uid=0)
Sep 20 15:23:44 node25 sshd(pam_unix)[1739]: session closed for user henken

----------- 2.4.19 ------

Sep 21 10:15:34 node25.io.liniac.upenn.edu kernel: Warning - running *really* short on DMA buffers
Sep 21 10:39:10 node25.io.liniac.upenn.edu last message repeated 156 times
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000010
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel:  printing eip:
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: f89cee23
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: *pde = 00000000
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: Oops: 0000
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: CPU:    1
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: EIP:    0010:[<f89cee23>]    Not tainted
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: EFLAGS: 00010202
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: eax: 00000000   ebx: 00000000   ecx: 00000002   edx: f70c0000
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: esi: f70c0000   edi: 00000000   ebp: ffffffff   esp: daabbe8c
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: ds: 0018   es: 0018   ss: 0018
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: Process ps (pid: 2266, stackpage=daabb000)
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: Stack: c015f525 f70c0000 000002cc 000002cc 00000000 ffffffff 00000004 0000002c
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel:        00000000 00000088 00000000 00000002 00000000 00000000 00000000 00000013
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel:        00000000 00000000 00000000 004a190c 00000000 00000000 ffffffff 00000000
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: Call Trace:    [proc_pid_stat+629/752] [do_exit+719/736] [proc_info_read+99/288] [sys_read+150/272] [sys_open+87/160]
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: Call Trace:    [<c015f525>] [<c011f86f>] [<c015d0a3>] [<c013de76>] [<c013d827>]
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel:   [system_call+51/56]
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel:   [<c0108cfb>]
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel:
Sep 21 10:39:10 node25.io.liniac.upenn.edu kernel: Code: 8b 40 10 c3 90 8b 82 94 00 00 00 8b 40 7c c3 89 f6 f6 05 60