[rhn-users] RHEL freeze: error ;-)

[Lazarev, Roman]

Honti,

Excellent first step! Keep on going at it. Seems like there's something happening when a character device is referenced. Not sure which and why. Next step: setup diskdump & netdump to capture the kernel core when the silly thing dies (All RTFMs are here diskdumputils-1.1.9-3 & netdump-0.7.7-2), ask if q - both because one will act as a backup for the other if one failed. Test how and if they work with SysRq forced crash. Once you have all that you can open a bug on bugzilla and start asking questions there, you got something to go on.

Regards,

Roman Lazarev
Fidelity Investment Management Technology
245 Summer Street V2E
Boston, MA 02210
(617) 563-1173


-----Original Message-----
From: Honti Balázs [mailto:balazs at fmnet.hu] 
Sent: Monday, January 02, 2006 9:47 AM
To: nahant-list at redhat.com; redhat-sysadmin-list at redhat.com; redhat-list at redhat.com; rhn-users at redhat.com
Subject: [rhn-users] RHEL freeze: error ;-)


Hello! Freeze got this message, after turning on the nmi_watchdog option:
/var/log/messages-Jan  2 12:41:01 webplm  -- root[2796]: ROOT LOGIN ON tty1
/var/log/messages:Jan  2 12:44:59 webplm kernel: Unable to handle kernel 
paging request at virtual address 000052e5
/var/log/messages:Jan  2 12:44:59 webplm kernel:  printing eip:
/var/log/messages:Jan  2 12:44:59 webplm kernel: c01bf1df
/var/log/messages:Jan  2 12:44:59 webplm kernel: *pde = 2edbd001
/var/log/messages:Jan  2 12:44:59 webplm kernel: Oops: 0002 [#1]
/var/log/messages:Jan  2 12:44:59 webplm kernel: SMP
/var/log/messages:Jan  2 12:44:59 webplm kernel: Modules linked in: md5 ipv6 
parport_pc lp parport autofs4 i2c_dev i2c_core su
nrpc ipt_REJECT ipt_state ip_conntrack iptable_filter ip_tables uhci_hcd 
8139too e100 mii floppy dm_snapshot dm_zero dm_mirror
ext3 jbd dm_mod i2o_block i2o_core sd_mod scsi_mod
/var/log/messages:Jan  2 12:44:59 webplm kernel: CPU:    1
/var/log/messages:Jan  2 12:44:59 webplm kernel: EIP:    0060:[<c01bf1df>]   
Not tainted VLI
/var/log/messages:Jan  2 12:44:59 webplm kernel: EFLAGS: 00010206   
(2.6.9-22.0.1.ELsmp)
/var/log/messages:Jan  2 12:44:59 webplm kernel: EIP is at 
kref_put+0x34/0x45
/var/log/messages:Jan  2 12:44:59 webplm kernel: eax: 000052e5   ebx: 
000052e5   ecx: c19e0040   edx: c01bef47
/var/log/messages:Jan  2 12:44:59 webplm kernel: esi: c01bef47   edi: 
f7f0bce8   ebp: f6ef1bb4   esp: eedbaf8c
/var/log/messages:Jan  2 12:44:59 webplm kernel: ds: 007b   es: 007b   ss: 
0068
/var/log/messages:Jan  2 12:44:59 webplm kernel: Process top (pid: 3410, 
threadinfo=eedba000 task=f74e57f0)
/var/log/messages:Jan  2 12:44:59 webplm kernel: Stack: 000052cd c1a26080 
c01612cd f7564880 c015a833 f7564880 00000000 f7e5504
0
/var/log/messages:Jan  2 12:44:59 webplm kernel:        eedba000 c015945d 
00000008 0000001b 00000008 c02d0fb7 00000008 003f822
0
/var/log/messages:Jan  2 12:44:59 webplm kernel:        003f7468 0000001b 
00000008 003f8220 00000006 c02d007b 0000007b 0000000
6
/var/log/messages:Jan  2 12:44:59 webplm kernel: Call Trace:
/var/log/messages:Jan  2 12:44:59 webplm kernel:  [<c01612cd>] 
cdev_put+0xc/0x3c
/var/log/messages:Jan  2 12:44:59 webplm kernel:  [<c015a833>] 
__fput+0x72/0x100
/var/log/messages:Jan  2 12:44:59 webplm kernel:  [<c015945d>] 
filp_close+0x59/0x5f
/var/log/messages:Jan  2 12:44:59 webplm kernel:  [<c02d0fb7>] 
syscall_call+0x7/0xb
/var/log/messages:Jan  2 12:44:59 webplm kernel:  [<c02d007b>] 
__lock_text_end+0x232/0x100f
/var/log/messages:Jan  2 12:44:59 webplm kernel: Code: 04 6a 30 eb 0a 81 fa 
41 6e 14 c0 75 1e 6a 31 68 a6 c5 2e c0 68 c9 42 2d
c0 68 2a 02 2e c0 e8 53 30 f6 ff e8 97 6b f4 ff 83 c4 10 <f0> ff 0b 0f 94 c0 
84 c0 74 04 89 d8 ff d6 5b 5e c3 55 57 56 53
/var/log/messages:Jan  2 12:44:59 webplm kernel:  <0>Fatal exception: panic 
in 5 seconds 

Any idea?
Thanks,
Balázs
 --
Happy New Year! ;-) 


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