Bug 115203 - oops in rmap at page_referenced+578/704
oops in rmap at page_referenced+578/704
Status: CLOSED WONTFIX
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
7.2
i686 Linux
low Severity high
: ---
: ---
Assigned To: Arjan van de Ven
Brian Brock
:
Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2004-02-08 14:31 EST by James Bottomley
Modified: 2005-10-31 17:00 EST (History)
1 user (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Environment:
Last Closed: 2004-02-08 19:58:38 EST
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---


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Description James Bottomley 2004-02-08 14:31:44 EST
kernel-2.4.20-24.7

Problem:

System has been up for ~3months.  This morning it was found hung. 
After rebooting, the following oops was found in the log:

Feb  8 04:18:01 licensing syslogd 1.4.1: restart.
Feb  8 10:06:19 licensing kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000070
Feb  8 10:06:19 licensing kernel:  printing eip:
Feb  8 10:06:19 licensing kernel: c013ade2
Feb  8 10:06:19 licensing kernel: *pde = 04c39067
Feb  8 10:06:19 licensing kernel: *pte = 00000000
Feb  8 10:06:19 licensing kernel: Oops: 0000
Feb  8 10:06:19 licensing kernel: autofs eepro100 mii ipchains ext3
jbd cpqarray sd_mod scsi_mod  
Feb  8 10:06:19 licensing kernel: CPU:    0
Feb  8 10:06:19 licensing kernel: EIP:   
0010:[page_referenced+578/704]    Not tainted
Feb  8 10:06:19 licensing kernel: EIP:    0010:[<c013ade2>]    Not tainted
Feb  8 10:06:19 licensing kernel: EFLAGS: 00010202
Feb  8 10:06:19 licensing kernel: 
Feb  8 10:06:19 licensing kernel: EIP is at page_referenced [kernel]
0x242 (2.4.20-24.7)
Feb  8 10:06:19 licensing kernel: eax: c1205ce8   ebx: c1000030   ecx:
00000000   edx: 00000000
Feb  8 10:06:19 licensing kernel: esi: c6075880   edi: 0000001e   ebp:
c1206ea0   esp: c36bdf7c
Feb  8 10:06:19 licensing kernel: ds: 0018   es: 0018   ss: 0018
Feb  8 10:06:19 licensing kernel: Process kscand (pid: 5,
stackpage=c36bd000)
Feb  8 10:06:19 licensing kernel: Stack: 00000efb 00000000 00000000
c36bdfac c1206ebc c1206ea0 00000003 000001f4 
Feb  8 10:06:19 licensing kernel:        c0133a9d c36bdfac c1797f0c
c02df334 00000001 c36bc000 c02df1e8 00000003 
Feb  8 10:06:19 licensing kernel:        000001f4 c0135889 c02df1e8
00000003 00000001 c36bc000 00000001 00000000 
Feb  8 10:06:19 licensing kernel: Call Trace:  
[scan_active_list+93/1616] scan_active_list [kernel] 0x5d (0xc36bdf9c))
Feb  8 10:06:19 licensing kernel: Call Trace:   [<c0133a9d>]
scan_active_list [kernel] 0x5d (0xc36bdf9c))
Feb  8 10:06:19 licensing kernel: [kscand+201/464] kscand [kernel]
0xc9 (0xc36bdfc0))
Feb  8 10:06:19 licensing kernel: [<c0135889>] kscand [kernel] 0xc9
(0xc36bdfc0))
Feb  8 10:06:20 licensing kernel: [_stext+0/48] stext [kernel] 0x0
(0xc36bdfe8))
Feb  8 10:06:20 licensing kernel: [<c0105000>] stext [kernel] 0x0
(0xc36bdfe8))
Feb  8 10:06:20 licensing kernel: [arch_kernel_thread+38/48]
arch_kernel_thread [kernel] 0x26 (0xc36bdff0))
Feb  8 10:06:20 licensing kernel: [<c0107146>] arch_kernel_thread
[kernel] 0x26 (0xc36bdff0))
Feb  8 10:06:20 licensing kernel: [kscand+0/464] kscand [kernel] 0x0
(0xc36bdff8))
Feb  8 10:06:20 licensing kernel: [<c01357c0>] kscand [kernel] 0x0
(0xc36bdff8))
Feb  8 10:06:20 licensing kernel: 
Feb  8 10:06:20 licensing kernel: 
Feb  8 10:06:20 licensing kernel: Code: 8b 41 70 42 39 41 5c 0f 43 54
24 04 ff 04 24 4f 89 54 24 04 
Feb  8 10:13:14 licensing kernel:  <1>Unable to handle kernel NULL
pointer dereference at virtual address 00000070
Feb  8 10:13:14 licensing kernel:  printing eip:
Feb  8 10:13:14 licensing kernel: c013ade2
Feb  8 10:13:14 licensing kernel: *pde = 09dba067
Feb  8 10:13:14 licensing kernel: *pte = 00000000
Feb  8 10:13:14 licensing kernel: Oops: 0000
Feb  8 10:13:14 licensing kernel: autofs eepro100 mii ipchains ext3
jbd cpqarray sd_mod scsi_mod  
Feb  8 10:13:14 licensing kernel: CPU:    0
Feb  8 10:13:14 licensing kernel: EIP:   
0010:[page_referenced+578/704]    Not tainted
Feb  8 10:13:14 licensing kernel: EIP:    0010:[<c013ade2>]    Not tainted
Feb  8 10:13:14 licensing kernel: EFLAGS: 00010216
Feb  8 10:13:14 licensing kernel: 
Feb  8 10:13:14 licensing kernel: EIP is at page_referenced [kernel]
0x242 (2.4.20-24.7)
Feb  8 10:13:14 licensing kernel: eax: c1d849f8   ebx: c1000030   ecx:
00000000   edx: 00000000
Feb  8 10:13:15 licensing kernel: esi: f1a3fe80   edi: 0000001e   ebp:
c1206ea0   esp: c36bfeec
Feb  8 10:13:15 licensing kernel: ds: 0018   es: 0018   ss: 0018
Feb  8 10:13:15 licensing kernel: Process kswapd (pid: 4,
stackpage=c36bf000)
Feb  8 10:13:15 licensing kernel: Stack: 00000f06 00000000 00000001
c36bff28 c1206ebc c1206ea0 00000005 00000001 
Feb  8 10:13:15 licensing kernel:        c0132bb2 c02df1e8 0000003f
ffffffff 00000009 00000042 0001442a 00000001 
Feb  8 10:13:15 licensing kernel:        00004386 c02df1e8 00001018
000015b4 c01347b4 c02df1e8 00000000 000000fe 
Feb  8 10:13:15 licensing kernel: Call Trace:  
[refill_inactive_zone+802/4336] refill_inactive_zone [kernel] 0x322
(0xc36bff0c))
Feb  8 10:13:15 licensing kernel: Call Trace:   [<c0132bb2>]
refill_inactive_zone [kernel] 0x322 (0xc36bff0c))
Feb  8 10:13:15 licensing kernel: [rebalance_inactive_zone+500/848]
rebalance_inactive_zone [kernel] 0x1f4 (0xc36bff3c))
Feb  8 10:13:15 licensing kernel: [<c01347b4>] rebalance_inactive_zone
[kernel] 0x1f4 (0xc36bff3c))
Feb  8 10:13:15 licensing kernel: [rebalance_inactive+61/128]
rebalance_inactive [kernel] 0x3d (0xc36bff6c))
Feb  8 10:13:15 licensing kernel: [<c013494d>] rebalance_inactive
[kernel] 0x3d (0xc36bff6c))
Feb  8 10:13:15 licensing kernel: [do_try_to_free_pages_kswapd+49/784]
do_try_to_free_pages_kswapd [kernel] 0x31 (0xc36bff90))
Feb  8 10:13:15 licensing kernel: [<c0134a81>]
do_try_to_free_pages_kswapd [kernel] 0x31 (0xc36bff90))
Feb  8 10:13:15 licensing kernel: [kswapd+321/1248] kswapd [kernel]
0x141 (0xc36bffd4))
Feb  8 10:13:15 licensing kernel: [<c0134f31>] kswapd [kernel] 0x141
(0xc36bffd4))
Feb  8 10:13:15 licensing kernel: [_stext+0/48] stext [kernel] 0x0
(0xc36bffe8))
Feb  8 10:13:15 licensing kernel: [<c0105000>] stext [kernel] 0x0
(0xc36bffe8))
Feb  8 10:13:15 licensing kernel: [arch_kernel_thread+38/48]
arch_kernel_thread [kernel] 0x26 (0xc36bfff0))
Feb  8 10:13:15 licensing kernel: [<c0107146>] arch_kernel_thread
[kernel] 0x26 (0xc36bfff0))
Feb  8 10:13:15 licensing kernel: [kswapd+0/1248] kswapd [kernel] 0x0
(0xc36bfff8))
Feb  8 10:13:15 licensing kernel: [<c0134df0>] kswapd [kernel] 0x0
(0xc36bfff8))
Feb  8 10:13:15 licensing kernel: 
Feb  8 10:13:15 licensing kernel: 
Feb  8 10:13:15 licensing kernel: Code: 8b 41 70 42 39 41 5c 0f 43 54
24 04 ff 04 24 4f 89 54 24 04 

The system is functioning as a standard LAMP system (it hands out
licensing keys for our product).


How reproducible:

Only happened once.
Comment 1 Dave Jones 2004-02-08 19:58:38 EST
One of the later errata kernels fixed up some vm corner cases.
No guarantee that they fixed this particular case, but worth a shot.

As RHL7 & 8 are now end of lifed, we won't be doing further updates,
sorry.

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