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Subject[2.4.20] Again with the __free_pages_ok oops
Date
I'm having this problem since I've updated from 2.2.16 to 2.4.18. A fix was 
released by hch and Marcelo in 2.4.20, but I still have the problem using
2.4.20.

Please CC me in any response since I am not in the mailing list.

Here's the oops in 2.4.20:
-----------------------------------------
kernel BUG at page_alloc.c:100!
invalid operand: 0000
CPU: 0
EIP: 0010:[<c0132ba4>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010206
eax: 1a000000 ebx: c165bbfc ecx: c165bc18 edx: c1653a54
esi: 000001fc edi: 00000000 ebp: e4dd5458 esp: e41d9ee8
ds: 0018 es: 0018 ss: 0018
Process cc1 (pid: 854, stackpage=e41d9000)
Stack: c028f464 00026ff0 c100001c c165bc80 c028f3d4 c102c01c 00000217
fffffffe
00008ffa 0000001d 000001fc 00116000 e4dd5458 c012895f c165bbfc
00000114
08800000 e4825088 08696000 00000000 c0126ee0 c02eeda0 e4825084
08400000
Call Trace: [<c012895f>] [<c0126ee0>] [<c0129f5c>] [<c01170e6>]
[<c011c163>]
[<c011c3cf>] [<c01073e3>]
Code: 0f 0b 64 00 6d 63 25 c0 8b 6b 08 85 ed 74 08 0f 0b 66 00 6d


>>EIP; c0132ba4 <__free_pages_ok+44/340> <=====

>>eax; 1a000000 Before first symbol
>>ebx; c165bbfc <_end+131bb18/284bff7c>
>>ecx; c165bc18 <_end+131bb34/284bff7c>
>>edx; c1653a54 <_end+1313970/284bff7c>
>>ebp; e4dd5458 <_end+24a95374/284bff7c>
>>esp; e41d9ee8 <_end+23e99e04/284bff7c>

Trace; c012895f <zap_pte_range+1af/1ff>
Trace; c0126ee0 <zap_page_range+c0/170>
Trace; c0129f5c <exit_mmap+bc/120>
Trace; c01170e6 <mmput+56/a0>
Trace; c011c163 <do_exit+b3/2f0>
Trace; c011c3cf <sys_exit+f/10>
Trace; c01073e3 <system_call+33/40>

Code; c0132ba4 <__free_pages_ok+44/340>
00000000 <_EIP>:
Code; c0132ba4 <__free_pages_ok+44/340> <=====
0: 0f 0b ud2a <=====
Code; c0132ba6 <__free_pages_ok+46/340>
2: 64 00 6d 63 add %ch,%fs:0x63(%ebp)
Code; c0132baa <__free_pages_ok+4a/340>
6: 25 c0 8b 6b 08 and $0x86b8bc0,%eax
Code; c0132baf <__free_pages_ok+4f/340>
b: 85 ed test %ebp,%ebp
Code; c0132bb1 <__free_pages_ok+51/340>
d: 74 08 je 17 <_EIP+0x17>
Code; c0132bb3 <__free_pages_ok+53/340>
f: 0f 0b ud2a
Code; c0132bb5 <__free_pages_ok+55/340>
11: 66 data16
Code; c0132bb6 <__free_pages_ok+56/340>
12: 00 6d 00 add %ch,0x0(%ebp)


Here's the oops in 2.4.18-14
-----------------------------------------
kernel BUG at page_alloc.c:145!
invalid operand: 0000
CPU: 0
EIP: 0010:[<c0132a59>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010206
eax: 00000000 ebx: 01000000 ecx: c02e1280 edx: 00000000
esi: c1738bec edi: 00000000 ebp: c100000c esp: e413dec8
ds: 0018 es: 0018 ss: 0018
Process cc1 (pid: 13418, stackpage=e413d000)
Stack: c02e1354 c1738c54 c02e1280 c103400c 00000000 c02e1280 c0137aef
e3e12a30
e53ad630 0003e000 00100000 238d8067 c01288dd c1738bec 0000003f
40800000
e3538408 4064e000 00000000 c0126f10 c19abf20 e3538404 4054e000
00100000
Call Trace: [<c0137aef>] page_remove_rmap [kernel] 0x5f (0xe413dee0))
[<c01288dd>] zap_pte_range [kernel] 0xdd (0xe413def8))
[<c0126f10>] do_zap_page_range [kernel] 0x80 (0xe413df14))
[<c0127409>] zap_page_range [kernel] 0x49 (0xe413df48))
[<c0129ecb>] exit_mmap [kernel] 0xbb (0xe413df6c))
[<c011779d>] mmput [kernel] 0x2d (0xe413df94))
[<c011be8b>] do_exit [kernel] 0x9b (0xe413dfa0))
[<c011c05f>] sys_exit [kernel] 0xf (0xe413dfb8))
[<c0108d13>] system_call [kernel] 0x33 (0xe413dfc0))
Code: 0f 0b 91 00 e7 83 23 c0 8b 46 18 89 f9 83 e0 eb 89 f3 89 46


>>EIP; c0132a59 <__free_pages_ok+b9/320> <=====

>>ebx; 01000000 Before first symbol
>>ecx; c02e1280 <contig_page_data+100/440>
>>esi; c1738bec <_end+139d42c/284718a0>
>>ebp; c100000c <_end+c6484c/284718a0>
>>esp; e413dec8 <_end+23da2708/284718a0>

Trace; c0137aef <page_remove_rmap+5f/70>
Trace; c01288dd <zap_pte_range+dd/115>
Trace; c0126f10 <do_zap_page_range+80/100>
Trace; c0127409 <zap_page_range+49/80>
Trace; c0129ecb <exit_mmap+bb/150>
Trace; c011779d <mmput+2d/70>
Trace; c011be8b <do_exit+9b/240>
Trace; c011c05f <sys_exit+f/10>
Trace; c0108d13 <system_call+33/40>

Code; c0132a59 <__free_pages_ok+b9/320>
00000000 <_EIP>:
Code; c0132a59 <__free_pages_ok+b9/320> <=====
0: 0f 0b ud2a <=====
Code; c0132a5b <__free_pages_ok+bb/320>
2: 91 xchg %eax,%ecx
Code; c0132a5c <__free_pages_ok+bc/320>
3: 00 e7 add %ah,%bh
Code; c0132a5e <__free_pages_ok+be/320>
5: 83 23 c0 andl $0xffffffc0,(%ebx)
Code; c0132a61 <__free_pages_ok+c1/320>
8: 8b 46 18 mov 0x18(%esi),%eax
Code; c0132a64 <__free_pages_ok+c4/320>
b: 89 f9 mov %edi,%ecx
Code; c0132a66 <__free_pages_ok+c6/320>
d: 83 e0 eb and $0xffffffeb,%eax
Code; c0132a69 <__free_pages_ok+c9/320>
10: 89 f3 mov %esi,%ebx
Code; c0132a6b <__free_pages_ok+cb/320>
12: 89 46 00 mov %eax,0x0(%esi)


And here's my system info :
-----------------------------------------
[root@scavenger linux-2.4.20]# cat /proc/version
Linux version 2.4.20 (root@scavenger) (gcc version 3.2 20020903 (Red Hat
Linux 8.0 3.2-7)) #5 SMP Wed Jan 8 19:26:31 EST 2003


[root@scavenger linux-2.4.20]# sh ./scripts/ver_linux
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

Linux scavenger 2.4.20 #5 SMP Wed Jan 8 19:26:31 EST 2003 i586 i586 i386
GNU/Linux

Gnu C 3.2
Gnu make 3.79.1
util-linux 2.11r
mount 2.11r
modutils 2.4.18
e2fsprogs 1.27
jfsutils 1.0.17
reiserfsprogs 3.6.2
PPP 2.4.1
Linux C Library 2.2.93
Dynamic linker (ldd) 2.2.93
Procps 2.0.7
Net-tools 1.60
Kbd 1.06
Sh-utils 2.0.12
Modules Loaded ipt_MASQUERADE iptable_nat ip_conntrack ppp_synctty
ppp_async ppp_generic slhc tulip iptable_filter ip_tables mousedev keybdev
input


[root@scavenger linux-2.4.20]# cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 5
model : 8
model name : AMD-K6(tm) 3D processor
stepping : 12
cpu MHz : 501.145
cache size : 64 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr mce cx8 pge mmx syscall 3dnow
k6_mtrr
bogomips : 999.42


[root@scavenger linux-2.4.20]# cat /proc/modules
ipt_MASQUERADE 2200 2 (autoclean)
iptable_nat 20504 1 (autoclean) [ipt_MASQUERADE]
ip_conntrack 28512 1 (autoclean) [ipt_MASQUERADE iptable_nat]
ppp_synctty 7872 0 (unused)
ppp_async 9504 1
ppp_generic 23296 3 [ppp_synctty ppp_async]
slhc 6684 0 [ppp_generic]
tulip 44160 2
iptable_filter 2316 1 (autoclean)
ip_tables 15224 5 [ipt_MASQUERADE iptable_nat iptable_filter]
mousedev 5400 0 (unused)
keybdev 2688 0 (unused)
input 5952 0 [mousedev keybdev]


[root@scavenger linux-2.4.20]# cat /proc/ioports
0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0080-008f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : fpu
01f0-01f7 : ide0
02f8-02ff : serial(auto)
03c0-03df : vga+
03f6-03f6 : ide0
03f8-03ff : serial(auto)
0cf8-0cff : PCI conf1
5000-50ff : VIA Technologies, Inc. VT82C586B ACPI
6400-640f : VIA Technologies, Inc. VT82C586B PIPC Bus Master IDE
6400-6407 : ide0
6408-640f : ide1
6800-681f : VIA Technologies, Inc. USB
6800-681f : usb-uhci
6c00-6cff : Linksys Network Everywhere Fast Ethernet 10/100 model NC100
6c00-6cff : tulip
7000-70ff : Linksys Network Everywhere Fast Ethernet 10/100 model NC100 (#2)
7000-70ff : tulip


[root@scavenger linux-2.4.20]# cat /proc/ioports
0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0080-008f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : fpu
01f0-01f7 : ide0
02f8-02ff : serial(auto)
03c0-03df : vga+
03f6-03f6 : ide0
03f8-03ff : serial(auto)
0cf8-0cff : PCI conf1
5000-50ff : VIA Technologies, Inc. VT82C586B ACPI
6400-640f : VIA Technologies, Inc. VT82C586B PIPC Bus Master IDE
6400-6407 : ide0
6408-640f : ide1
6800-681f : VIA Technologies, Inc. USB
6800-681f : usb-uhci
6c00-6cff : Linksys Network Everywhere Fast Ethernet 10/100 model NC100
6c00-6cff : tulip
7000-70ff : Linksys Network Everywhere Fast Ethernet 10/100 model NC100 (#2)
7000-70ff : tulip


[root@scavenger linux-2.4.20]# cat /proc/iomem
00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000f0000-000fffff : System ROM
00100000-27feffff : System RAM
00100000-0024865c : Kernel code
0024865d-002c7dbf : Kernel data
27ff0000-27ff2fff : ACPI Non-volatile Storage
27ff3000-27ffffff : ACPI Tables
e0000000-e3ffffff : VIA Technologies, Inc. VT82C598 [Apollo MVP3]
e6000000-e6003fff : Matrox Graphics, Inc. MGA 1064SG [Mystique]
e7000000-e77fffff : Matrox Graphics, Inc. MGA 1064SG [Mystique]
e8000000-e87fffff : Matrox Graphics, Inc. MGA 1064SG [Mystique]
ea000000-ea0003ff : Linksys Network Everywhere Fast Ethernet 10/100 model
NC100 (#2)
ea000000-ea0003ff : tulip
ea001000-ea0013ff : Linksys Network Everywhere Fast Ethernet 10/100 model
NC100
ea001000-ea0013ff : tulip
ffff0000-ffffffff : reserved


[root@scavenger src]# cat /proc/meminfo
total: used: free: shared: buffers: cached:
Mem: 661073920 656482304 4591616 0 69111808 450326528
Swap: 123367424 0 123367424
MemTotal: 645580 kB
MemFree: 4484 kB
MemShared: 0 kB
Buffers: 67492 kB
Cached: 439772 kB
SwapCached: 0 kB
Active: 64468 kB
Inactive: 447044 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 645580 kB
LowFree: 4484 kB
SwapTotal: 120476 kB
SwapFree: 120476 kB


[root@scavenger linux-2.4.20]# lspci -vvv
00:00.0 Host bridge: VIA Technologies, Inc. VT82C598 [Apollo MVP3] (rev 04)
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 16
Region 0: Memory at e0000000 (32-bit, prefetchable) [size=64M]
Capabilities: [a0] AGP version 1.0
Status: RQ=7 SBA+ 64bit- FW- Rate=x1,x2
Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>

00:01.0 PCI bridge: VIA Technologies, Inc. VT82C598/694x [Apollo
MVP3/Pro133x AGP] (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: fff00000-000fffff
Prefetchable memory behind bridge: fff00000-000fffff
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-

00:07.0 ISA bridge: VIA Technologies, Inc. VT82C586/A/B PCI-to-ISA [Apollo
VP] (rev 47)
Subsystem: VIA Technologies, Inc. MVP3 ISA Bridge
Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr-
Stepping+ SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 0

00:07.1 IDE interface: VIA Technologies, Inc. VT82C586B PIPC Bus Master IDE
(rev 06) (prog-if 8a [Master SecP PriP])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 32
Region 4: I/O ports at 6400 [size=16]

00:07.2 USB Controller: VIA Technologies, Inc. USB (rev 02) (prog-if 00
[UHCI])
Subsystem: VIA Technologies, Inc. (Wrong ID) USB Controller
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 32, cache line size 08
Interrupt: pin D routed to IRQ 11
Region 4: I/O ports at 6800 [size=32]

00:07.3 Host bridge: VIA Technologies, Inc. VT82C586B ACPI (rev 10)
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin ? routed to IRQ 9

00:0a.0 Ethernet controller: Linksys Network Everywhere Fast Ethernet 10/100
model NC100 (rev 11)
Subsystem: Linksys: Unknown device 0570
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 32 (63750ns min, 63750ns max), cache line size 08
Interrupt: pin A routed to IRQ 9
Region 0: I/O ports at 6c00 [size=256]
Region 1: Memory at ea001000 (32-bit, non-prefetchable) [size=1K]
Expansion ROM at e4000000 [disabled] [size=128K]
Capabilities: [c0] Power Management version 1
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:0b.0 Ethernet controller: Linksys Network Everywhere Fast Ethernet 10/100
model NC100 (rev 11)
Subsystem: Linksys: Unknown device 0570
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 32 (63750ns min, 63750ns max), cache line size 08
Interrupt: pin A routed to IRQ 5
Region 0: I/O ports at 7000 [size=256]
Region 1: Memory at ea000000 (32-bit, non-prefetchable) [size=1K]
Expansion ROM at e5000000 [disabled] [size=128K]
Capabilities: [c0] Power Management version 1
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:0c.0 VGA compatible controller: Matrox Graphics, Inc. MGA 1064SG
[Mystique] (rev 02) (prog-if 00 [VGA])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping+ SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 32
Interrupt: pin A routed to IRQ 10
Region 0: Memory at e6000000 (32-bit, non-prefetchable) [size=16K]
Region 1: Memory at e7000000 (32-bit, prefetchable) [size=8M]
Region 2: Memory at e8000000 (32-bit, non-prefetchable) [size=8M]
Expansion ROM at <unassigned> [disabled] [size=64K]


Jean-Philippe




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