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SubjectPROBLEM : summer freeze
Date



1. GENERAL :

Freeze under X.

2. DESCRIPTION :

It seems to happen sometimes under X.
Everything freezes, and then I must reboot.

3. KEYWORDS :

kernel, X , freeze.

4. KERNEL VERSION :

Linux version 2.4.19 (root@eccepingus) (gcc version 2.96 20000731 (Mandrake
Linux 8.1 2.96-0.62mdk)) #4 lun ago 26 17:29:12 UTC 2002

5. LOG OUTPUT

NOTE: the line where is mentioned :
Sep 4 20:46:54 eccepingus kernel: Process X (pid: 1941, stackpage=cd767000)

isn't always the same. Sometimes , instead of X there was galeo-bin,
some times kdeinit, sometime another process ...

-------------------------------------------------------------
Sep 4 20:46:54 eccepingus kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000000
Sep 4 20:46:54 eccepingus kernel: printing eip:
Sep 4 20:46:54 eccepingus kernel: c021ca5f
Sep 4 20:46:54 eccepingus kernel: *pde = 00000000
Sep 4 20:46:54 eccepingus kernel: Oops: 0002
Sep 4 20:46:54 eccepingus kernel: CPU: 0
Sep 4 20:46:54 eccepingus kernel: EIP: 0010:[rwsem_wake+6847/6908] Not
tainted
Sep 4 20:46:54 eccepingus kernel: EIP: 0010:[<c021ca5f>] Not tainted
Sep 4 20:46:54 eccepingus kernel: EFLAGS: 00013246
Sep 4 20:46:54 eccepingus kernel: eax: 00000000 ebx: 00000040 ecx:
00000040 edx: 08399550
Sep 4 20:46:54 eccepingus kernel: esi: 08399510 edi: 00000000 ebp:
00000000 esp: cd767dd8
Sep 4 20:46:54 eccepingus kernel: ds: 0018 es: 0018 ss: 0018
Sep 4 20:46:54 eccepingus kernel: Process X (pid: 1941, stackpage=cd767000)
set 4 20:46:54 eccepingus su(pam_unix)[3594]: session closed for user root
set 4 20:46:55 eccepingus su(pam_unix)[2887]: session closed for user root
Sep 4 20:46:55 eccepingus kernel: Stack: 00000000 00000040 00000040 cd767f54
00000040 c01dd5d8 00000000 08399510
Sep 4 20:46:55 eccepingus kernel: 00000040 fffffff2 c95e9c80 00000040
c4d74160 c97fa874 c0215b0a c4d74160
Sep 4 20:46:55 eccepingus kernel: cd767f54 00000040 cd767e34 c97fa820
00000000 c97fa820 c97fa4e0 ffffff95
Sep 4 20:46:55 eccepingus kernel: Call Trace: [memcpy_fromiovec+56/96]
[unix_stream_sendmsg+410/688] [unix_write_space+55/112]
[sock_sendmsg+108/144] [kfree_skbmem+11/96]
Sep 4 20:46:55 eccepingus kernel: Call Trace: [<c01dd5d8>] [<c0215b0a>]
[<c02142c7>] [<c01d8e7c>] [<c01dbebb>]
Sep 4 20:46:55 eccepingus kernel: [__kfree_skb+262/272]
[sock_readv_writev+147/160] [sock_writev+59/80] [do_readv_writev+399/640]
[sock_read+136/160] [sys_read+226/240]
Sep 4 20:46:55 eccepingus kernel: [<c01dc016>] [<c01d91a3>] [<c01d923b>]
[<c01341cf>] [<c01d8fd8>] [<c0133f42>]
Sep 4 20:46:55 eccepingus kernel: [sys_writev+67/96] [system_call+51/56]
Sep 4 20:46:55 eccepingus kernel: [<c0134363>] [<c010881b>]
Sep 4 20:46:55 eccepingus kernel:
Sep 4 20:46:55 eccepingus kernel: Code: f3 aa 58 59 e9 40 cb ff ff ba f2 ff
ff ff e9 7d cb ff ff ba
--------------------------------------------------------------------------



OUTPUT OF VER_LINUX:

Linux eccepingus 2.4.19 #4 lun ago 26 17:29:12 UTC 2002 i686 unknown

Gnu C 2.96
Gnu make 3.79.1
binutils 2.11.90.0.8
util-linux 2.11h
mount 2.11h
modutils 2.4.16
e2fsprogs 1.24a
reiserfsprogs 3.x.0j
PPP 2.4.1
isdn4k-utils 3.1pre1
Linux C Library 2.2.4
Dynamic linker (ldd) 2.2.4
Procps 2.0.7
Net-tools 1.60
Console-tools 0.2.3
Sh-utils 2.0.11
Modules Loaded ppp_synctty ppp_async ppp_generic slhc i810_audio
ac97_codec lp parport_pc parport 8139too mii iptable_filter ipt_MASQUERADE
iptable_nat ip_conntrack ip_tables vfat fat ntfs tuner tvaudio bttv videodev
i2c-algo-bit i2c-core mga agpgart rtc



---------------------------------------------------------------------------
OUTPUT OF CPUINFO :

processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 8
model name : Pentium III (Coppermine)
stepping : 1
cpu MHz : 651.276
cache size : 256 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat
pse36 mmx fxsr sse
bogomips : 1300.88


----------------------------------------------------------------------------

OUTPUT OF /proc/modules

ppp_synctty 4864 0 (unused)
ppp_async 6368 1
ppp_generic 18604 3 [ppp_synctty ppp_async]
slhc 4608 0 [ppp_generic]
i810_audio 20512 0
ac97_codec 9824 0 [i810_audio]
lp 6624 0
parport_pc 25416 1
parport 23200 1 [lp parport_pc]
8139too 13216 2 (autoclean)
mii 1088 0 (autoclean) [8139too]
iptable_filter 1696 1 (autoclean)
ipt_MASQUERADE 1216 2 (autoclean)
iptable_nat 13652 1 [ipt_MASQUERADE]
ip_conntrack 13868 1 [ipt_MASQUERADE iptable_nat]
ip_tables 10880 5 [iptable_filter ipt_MASQUERADE iptable_nat]
vfat 9724 1 (autoclean)
fat 30424 0 (autoclean) [vfat]
ntfs 49920 1 (autoclean)
tuner 8516 1 (autoclean)
tvaudio 11200 0 (autoclean) (unused)
bttv 65600 1
videodev 5760 4 [bttv]
i2c-algo-bit 7020 1 [bttv]
i2c-core 13120 0 [tuner tvaudio bttv i2c-algo-bit]
mga 98608 0 (unused)
agpgart 21440 1
rtc 6044 0 (autoclean)

------------------------------------------------------------------------

OUTPUT OF /proc/ioports :

0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0070-007f : rtc
0080-008f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
01f0-01f7 : ide0
02f8-02ff : serial(auto)
0376-0376 : ide1
0378-037a : parport0
03c0-03df : vesafb
03f6-03f6 : ide0
03f8-03ff : serial(auto)
0540-054f : Intel Corp. 82801AA SMBus
0cf8-0cff : PCI conf1
9000-9fff : PCI Bus #01
a000-bfff : PCI Bus #02
b800-b8ff : Realtek Semiconductor Co., Ltd. RTL-8139/8139C (#2)
b800-b8ff : 8139too
bc00-bcff : Realtek Semiconductor Co., Ltd. RTL-8139/8139C
bc00-bcff : 8139too
d400-d41f : Intel Corp. 82801AA USB
d800-d83f : Intel Corp. 82801AA AC'97 Audio
d800-d83f : Intel ICH 82801AA
dc00-dcff : Intel Corp. 82801AA AC'97 Audio
dc00-dcff : Intel ICH 82801AA
ffa0-ffaf : Intel Corp. 82801AA IDE
ffa0-ffa7 : ide0
ffa8-ffaf : ide1

------------------------------------------------------------------------

OUTPUT OF /proc/iomem :


00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000f0000-000fffff : System ROM
00100000-0ffeffff : System RAM
00100000-0021ca9b : Kernel code
0021ca9c-0026165f : Kernel data
0fff0000-0fff7fff : ACPI Tables
0fff8000-0fffffff : ACPI Non-volatile Storage
daa00000-deafffff : PCI Bus #01
dc000000-ddffffff : Matrox Graphics, Inc. MGA G400 AGP
dc000000-dcffffff : vesafb
deb00000-debfffff : PCI Bus #02
debfe000-debfefff : Brooktree Corporation Bt878
debfe000-debfefff : bttv
debff000-debfffff : Brooktree Corporation Bt878
e0000000-e7ffffff : Intel Corp. 82820 820 (Camino) Chipset Host Bridge (MCH)
eed00000-efdfffff : PCI Bus #01
ef000000-ef7fffff : Matrox Graphics, Inc. MGA G400 AGP
efdfc000-efdfffff : Matrox Graphics, Inc. MGA G400 AGP
efe00000-efefffff : PCI Bus #02
efeffe00-efeffeff : Realtek Semiconductor Co., Ltd. RTL-8139/8139C (#2)
efeffe00-efeffeff : 8139too
efefff00-efefffff : Realtek Semiconductor Co., Ltd. RTL-8139/8139C
efefff00-efefffff : 8139too
fff80000-ffffffff : reserved

---------------------------------------------------------------------


OUTPUT OF lspci -vvv




00:00.0 Host bridge: Intel Corporation 82820 820 (Camino) Chipset Host Bridge
(MCH) (rev 03)
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping-
SERR+ FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort+ >SERR- <PERR-
Latency: 0
Region 0: Memory at e0000000 (32-bit, prefetchable) [size=128M]
Capabilities: <available only to root>

00:01.0 PCI bridge: Intel Corporation 82820 820 (Camino) Chipset PCI to AGP
Bridge (rev 03) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping-
SERR+ FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
I/O behind bridge: 00009000-00009fff
Memory behind bridge: eed00000-efdfffff
Prefetchable memory behind bridge: daa00000-deafffff
BridgeCtl: Parity+ SERR- NoISA- VGA+ MAbort- >Reset- FastB2B-

00:1e.0 PCI bridge: Intel Corporation 82801AA PCI Bridge (rev 02) (prog-if 00
[Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping-
SERR+ FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=32
I/O behind bridge: 0000a000-0000bfff
Memory behind bridge: efe00000-efefffff
Prefetchable memory behind bridge: deb00000-debfffff
BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-

00:1f.0 ISA bridge: Intel Corporation 82801AA ISA Bridge (LPC) (rev 02)
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

00:1f.1 IDE interface: Intel Corporation 82801AA IDE (rev 02) (prog-if 80
[Master])
Subsystem: Intel Corporation 82801AA IDE
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
Region 4: I/O ports at ffa0 [size=16]

00:1f.2 USB Controller: Intel Corporation 82801AA USB (rev 02) (prog-if 00
[UHCI])
Subsystem: Intel Corporation 82801AA USB
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
Interrupt: pin D routed to IRQ 5
Region 4: I/O ports at d400 [size=32]

00:1f.3 SMBus: Intel Corporation 82801AA SMBus (rev 02)
Subsystem: Intel Corporation 82801AA SMBus
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 B routed to IRQ 10
Region 4: I/O ports at 0540 [size=16]

00:1f.5 Multimedia audio controller: Intel Corporation 82801AA AC'97 Audio
(rev 02)
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
Interrupt: pin B routed to IRQ 10
Region 0: I/O ports at dc00 [size=256]
Region 1: I/O ports at d800 [size=64]

01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 04)
(prog-if 00 [VGA])
Subsystem: Matrox Graphics, Inc. Millennium G400 16Mb SDRAM
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: 64 (4000ns min, 8000ns max), cache line size 08
Interrupt: pin A routed to IRQ 11
Region 0: Memory at dc000000 (32-bit, prefetchable) [size=32M]
Region 1: Memory at efdfc000 (32-bit, non-prefetchable) [size=16K]
Region 2: Memory at ef000000 (32-bit, non-prefetchable) [size=8M]
Expansion ROM at efde0000 [disabled] [size=64K]
Capabilities: <available only to root>

02:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139 (rev 10)
Subsystem: Realtek Semiconductor Co., Ltd. RT8139
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: 64 (8000ns min, 16000ns max)
Interrupt: pin A routed to IRQ 10
Region 0: I/O ports at bc00 [size=256]
Region 1: Memory at efefff00 (32-bit, non-prefetchable) [size=256]
Capabilities: <available only to root>

02:02.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139 (rev 10)
Subsystem: Unex Technology Corp. ND010
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: 64 (8000ns min, 16000ns max)
Interrupt: pin A routed to IRQ 10
Region 0: I/O ports at b800 [size=256]
Region 1: Memory at efeffe00 (32-bit, non-prefetchable) [size=256]
Capabilities: <available only to root>

02:03.0 Multimedia video controller: Brooktree Corporation Bt878 (rev 11)
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: 64 (4000ns min, 10000ns max)
Interrupt: pin A routed to IRQ 5
Region 0: Memory at debfe000 (32-bit, prefetchable) [size=4K]
Capabilities: <available only to root>

02:03.1 Multimedia controller: Brooktree Corporation Bt878 (rev 11)
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: 64 (1000ns min, 63750ns max)
Interrupt: pin A routed to IRQ 5
Region 0: Memory at debff000 (32-bit, prefetchable) [size=4K]
Capabilities: <available only to root>



ADDITIONAL NOTES :

Mandrake 8.1, but I recompiled 2.4.19 vanilla kernel to include bttv
support.
x server is 4.2, kde 3.0 , but the problem was present even one year
ago.

bye bye !

--
______ Davide Patti ________________________
" chi sta sveglio non piglia sogni " ( Lodett Oio)
from Linux v.2.4.19 / hompage : xedivad.interfree.it


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