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SubjectBug in kernel 2.4.19?
From
Date
Hello: 

I think I found a bug in kernel 2.4.19. I enclose all the information
you say in www.kernel.org

Bug in memory management in kernel 2.4.19

This kernel seems to have a problem when a huge amount of memory is
allocated by a program. In my case, I work with GIMP, with a picture of
5000 x 3500 pixels. When I try to move a 'big' selection (25% or more of
the surface of the picture), my linux system simply reboots. No kernel
panic, no hangs, no popups... simply reboots after accessing a lot to
the hard disk (for memory swapping, of course). There's no problem with
kernel 2.4.18 (I changed to it after discover this), so it seems to be a
new bug.

kernel memory management



Linux version 2.4.19 (root@localhost.localdomain) (gcc version 2.96
20000731 (Red Hat Linux 7.1 2.96-85)) #3 mié sep 11 19:44:45 CEST 2002


processor : 0
vendor_id : AuthenticAMD
cpu family : 5
model : 8
model name : AMD-K6(tm) 3D processor
stepping : 12
cpu MHz : 451.041
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 : 897.84



ppp_deflate 40832 0 (autoclean)
bsd_comp 4192 0 (autoclean)
ppp_async 6720 1 (autoclean)
ppp_generic 15820 3 (autoclean) [ppp_deflate bsd_comp
ppp_async]
slhc 4608 1 (autoclean) [ppp_generic]
sr_mod 12184 0 (autoclean)
cdrom 27712 0 (autoclean) [sr_mod]
via82cxxx_audio 17920 1 (autoclean)
ac97_codec 9664 0 (autoclean) [via82cxxx_audio]
soundcore 3684 2 (autoclean) [via82cxxx_audio]
8139too 12992 1 (autoclean)
mii 1104 0 (autoclean) [8139too]
ide-scsi 7808 0
scsi_mod 83192 2 [sr_mod ide-scsi]
rtc 6332 0 (autoclean)


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 : sis6326fb
03f6-03f6 : ide0
03f8-03ff : serial(auto)
0cf8-0cff : PCI conf1
5000-500f : VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
6000-607f : VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
c000-cfff : PCI Bus #01
c000-c07f : Silicon Integrated Systems [SiS] 86C326
d000-d00f : VIA Technologies, Inc. Bus Master IDE
dc00-dcff : VIA Technologies, Inc. VT82C686 AC97 Audio Controller
dc00-dcff : via82cxxx_audio
e000-e003 : VIA Technologies, Inc. VT82C686 AC97 Audio Controller
e000-e003 : via82cxxx_audio
e400-e403 : VIA Technologies, Inc. VT82C686 AC97 Audio Controller
e400-e403 : via82cxxx_audio
e800-e8ff : Realtek Semiconductor Co., Ltd. RTL-8139/8139C
e800-e8ff : 8139too


00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000f0000-000fffff : System ROM
00100000-0fffffff : System RAM
00100000-001d9349 : Kernel code
001d934a-00211d7f : Kernel data
d0000000-d7ffffff : VIA Technologies, Inc. VT82C597 [Apollo VP3]
d8000000-d9ffffff : PCI Bus #01
d9000000-d900ffff : Silicon Integrated Systems [SiS] 86C326
db000000-db7fffff : PCI Bus #01
db000000-db7fffff : Silicon Integrated Systems [SiS] 86C326
db000000-db3fffff : sis6326fb
db800000-db800fff : Brooktree Corporation Bt878
db801000-db8010ff : Realtek Semiconductor Co., Ltd. RTL-8139/8139C
db801000-db8010ff : 8139too
db802000-db802fff : Brooktree Corporation Bt878
ffff0000-ffffffff : reserved



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 d0000000 (32-bit, prefetchable) [size=128M]
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: 0000c000-0000cfff
Memory behind bridge: d8000000-d9ffffff
Prefetchable memory behind bridge: db000000-db7fffff
BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-

00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South]
(rev 1b)
Subsystem: VIA Technologies, Inc. VT82C686/A PCI to 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. 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 d000 [size=16]
Capabilities: [c0] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:07.4 Host bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
(rev 20)
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-

00:07.5 Multimedia audio controller: VIA Technologies, Inc. AC97 Audio
Controller (rev 21)
Subsystem: VIA Technologies, Inc. AC97 Audio 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-
Interrupt: pin C routed to IRQ 11
Region 0: I/O ports at dc00 [size=256]
Region 1: I/O ports at e000 [size=4]
Region 2: I/O ports at e400 [size=4]
Capabilities: [c0] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:09.0 Multimedia video controller: Brooktree Corporation Bt878 (rev
02)
Subsystem: Askey Computer Corp. MagicTView CPH060 - Video
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 (4000ns min, 10000ns max)
Interrupt: pin A routed to IRQ 10
Region 0: Memory at db802000 (32-bit, prefetchable) [size=4K]

00:09.1 Multimedia controller: Brooktree Corporation Bt878 (rev 02)
Subsystem: Askey Computer Corp. MagicTView CPH060 - Audio
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 (1000ns min, 63750ns max)
Interrupt: pin A routed to IRQ 10
Region 0: Memory at db800000 (32-bit, prefetchable) [size=4K]

00:0a.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: 32 (8000ns min, 16000ns max)
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at e800 [size=256]
Region 1: Memory at db801000 (32-bit, non-prefetchable) [size=256]
Expansion ROM at <unassigned> [disabled] [size=64K]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0-,D1+,D2+,D3hot+,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

01:00.0 VGA compatible controller: Silicon Integrated Systems [SiS]
86C326 (rev d2) (prog-if 00 [VGA])
Subsystem: Silicon Integrated Systems [SiS] SiS6326 GUI Accelerator
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 (500ns min)
Region 0: Memory at db000000 (32-bit, prefetchable) [size=8M]
Region 1: Memory at d9000000 (32-bit, non-prefetchable) [size=64K]
Region 2: I/O ports at c000 [size=128]
Expansion ROM at <unassigned> [disabled] [size=64K]
Capabilities: [40] 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-
Capabilities: [50] AGP version 1.0
Status: RQ=1 SBA- 64bit- FW- Rate=x1,x2
Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>


/proc/memimfo

total: used: free: shared: buffers: cached:
Mem: 263794688 147288064 116506624 0 4112384 66719744
Swap: 320745472 0 320745472
MemTotal: 257612 kB
MemFree: 113776 kB
MemShared: 0 kB
Buffers: 4016 kB
Cached: 65156 kB
SwapCached: 0 kB
Active: 24816 kB
Inactive: 100304 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 257612 kB
LowFree: 113776 kB
SwapTotal: 313228 kB
SwapFree: 313228 kB


I maintain my system updated with RedCarpet.

--
Nos leemos
RASTER

raster@rastersoft.com http://www.rastersoft.com

Have you tried GAG? http://www.rastersoft.com/gageng.htm

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