* pc stalling when processing large files [2.6.9]
@ 2004-12-23 11:09 Folkert van Heusden
2004-12-23 13:11 ` bert hubert
0 siblings, 1 reply; 5+ messages in thread
From: Folkert van Heusden @ 2004-12-23 11:09 UTC (permalink / raw)
To: linux-kernel
Hi,
I have a P-III with 384MB of ram running kernel 2.6.9. It has one IDE disk.
When processing a large mailbox with sa-learn (the bayes learn tool of
spamassassin), the system gets very unresponsive. Like: when typing commands
on it via ssh, the system doesn't respond several times for seconds (1 or 2
maybe 3). Then when I continue to type, it gets a little better but when
idling for say 10 seconds it gets unresponsive again. The large mailbox is
aprox 200MB.
My .config can be found at: http://keetweej.vanheusden.com/~folkert/config
Folkert van Heusden
Op zoek naar een IT of Finance baan? Mail me voor de mogelijkheden!
+------------------------------------------------------------------+
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: pc stalling when processing large files [2.6.9]
2004-12-23 11:09 pc stalling when processing large files [2.6.9] Folkert van Heusden
@ 2004-12-23 13:11 ` bert hubert
2004-12-23 13:49 ` Folkert van Heusden
0 siblings, 1 reply; 5+ messages in thread
From: bert hubert @ 2004-12-23 13:11 UTC (permalink / raw)
To: Folkert van Heusden; +Cc: linux-kernel
On Thu, Dec 23, 2004 at 12:09:10PM +0100, Folkert van Heusden wrote:
> Hi,
>
> I have a P-III with 384MB of ram running kernel 2.6.9. It has one IDE disk.
> When processing a large mailbox with sa-learn (the bayes learn tool of
> spamassassin), the system gets very unresponsive. Like: when typing commands
> on it via ssh, the system doesn't respond several times for seconds (1 or 2
> maybe 3). Then when I continue to type, it gets a little better but when
> idling for say 10 seconds it gets unresponsive again. The large mailbox is
> aprox 200MB.
Sounds obvious, but can you show the output of hdparm /dev/hda ? You have
IDE DMA support enabled, but does the kernel recognize your IDE controller?
What you describe vould very well be caused by DMA being switched off for
IDE.
--
http://www.PowerDNS.com Open source, database driven DNS Software
http://lartc.org Linux Advanced Routing & Traffic Control HOWTO
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: pc stalling when processing large files [2.6.9]
2004-12-23 13:11 ` bert hubert
@ 2004-12-23 13:49 ` Folkert van Heusden
2004-12-23 13:50 ` bert hubert
0 siblings, 1 reply; 5+ messages in thread
From: Folkert van Heusden @ 2004-12-23 13:49 UTC (permalink / raw)
To: bert hubert; +Cc: linux-kernel
> > I have a P-III with 384MB of ram running kernel 2.6.9. It has one IDE disk.
> > When processing a large mailbox with sa-learn (the bayes learn tool of
> > spamassassin), the system gets very unresponsive. Like: when typing commands
> > on it via ssh, the system doesn't respond several times for seconds (1 or 2
> > maybe 3). Then when I continue to type, it gets a little better but when
> > idling for say 10 seconds it gets unresponsive again. The large mailbox is
> > aprox 200MB.
> Sounds obvious, but can you show the output of hdparm /dev/hda ? You have
> IDE DMA support enabled, but does the kernel recognize your IDE controller?
I thought it did. It's a via board.
/dev/hda:
multcount = 0 (off)
IO_support = 3 (32-bit w/sync)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 39813/16/63, sectors = 20547841536, start = 0
> What you describe vould very well be caused by DMA being switched off for
> IDE.
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: IDE controller at PCI slot 0000:00:07.1
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
VP_IDE: VIA vt82c686b (rev 40) IDE UDMA100 controller on pci0000:00:07.1
ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hda:DMA, hdb:DMA
Probing IDE interface ide0...
hda: QUANTUM FIREBALLP AS20.5, ATA DISK drive
hdb: HL-DT-ST CD-ROM GCR-8520B, ATAPI CD/DVD-ROM drive
Using anticipatory io scheduler
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: max request size: 128KiB
hda: 40132503 sectors (20547 MB) w/1902KiB Cache, CHS=39813/16/63, UDMA(100)
hda: cache flushes not supported
/dev/ide/host0/bus0/target0/lun0: p1 p2 p3
At startup, this is executed:
/usr/sbin/hdparm -c 3 -d 1 -X 69 -u 1 /dev/hda
which gives:
/dev/hda:
setting 32-bit IO_support flag to 3
setting unmaskirq to 1 (on)
setting using_dma to 1 (on)
setting xfermode to 69 (UltraDMA mode5)
IO_support = 3 (32-bit w/sync)
unmaskirq = 1 (on)
using_dma = 1 (on)
Folkert van Heusden
Op zoek naar een IT of Finance baan? Mail me voor de mogelijkheden!
+------------------------------------------------------------------+
|UNIX admin? Then give MultiTail (http://vanheusden.com/multitail/)|
|a try, it brings monitoring logfiles to a different level! See |
|http://vanheusden.com/multitail/features.html for a feature list. |
+------------------------------------------= www.unixsoftware.nl =-+
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: pc stalling when processing large files [2.6.9]
2004-12-23 13:49 ` Folkert van Heusden
@ 2004-12-23 13:50 ` bert hubert
2004-12-23 15:48 ` Folkert van Heusden
0 siblings, 1 reply; 5+ messages in thread
From: bert hubert @ 2004-12-23 13:50 UTC (permalink / raw)
To: Folkert van Heusden; +Cc: linux-kernel
On Thu, Dec 23, 2004 at 02:49:15PM +0100, Folkert van Heusden wrote:
> /usr/sbin/hdparm -c 3 -d 1 -X 69 -u 1 /dev/hda
And if you remove that line, does that help?
Also, output of 'vmstat 1' during stalls would be helpful.
--
http://www.PowerDNS.com Open source, database driven DNS Software
http://lartc.org Linux Advanced Routing & Traffic Control HOWTO
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: pc stalling when processing large files [2.6.9]
2004-12-23 13:50 ` bert hubert
@ 2004-12-23 15:48 ` Folkert van Heusden
0 siblings, 0 replies; 5+ messages in thread
From: Folkert van Heusden @ 2004-12-23 15:48 UTC (permalink / raw)
To: bert hubert; +Cc: linux-kernel
> > /usr/sbin/hdparm -c 3 -d 1 -X 69 -u 1 /dev/hda
> And if you remove that line, does that help?
No since disk-i/o goes back to 3MB/s then.
> Also, output of 'vmstat 1' during stalls would be helpful.
procs -----------memory---------- ---swap-- -----io---- --system--
----cpu----
r b swpd free buff cache si so bi bo in cs us sy id
wa
1 13 272232 1880 3752 19952 15 7 0 2 6 24 7 1 88
4
0 14 272636 1236 3752 19900 68 1220 68 1408 1216 441 10 2 0
88
0 12 272904 992 3752 19888 48 1356 48 1356 1205 225 4 2 0
94
0 14 273800 584 3784 19788 540 3600 716 3608 3643 731 3 2 0
95
0 17 273940 856 3792 19788 284 660 300 664 1202 313 0 3 0
97
0 16 274068 840 3800 20072 296 796 588 860 1146 224 5 2 0
93
0 15 274504 1232 3804 20284 48 1036 264 1036 1153 286 3 3 0
94
0 20 277020 1344 3868 20908 1048 8212 1896 8508 7863 2125 6 3 0
91
0 17 277688 1192 3868 20904 0 1484 0 1488 1208 236 11 2 0
87
0 17 278728 680 3868 20884 0 1504 0 1548 1204 474 8 4 0
88
0 16 279428 1392 3852 20980 0 1712 104 1716 1191 240 1 3 0
96
0 19 280080 4964 3852 21112 32 1652 168 1652 1215 272 18 4 0
78
0 14 280436 1376 3868 21112 0 1180 8 1460 1192 193 29 5 0
66
1 9 280768 2144 3868 21112 4 940 4 940 1208 234 0 1 0
99
0 15 281472 1032 3888 21044 32 1312 48 1316 1202 251 9 3 0
88
2 7 282356 2628 3888 20948 16 1280 16 1284 1244 308 21 5 0
74
0 9 282816 672 3888 20928 0 1000 0 1072 1182 212 9 3 0
88
0 13 284020 848 3896 20664 0 3488 0 3816 3778 586 3 1 0
96
0 13 284752 656 3896 20656 0 1488 0 1488 1201 284 4 2 0
94
0 13 285768 720 3900 20656 0 1352 0 1356 1208 280 5 2 0
93
0 9 286848 1688 3900 20544 64 5028 64 5028 1283 300 3 4 0
93
0 9 288312 1504 3940 20348 32 3596 292 3632 1399 678 22 11 0
67
0 21 288492 736 3944 19960 56 1096 300 1100 1209 248 8 3 0
89
0 16 290128 992 3944 19960 32 2072 32 2076 1234 232 4 3 0
93
0 10 293500 672 3936 19980 64 3376 136 3456 1236 290 8 4 0
88
3 10 297412 1596 3836 18892 0 3912 184 3916 1493 355 27 9 0
64
0 12 301468 736 3856 19008 8 4068 220 4140 1342 289 17 6 0
77
0 13 305624 664 3876 19000 64 4176 128 4180 1308 307 10 6 0
84
0 16 309084 664 3872 19068 92 3480 268 3824 1284 268 25 7 0
68
0 12 317984 976 3776 18704 100 8908 348 9100 2635 542 25 6 0
69
0 13 319692 792 3836 19716 36 1712 1160 1744 1241 300 6 5 0
89
0 14 322012 1576 3904 20000 524 2412 900 2412 1254 414 4 4 0
92
0 10 327280 1808 3912 19852 1700 5536 1712 5784 1725 448 7 3 0
90
0 11 334216 720 3900 19780 224 6972 224 6976 1227 213 19 6 0
75
0 10 335988 3928 3900 19008 2128 2112 2140 2112 1218 410 20 3 0
77
Folkert van Heusden
Op zoek naar een IT of Finance baan? Mail me voor de mogelijkheden!
+------------------------------------------------------------------+
|UNIX admin? Then give MultiTail (http://vanheusden.com/multitail/)|
|a try, it brings monitoring logfiles to a different level! See |
|http://vanheusden.com/multitail/features.html for a feature list. |
+------------------------------------------= www.unixsoftware.nl =-+
^ permalink raw reply [flat|nested] 5+ messages in thread
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2004-12-23 11:09 pc stalling when processing large files [2.6.9] Folkert van Heusden
2004-12-23 13:11 ` bert hubert
2004-12-23 13:49 ` Folkert van Heusden
2004-12-23 13:50 ` bert hubert
2004-12-23 15:48 ` Folkert van Heusden
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