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SubjectRe: 2.6.0-test4 on to mpegs and DVB
Andrew Morton wrote:
> watermodem <aquamodem@ameritech.net> wrote:
>
>>The DVD looked and sounded great, but, it was using
>> 98% of the CPU! 2.4 never used that much.
>
>
> A kernel profile will be needed to diagnose this further. Please see
> Documentation/basic_profiling.txt
>
> Also check that you have selected the correct IDE chipsets in
> configuration. And post your dmesg output, especially the IDE bits.

Full mesg attached with IDE stuff included.
Will try to do the profiling this weekend.
DVD app was XINE. I can provide the config files for it if it would be
useful.

Also, included: lspci -v, cat /proc/ide/via, and cat settings (DVD)

*** it is interesting that it is identifying the wrong cable type for
the secondary IDE (DVD/CD) as it most definitely is an 80 wire one.

lspci -v
00:00.0 Host bridge: VIA Technologies, Inc. VT82C693A/694x [Apollo
PRO133x] (rev 44)
Subsystem: Giga-byte Technology VT82C691 Apollo Pro System
Controller
Flags: bus master, medium devsel, latency 16
Memory at e2000000 (32-bit, prefetchable) [size=32M]
Capabilities: [a0] AGP version 1.0

00:01.0 PCI bridge: VIA Technologies, Inc. VT82C598/694x [Apollo
MVP3/Pro133x AGP] (prog-if 00 [Normal decode])
Flags: bus master, 66Mhz, medium devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
Memory behind bridge: e0000000-e1ffffff
Prefetchable memory behind bridge: d8000000-dfffffff
Capabilities: [80] Power Management version 2

00:07.0 ISA bridge: VIA Technologies, Inc. VT82C596 ISA [Mobile South]
(rev 23)
Subsystem: Giga-byte Technology VT82C596/A/B PCI to ISA Bridge
Flags: bus master, stepping, medium devsel, latency 0

00:07.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT8233/A/C/VT8235 PIPC Bus Master IDE (rev 10)
(prog-if 8a [Master SecP PriP])
Flags: bus master, medium devsel, latency 64
I/O ports at d000 [size=16]
Capabilities: [c0] Power Management version 2

00:07.2 USB Controller: VIA Technologies, Inc. USB (rev 11) (prog-if 00
[UHCI])
Subsystem: VIA Technologies, Inc. (Wrong ID) USB Controller
Flags: bus master, medium devsel, latency 64, IRQ 10
I/O ports at d400 [size=32]
Capabilities: [80] Power Management version 2

00:07.3 Host bridge: VIA Technologies, Inc. VT82C596 Power Management
(rev 30)
Flags: medium devsel

00:09.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100]
(rev 02)
Subsystem: Intel Corp. EtherExpress PRO/100B (TX)
Flags: bus master, medium devsel, latency 64, IRQ 11
Memory at e5100000 (32-bit, prefetchable) [size=4K]
I/O ports at d800 [size=32]
Memory at e5000000 (32-bit, non-prefetchable) [size=1M]
Expansion ROM at e4000000 [disabled] [size=1M]

00:0a.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 0a)
Subsystem: Creative Labs CT4780 SBLive! Value
Flags: bus master, medium devsel, latency 64, IRQ 5
I/O ports at dc00 [size=32]
Capabilities: [dc] Power Management version 1

00:0a.1 Input device controller: Creative Labs SB Live! MIDI/Game Port
(rev 0a)
Subsystem: Creative Labs Gameport Joystick
Flags: bus master, medium devsel, latency 64
I/O ports at e000 [size=8]
Capabilities: [dc] Power Management version 1

00:0b.0 Multimedia video controller: Brooktree Corporation Bt878 Video
Capture (rev 11)
Subsystem: Pinnacle Systems Inc. PCTV pro (TV + FM stereo receiver)
Flags: bus master, medium devsel, latency 64, IRQ 10
Memory at e5101000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data
Capabilities: [4c] Power Management version 2

00:0b.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture
(rev 11)
Subsystem: Pinnacle Systems Inc. PCTV pro (TV + FM stereo
receiver, audio section)
Flags: bus master, medium devsel, latency 64, IRQ 10
Memory at e5102000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data
Capabilities: [4c] Power Management version 2

01:00.0 VGA compatible controller: nVidia Corporation NV11 [GeForce2
MX/MX 400] (rev a1) (prog-if 00 [VGA])
Subsystem: ABIT Computer Corp.: Unknown device 6105
Flags: bus master, 66Mhz, medium devsel, latency 64, IRQ 11
Memory at e0000000 (32-bit, non-prefetchable) [size=16M]
Memory at d8000000 (32-bit, prefetchable) [size=128M]
Expansion ROM at <unassigned> [disabled] [size=64K]
Capabilities: [60] Power Management version 2
Capabilities: [44] AGP version 2.0

cat /proc/ide/via
----------VIA BusMastering IDE Configuration----------------
Driver Version: 3.37
South Bridge: VIA vt82c596b
Revision: ISA 0x23 IDE 0x10
Highest DMA rate: UDMA66
BM-DMA base: 0xd000
PCI clock: 33.3MHz
Master Read Cycle IRDY: 1ws
Master Write Cycle IRDY: 1ws
BM IDE Status Register Read Retry: yes
Max DRDY Pulse Width: No limit
-----------------------Primary IDE-------Secondary IDE------
Read DMA FIFO flush: yes yes
End Sector FIFO flush: no no
Prefetch Buffer: no no
Post Write Buffer: no no
Enabled: yes yes
Simplex only: no no
Cable Type: 80w 40w
-------------------drive0----drive1----drive2----drive3-----
Transfer Mode: UDMA UDMA DMA UDMA
Address Setup: 30ns 30ns 30ns 30ns
Cmd Active: 90ns 90ns 90ns 90ns
Cmd Recovery: 30ns 30ns 30ns 30ns
Data Active: 90ns 90ns 90ns 90ns
Data Recovery: 30ns 30ns 30ns 30ns
Cycle Time: 30ns 30ns 120ns 60ns
Transfer Rate: 66.6MB/s 66.6MB/s 16.6MB/s 33.3MB/s

IDE drive3 is the DVD:
cat settings
name value min max mode
---- ----- --- --- ----
current_speed 66 0 70 rw
dsc_overlap 1 0 1 rw
ide-scsi 0 0 1 rw
init_speed 12 0 70 rw
io_32bit 1 0 3 rw
keepsettings 0 0 1 rw
nice1 1 0 1 rw
number 3 0 3 rw
pio_mode write-only 0 255 w
slow 0 0 1 rw
unmaskirq 1 0 1 rw
using_dma 1 0 1 rw

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