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Subjectcmd649 ok 1 cpu, 2 cpus, not working
Dear team,

I use cmd649 IDE cards with 1 CPU no problems (long term experience),
but with 2 CPUs, it has never worked with an ACER Altos 2-cpu system
(dual p-iii 800 MHz) with many different kernels, all the way from
2.4.10-acx to 2.4.18-pre9-ac2.
Here we have 2.4.18-pre9-ac2,

In this system, we have SCSI disks, and a cmd649 card with an
unrecognised disk attached to the primary.

$ ls -l /proc/ide
total 0
-r--r--r-- 1 root root 0 Feb 13 23:39 cmd64x
-r--r--r-- 1 root root 0 Feb 13 23:39 drivers
lrwxrwxrwx 1 root root 8 Feb 13 23:39 hda -> ide0/hda
dr-xr-xr-x 3 root root 0 Feb 13 23:39 ide0
-r--r--r-- 1 root root 0 Feb 13 23:39 via
[nicku@ictlab] /proc/ide
1009 $ cat via
----------VIA BusMastering IDE Configuration----------------
Driver Version: 3.29
South Bridge: VIA vt82c686a
Revision: ISA 0x22 IDE 0x10
Highest DMA rate: UDMA66
BM-DMA base: 0x90c0
PCI clock: 33MHz
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 no
Simplex only: no no
Cable Type: 40w 40w
-------------------drive0----drive1----drive2----drive3-----
Transfer Mode: UDMA DMA DMA DMA
Address Setup: 30ns 120ns 120ns 120ns
Cmd Active: 90ns 90ns 480ns 480ns
Cmd Recovery: 30ns 30ns 480ns 480ns
Data Active: 90ns 330ns 330ns 330ns
Data Recovery: 30ns 270ns 270ns 270ns
Cycle Time: 60ns 600ns 600ns 600ns
Transfer Rate: 33.0MB/s 3.3MB/s 3.3MB/s 3.3MB/s

$ cat cmd64x

CMD649 Chipset.
--------------- Primary Channel ---------------- Secondary Channel
-------------
enabled enabled
--------------- drive0 --------- drive1 -------- drive0 ----------
drive1 ------
DMA enabled: no no no no
DMA Mode: PIO(?) PIO(?) PIO(?)
PIO(?)
PIO Mode: ? ? ? ?
polling polling
pending clear
enabled enabled
CFR = 0x44, HI = 0x04, LOW = 0x04
ARTTIM23 = 0x0c, HI = 0x00, LOW = 0x0c
MRDMODE = 0x04, HI = 0x00, LOW = 0x04
[nicku@ictlab] /proc/ide
1005 $ ls -l /proc/ide
total 0
-r--r--r-- 1 root root 0 Feb 13 23:24 cmd64x
-r--r--r-- 1 root root 0 Feb 13 23:24 drivers
lrwxrwxrwx 1 root root 8 Feb 13 23:24 hda -> ide0/hda
dr-xr-xr-x 3 root root 0 Feb 13 23:24 ide0
-r--r--r-- 1 root root 0 Feb 13 23:24 via
$ sudo lspci -v
Password:
00:00.0 Host bridge: VIA Technologies, Inc. VT82C691 [Apollo PRO] (rev
c4)
Flags: bus master, medium devsel, latency 0
Memory at e0000000 (32-bit, prefetchable) [size=64M]
Capabilities: [a0] AGP version 2.0
Capabilities: [c0] Power Management version 2

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
I/O behind bridge: 00007000-00007fff
Memory behind bridge: 80100000-820fffff
Capabilities: [80] Power Management version 2

00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South]
(rev 22)
Subsystem: VIA Technologies, Inc. VT82C686/A PCI to ISA Bridge
Flags: bus master, stepping, medium devsel, latency 0

00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 10)
(prog-if 8a [Master SecP PriP])
Flags: bus master, medium devsel, latency 32
I/O ports at 90c0 [size=16]
Capabilities: [c0] Power Management version 2

00:07.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 10)
(prog-if 00 [UHCI])
Subsystem: Unknown device 0925:1234
Flags: bus master, medium devsel, latency 32, IRQ 19
I/O ports at 9080 [size=32]
Capabilities: [80] Power Management version 2

00:07.4 Host bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 30)
Flags: medium devsel
Capabilities: [68] Power Management version 2

00:08.0 RAID bus controller: CMD Technology Inc PCI0649 (rev 02)
Subsystem: CMD Technology Inc PCI0649
Flags: bus master, medium devsel, latency 64, IRQ 16
I/O ports at 8000 [size=8]
I/O ports at 8040 [size=4]
I/O ports at 8080 [size=8]
I/O ports at 80c0 [size=4]
I/O ports at 8400 [size=16]
Expansion ROM at 82100000 [disabled] [size=512K]
Capabilities: [60] Power Management version 2

00:0d.0 Ethernet controller: Intel Corporation 82557 [Ethernet Pro 100] (rev 08)
Subsystem: Intel Corporation 82559 Fast Ethernet LAN on Motherboard
Flags: bus master, medium devsel, latency 32, IRQ 18
Memory at 82700000 (32-bit, non-prefetchable) [size=4K]
I/O ports at 9000 [size=64]
Memory at 82800000 (32-bit, non-prefetchable) [size=1M]
Expansion ROM at 82900000 [disabled] [size=1M]
Capabilities: [dc] Power Management version 2

00:0f.0 SCSI storage controller: Adaptec 7899P (rev 01)
Subsystem: Acer Incorporated [ALI]: Unknown device 2005
Flags: bus master, 66Mhz, medium devsel, latency 32, IRQ 19
BIST result: 00
I/O ports at 8800 [disabled] [size=256]
Memory at 82181000 (64-bit, non-prefetchable) [size=4K]
Expansion ROM at 821a0000 [disabled] [size=128K]
Capabilities: [dc] Power Management version 2

00:0f.1 SCSI storage controller: Adaptec 7899P (rev 01)
Subsystem: Acer Incorporated [ALI]: Unknown device 2005
Flags: bus master, 66Mhz, medium devsel, latency 32, IRQ 19
BIST result: 00
I/O ports at 8c00 [disabled] [size=256]
Memory at 82182000 (64-bit, non-prefetchable) [size=4K]
Expansion ROM at 821c0000 [disabled] [size=128K]
Capabilities: [dc] Power Management version 2

01:00.0 VGA compatible controller: ATI Technologies Inc Rage XL AGP (rev 65) (prog-if 00 [VGA])
Subsystem: ATI Technologies Inc: Unknown device 0008
Flags: bus master, stepping, medium devsel, latency 32, IRQ 17
Memory at 81000000 (32-bit, non-prefetchable) [size=16M]
I/O ports at 7000 [size=256]
Memory at 80100000 (32-bit, non-prefetchable) [size=4K]
Expansion ROM at 80120000 [disabled] [size=128K]
Capabilities: [50] AGP version 1.0
Capabilities: [5c] Power Management version 1

[nicku@ictlab] /proc/ide
1007 $ sudo lspci -v
00:00.0 Host bridge: VIA Technologies, Inc. VT82C691 [Apollo PRO] (rev c4)
Flags: bus master, medium devsel, latency 0
Memory at e0000000 (32-bit, prefetchable) [size=64M]
Capabilities: [a0] AGP version 2.0
Capabilities: [c0] Power Management version 2

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
I/O behind bridge: 00007000-00007fff
Memory behind bridge: 80100000-820fffff
00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 22)
Subsystem: VIA Technologies, Inc. VT82C686/A PCI to ISA Bridge
Flags: bus master, stepping, medium devsel, latency 0

00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 10) (prog-if 8a [Master SecP PriP])
Flags: bus master, medium devsel, latency 32
I/O ports at 90c0 [size=16]
Capabilities: [c0] Power Management version 2

00:07.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 10) (prog-if 00 [UHCI])
Subsystem: Unknown device 0925:1234
Flags: bus master, medium devsel, latency 32, IRQ 19
I/O ports at 9080 [size=32]
Capabilities: [80] Power Management version 2

00:07.4 Host bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 30)
Flags: medium devsel
Capabilities: [68] Power Management version 2

00:08.0 RAID bus controller: CMD Technology Inc PCI0649 (rev 02)
Subsystem: CMD Technology Inc PCI0649
Flags: bus master, medium devsel, latency 64, IRQ 16
I/O ports at 8000 [size=8]
I/O ports at 8040 [size=4]
I/O ports at 8080 [size=8]
I/O ports at 80c0 [size=4]
I/O ports at 8400 [size=16]
Expansion ROM at 82100000 [disabled] [size=512K]
Capabilities: [60] Power Management version 2

00:0d.0 Ethernet controller: Intel Corporation 82557 [Ethernet Pro 100] (rev 08)
Subsystem: Intel Corporation 82559 Fast Ethernet LAN on Motherboard
Flags: bus master, medium devsel, latency 32, IRQ 18
Memory at 82700000 (32-bit, non-prefetchable) [size=4K]
I/O ports at 9000 [size=64]
Memory at 82800000 (32-bit, non-prefetchable) [size=1M]
Expansion ROM at 82900000 [disabled] [size=1M]
Capabilities: [dc] Power Management version 2

00:0f.0 SCSI storage controller: Adaptec 7899P (rev 01)
Subsystem: Acer Incorporated [ALI]: Unknown device 2005
Flags: bus master, 66Mhz, medium devsel, latency 32, IRQ 19
BIST result: 00
I/O ports at 8800 [disabled] [size=256]
Memory at 82181000 (64-bit, non-prefetchable) [size=4K]
Expansion ROM at 821a0000 [disabled] [size=128K]
Capabilities: [dc] Power Management version 2

00:0f.1 SCSI storage controller: Adaptec 7899P (rev 01)
Subsystem: Acer Incorporated [ALI]: Unknown device 2005
Flags: bus master, 66Mhz, medium devsel, latency 32, IRQ 19
BIST result: 00
I/O ports at 8c00 [disabled] [size=256]
Memory at 82182000 (64-bit, non-prefetchable) [size=4K]
Expansion ROM at 821c0000 [disabled] [size=128K]
Capabilities: [dc] Power Management version 2

01:00.0 VGA compatible controller: ATI Technologies Inc Rage XL AGP (rev 65) (prog-if 00 [VGA])
Subsystem: ATI Technologies Inc: Unknown device 0008
Flags: bus master, stepping, medium devsel, latency 32, IRQ 17
Memory at 81000000 (32-bit, non-prefetchable) [size=16M]
I/O ports at 7000 [size=256]
Memory at 80100000 (32-bit, non-prefetchable) [size=4K]
Expansion ROM at 80120000 [disabled] [size=128K]
Capabilities: [50] AGP version 1.0
Capabilities: [5c] Power Management version 1

Desperate to solve this. It is the departmental student server and I
only have ATA disks to solve the out of disk space problem. We have
over 1000 studnet accounts on this used daily.

--
Nick Urbanik RHCE nicku@vtc.edu.hk
Dept. of Information & Communications Technology
Hong Kong Institute of Vocational Education (Tsing Yi)
Tel: (852) 2436 8576, (852) 2436 8579 Fax: (852) 2436 8526
PGP: 53 B6 6D 73 52 EE 1F EE EC F8 21 98 45 1C 23 7B ID: 7529555D
GPG: 7FFA CDC7 5A77 0558 DC7A 790A 16DF EC5B BB9D 2C24 ID: BB9D2C24


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