IDE-PCI: not in 100% native mode assign IRQ'S Later

gaurav dawra openapproject
Wed Jul 28 11:51:34 PDT 2004 

Hi Everyone, one more irq problem, these days  irq's are surrounding me with 
all guns aimed at me:-)

Well i would like to know more about them and how linux assigns irq.Any good 
Text??

Well here is my issue: One of the DELL computer , I have 'cardbus bridge' 
from PCI-to PCMCIA., FYI this bridge is working just fine on one another 
system not this one.

I am not starting the 'starting pcmcia' service while system is booting as 
there are some irq issues and i cud not able to login. So i moved the 
/etc/init.d/pcmcia to /pcmcia.
When i do 'modprobe pcmcia_core', <==system is fine, good
modprobe i82365 <== makes it panic all i can do is restart the system.
(Well the reason i am doing i82365 is that the Cardbus bridge is Ricoh 
Chipset based and it is being supported by i82365 module)

I am attaching ;lspci, dmesg and clipped startup from /var/log/message just 
to give an idea to what we are dealing with.

lspci:
[root at localhost root]# lspci
00:00.0 Host bridge: Intel Corp. 82865G [Springdale-G] Chipset Host Bridge 
(rev 02)
00:01.0 PCI bridge: Intel Corp.: Unknown device 2571 (rev 02)
00:1d.0 USB Controller: Intel Corp. 82801EB USB (Hub #1) (rev 02)
00:1d.1 USB Controller: Intel Corp. 82801EB USB (Hub #2) (rev 02)
00:1d.2 USB Controller: Intel Corp. 82801EB USB (Hub #3) (rev 02)
00:1d.3 USB Controller: Intel Corp. 82801EB USB EHCI Controller #2 (rev 02)
00:1d.7 USB Controller: Intel Corp. 82801EB USB EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev c2)
00:1f.0 ISA bridge: Intel Corp. 82801EB ISA Bridge (LPC) (rev 02)
00:1f.1 IDE interface: Intel Corp. 82801EB ICH5 IDE (rev 02)
00:1f.2 IDE interface: Intel Corp.: Unknown device 24d1 (rev 02)
00:1f.3 SMBus: Intel Corp. 82801EB SMBus (rev 02)
00:1f.5 Multimedia audio controller: Intel Corp. 82801EB AC'97 Audio (rev 
02)
01:00.0 VGA compatible controller: nVidia Corporation NV18 [GeForce4 MX 440 
AGP 8x] (rev a2)
==>02:07.0 CardBus bridge: Ricoh Co Ltd RL5c475 (rev 80)<=====Good !!(Is it 
detected)
02:0c.0 Ethernet controller: Intel Corp. 82540EM Gigabit Ethernet Controller 
(rev 02)


dmesg:
00:00.0 Host bridge: Intel Corp. 82865G [Springdale-G] Chipset Host Bridge 
(rev 02)
00:01.0 PCI bridge: Intel Corp.: Unknown device 2571 (rev 02)
00:1d.0 USB Controller: Intel Corp. 82801EB USB (Hub #1) (rev 02)
00:1d.1 USB Controller: Intel Corp. 82801EB USB (Hub #2) (rev 02)
00:1d.2 USB Controller: Intel Corp. 82801EB USB (Hub #3) (rev 02)
00:1d.3 USB Controller: Intel Corp. 82801EB USB EHCI Controller #2 (rev 02)
00:1d.7 USB Controller: Intel Corp. 82801EB USB EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev c2)
00:1f.0 ISA bridge: Intel Corp. 82801EB ISA Bridge (LPC) (rev 02)
00:1f.1 IDE interface: Intel Corp. 82801EB ICH5 IDE (rev 02)
00:1f.2 IDE interface: Intel Corp.: Unknown device 24d1 (rev 02)
00:1f.3 SMBus: Intel Corp. 82801EB SMBus (rev 02)
00:1f.5 Multimedia audio controller: Intel Corp. 82801EB AC'97 Audio (rev 
02)
01:00.0 VGA compatible controller: nVidia Corporation NV18 [GeForce4 MX 440 
AGP 8x] (rev a2)
02:07.0 CardBus bridge: Ricoh Co Ltd RL5c475 (rev 80)
02:0c.0 Ethernet controller: Intel Corp. 82540EM Gigabit Ethernet Controller 
(rev 02)
[root at localhost root]# dmesg
Linux version 2.4.20rn (root at localhost.localdomain) (gcc version 3.2.2 
20030222 (Red Hat Linux 3.2.2-5)) #2 Wed Jul 28 01:16:57 MDT 2004
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000001ff70000 (usable)
BIOS-e820: 000000001ff70000 - 000000001ff72000 (ACPI NVS)
BIOS-e820: 000000001ff72000 - 000000001ff93000 (ACPI data)
BIOS-e820: 000000001ff93000 - 0000000020000000 (reserved)
BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved)
BIOS-e820: 00000000fecf0000 - 00000000fecf1000 (reserved)
BIOS-e820: 00000000fed20000 - 00000000fed90000 (reserved)
BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved)
BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved)
0MB HIGHMEM available.
511MB LOWMEM available.
On node 0 totalpages: 130928
zone(0): 4096 pages.
zone(1): 126832 pages.
zone(2): 0 pages.
Kernel command line: auto BOOT_IMAGE=2.4.20rn ro 
BOOT_FILE=/boot/vmlinuz-2.4.20rn hdd=ide-scsi root=LABEL=/
ide_setup: hdd=ide-scsi
Initializing CPU#0
Detected 2593.546 MHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 5177.34 BogoMIPS
Memory: 514408k/523712k available (1633k kernel code, 8920k reserved, 544k 
data, 128k init, 0k highmem)
Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
Inode cache hash table entries: 32768 (order: 6, 262144 bytes)
Mount-cache hash table entries: 8192 (order: 4, 65536 bytes)
Buffer-cache hash table entries: 32768 (order: 5, 131072 bytes)
Page-cache hash table entries: 131072 (order: 7, 524288 bytes)
CPU: L1 I cache: 0K, L1 D cache: 8K
CPU: L2 cache: 512K
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU:     After generic, caps: bfebfbff 00000000 00000000 00000000
CPU:             Common caps: bfebfbff 00000000 00000000 00000000
CPU: Intel(R) Pentium(R) 4 CPU 2.60GHz stepping 09
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
mtrr: v1.40 (20010327) Richard Gooch (rgooch at atnf.csiro.au)
mtrr: detected mtrr type: Intel
PCI: PCI BIOS revision 2.10 entry at 0xfbab1, last bus=2
PCI: Using configuration type 1
PCI: Probing PCI hardware
Transparent bridge - Intel Corp. 82801BA/CA/DB PCI Bridge
PCI: Using IRQ router default [8086/24d0] at 00:1f.0
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16)
Starting kswapd
VFS: Diskquotas version dquot_6.4.0 initialized
Journalled Block Device driver loaded
devfs: v1.12c (20020818) Richard Gooch (rgooch at atnf.csiro.au)
devfs: devfs_debug: 0x0
devfs: boot_options: 0x1
Installing knfsd (copyright (C) 1996 okir at monad.swb.de).
mdacon: MDA with 8K of memory detected.
Console: switching consoles 13-16 to MDA-2
pty: 2048 Unix98 ptys configured
Serial driver version 5.05c (2001-07-08) with MANY_PORTS MULTIPORT SHARE_IRQ 
SERIAL_PCI ISAPNP enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
Real Time Clock Driver v1.10e
Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PCI_IDE: unknown IDE controller on PCI bus 00 device f9, VID=8086, DID=24db
PCI_IDE: chipset revision 2
PCI_IDE: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:pio
    ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:DMA
PCI_IDE: unknown IDE controller on PCI bus 00 device fa, VID=8086, DID=24d1
PCI_IDE: chipset revision 2
PCI_IDE: 100% native mode on irq 9
    ide2: BM-DMA at 0xfea0-0xfea7, BIOS settings: hde:pio, hdf:pio
    ide3: BM-DMA at 0xfea8-0xfeaf, BIOS settings: hdg:pio, hdh:pio
hda: Maxtor 6E040L0, ATA DISK drive
hdc: HL-DT-STDVD-ROM GDR8162B, ATAPI CD/DVD-ROM drive
hdd: SONY CD-RW CRX216E, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: 80293248 sectors (41110 MB) w/2048KiB Cache, CHS=4998/255/63
ide-floppy driver 0.99.newide
Partition check:
/dev/ide/host0/bus0/target0/lun0: p1 p2 p3
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
ide-floppy driver 0.99.newide
usb.c: registered new driver hub
md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 4096 buckets, 32Kbytes
TCP: Hash tables configured (established 32768 bind 65536)
Linux IP multicast router 0.06 plus PIM-SM
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
RAMDISK: Compressed image found at block 0
Freeing initrd memory: 83k freed
VFS: Mounted root (ext2 filesystem).
Mounted devfs on /dev
EXT3-fs: INFO: recovery required on readonly filesystem.
EXT3-fs: write access will be enabled during recovery.
kjournald starting.  Commit interval 5 seconds
EXT3-fs: ide0(3,2): orphan cleanup on readonly fs
ext3_orphan_cleanup: deleting unreferenced inode 213108
ext3_orphan_cleanup: deleting unreferenced inode 213107
ext3_orphan_cleanup: deleting unreferenced inode 213106
EXT3-fs: ide0(3,2): 3 orphan inodes deleted
EXT3-fs: recovery complete.
EXT3-fs: mounted filesystem with ordered data mode.
Mounted devfs on /dev
Freeing unused kernel memory: 128k freed
mice: PS/2 mouse device common for all mice
EXT3 FS 2.4-0.9.19, 19 August 2002 on ide0(3,2), internal journal
Adding Swap: 1048816k swap-space (priority -1)
kjournald starting.  Commit interval 5 seconds
EXT3 FS 2.4-0.9.19, 19 August 2002 on ide0(3,1), internal journal
EXT3-fs: mounted filesystem with ordered data mode.
SCSI subsystem driver Revision: 1.00
hdc: ATAPI 48X DVD-ROM drive, 256kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.12
scsi0 : SCSI host adapter emulation for IDE ATAPI devices
  Vendor: SONY      Model: CD-RW  CRX216E    Rev: PD01
  Type:   CD-ROM                             ANSI SCSI revision: 02
Attached scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0
sr0: scsi3-mmc drive: 226x/48x writer cd/rw xa/form2 cdda tray
parport0: PC-style at 0x378 (0x778) [PCSPP,TRISTATE]
parport0: irq 7 detected
ip_tables: (C) 2000-2002 Netfilter core team
Intel(R) PRO/1000 Network Driver - version 4.4.12-k1
Copyright (c) 1999-2002 Intel Corporation.
eth0: Intel(R) PRO/1000 Network Connection
e1000: eth0 NIC Link is Up 100 Mbps Full Duplex
parport0: PC-style at 0x378 (0x778) [PCSPP,TRISTATE]
parport0: irq 7 detected
lp0: using parport0 (polling).
lp0: console ready
Linux PCMCIA Card Services 3.2.7
  kernel build: 2.4.20rn #2 Wed Jul 28 01:16:57 MDT 2004
  options:  [pci] [cardbus] [apm]
=============================
Clipped /var/log/messages:
IT IS ATTACHED


Well i also tried to append "pci=biosirq" but when i do that system do not 
start and prints that no 'init' scripts found .

I believe it is again an issue of an irq, what do you think?

I will appreciate some help.

--Gaurav

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