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2.5.33 devfs root fs boot prob

To: devfs@xxxxxxxxxxx
Subject: 2.5.33 devfs root fs boot prob
From: "Bjoern A. Zeeb" <bzeeb-lists@xxxxxxxxxxxxxxxxxx>
Date: Sun, 8 Sep 2002 23:19:41 +0200 (CEST)
Sender: devfs-bounce@xxxxxxxxxxx
Hi,

being new to devfs I do have trouble to boot a 2.5.33 with devfs
enabled. I already checked the FAQ, parts of the archive and google
but I must have overlooked s.th.

Ok, here we go:

Using grub I do have added the extra /dev/ as reported to the
lists ...

Trying to boot from hdd2:

--- boot msg ---
root   (hd1,1)
 Filesystem type is ext2fs, partition type 0x83
kernel /vmlinuz.experimental root=/dev//dev/ide/host0/bus1/target1/lun0/part2 
devfs=dall,mount,only console=tty0 console=ttyS0,9600n8r
...
Linux version 2.5.33 (bz@megablast) (gcc version 3.2) #8 SMP Sun Sep 8 20:24:16 
UTC 2002
...
Kernel command line: root=/dev//dev/ide/host0/bus1/target1/lun0/part2 
devfs=dall,mount,only console=tty0 console=ttyS0,9600n8r mem=393152K
...
devfs: v1.21 (20020820) Richard Gooch (rgooch@xxxxxxxxxxxxx)
devfs: devfs_debug: 0xfffffff
devfs: boot_options: 0x3
_devfs_get_vfs_inode(1): VFS inode: d7efcbc0  devfs_entry: c13f9f80
_devfs_get_vfs_inode():   mode: 040755  uid: 0  gid: 0
devfs_fill_super(): made devfs ptr: c0266800
...
Uniform Multi-Platform E-IDE driver Revision: 6.31
devfs_mk_dir(ide): de: d7d25380 dir: c13f9f80 ""
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PIIX4: IDE controller on PCI bus 00 dev 39
PIIX4: detected chipset, but driver not compiled in!
PIIX4: chipset revision 1
PIIX4: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:pio, hdb:DMA
    ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:DMA
hdb: MATSHITADVD-ROM SR-8583A, ATAPI CD/DVD-ROM drive
hdc: Maxtor 33073U4, ATA DISK drive
hdd: IBM-DTTA-351010, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
devfs_mk_dir(host0/bus0/target1/lun0): de: d7d25200 dir: d7d25260 "target1"
ide1 at 0x170-0x177,0x376 on irq 15
devfs_mk_dir(host0/bus1/target0/lun0): de: d7d250e0 dir: d7d25140 "target0"
devfs_mk_dir(host0/bus1/target1/lun0): de: d7d02f00 dir: d7d02f60 "target1"
hdd: host protected area => 1
hdd: 19807200 sectors (10141 MB) w/466KiB Cache, CHS=19650/16/63
request_module[block-major-22]: not ready
hdc: host protected area => 1
hdc: 60030432 sectors (30736 MB) w/512KiB Cache, CHS=59554/16/63
request_module[block-major-22]: not ready
hdb: ATAPI 32X DVD-ROM drive, 512kB Cache
devfs_register(cd): de: d7d00d40 dir: d7d25200 "lun0"  pp: d7d25260
Uniform CD-ROM driver Revision: 3.12
devfs_mk_dir(cdroms): de: d7d00a40 dir: c13f9f80 ""
devfs_mk_symlink(cdrom0)
devfs_mk_dir(input): de: d7d00860 dir: c13f9f80 ""
...
devfs_lookup(root): dentry: d7d340a0 parent: c13f9f80 by: "swapper"
devfs_d_delete(d7d340a0): dropping negative dentry
devfs_d_release(d7d340a0): inode: 00000000
devfs_lookup(root): dentry: d7d340a0 parent: c13f9f80 by: "swapper"
devfs_d_delete(d7d340a0): dropping negative dentry
devfs_d_release(d7d340a0): inode: 00000000
devfs_lookup(root): dentry: d7d340a0 parent: c13f9f80 by: "swapper"
devfs_d_delete(d7d340a0): dropping negative dentry
devfs_d_release(d7d340a0): inode: 00000000
VFS: Cannot open root device "/dev/ide/host0/bus1/target1/lun0/part2" or 00:00
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on 00:00
--- end ---

Already tried various other options w/o any success.

Thanks for any hints in advance.


PS:

why are the DPRINTKs in devfs_symlink() and devfs_mkdir() disabled ?

had them enabled with some private debugging messages in another kernel
build:

--- snipp ---
Uniform Multi-Platform E-IDE driver Revision: 6.31
devfs_mk_dirBZ_DEBUG devfs_mk_dir dir=00000000, name=ide, info=00000000
devfs_mk_dir(ide): de: d7d293e0 dir: c13f9f80 ""
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PIIX4: IDE controller on PCI bus 00 dev 39
PIIX4: detected chipset, but driver not compiled in!
PIIX4: chipset revision 1
PIIX4: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:pio, hdb:DMA
    ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:DMA
hdb: MATSHITADVD-ROM SR-8583A, ATAPI CD/DVD-ROM drive
hdc: Maxtor 33073U4, ATA DISK drive
hdd: IBM-DTTA-351010, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
devfs_mk_dirBZ_DEBUG devfs_mk_dir dir=d7d293e0, name=host0/bus0/target1/lun0, 
info=00000000
devfs_mk_dir(host0/bus0/target1/lun0): de: d7d29200 dir: d7d29260 "target1"
ide1 at 0x170-0x177,0x376 on irq 15
devfs_mk_dirBZ_DEBUG devfs_mk_dir dir=d7d293e0, name=host0/bus1/target0/lun0, 
info=00000000
devfs_mk_dir(host0/bus1/target0/lun0): de: d7cfef60 dir: d7d290e0 "target0"
devfs_mk_dirBZ_DEBUG devfs_mk_dir dir=d7d293e0, name=host0/bus1/target1/lun0, 
info=00000000
devfs_mk_dir(host0/bus1/target1/lun0): de: d7cfeea0 dir: d7cfef00 "target1"
hdd: host protected area => 1
hdd: 19807200 sectors (10141 MB) w/466KiB Cache, CHS=19650/16/63
request_module[block-major-22]: not ready
hdc: host protected area => 1
hdc: 60030432 sectors (30736 MB) w/512KiB Cache, CHS=59554/16/63
request_module[block-major-22]: not ready
hdb: ATAPI 32X DVD-ROM drive, 512kB Cache
devfs_register(cd): de: d7cfdce0 dir: d7d29200 "lun0"  pp: d7d29260
Uniform CD-ROM driver Revision: 3.12
devfs_mk_dirBZ_DEBUG devfs_mk_dir dir=00000000, name=cdroms, info=00000000
devfs_mk_dir(cdroms): de: d7cfd9e0 dir: c13f9f80 ""
devfs_mk_symlinkBZ_DEBUG devfs_mk_symlink dir=d7cfd9e0, name=cdrom0, flags=0, 
link=../ide/host0/bus0/target1/lun0/cd, handle=d7fd1eb4, info=00000000
devfs_mk_symlink(cdrom0)
devfs_mk_dirBZ_DEBUG devfs_mk_dir dir=00000000, name=input, info=00000000
devfs_mk_dir(input): de: d7cfd800 dir: c13f9f80 ""
...
devfs_lookup(root): dentry: d7d380a0 parent: c13f9f80 by: "swapper"
devfs_d_delete(d7d380a0): dropping negative dentry
devfs_d_release(d7d380a0): inode: 00000000
devfs_lookup(root): dentry: d7d380a0 parent: c13f9f80 by: "swapper"
devfs_d_delete(d7d380a0): dropping negative dentry
devfs_d_release(d7d380a0): inode: 00000000
devfs_lookup(root): dentry: d7d380a0 parent: c13f9f80 by: "swapper"
devfs_d_delete(d7d380a0): dropping negative dentry
devfs_d_release(d7d380a0): inode: 00000000
VFS: Cannot open root device "/dev/ide/host0/bus1/target1/lun0/part2" or 00:00
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on 00:00
--- snipp ---

-- 
Bjoern A. Zeeb                          bzeeb at Zabbadoz dot NeT
56 69 73 69 74                          http://www.zabbadoz.net/


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