Brent Gardner schrieb:
Erich Titl wrote:
Brent

Brent Gardner schrieb:
Erich Titl wrote:...

I've been successfully booting the target machine from a Bering-uClibc v3.0-Beta2 CD and reading/writing config to USB flash for 2+ years and it continues to boot properly with that config
Yes, but this is a different kernel with a different initrd.
.
 From the Bering-uClibc v3.1.1-Beta2 setup that's giving me trouble:

CD uses isolinux to boot.

contents of <cd root>/boot/isolinux/isolinuc.cfg:

display isolinux.dpy
timeout 0
append reboot=bios
default linux initrd=initrd.lrp init=/linuxrc rw root=/dev/ram0 LEAFCFG=/dev/sda1:msdos PKGPATH=/dev/sda1:msdos,/dev/cdrom:iso9660 LRP=root,config,etc
It is not the isolinux which gives trouble, unless the initrd is
_not_loaded, can you confirm that?


Yeah, pretty sure initrd is loaded, otherwise it wouldn't be able to access the CD to load packages listed in LRP= above.


contents of <initrd root>/boot/lib/modules directory:

-rw-r--r-- 1 root root  37512 2009-02-07 14:37 cdrom.o
-rw-r--r-- 1 root root  20908 2009-04-28 14:19 ehci-hcd.o
-rw-r--r-- 1 root root  36596 2009-02-07 14:37 ide-cd.o
-rw-r--r-- 1 root root 135908 2009-02-07 14:37 ide-core.o
-rw-r--r-- 1 root root   1075 2009-02-07 14:37 ide-detect.o
-rw-r--r-- 1 root root  18236 2009-02-07 14:37 ide-disk.o
-rw-r--r-- 1 root root  22199 2009-02-07 14:37 isofs.o
-rw-r--r-- 1 root root  77786 2009-04-23 16:38 scsi_mod.o
-rw-r--r-- 1 root root  15828 2009-04-23 16:38 sd_mod.o
-rw-r--r-- 1 root root  81022 2009-04-23 16:35 usbcore.o
-rw-r--r-- 1 root root  22776 2009-04-28 17:10 usb-ohci.o
-rw-r--r-- 1 root root  69776 2009-04-23 16:36 usb-storage.o
-rw-r--r-- 1 root root  26392 2009-04-23 16:36 usb-uhci.o
-rw-r--r-- 1 root root  13930 2009-02-07 14:37 vfat.o
You got many more modules than I found on the initrd, this is
suspicious. Ahhhh.... you are using the initrd_ide_cd

This is the content of the modules directory in initrd_ide_cd

luna:/mnt/boot/lib/modules # ls -l
total 270
drwxr-xr-x  2 root root    288 2009-04-29 22:55 .
drwxr-xr-x  3 root root     96 2009-04-29 22:55 ..
-rw-r--r--  1 root root  37512 2009-04-29 22:55 cdrom.o
-rw-r--r--  1 root root  36628 2009-04-29 22:55 ide-cd.o
-rw-r--r--  1 root root 135908 2009-04-29 22:55 ide-core.o
-rw-r--r--  1 root root   1071 2009-04-29 22:55 ide-detect.o
-rw-r--r--  1 root root  18268 2009-04-29 22:55 ide-disk.o
-rw-r--r--  1 root root  22199 2009-04-29 22:55 isofs.o
-rw-r--r--  1 root root  13930 2009-04-29 22:55 vfat.o

so not a single usb module, you are not using the original initrd_ide_cd


Right. Actually, I add the modules and config info from initrd_usb to initrd_ide_cd and call it initrd_ide_cd_usb.lrp on my CDs.


contents of <initrd root>/boot/etc/modules:

cdrom
ide-core
ide-disk
ide-cd
ide-detect
isofs
usbcore
usb-uhci
#usb-ohci
#ehci-hcd
scsi_mod
usb-storage
sd_mod
vfat
And this is also different from the original.

On a machine where I can get it to boot, contents of /etc/modules:
tg3
e1000e

ip_conntrack
iptable_nat
ip_conntrack_amanda
ip_conntrack_ftp
ip_conntrack_h323
ip_conntrack_irc
ip_conntrack_pptp
ip_conntrack_tftp
ip_nat_amanda
ip_nat_ftp
ip_nat_h323
ip_nat_irc
ip_nat_pptp
ip_nat_snmp_basic
ip_nat_tftp
sch_sfq
sch_ingress
sch_htb
cls_fw
cls_u32
ipt_ah
ipt_CLASSIFY
ipt_connmark
ipt_CONNMARK
ipt_conntrack
ipt_esp
ipt_helper
ipt_ipp2p
ipt_MASQUERADE
ipt_owner
ipt_physdev
ipt_recent
ipt_REDIRECT
ipt_state
ipt_ttl

softdog
obviously the usb modules are _not_ loaded here

 From the Bering-uClibc v3.0-Beta2 setup that works:

CD boots eltorito-style.

.....
cdrom
ide-core
ide-disk
ide-cd
ide-detect
isofs
usbcore
usb-uhci
scsi_mod
usb-storage
sd_mod
vfat


So you are using the usb-uhci just like on the other disk.I am wondering
which modules you use to build your initrd file. You must have the usb
modules included with the ide_cd stuff.

Please run an lsmod on a machine where you can get it to boot and look
for usb modules. Try to determine _when_ they are loaded.
Use an original initrd_ide_cd to build a bootable CD for your target
machine. This will not yet allow you to use the usb stick, but you can
work from there. Load the usb modules manually to determine if they are
working correctly.

If you have a working LINUX system you can gunzip the initrd and loop
mount it, then inspect the contents. You can also add additional modules
as fit, unmount and gzip it to use it on the target.



Finally found the problem. I needed to increase the usb_wait value in /var/lib/lrpkg/root.linuxrc in my initrd package. Default value is 1, I increased that to 3. Works as expected now.

I remember (now) having to do this when I first set up my v3.0-Beta2 disks. Guess I didn't take good enough notes back then.

The machines I'm running LEAF on here are way overkill for the job, so they run through the boot process too fast to allow for proper USB initialization, I guess.


Thanks again.


Brent Gardner



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