[syslinux] Help me with my memory

Jim Cromie jcromie at divsol.com
Mon Aug 22 18:03:39 PDT 2005


H. Peter Anvin wrote:

> Okay, now, before 3.10 is finalized... what bug reports am I still 
> forgetting?
>
>     -hpa


on the nice-to-have list:

global APPEND, that is suplemented, not overridden by label-specific 
APPENDs,
We have APPEND - to clear existing.

bash-style \
line wraps.

I reported a while back (6/08) that I was seeing spurious additions to 
the bood-line.
Im not seeing it now, but it could be Im just not tickling it properly.

subject: unknown boot options on kernel command line.
heres an excerpt:

b4 extending: (the last bit is truncated)

Jun  4 06:31:05 truck kernel: Kernel command line: 
BOOT_IMAGE=vmlinuz-2.6.12-rc5-mm2-soekris-v1 console=ttyS0,115200n81 
root=/dev/nfs nfsroot=192.168.42.1:/nfshost/truck 
nfsaddrs=192.168.42.100:192.168.42.1:192.168.42.1:255.255.255.0:soekris:eth0 
panic=5 initrd=initrd-2.6.12-rc5-mm2-soekris-v1.img kgdbwai

Jun  4 07:33:58 truck kernel: Kernel command line: 
console=ttyS0,115200n81 root=/dev/nfs 
nfsroot=192.168.42.1:/nfshost/truck 
nfsaddrs=192.168.42.100:192.168.42.1:192.168.42.1:255.255.255.0:soekris:eth0 
panic=5 initrd=initrd-2.6.12-rc5-mm2-soekris-v1.img 
BOOT_IMAGE=vmlinuz-2.6.12-rc5-mm2-soekris-v1 2.6.12-

after the patch, the pieces are complete.

Jun  8 13:16:51 truck kernel: Kernel command line: 
console=ttyS0,115200n81 root=/dev/nfs 
nfsroot=192.168.42.1:/nfshost/truck 
nfsaddrs=192.168.42.100:192.168.42.1:192.168.42.1:255.255.255.0:soekris:eth0 
panic=5 initrd=initrd-2.6.12-rc6-mm1-soekris-v1.img 
BOOT_IMAGE=vmlinuz-2.6.12-rc6-mm1-soekris-v1 2.6.12-rc6-mm1-soekris-v1
Jun  8 13:16:51 truck kernel: Unknown boot option 
`2.6.12-rc6-mm1-soekris-v1': ignoring

what Im wondering about is the last parameter, after the BOOT_IMAGE= part.
why is it there ?


switching to IPAPPEND 1, I get this:

Kernel command line: console=ttyS0,115200n81 root=/dev/nfs 
nfsroot=192.168.42.1:/nfshost/truck 
nfsaddrs=192.168.42.100:192.168.42.1:192.168.42.1:255.255.255.0:soekris:eth0 
panic=5 initrd=initrd-2.6.12-rc6-mm1-soekris-v1.img 
BOOT_IMAGE=vmlinuz-2.6.12-rc6-mm1-soekris-v1 
ip=192.168.42.100:192.168.42.1:10.0.0.1:255.255.255.0 
2.6.12-rc6-mm1-soekris-v1
Unknown boot option `2.6.12-rc6-mm1-soekris-v1': ignoring

the ip= I expect, but again that trailing argument is there.
same for the following, with IPAPPEND 2

Kernel command line: console=ttyS0,115200n81 root=/dev/nfs 
nfsroot=192.168.42.1:/nfshost/truck 
nfsaddrs=192.168.42.100:192.168.42.1:192.168.42.1:255.255.255.0:soekris:eth0 
panic=5 initrd=initrd-2.6.12-rc6-mm1-soekris-v1.img 
BOOT_IMAGE=vmlinuz-2.6.12-rc6-mm1-soekris-v1 BOOTIF=01-00-00-24-c2-46-c8 
2.6.12-rc6-mm1-soekris-v1
Unknown boot option `2.6.12-rc6-mm1-soekris-v1': ignoring


the extra option appears regularly.
Note also: in the 1st example, the BOOT_IMAGE occurs
very early in the command-line, so there may be a couple things going on.




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