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[Fwd: UP Kernel oops on EM64T with long command-line]



Hello,

I sent this to nahant-list earlier but thought some folks on here might
have run into my problem.  Thanks for any help with this issue.

/Brian/
-- 
       Brian Long                      |         |           |
       IT Data Center Systems          |       .|||.       .|||.
       Cisco Linux Developer           |   ..:|||||||:...:|||||||:..
       Phone: (919) 392-7363           |   C i s c o   S y s t e m s

--- Begin Message ---
Has anyone run into a problem where certain servers will cause the
kernel to oops if the kernel is passed a large command-line?  For
example, in our pxe configuration, we have an append line as follows:

append initrd=pxe-tftp.esl.cisco.com::images/releases/5.00b4-4/x86_64/initrd.img ks=http://wwwin-kickstart-dev/cgi-bin/pxe/getkscfg?macaddr=00:12:79:3d:f7:d8 ramdisk_size=8192 ksdevice=00:12:79:3d:f7:d8  nostorage

This is 207 characters and it works fine on all our desktops, our
Opteron-based V20z and V40z's, but it does not work on HP DL360 G4 or
DL380 G4 EM64T-based servers when trying to kickstart the RHEL 4 U2
x86_64 image (or U1 either).  The i386 image installs fine with this
long append statement.

The details are located in this Bugzilla:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=175616

Any ideas on how I might resolve this?  I've tried reducing the append
line by using filesytem symlinks on our web server (replace
images/releases with i/r), but I still end up with ~180 characters.  The
problem goes away at 176 characters or less.  :(

BTW, what is the default ramdisk_size?

Thanks for any help with this issue.

/Brian/
-- 
       Brian Long                      |         |           |
       IT Data Center Systems          |       .|||.       .|||.
       Cisco Linux Developer           |   ..:|||||||:...:|||||||:..
       Phone: (919) 392-7363           |   C i s c o   S y s t e m s

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