And the machine pxeboots successfully with the original unmodified initrd? You could get a serial crossover cable get enhanced console logging that way, I have used serial before, just not on normal home type machines. You could also make only tiny modifications of the initird (ie adding the sleeps to the linuxrc and/or init script so can see the output -- depending on which this initrd uses). On Sat, Oct 11, 2014 at 4:48 PM, CLOSE Dave <Dave.Close@xxxxxxxxxxxxxxxxxx> wrote: > Roger Heflin wrote: > >> it is failing to find the root device. >> >> If the root device is initrd then that should be found, since you >> are modifing the initrd you may add a few more commands to it. >> ... >> if the root device is elsewhere it is not finding that. > > Eventually, I want to modify the initrd. But first I want to find a > working procedure to create the revised version. So, without changing > anything, I'm trying to recreate the initrd. If I can't get an > unmodified version to work, I probably have no hope for a modified one. > > My current command sequence is, > > # mkdir newrd; cd newrd > # unxz <../initrd.img | cpio -im > # unxz <../initrd.img | cpio -it | cpio -oc | xz >../initrd2.img > > The result is slightly smaller than the original. lsinitrd shows both > images to have exactly the same content in the same sequence but with > different timestamps on directories and links. > > Without changing the PXE instructions, either the kernel or the append > lines, I move the new file on top of the original and try to PXE boot. > That's when it fails. It does appear to find the root as several screens > worth of messages fly by. The last few I see make reference to sda and > sdb (the target has two disks). But I can't read fast enough to see the > last messages before the kernel panic (which fills the screen). > -- > Dave Close > -- > users mailing list > users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe or change subscription options: > https://admin.fedoraproject.org/mailman/listinfo/users > Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct > Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines > Have a question? Ask away: http://ask.fedoraproject.org -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
