Eric Sandeen writes:
Sam Varshavchik wrote:nodata writes:Am Freitag, den 12.12.2008, 17:57 -0500 schrieb Sam Varshavchik:I've got a quad-core dual x86_64 server that, so far, reproducably locks up under every 2.6.27 kernel released for F9 so far, when I run a build cycle. The last kernel that manages to survive under load is 2.6.26.6-79.fc9, so I'll continue to boot it until I get a 2.6.27 kernel that doesn't croak on me.Given that the hardware does not have a serial port, how else can I capture an oops, if one is being generated? At least I hope that there'll be an oops for me to capture.Take a look at netdump.Took a look.1) Only the server component is present in Fedora. There is no client. And, of course, I need the client.I haven't used netdump for a while but: http://kojipkgs.fedoraproject.org/packages/netdump/0.7.16/13/x86_64/ for example seems to have both. *shrug*2) The client package requires additional kernel modules to be built. If you are actually using netdump in Fedora, please explain how.3) netdump only supports a small set of NICs. netdump does not support my NIC.anyway, how about kexec/kdump/crash? Maybe with a little sysrq-C thrown in if it's not actually panicing?
Well, I boned up on the kexec/kdump/crash tools.Immediately found a whole bunch of bugs in mkdumprd that produces a totally useless crash initrd image for me. I was able to fix some of the problems, but still don't have a workable crash image. Working on it.
Is anybody using kexec-tools on a *freshly* installed F9 (not an upgrade from earlier Fedoras) that uses RAID volumes? Did it work for you out of the box? As far as I can tell, it can't, because Anaconda no longer creates modules.conf for new installs, but mkinitrd figures out that the regular kernel boot images needs scsi_mod, sd_mod, and your hardware IDE/SATA/SCSI module, yet mkdumprd still looks for "alias scsi_hostadapter" in modules.conf, and without it you get a dumprd image without the necessary modules need to load scsi support. Even after I fixed that, I still don't get RAID to come up in the crash initrd image, not quite sure why.
Bug 476368.
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