> -----Original Message----- > From: ebiederm at xmission.com > Sent: Sat, 13 Jun 2009 00:11:25 -0700 > To: dseetharam at inbox.com > Subject: Re: /var/log/messages doesn't have crash info when kernel gets > panic/oops/crash > > Dharmosoth Seetharam <dseetharam at inbox.com> writes: > >> Hi Neil, >> >> Thanks for your quick reply. >> >> What you have suggested is nice when we got/save crash dump (i.e vmcore) >> What if we failed to save/capture vmcore info or vmcore is corrupted >> etc. then we dont get any information >> regarding the panic/crash/oops at anywhere? > Hi Eric, > Basic questions. > 1) Do you have panic on oops set? > I think that setting more than anything else will be the > difference in what shows up in /var/log/messages. Yes, in my case panic_on_oops was set with 1 > 2) Have you tried a dry run and confirmed you can get a crash dump? No, I haven't tried this. > 3) Are you using kvm kvm? kernel virtual memory? thanks, Seetharam > > > Eric > > >> Thanks and Regards >> >> Seetharam >> >> >>> -----Original Message----- >>> From: nhorman at redhat.com >>> Sent: Fri, 12 Jun 2009 16:05:13 -0400 >>> To: dseetharam at inbox.com >>> Subject: Re: /var/log/messages doesn't have crash info when kernel gets >>> panic/oops/crash >>> >>> On Fri, Jun 12, 2009 at 01:25:49AM -0800, Dharmosoth Seetharam wrote: >>>> Hi, >>>> >>>> I have encounter a problem called /var/log/messages does not contain >>>> any >>>> information >>>> on kernel crash dump. >>>> >>>> Prior to enabling KEXEC we saw stack traces and bug info etc in >>>> /var/log/messages. >>>> After enabling KEXEC feature those info was missed. >>>> >>>> How can we get those missed info in /var/log/messages even when KEXEC >>>> feature is enabled. >>>> >>>> Any help will appreciate. >>>> >>> run crash on the resultant vmcore file that kexec can produce/save and >>> get the >>> dmesg log out of it. >>> alternatively you can use makedumpfile with the --dump-dmesg log >>> >>> Neil >>> >>>> >>>> Thanks and Regards >>>> Seetharam >>>> >>>> ____________________________________________________________ >>>> Receive Notifications of Incoming Messages >>>> Easily monitor multiple email accounts & access them with a click. >>>> Visit http://www.inbox.com/notifier and check it out! >>>> >>>> _______________________________________________ >>>> kexec mailing list >>>> kexec at lists.infradead.org >>>> http://lists.infradead.org/mailman/listinfo/kexec >> >> ____________________________________________________________ >> GET FREE SMILEYS FOR YOUR IM & EMAIL - Learn more at >> http://www.inbox.com/smileys >> Works with AIM?, MSN? Messenger, Yahoo!? Messenger, ICQ?, Google Talk? >> and most webmails ____________________________________________________________ Receive Notifications of Incoming Messages Easily monitor multiple email accounts & access them with a click. Visit http://www.inbox.com/notifier and check it out!
