Date: Wed, 14 Mar 2012 13:27:20 -0700 From: Julian Elischer <julian@freebsd.org> To: Artem Belevich <art@freebsd.org> Cc: Maninya M <maninya@gmail.com>, freebsd-hackers@freebsd.org Subject: Re: Capture states of all processes at the same time Message-ID: <4F60FF28.8010104@freebsd.org> In-Reply-To: <CAFqOu6gkzk4A_o74P4fd-q8RDHsHy88grEg1G7ksc2tjwV6UFA@mail.gmail.com> References: <CAC46K3mNJQDf%2BKqA0YYiAXXdyjhU3iSX8V-5%2B2rF8Ah0aH-7rA@mail.gmail.com> <CAFqOu6i1TY-4FcGYEqvD00uz2qx9yL971s0Ca6PsxEVSTjnCSQ@mail.gmail.com> <CAC46K3kcuoDt92tj5yQN2E9Aj%2BRVihaA-NXUTaZBm8WFGZVC-Q@mail.gmail.com> <CAC46K3=Kq=J9fqfyV8FewmE49gcNh_C-rmL4rZu1PrRicTvhGA@mail.gmail.com> <CAFqOu6gkzk4A_o74P4fd-q8RDHsHy88grEg1G7ksc2tjwV6UFA@mail.gmail.com>
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On 3/14/12 12:02 PM, Artem Belevich wrote: > On Wed, Mar 14, 2012 at 11:25 AM, Maninya M<maninya@gmail.com> wrote: >> Then typed this to force a panic: >> >> sysctl debug.kdb.panic=1 >> >> The computer just hung after this, and after waiting for a while I pressed >> the reboot button. >> It said "no core dumps found" while rebooting. > First, make sure you have swap space configured. If minidump is not > enabled (check sysctl debug.minidump) you will need to make sure you > have more swap space than physical memory. > Then make sure that dump device is set up correctly. See dumpdev in rc.conf(5) > > If that didn't work, you may be running into the issue in PR kern/155421: > http://www.freebsd.org/cgi/query-pr.cgi?pr=kern%2F155421&cat= > > Alas, I don't know what to do about that. or just do "ps" from ddb and then continue. you can set things up in 9 (and maybe 8, I don't know) to capture the ddb output.. > --Artem > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >
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