Date: Sat, 13 May 2006 02:39:19 +0400 From: Stanislav Sedov <stas@310.ru> To: freebsd-hackers@freebsd.org Subject: Re: no core file handler recognizes format Message-ID: <20060512223919.GA21382@fonon.realnet> In-Reply-To: <20060512220019.GA1911@silverwraith.com> References: <20060512220019.GA1911@silverwraith.com>
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On Fri, May 12, 2006 at 03:00:19PM -0700, Avleen Vig wrote: > My 6.0 box[1], and now my 6.1 box[1] have been crashing almost daily, > due to page faults. Last night I was lucky enough to see it happen on > screen, where it reported a "Page not present" error. > > When I try to look at the code file in GDB, I get this error: > > warning: "/usr/home/avleen/vmcore.0": no core file handler recognizes > format, using default > Can't fetch registers from this type of core file > Can't fetch registers from this type of core file > #0 0x00000000 in ?? () > > > I did see a message from a few months ago which stated the userworld > could be out of step with the kernel becaus the core file format changed > at some point, but I've been building the kernel and world together for > 6.0 and 6.1. > > Any suggestions befoer I downgrade to 5.4? > You should use kgdb rather the gdb. GDB doesn't recognizes kernel dumps format by default. -- --------------------------------------------------------------------- Stanislav Sedov MBSD labs, Inc. <ssedov@mbsd.msk.ru> If the facts don't fit the theory, change the facts. -- A. Einstein ---------------------------------------------------------------------
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