Date: Sun, 16 Nov 2003 06:04:10 +0100 From: Harald Schmalzbauer <h@schmalzbauer.de> To: Robert Watson <rwatson@freebsd.org> Cc: current@freebsd.org Subject: Re: kernel panic with todays source Message-ID: <200311160604.14632@harrymail> In-Reply-To: <200311160549.14917@harrymail> References: <Pine.NEB.3.96L.1031115233217.25438Z-100000@fledge.watson.org> <200311160549.14917@harrymail>
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--Boundary-02=_OVwt/2B/x3pBBfn Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: quoted-printable Content-Description: signed data Content-Disposition: inline On Sunday 16 November 2003 05:49, Harald Schmalzbauer wrote: > On Sunday 16 November 2003 05:34, Robert Watson wrote: > > On Sun, 16 Nov 2003, Harald Schmalzbauer wrote: > > > Fatal trap 12 :page fault while in kernel mode > > > fault virtual address =3D0x24 > > > fault code =3Dsupervisor read, page not present > > > instruction pointer =3D0x8:0xc056c706 > > > stack pointer =3D0x10:0xcdca4ca4 > > > frame pointer =3D0x10:0xcdca4ca4 > > > code segment =3Dbase 0x0, limit 0xfffff, type 0x1b > > > =3DDPL 0, pres 1, def32 1, gran 1 > > > processor eflags =3Dresume, IOPL=3D0 > > > current process =3D11 (idle) > > > trap number =3D12 > > > panic: page fault > > > > > > I do have compiled the kernel with makeoptions debug but I don't have= a > > > serial terminal nor firewire. > > > > Could you show the output from running the following command in "gdb -k > > kernel.debug": > > > > l *0xc056c706 Sorry, forgot to mention that I answered this in Craig Rodrigues mail. But= =20 while I'm here: (kgdb) l *0xc056c706 0xc056c706 is in vsscanf (/usr/src/sys/kern/subr_scanf.c:224). 219 220 case '[': 221 fmt =3D __sccl(ccltab, fmt); 222 flags |=3D NOSKIP; 223 c =3D CT_CCL; 224 break; 225 226 case 'c': 227 flags |=3D NOSKIP; 228 c =3D CT_CHAR; Thanks, =2DHarry > > > > This will tell us where in the kernel the instruction pointer in questi= on > > was. For whatever reason, your kernel panic doesn't seem to have dropp= ed > > you into DDB (at least, the output looks that way). If you did get into > > ddb, the results of the "trace" command would be very helpful. As you > > have no serial console, it's probably sufficient to just transcript the > > I think for this I need to set "options DDB" in my kernel, don't I? But > without serial terminal this is pretty useless I think. > But I'll do if you can get needed information which was otherwise not > accessable. > > Thanks, > > -Harry > > > offsets at the end of each line in the trace (functioname+0xOFFSET) > > without the argument entries. > > > > Robert N M Watson FreeBSD Core Team, TrustedBSD Projects > > robert@fledge.watson.org Network Associates Laboratories --Boundary-02=_OVwt/2B/x3pBBfn Content-Type: application/pgp-signature Content-Description: signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQA/twVOBylq0S4AzzwRAuhOAJ0TdoTKEnoCZLRLDsL+jHkDrksngwCdGOOh O/c+6mfUAai3S4Knd5nNv9k= =I81N -----END PGP SIGNATURE----- --Boundary-02=_OVwt/2B/x3pBBfn--
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