Date: Thu, 23 May 2013 07:23:33 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Erich Dollansky <erichsfreebsdlist@alogt.com> Cc: current@freebsd.org Subject: Re: Fatal trap 3: breakpoint instruction fault Message-ID: <20130523042333.GM3047@kib.kiev.ua> In-Reply-To: <20130523102524.6c1dff10@X220.ovitrap.com> References: <20130523102524.6c1dff10@X220.ovitrap.com>
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--iuSNqxg68fA5MBUR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, May 23, 2013 at 10:25:24AM +0700, Erich Dollansky wrote: > Hi, >=20 > I updated my system over night. It suddenly reboots and I find some 20 > entries like this in /var/log/message: >=20 > May 23 10:05:28 X220 kernel: Fatal trap 3: breakpoint instruction fault > while in kernel mode=20 > May 23 10:05:28 X220 kernel: cpuid =3D 0; apic id =3D 00=20 > May 23 10:05:28 X220 kernel: instruction pointer =3D > 0x20:0xffffffff80809f7e=20 > May 23 10:05:28 X220 kernel: stack pointer =3D > 0x28:0xffffff82336de7c0=20 > May 23 10:05:28 X220 kernel: frame pointer =3D > 0x28:0xffffff82336de7e0=20 > May 23 10:05:28 X220 kernel: code segment =3D base 0x0, > limit 0xfffff, type 0x1b=20 > May 23 10:05:28 X220 kernel: =3D DPL 0, pres 1, long 1, def32 0, gran 1= =20 > May 23 10:05:28 X220 kernel: processor eflags =3D IOPL =3D 0=20 > May 23 10:05:28 X220 kernel: current process =3D 2043 (chrome)=20 > May 23 10:05:28 X220 kernel: trap number =3D 3=20 > May 23 10:05:28 X220 kernel: > panic: breakpoint instruction fault=20 > May 23 10:05:28 X220 kernel: cpuid =3D 0=20 > May 23 10:05:28 X220 kernel: KDB: enter: panic=20 > May 23 10:05:28 X220 kernel:=20 > May 23 10:05:28 X220 kernel:=20 >=20 > All messages have chrome as the current process but different values > for IP and SP. >=20 > uname -a says: >=20 > FreeBSD X220.ovitrap.com 10.0-CURRENT FreeBSD 10.0-CURRENT #24 r250918: > Thu May 23 09:00:07 WIT 2013 > erich@X220.ovitrap.com:/usr/obj/usr/src/sys/X220 amd64 Do you have ddb compiled in ? If yes, did you used it before the breakpoint trap was reported ? Did you used gdb or strace in the usermode before the trap ? >=20 > Is this a known problem? >=20 > All I could find at the Internet is a bit old and not related to chrome > at all. >=20 > Erich > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" --iuSNqxg68fA5MBUR Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.20 (FreeBSD) iQIcBAEBAgAGBQJRnZnFAAoJEJDCuSvBvK1BwzoP/3ft7NB99mzPm5z5EhkrNRDj rUzpUa/Vhy2ON1eCq7XjrzS/H/kNpzCY/l85ZuSVP4IJU1Mpww5wcfx/VZ7umx01 8BtI1xMfIdDd2HgqgPEUEGaasN+FkluCuGyPXnPbcpQguuN2g05Kjlt1EbojLGeC kHJoC9m3LO08v0oHzSReH2a9OFAXlmlFxRS/pythhrafHGv14nHfuuh90nSwt4nh vqToo8BLX0WvkRf5wM+G9cZXq99ALFZJg6QYkgBAdHi9oUURJET9RjXcnCZLsFGC fOfR6Jy7mM2TB0gnr0A7JDD46Ph856RYwBBXEH3s0dCopMr7rnp9z9f0/rLwEMmS BEh9cTRLlkFX6eo6CQAIRGHjYOm3ZmtXDz5ZWyZEuwRPa3T+5NxrccVRiz+JitHV z/CgRscKe6sw/Oyb8hUubp1WK49ydCBmcvsjaFiymKZnjATNNGKPod0dQounSlKj 5+yqRPAU6/gkHw3uDUDSbZhxH/xJjFofJ9VNm2GHRG32BJ+Nq3I2WtK4lL5Z3dSm Lb2rbadih0VpRhscGG7ikTvb1r+YPp4YczJfSFrHdNOKKQalTJ94gkb/cTVfGFHh aXEUZQcu0YetDRTI9mxgQ54s4xlRDc13x0h5yk6ipOtsVajCf/3P2yEGphSd5yi7 dJldloriCGLq/VYaATu4 =CCmr -----END PGP SIGNATURE----- --iuSNqxg68fA5MBUR--
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