Date: Sun, 12 Oct 2003 03:06:20 -0400 From: Joe Marcus Clarke <marcus@marcuscom.com> To: Kris Kennaway <kris@obsecurity.org> Cc: sgk@troutmask.apl.washington.edu Subject: Re: panic: pmap_zero_page: CMAP3 busy Message-ID: <1065942380.50866.40.camel@shumai.marcuscom.com> In-Reply-To: <20031012064129.GA26012@rot13.obsecurity.org> References: <200310120602.h9C626N1068466@gw.catspoiler.org> <1065940521.50866.29.camel@shumai.marcuscom.com> <20031012064129.GA26012@rot13.obsecurity.org>
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--=-rAqjQVrFFsMI0BAn9Mzs Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Sun, 2003-10-12 at 02:41, Kris Kennaway wrote: > On Sun, Oct 12, 2003 at 02:35:21AM -0400, Joe Marcus Clarke wrote: > > On Sun, 2003-10-12 at 02:02, Don Lewis wrote: > > > On 11 Oct, Steve Kargl wrote: > > > > Upgrade tonight (7pm PST) and received the following > > > > on rebooting > > > >=20 > > > > panic: pmap_zero_page: CMAP3 busy > > > >=20 > > > > Unfortunately, this system does not have a serial > > > > console and the panic locked it up tight. Only > > > > a hard reset brought the system back. > > >=20 > > > I was just about to type "make installworld" when I got this message > > >=20 > > > I checked the commit logs and didn't see any recent commits that look= ed > > > suspicious, and since I do have a serial console I decided to throw > > > caution to the wind and give the new kernel a try. > >=20 > > See my previous email dated Sat, 11 Oct 2003 01:39:20 -0400 on the > > subject. It looks like the problem may have to do with CPU type (PIII > > in my case). My P4 laptop has the same -CURRENT, and does not > > experience the problem. It may also be noteworthy that I have > > CPU_ENABLE_SSE on my PIII as well. >=20 > Ditto with PIII and CPU_ENABLE_SSE. I was able to get a traceback, > but I didn't bother to write it down. I can do so if necessary. The above mentioned email (subject "PANIC with tonight's -CURRENT") has the DDB trace (though it might not be very useful), and my machine is: CPU: Intel Pentium III (748.28-MHz 686-class CPU) Origin =3D "GenuineIntel" Id =3D 0x683 Stepping =3D 3 =20 Features=3D0x387f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CM= OV,PAT,PSE36,PN,MXX,FXSR,SSE> 640 MB RAM FreeBSD 5.1-CURRENT #11: Sat Oct 11 01:26:41 EDT 2003 Joe >=20 > CPU: Pentium III/Pentium III Xeon/Celeron (497.44-MHz 686-class CPU) > Origin =3D "GenuineIntel" Id =3D 0x673 Stepping =3D 3 > Features=3D0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MC= A,CMOV,PAT,PSE36,MMX,FXSR,SSE> >=20 > Kris --=20 PGP Key : http://www.marcuscom.com/pgp.asc --=-rAqjQVrFFsMI0BAn9Mzs Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQA/iP1sb2iPiv4Uz4cRAuSQAKCL0Flp8U+mbyaiZEy/FVMBA1VpPACgop42 FyWM4WtCYIQwLPpzMSW++5o= =FdHI -----END PGP SIGNATURE----- --=-rAqjQVrFFsMI0BAn9Mzs--
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