At boot i get this in the system logs on kernel 2.6.10-r1: Mar 14 14:06:26 mbnote powernow: PowerNOW! Technology present. Can scale: frequency and voltage. Mar 14 14:06:26 mbnote powernow: No PST tables match this cpuid (0x7a0) Mar 14 14:06:26 mbnote powernow: This is indicative of a broken BIOS. Mar 14 14:06:26 mbnote powernow: Trying ACPI perflib Mar 14 14:06:26 mbnote powernow: Minimum speed 353 MHz. Maximum speed 796 MHz And the maximum frequency available is 796 MHz. It used to work. On kernel 2.6.7 i get: Mar 14 11:43:47 mbnote powernow: PowerNOW! Technology present. Can scale: frequency and voltage. Mar 14 11:43:47 mbnote powernow: FSB: 132.745 MHz Mar 14 11:43:47 mbnote powernow: Found PSB header at c00f06f0 Mar 14 11:43:47 mbnote powernow: Table version: 0x12 Mar 14 11:43:47 mbnote powernow: Flags: 0x0 (Mobile voltage regulator) Mar 14 11:43:47 mbnote powernow: Settling Time: 100 microseconds. Mar 14 11:43:47 mbnote powernow: Has 8 PST tables. (Only dumping ones relevant tothis CPU). Mar 14 11:43:47 mbnote powernow: PST:0 (@c00f0700) Mar 14 11:43:47 mbnote powernow: cpuid: 0x7a0 fsb: 133 maxFID: 0x15 startvid: 0x8 Mar 14 11:43:47 mbnote powernow: FID: 0xd (9.5x [1261MHz]) VID: 0xe (1.300V) Mar 14 11:43:47 mbnote powernow: FID: 0xe (10.0x [1327MHz]) VID: 0xd (1.350V) Mar 14 11:43:47 mbnote powernow: FID: 0xf (10.5x [1393MHz]) VID: 0xc (1.400V) Mar 14 11:43:47 mbnote powernow: FID: 0x0 (11.0x [1460MHz]) VID: 0xb (1.450V) Mar 14 11:43:47 mbnote powernow: FID: 0x1 (11.5x [1526MHz]) VID: 0xa (1.500V) Mar 14 11:43:47 mbnote powernow: FID: 0x2 (12.0x [1592MHz]) VID: 0x9 (1.550V) Mar 14 11:43:47 mbnote powernow: FID: 0x15 (13.5x [1792MHz]) VID: 0x8 (1.600V) Mar 14 11:43:47 mbnote powernow: SGTC: 13333 Mar 14 11:43:47 mbnote powernow: Minimum speed 1261 MHz. Maximum speed 1792 MHz. this is how /proc/cpuinfo looked before upgrade: processor : 0 vendor_id : AuthenticAMD cpu family : 6 model : 10 model name : Mobile AMD Athlon(tm) XP 2400+ stepping : 0 cpu MHz : 1791.648 cache size : 512 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca36 mmx fxsr sse pni syscall mp mmxext 3dnowext 3dnow bogomips : 3538.94 Reproducible: Always Steps to Reproduce: 1. 2. 3. Portage 2.0.51.19 (default-linux/x86/2004.0, gcc-3.3.4, glibc-2.3.4.20040808-r1, 2.6.10 i686) ================================================================= System uname: 2.6.10 i686 Mobile AMD Athlon(tm) XP 2400+ Gentoo Base System version 1.4.16 Python: dev-lang/python-2.2.3-r5,dev-lang/python-2.3.4-r1 [2.3.4 (#1, Mar 10 2005, 13:40:24)] distcc 2.16 i686-pc-linux-gnu (protocols 1 and 2) (default port 3632) [disabled] ccache version 2.3 [enabled] dev-lang/python: 2.2.3-r5, 2.3.4-r1 sys-devel/autoconf: 2.59-r6, 2.13 sys-devel/automake: 1.7.9-r1, 1.8.5-r3, 1.5, 1.4_p6, 1.6.3, 1.9.4 sys-devel/binutils: 2.14.90.0.7-r4 sys-devel/libtool: 1.4.3-r4, 1.5.10-r4 virtual/os-headers: 2.4.21, 2.4.19-r1 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CFLAGS="-march=athlon-xp -O3 -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3.2/share/config /usr/kde/3.3/env /usr/kde/3.3/share/config /usr/kde/3.3/shutdown /usr/kde/3/share/config /usr/lib/mozilla/defaults/pref /usr/share/config /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/ /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-march=athlon-xp -O3 -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs autoconfig ccache distlocks sandbox sfperms" GENTOO_MIRRORS="http://ftp.easynet.nl/mirror/gentoo/ http://www.gigaload.org/gentoo.org/ http://gentoo.math.bme.hu http://ftp.du.se/pub/os/gentoo http://gentoo.mirror.sdv.fr http://trumpetti.atm.tut.fi/gentoo/ http://mirror.gentoo.no/" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.de.gentoo.org/gentoo-portage" USE="x86 3dnow X aalib acpi acpi4linux adns afs alsa apache2 apm arts artswrappersuid avantgo avi bash-completion berkdb bitmap-fonts bonobo cdparanoia cdr crypt cups curl dga directfb divx4linux doc drac dvb dvd dvdread emboss encode esd evo fam flac font-server foomaticdb fortran gdbm gif gnome gphoto2 gpm gstreamer gtk gtk2 gtkhtml imagemagick imap imlib ipv6 irmc java jpeg jpeg2k junit kde kdeenablefinal kerberos ldap libg++ libwww live mad maildir mikmod mozcalendar mozilla mozp3p mozsvg mozxmlterm mp3 mpeg ncurses network nls nntp odbc oggvorbis opengl opie osspam pcmcia pda pdflib perl png ppds prelude python qt quicktime readline real ruby samba sasl scanner sdl slang slp speex spell sqlite ssl svga tcltk tcpd tetex tga tiff truetype truetype-fonts type1-fonts usb wifi xanim xemacs xine xml xml2 xmms xprint xscreensaver xv xvid xvmc zlib" Unset: ASFLAGS, CBUILD, CTARGET, LANG, LC_ALL, LDFLAGS
Please try 2.6.11, and upgrade your bios if an upgrade is available.
Upgraded BIOS and tried development-sources-2.6.11.3 with same result.
Ok, please file a bug for this at http://bugzilla.kernel.org with the info from above. Please update this bug with the URL when you have posted it, and alert us to any fixes by posting to this bug. Thanks!
bug filed at http://bugzilla.kernel.org/show_bug.cgi?id=4352
Any progress on testing 2.6.12_rc5? (see the upstream bug)
Please re-add "watch-linux-bugzilla" to the status whiteboard if you'd like us to track this bug in the future, after you have fully responded on up the upstream bug report.
