Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
On Thu, 17 May 2007, Frank Sorenson wrote: > > Please boot with slub_debug. > > No debugging output at all. Still hangs with only: > Kernel alive > Kernel direct mapping tables up to 1 @ 8000-d000 H. No other output? Could it be that early console output is not available? Try earlyprintk=xx? Try another platform that has working early printk support (x86_64 seems broken to me)? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
On Thu, 17 May 2007, Frank Sorenson wrote: > >> I've tracked down this hang to a kzalloc in the hpet code that never > >> returns. But only when using SLUB. Using SLAB, the highres/dyntick > >> patch boots without problem. > >> > >> ...adding Christoph to the CC list... > > > > Please boot with slub_debug. > > No debugging output at all. Still hangs with only: > Kernel alive > Kernel direct mapping tables up to 1 @ 8000-d000 Is there some way you can get a stack trace? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
On Thu, 17 May 2007, Frank Sorenson wrote: I've tracked down this hang to a kzalloc in the hpet code that never returns. But only when using SLUB. Using SLAB, the highres/dyntick patch boots without problem. ...adding Christoph to the CC list... Please boot with slub_debug. No debugging output at all. Still hangs with only: Kernel alive Kernel direct mapping tables up to 1 @ 8000-d000 Is there some way you can get a stack trace? - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
On Thu, 17 May 2007, Frank Sorenson wrote: Please boot with slub_debug. No debugging output at all. Still hangs with only: Kernel alive Kernel direct mapping tables up to 1 @ 8000-d000 H. No other output? Could it be that early console output is not available? Try earlyprintk=xx? Try another platform that has working early printk support (x86_64 seems broken to me)? - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Christoph Lameter wrote: > On Thu, 17 May 2007, Frank Sorenson wrote: >> Frank Sorenson wrote: >> >>> Hrm. Looks like it gets past the hpet_is_known There's still something >>> in the hpet detection code, but I didn't get to the bottom of it yet. >>> I'll do some more debugging to track down where it's really hanging. >>> Sorry for the noise. >> I've tracked down this hang to a kzalloc in the hpet code that never >> returns. But only when using SLUB. Using SLAB, the highres/dyntick >> patch boots without problem. >> >> ...adding Christoph to the CC list... > > Please boot with slub_debug. No debugging output at all. Still hangs with only: Kernel alive Kernel direct mapping tables up to 1 @ 8000-d000 Frank - -- Frank Sorenson - KD7TZK Linux Systems Engineer, DSS Engineering, UBS AG [EMAIL PROTECTED] -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGTSPMaI0dwg4A47wRAkiaAJ0X80qq/ASp6zDEDAibOebZ1awBLACgh0OM mHK5zxK+rwSNoiDlVRv6p8g= =vegA -END PGP SIGNATURE- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
On Thu, 17 May 2007, Frank Sorenson wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Frank Sorenson wrote: > > > Hrm. Looks like it gets past the hpet_is_known There's still something > > in the hpet detection code, but I didn't get to the bottom of it yet. > > I'll do some more debugging to track down where it's really hanging. > > Sorry for the noise. > > I've tracked down this hang to a kzalloc in the hpet code that never > returns. But only when using SLUB. Using SLAB, the highres/dyntick > patch boots without problem. > > ...adding Christoph to the CC list... Please boot with slub_debug. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Frank Sorenson wrote: > Hrm. Looks like it gets past the hpet_is_known There's still something > in the hpet detection code, but I didn't get to the bottom of it yet. > I'll do some more debugging to track down where it's really hanging. > Sorry for the noise. I've tracked down this hang to a kzalloc in the hpet code that never returns. But only when using SLUB. Using SLAB, the highres/dyntick patch boots without problem. ...adding Christoph to the CC list... Frank - -- Frank Sorenson - KD7TZK Linux Systems Engineer, DSS Engineering, UBS AG [EMAIL PROTECTED] -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGTKkLaI0dwg4A47wRArYeAJwLs4fJDfj8CuYmUpCaifou6DBsHgCg9nvP ilEqTd1DdOD13LSl7xVeKls= =RT2W -END PGP SIGNATURE- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Frank Sorenson wrote: Hrm. Looks like it gets past the hpet_is_known There's still something in the hpet detection code, but I didn't get to the bottom of it yet. I'll do some more debugging to track down where it's really hanging. Sorry for the noise. I've tracked down this hang to a kzalloc in the hpet code that never returns. But only when using SLUB. Using SLAB, the highres/dyntick patch boots without problem. ...adding Christoph to the CC list... Frank - -- Frank Sorenson - KD7TZK Linux Systems Engineer, DSS Engineering, UBS AG [EMAIL PROTECTED] -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGTKkLaI0dwg4A47wRArYeAJwLs4fJDfj8CuYmUpCaifou6DBsHgCg9nvP ilEqTd1DdOD13LSl7xVeKls= =RT2W -END PGP SIGNATURE- - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
On Thu, 17 May 2007, Frank Sorenson wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Frank Sorenson wrote: Hrm. Looks like it gets past the hpet_is_known There's still something in the hpet detection code, but I didn't get to the bottom of it yet. I'll do some more debugging to track down where it's really hanging. Sorry for the noise. I've tracked down this hang to a kzalloc in the hpet code that never returns. But only when using SLUB. Using SLAB, the highres/dyntick patch boots without problem. ...adding Christoph to the CC list... Please boot with slub_debug. - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Christoph Lameter wrote: On Thu, 17 May 2007, Frank Sorenson wrote: Frank Sorenson wrote: Hrm. Looks like it gets past the hpet_is_known There's still something in the hpet detection code, but I didn't get to the bottom of it yet. I'll do some more debugging to track down where it's really hanging. Sorry for the noise. I've tracked down this hang to a kzalloc in the hpet code that never returns. But only when using SLUB. Using SLAB, the highres/dyntick patch boots without problem. ...adding Christoph to the CC list... Please boot with slub_debug. No debugging output at all. Still hangs with only: Kernel alive Kernel direct mapping tables up to 1 @ 8000-d000 Frank - -- Frank Sorenson - KD7TZK Linux Systems Engineer, DSS Engineering, UBS AG [EMAIL PROTECTED] -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGTSPMaI0dwg4A47wRAkiaAJ0X80qq/ASp6zDEDAibOebZ1awBLACgh0OM mHK5zxK+rwSNoiDlVRv6p8g= =vegA -END PGP SIGNATURE- - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Frank Sorenson wrote: > After adding *lots* of early_printks, I see that it hangs in > hpet_is_known(hdp) called from hpet_alloc(), so something in the hpet > code is still buggy. Adding nohpet to the kernel command line allows it > to boot correctly. Hrm. Looks like it gets past the hpet_is_known There's still something in the hpet detection code, but I didn't get to the bottom of it yet. I'll do some more debugging to track down where it's really hanging. Sorry for the noise. Frank - -- Frank Sorenson - KD7TZK Linux Systems Engineer, DSS Engineering, UBS AG [EMAIL PROTECTED] -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGS9lFaI0dwg4A47wRApdSAJoDsFphRHZq/tu3d4nJaqMvt+tLGQCghf1L OCuPEpCRr9tBSnBdVNiShRE= =NDZn -END PGP SIGNATURE- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Thomas Gleixner wrote: > I'm pleased to announce an updated version of the x86_64 highres/dyntick > support patches against 2.6.22-rc1: > > http://www.tglx.de/projects/hrtimers/2.6.22-rc1/linux-2.6.22-rc1-x86_64-highres-v5.patch > > Broken out version is available here: > http://www.tglx.de/projects/hrtimers/2.6.22-rc1/linux-2.6.22-rc1-x86_64-highres-v5.patches.tar.bz2 > > Changes since the last version: > > - Enforced enabling of HPET (Venki Pallipadi) > Detects and enables HPET on Intel ICHx chipsets, when the BIOS > hides it. > > Venki, great work, thanks ! > > - Another variant of PIT wreckage fixup > Frank, does this one work for you ? Unfortunately, no. After adding *lots* of early_printks, I see that it hangs in hpet_is_known(hdp) called from hpet_alloc(), so something in the hpet code is still buggy. Adding nohpet to the kernel command line allows it to boot correctly. Frank - -- Frank Sorenson - KD7TZK Linux Systems Engineer, DSS Engineering, UBS AG [EMAIL PROTECTED] -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGS1/3aI0dwg4A47wRAuaIAKD1MG5x4cvWXGRCwkHEGBzhUHyJlQCfez+S ODHcJ4FEJ4W4LB7NzW32X6Q= =r1q5 -END PGP SIGNATURE- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
I'm pleased to announce an updated version of the x86_64 highres/dyntick support patches against 2.6.22-rc1: http://www.tglx.de/projects/hrtimers/2.6.22-rc1/linux-2.6.22-rc1-x86_64-highres-v5.patch Broken out version is available here: http://www.tglx.de/projects/hrtimers/2.6.22-rc1/linux-2.6.22-rc1-x86_64-highres-v5.patches.tar.bz2 Changes since the last version: - Enforced enabling of HPET (Venki Pallipadi) Detects and enables HPET on Intel ICHx chipsets, when the BIOS hides it. Venki, great work, thanks ! - Another variant of PIT wreckage fixup Frank, does this one work for you ? - Various fixlets (me) Comments, bugreports, patches are welcome as usual Thanks, tglx - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
I'm pleased to announce an updated version of the x86_64 highres/dyntick support patches against 2.6.22-rc1: http://www.tglx.de/projects/hrtimers/2.6.22-rc1/linux-2.6.22-rc1-x86_64-highres-v5.patch Broken out version is available here: http://www.tglx.de/projects/hrtimers/2.6.22-rc1/linux-2.6.22-rc1-x86_64-highres-v5.patches.tar.bz2 Changes since the last version: - Enforced enabling of HPET (Venki Pallipadi) Detects and enables HPET on Intel ICHx chipsets, when the BIOS hides it. Venki, great work, thanks ! - Another variant of PIT wreckage fixup Frank, does this one work for you ? - Various fixlets (me) Comments, bugreports, patches are welcome as usual Thanks, tglx - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Thomas Gleixner wrote: I'm pleased to announce an updated version of the x86_64 highres/dyntick support patches against 2.6.22-rc1: http://www.tglx.de/projects/hrtimers/2.6.22-rc1/linux-2.6.22-rc1-x86_64-highres-v5.patch Broken out version is available here: http://www.tglx.de/projects/hrtimers/2.6.22-rc1/linux-2.6.22-rc1-x86_64-highres-v5.patches.tar.bz2 Changes since the last version: - Enforced enabling of HPET (Venki Pallipadi) Detects and enables HPET on Intel ICHx chipsets, when the BIOS hides it. Venki, great work, thanks ! - Another variant of PIT wreckage fixup Frank, does this one work for you ? Unfortunately, no. After adding *lots* of early_printks, I see that it hangs in hpet_is_known(hdp) called from hpet_alloc(hd), so something in the hpet code is still buggy. Adding nohpet to the kernel command line allows it to boot correctly. Frank - -- Frank Sorenson - KD7TZK Linux Systems Engineer, DSS Engineering, UBS AG [EMAIL PROTECTED] -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGS1/3aI0dwg4A47wRAuaIAKD1MG5x4cvWXGRCwkHEGBzhUHyJlQCfez+S ODHcJ4FEJ4W4LB7NzW32X6Q= =r1q5 -END PGP SIGNATURE- - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] x86-64 highres/dyntick support 2.6.22-rc1-v5
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Frank Sorenson wrote: After adding *lots* of early_printks, I see that it hangs in hpet_is_known(hdp) called from hpet_alloc(hd), so something in the hpet code is still buggy. Adding nohpet to the kernel command line allows it to boot correctly. Hrm. Looks like it gets past the hpet_is_known There's still something in the hpet detection code, but I didn't get to the bottom of it yet. I'll do some more debugging to track down where it's really hanging. Sorry for the noise. Frank - -- Frank Sorenson - KD7TZK Linux Systems Engineer, DSS Engineering, UBS AG [EMAIL PROTECTED] -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGS9lFaI0dwg4A47wRApdSAJoDsFphRHZq/tu3d4nJaqMvt+tLGQCghf1L OCuPEpCRr9tBSnBdVNiShRE= =NDZn -END PGP SIGNATURE- - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/