Re: powerpc: mpc85xx regression since 2.6.39-rc2, one cpu core lame

2011-05-18 Thread Kumar Gala
On May 17, 2011, at 4:40 PM, Benjamin Herrenschmidt wrote: > On Tue, 2011-05-17 at 18:28 +0200, Richard Cochran wrote: >> Ben, >> >> Recent 2.6.39-rc kernels behave strangely on the Freescale dual core >> mpc8572 and p2020. There is a long pause (like 2 seconds) in the boot >> sequence after "mp

Re: powerpc: mpc85xx regression since 2.6.39-rc2, one cpu core lame

2011-05-18 Thread Kumar Gala
On May 18, 2011, at 4:48 PM, Benjamin Herrenschmidt wrote: > >> (I get the feeling that I am the only one testing recent kernels with >> the mpc85xx.) >> >> Anyhow, I see that this commit was one of a series. For my own use, >> can I simply revert this one commit independently? > > For your ow

Re: powerpc: mpc85xx regression since 2.6.39-rc2, one cpu core lame

2011-05-18 Thread Benjamin Herrenschmidt
> (I get the feeling that I am the only one testing recent kernels with > the mpc85xx.) > > Anyhow, I see that this commit was one of a series. For my own use, > can I simply revert this one commit independently? For your own use sure :-) But I'd still like to get to the bottom of this ! Cheers

Re: powerpc: mpc85xx regression since 2.6.39-rc2, one cpu core lame

2011-05-18 Thread Benjamin Herrenschmidt
On Wed, 2011-05-18 at 12:19 -0500, Milton Miller wrote: > Does this patch help? If so please reply to that thread so patchwork > will see it in addition to here. > > http://patchwork.ozlabs.org/patch/96146/ Interesting. I'll have a closer look today. Unfortunately, I don't have any 32-bit BookE

Re: powerpc: mpc85xx regression since 2.6.39-rc2, one cpu core lame

2011-05-18 Thread Milton Miller
Does this patch help? If so please reply to that thread so patchwork will see it in addition to here. http://patchwork.ozlabs.org/patch/96146/ milton ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc

Re: powerpc: mpc85xx regression since 2.6.39-rc2, one cpu core lame

2011-05-18 Thread Richard Cochran
On Wed, May 18, 2011 at 07:40:16AM +1000, Benjamin Herrenschmidt wrote: > On Tue, 2011-05-17 at 18:28 +0200, Richard Cochran wrote: > > Ben, > > > > Recent 2.6.39-rc kernels behave strangely on the Freescale dual core > > mpc8572 and p2020. There is a long pause (like 2 seconds) in the boot > > se

Re: powerpc: mpc85xx regression since 2.6.39-rc2, one cpu core lame

2011-05-17 Thread Benjamin Herrenschmidt
On Tue, 2011-05-17 at 18:28 +0200, Richard Cochran wrote: > Ben, > > Recent 2.6.39-rc kernels behave strangely on the Freescale dual core > mpc8572 and p2020. There is a long pause (like 2 seconds) in the boot > sequence after "mpic: requesting IPIs..." > > When the system comes up, only one core

powerpc: mpc85xx regression since 2.6.39-rc2, one cpu core lame

2011-05-17 Thread Richard Cochran
Ben, Recent 2.6.39-rc kernels behave strangely on the Freescale dual core mpc8572 and p2020. There is a long pause (like 2 seconds) in the boot sequence after "mpic: requesting IPIs..." When the system comes up, only one core shows in /proc/cpuinfo. Later on, lots of messages appear like the foll