Re: [2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-30 Thread Chris Wright
* Linus Torvalds ([EMAIL PROTECTED]) wrote: > On Mon, 30 Jul 2007, Chris Wright wrote: > > This also fixes paravirt patching which was broken when text_poke() > > tried to patch the various pv ops in lookup_address. > > Hmm. What is "this"? The revert? Yes, sorry, your revert also fixes

Re: [2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-30 Thread Linus Torvalds
On Mon, 30 Jul 2007, Chris Wright wrote: > > This also fixes paravirt patching which was broken when text_poke() > tried to patch the various pv ops in lookup_address. Hmm. What is "this"? The revert? That said, I do wonder whether virtualization still has problems with CONFIG_RODATA,

Re: [2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-30 Thread Chris Wright
* Linus Torvalds ([EMAIL PROTECTED]) wrote: > On Thu, 26 Jul 2007, Rafael J. Wysocki wrote: > > On my Turion64-based HPC nx6325 with the 2.6.23-rc1 x86_64 kernel doing > > > > # echo 0 > /sys/devices/system/cpu/cpu1/online > > > > causes the system to crash in a spectacular fashion (call traces

Re: [2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-30 Thread Chris Wright
* Linus Torvalds ([EMAIL PROTECTED]) wrote: On Thu, 26 Jul 2007, Rafael J. Wysocki wrote: On my Turion64-based HPC nx6325 with the 2.6.23-rc1 x86_64 kernel doing # echo 0 /sys/devices/system/cpu/cpu1/online causes the system to crash in a spectacular fashion (call traces going

Re: [2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-30 Thread Linus Torvalds
On Mon, 30 Jul 2007, Chris Wright wrote: This also fixes paravirt patching which was broken when text_poke() tried to patch the various pv ops in lookup_address. Hmm. What is this? The revert? That said, I do wonder whether virtualization still has problems with CONFIG_RODATA, though. We

Re: [2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-30 Thread Chris Wright
* Linus Torvalds ([EMAIL PROTECTED]) wrote: On Mon, 30 Jul 2007, Chris Wright wrote: This also fixes paravirt patching which was broken when text_poke() tried to patch the various pv ops in lookup_address. Hmm. What is this? The revert? Yes, sorry, your revert also fixes paravirt

Re: [2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-26 Thread Linus Torvalds
On Thu, 26 Jul 2007, Rafael J. Wysocki wrote: > > > > Rafael, does reverting just this part (and leaving the "text_poke()" > > cleanups) work for you? > > Yes, it does, with the appended fix on top. :-) Heh, I noticed that myself, but assumed you'd figure it out. I ended up renaming

Re: [2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-26 Thread Rafael J. Wysocki
On Thursday, 26 July 2007 18:43, Linus Torvalds wrote: > > On Thu, 26 Jul 2007, Rafael J. Wysocki wrote: > > > > On my Turion64-based HPC nx6325 with the 2.6.23-rc1 x86_64 kernel doing > > > > # echo 0 > /sys/devices/system/cpu/cpu1/online > > > > causes the system to crash in a spectacular

Re: [2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-26 Thread Linus Torvalds
On Thu, 26 Jul 2007, Rafael J. Wysocki wrote: > > On my Turion64-based HPC nx6325 with the 2.6.23-rc1 x86_64 kernel doing > > # echo 0 > /sys/devices/system/cpu/cpu1/online > > causes the system to crash in a spectacular fashion (call traces going > continuously on the console, no reaction to

[2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-26 Thread Rafael J. Wysocki
Hi, On my Turion64-based HPC nx6325 with the 2.6.23-rc1 x86_64 kernel doing # echo 0 > /sys/devices/system/cpu/cpu1/online causes the system to crash in a spectacular fashion (call traces going continuously on the console, no reaction to anything except for the power button). For this reason,

Re: [2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-26 Thread Linus Torvalds
On Thu, 26 Jul 2007, Rafael J. Wysocki wrote: Rafael, does reverting just this part (and leaving the text_poke() cleanups) work for you? Yes, it does, with the appended fix on top. :-) Heh, I noticed that myself, but assumed you'd figure it out. I ended up renaming oaddr as addr,

Re: [2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-26 Thread Linus Torvalds
On Thu, 26 Jul 2007, Rafael J. Wysocki wrote: On my Turion64-based HPC nx6325 with the 2.6.23-rc1 x86_64 kernel doing # echo 0 /sys/devices/system/cpu/cpu1/online causes the system to crash in a spectacular fashion (call traces going continuously on the console, no reaction to anything

[2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-26 Thread Rafael J. Wysocki
Hi, On my Turion64-based HPC nx6325 with the 2.6.23-rc1 x86_64 kernel doing # echo 0 /sys/devices/system/cpu/cpu1/online causes the system to crash in a spectacular fashion (call traces going continuously on the console, no reaction to anything except for the power button). For this reason,

Re: [2.6.23-rc1 REGRESSION] CPU hotplug totally broken on HPC nx6325 (x86_64)

2007-07-26 Thread Rafael J. Wysocki
On Thursday, 26 July 2007 18:43, Linus Torvalds wrote: On Thu, 26 Jul 2007, Rafael J. Wysocki wrote: On my Turion64-based HPC nx6325 with the 2.6.23-rc1 x86_64 kernel doing # echo 0 /sys/devices/system/cpu/cpu1/online causes the system to crash in a spectacular fashion (call