[PATCH] powerpc, kexec: Fix "Processor X is stuck" issue during kexec from ST mode

Joel Stanley joel at jms.id.au
Wed Jun 11 23:39:39 PDT 2014

Hi Srivatsa,

On Sat, Jun 7, 2014 at 7:16 AM, Srivatsa S. Bhat
<srivatsa.bhat at linux.vnet.ibm.com> wrote:
> And with the following hunk added (which I had forgotten earlier), it worked just
> fine on powernv :-)

How are the patches coming along?

I just hung a machine here while attempting to kexec. It appears to
have onlined all of the secondary threads, and then hung here:

kexec: Waking offline cpu 1.
kvm: enabling virtualization on CPU1
kexec: Waking offline cpu 2.
kvm: enabling virtualization on CPU2
kexec: Waking offline cpu 3.
kvm: enabling virtualization on CPU3
kexec: Waking offline cpu 5.
kvm: enabling virtualization on CPU5
kvm: enabling virtualization on CPU63
kexec: waiting for cpu 1 (physical 1) to enter OPAL
kexec: waiting for cpu 2 (physical 2) to enter OPAL
kexec: waiting for cpu 3 (physical 3) to enter OPAL

I'm running benh's next branch as of thismorning, and SMT was off.

Could you please post your latest patches a series? I will test them here.



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