On Wed, Feb 28, 2024 at 10:51:15PM +0530, Sourabh Jain wrote: > With patch series [1], PowerPC supports nr_cpus=1, > so use nr_cpus=1 instead of maxcpu=1 in the kdump environment. > > Note this changes is dependent on kernel changes [1] > > [1] https://lore.kernel.org/all/170800202447.601034.7290612623478478380.b4-ty... > > Signed-off-by: Sourabh Jain <sourabhjain(a)linux.ibm.com&gt; > Cc: Hari Bathini <hbathini(a)linux.ibm.com&gt; > Cc: Mahesh Salgaonkar <mahesh(a)linux.ibm.com&gt; > --- > gen-kdump-sysconfig.sh | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/gen-kdump-sysconfig.sh b/gen-kdump-sysconfig.sh > index 4a28350..78b0bb7 100755 > --- a/gen-kdump-sysconfig.sh > +++ b/gen-kdump-sysconfig.sh > @@ -92,7 +92,7 @@ ppc64le) > update_param KDUMP_COMMANDLINE_REMOVE \ > "hugepages hugepagesz slub_debug quiet log_buf_len swiotlb hugetlb_cma ignition.firstboot" > update_param KDUMP_COMMANDLINE_APPEND \ > - "irqpoll maxcpus=1 noirqdistrib reset_devices cgroup_disable=memory numa=off udev.children-max=2 ehea.use_mcs=0 panic=10 kvm_cma_resv_ratio=0 transparent_hugepage=never novmcoredd hugetlb_cma=0" > + "irqpoll nr_cpus=1 noirqdistrib reset_devices cgroup_disable=memory numa=off udev.children-max=2 ehea.use_mcs=0 panic=10 kvm_cma_resv_ratio=0 transparent_hugepage=never novmcoredd hugetlb_cma=0" Acked-by: Pingfan Liu <piliu(a)redhat.com&gt; @Coiby, the related kernel commit is in linux tree now, and will be in 6.9-rc1. This patch can be safely applied after the Fedora kernel is rebased on that version. Otherwise, the CKI test will oops.

> ;; > s390x) > update_param KEXEC_ARGS "-s" > -- > 2.43.0