Unfortunately copy-paste messed up the kernel log a bit. sorry for that but the important part is here:
mpic: Setting up MPIC " MPIC " version 1.2 at fef40000, max 2 CPUs mpic: ISU size: 256, shift: 8, mask: ff mpic: Initializing for 256 sources clocksource: timebase mult[1e00000] shift[22] registered Console: colour dummy device 80x25 Mount-cache hash table entries: 512 smp_prepare_cpus mpic: requesting IPIs ... smp: kicking cpu 1 Processor 1 is stuck. Brought up 1 CPUs 2014-08-12 16:23 GMT+02:00 Chris Enrique <[email protected]>: > Hello, > > i am currently working on a GE PPC9A board which has a MPC8641D processor. > > i created a bsp for this board and yocto generates a fully working 3.14 > kernel and rootfs as well as devicetree. > > the only thing which is causing problems is SMP. i included the following > kernel options: > > CONFIG_SMP=y > CONFIG_SCHED_SMT=y > CONFIG_NR_CPUS=64 > > Unfortunately, only one CPU is brought up during boot: > > ... > PID hash table entries: 4096 (order: 2, 16384 bytes) > Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) > Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) > Sorting __ex_table... > Memory: 2066916K/2097152K available (4312K kernel code, 188K rwdata, 952K > rodata, 200K init, 131K bss, 30236K reserved, 1310716K highmem) > Kernel virtual memory layout: > * 0xffbdf000..0xfffff000 : fixmap > * 0xff400000..0xff800000 : highmem PTEs > * 0xff3dd000..0xff400000 : early ioremap > * 0xf1000000..0xff3dd000 : vmalloc & ioremap > Preemptible hierarchical RCU implementation. > Dump stacks of tasks blocking RCU-preempt GP. > RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. > RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 > NR_IRQS:512 nr_irqs:512 16 > mpic: Setting up MPIC " MPIC " version 1.2 at fef40000, max 2 CPUs > mpic: ISU size: 256, shift: 8, mask: ff > mpic: Initializing for 256 sources > clocksource: timebase mult[7800001] shift[24] registered > Console: colour dummy device 80x25 > pid_max: default: 32768 minimum: 301 > Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) > Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) > mpic: requesting IPIs... > ProcePID hash table entries: 4096 (order: 12, 16384 bytes) > Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) > Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) > Memory: 2044396k/2097152k available (4464k kernel code, 51632k reserved, > 148k data, 145k bss, 196k init) > Kernel virtual memory layout: > * 0xfffe0000..0xfffff000 : fixmap > * 0xff800000..0xffc00000 : highmem PTEs > * 0xff3db000..0xff800000 : early ioremap > * 0xf1000000..0xff3db000 : vmalloc & ioremap > NR_IRQS:512 > mpic: Setting up MPIC " MPIC " version 1.2 at fef40000, max 2 CPUs > mpic: ISU size: 256, shift: 8, mask: ff > mpic: Initializing for 256 sources > clocksource: timebase mult[1e00000] shift[22] registered > Console: colour dummy device 80x25 > Mount-cache hash table entries: 512 > smp_prepare_cpus > mpic: requesting IPIs ... > smp: kicking cpu 1 > Processor 1 is stuck. > Brought up 1 CPUs > NET: Registered protocol family 16 > ... > > GE had also released a kernel for this board (2009 2.6 kernel), SMP seems > to fail there as well: > > ... > Kernel virtual memory layout: > * 0xfffe0000..0xfffff000 : fixmap > * 0xff800000..0xffc00000 : highmem PTEs > * 0xff3db000..0xff800000 : early ioremap > * 0xf1000000..0xff3db000 : vmalloc & ioremap > NR_IRQS:512 > mpic: Setting up MPIC " MPIC " version 1.2 at fef40000, max 2 CPUs > mpic: ISU size: 256, shift: 8, mask: ff > mpic: Initializing for 256 sources > clocksource: timebase mult[1e00000] shift[22] registered > Console: colour dummy device 80x25 > Mount-cache hash table entries: 512 > smp_prepare_cpus > mpic: requesting IPIs ... > smp: kicking cpu 1 > Processor 1 is stuck. > Brought up 1 CPUs > ... > > Does anybody have an idea what might cause this problem? > > Kind regards, > Chris > >
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