PROBLEM: 2.6.39 doesn't boot on POWER MAC
Andrey Gusev
ronne at list.ru
Wed Jun 1 06:42:15 EST 2011
31.05.2011 02:17, Benjamin Herrenschmidt пишет:
> On Mon, 2011-05-30 at 17:11 -0500, kevin diggs wrote:
>> Hi,
>>
>>> This is an SMP machine ? If not, does it work with a UP kernel ?
>>>
>>> Cheers,
>>> Ben.
>>>
>> ??? Even if it is SMP, you can run non-SMP kernel on it, right?
> Yes, I was asking whether the bug also occured with an UP kernel.
>
> Cheers,
> Ben.
>
>
I checked the kernel without HOT PLUG CPU support, it works.
I checked the kernel without SMP support, it works.
I ckecked the final kernel without HOTPLUG CPU support it doesn't work.
There are a diff of the configuration files:
--- old_config 2011-05-31 20:35:23.459100951 +0400
+++ .config 2011-05-31 20:36:02.962653880 +0400
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
# Linux/powerpc 2.6.39-rc1 Kernel Configuration
-# Sun May 29 23:00:54 2011
+# Tue May 31 20:36:02 2011
#
# CONFIG_PPC64 is not set
@@ -310,8 +310,7 @@
CONFIG_BINFMT_MISC=m
# CONFIG_IOMMU_HELPER is not set
# CONFIG_SWIOTLB is not set
-CONFIG_HOTPLUG_CPU=y
-CONFIG_ARCH_CPU_PROBE_RELEASE=y
+# CONFIG_HOTPLUG_CPU is not set
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
CONFIG_ARCH_HAS_WALK_MEMORY=y
CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
@@ -1875,7 +1874,6 @@
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
# CONFIG_LKDTM is not set
-# CONFIG_CPU_NOTIFIER_ERROR_INJECT is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_LATENCYTOP is not set
CONFIG_SYSCTL_SYSCALL_CHECK=y
--- old_config 2011-05-31 20:35:23.459100951 +0400
+++ .config 2011-05-31 22:32:07.595559180 +0400
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
# Linux/powerpc 2.6.39-rc1 Kernel Configuration
-# Sun May 29 23:00:54 2011
+# Tue May 31 22:32:07 2011
#
# CONFIG_PPC64 is not set
@@ -23,8 +23,7 @@
# CONFIG_PPC_MM_SLICES is not set
CONFIG_PPC_HAVE_PMU_SUPPORT=y
CONFIG_PPC_PERF_CTRS=y
-CONFIG_SMP=y
-CONFIG_NR_CPUS=2
+# CONFIG_SMP is not set
CONFIG_PPC32=y
CONFIG_32BIT=y
CONFIG_WORD_SIZE=32
@@ -42,7 +41,6 @@
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
-CONFIG_GENERIC_LOCKBREAK=y
CONFIG_ARCH_HAS_ILOG2_U32=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_FIND_NEXT_BIT=y
@@ -55,7 +53,7 @@
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_PPC_OF=y
# CONFIG_PPC_UDBG_16550 is not set
-CONFIG_GENERIC_TBSYNC=y
+# CONFIG_GENERIC_TBSYNC is not set
CONFIG_AUDIT_ARCH=y
CONFIG_GENERIC_BUG=y
# CONFIG_DEFAULT_UIMAGE is not set
@@ -73,6 +71,7 @@
# General setup
#
CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_CROSS_COMPILE=""
CONFIG_LOCALVERSION=""
@@ -105,6 +104,8 @@
# RCU Subsystem
#
CONFIG_TREE_PREEMPT_RCU=y
+# CONFIG_TINY_RCU is not set
+# CONFIG_TINY_PREEMPT_RCU is not set
CONFIG_PREEMPT_RCU=y
# CONFIG_RCU_TRACE is not set
CONFIG_RCU_FANOUT=32
@@ -188,7 +189,6 @@
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_ATTRS=y
-CONFIG_USE_GENERIC_SMP_HELPERS=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_DMA_API_DEBUG=y
@@ -206,7 +206,6 @@
CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODVERSIONS=y
# CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_STOP_MACHINE=y
CONFIG_BLOCK=y
# CONFIG_LBDAF is not set
CONFIG_BLK_DEV_BSG=y
@@ -249,7 +248,7 @@
# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
-CONFIG_MUTEX_SPIN_ON_OWNER=y
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
CONFIG_FREEZER=y
#
@@ -265,6 +264,8 @@
# CONFIG_PQ2ADS is not set
# CONFIG_PPC_83xx is not set
# CONFIG_PPC_86xx is not set
+# CONFIG_EMBEDDED6xx is not set
+# CONFIG_AMIGAONE is not set
# CONFIG_KVM_GUEST is not set
CONFIG_PPC_NATIVE=y
CONFIG_PPC_OF_BOOT_TRAMPOLINE=y
@@ -310,14 +311,11 @@
CONFIG_BINFMT_MISC=m
# CONFIG_IOMMU_HELPER is not set
# CONFIG_SWIOTLB is not set
-CONFIG_HOTPLUG_CPU=y
-CONFIG_ARCH_CPU_PROBE_RELEASE=y
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
CONFIG_ARCH_HAS_WALK_MEMORY=y
CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
# CONFIG_KEXEC is not set
# CONFIG_CRASH_DUMP is not set
-CONFIG_IRQ_ALL_CPUS=y
CONFIG_MAX_ACTIVE_REGIONS=32
CONFIG_ARCH_FLATMEM_ENABLE=y
CONFIG_ARCH_POPULATES_NODE_MAP=y
@@ -336,6 +334,7 @@
CONFIG_VIRT_TO_BUS=y
# CONFIG_KSM is not set
CONFIG_DEFAULT_MMAP_MIN_ADDR=32768
+CONFIG_NEED_PER_CPU_KM=y
CONFIG_PPC_4K_PAGES=y
CONFIG_FORCE_MAX_ZONEORDER=11
# CONFIG_CMDLINE_BOOL is not set
@@ -472,9 +471,6 @@
# CONFIG_NET_SCHED is not set
# CONFIG_DCB is not set
# CONFIG_BATMAN_ADV is not set
-CONFIG_RPS=y
-CONFIG_RFS_ACCEL=y
-CONFIG_XPS=y
#
# Network testing
@@ -744,7 +740,6 @@
CONFIG_MD_RAID1=m
CONFIG_MD_RAID10=m
CONFIG_MD_RAID456=m
-CONFIG_MULTICORE_RAID456=y
CONFIG_MD_MULTIPATH=m
CONFIG_MD_FAULTY=m
CONFIG_BLK_DEV_DM=y
@@ -1813,7 +1808,6 @@
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
-CONFIG_CPU_RMAP=y
CONFIG_NLATTR=y
CONFIG_GENERIC_ATOMIC64=y
# CONFIG_AVERAGE is not set
@@ -1875,7 +1869,6 @@
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
# CONFIG_LKDTM is not set
-# CONFIG_CPU_NOTIFIER_ERROR_INJECT is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_LATENCYTOP is not set
CONFIG_SYSCTL_SYSCALL_CHECK=y
@@ -1902,7 +1895,6 @@
CONFIG_PRINT_STACK_DEPTH=64
# CONFIG_DEBUG_STACKOVERFLOW is not set
# CONFIG_DEBUG_STACK_USAGE is not set
-# CONFIG_DEBUG_PER_CPU_MAPS is not set
# CONFIG_PPC_EMULATED_STATS is not set
# CONFIG_CODE_PATCHING_SELFTEST is not set
# CONFIG_FTR_FIXUP_SELFTEST is not set
@@ -1954,7 +1946,6 @@
# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
CONFIG_CRYPTO_GF128MUL=m
CONFIG_CRYPTO_NULL=m
-# CONFIG_CRYPTO_PCRYPT is not set
CONFIG_CRYPTO_WORKQUEUE=y
# CONFIG_CRYPTO_CRYPTD is not set
CONFIG_CRYPTO_AUTHENC=m
Andrey
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