Hi Benh,
Any ideas about this? SMP kernel is not booting on an OldWorld G3, while
UP works fine; only major difference is CONFIG_SMP, but here is the
delta between the split configs:
--- debian.master/config/powerpc/config.flavour.powerpc
+++ debian.master/config/powerpc/config.flavour.powerpc-smp
@@ -8 +8 @@
-# CONFIG_CFG80211_REG_DEBUG is not set
+CONFIG_CFG80211_REG_DEBUG=y
@@ -15 +15 @@
-# CONFIG_GENERIC_TBSYNC is not set
+CONFIG_GENERIC_TBSYNC=y
@@ -19,2 +19,2 @@
-CONFIG_KGDB=y
-CONFIG_LATENCYTOP=y
+# CONFIG_KGDB is not set
+# CONFIG_LATENCYTOP is not set
@@ -24 +24 @@
-# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+CONFIG_MUTEX_SPIN_ON_OWNER=y
@@ -26,0 +27 @@
+CONFIG_NR_CPUS=4
@@ -40 +41,2 @@
-CONFIG_SCHEDSTATS=y
+CONFIG_RCU_FANOUT=32
+# CONFIG_SCHEDSTATS is not set
@@ -42,2 +44,2 @@
-# CONFIG_SMP is not set
-CONFIG_TPS65010=m
+CONFIG_SMP=y
+# CONFIG_TPS65010 is not set
[I can send the full generated configs if it helps]
It should boot - there's nothing specific that excludes pre-G4
machines in this configuration. Could you let me know:
I appreciate your optimism, but it most certainly doesn't boot.
Andy and I have been going over it, and we're wondering if perhaps
it's the CONFIG_NEED_PER_CPU_KM bit, which is mutually exclusive
with CONFIG_SMP.
* which kernel version (precise) that you're trying to boot
linux-image-3.2.0-19-powerpc-smp (3.2.0-19.30) won't boot.
linux-image-3.2.0-18-powerpc (3.2.0-18.29) works just fine.
* more details about the machine
It's an OldWorld Beige G3 with one of the many 1GHz upgrade
boards that were popular long ago, sadly, I don't recall
which brand/model, though I suspect I'd have the same
problem booting if I dug up the original CPU and stuck it
back in.
I'm not entirely sure what more info you might want than
"OldWorld G3 Tower", but if there's something specific you'd
like me digging for, I'm all ears.
Cheers,
Jeremy
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