CPU2, CPU3,CPU4: failed to come online
Bug #1112333 reported by
Naresh Kamboju
This bug report is a duplicate of:
Bug #1097213: Repeatedly hotplugging CPUs crashes the kernel.
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This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Linaro big.LITTLE |
New
|
High
|
Nicolas Pitre |
Bug Description
I was running benchmark testing. On the first iteration TC2 booted fine, on the second iteration it FAILED.
[ 0.005176] TC2 power management initialized
[ 0.006252] CPU1: Booted secondary processor
[ 0.006262] CPU1: update cpu_power 1441
[ 0.006266] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[ 1.003328] CPU2: failed to come online
[ 2.003780] CPU3: failed to come online
[ 3.004194] CPU4: failed to come online
Brought up 2 CPUs
please find full execution log: https:/
Latest nico/master:
kernel: b52fb3c8deef012
workbench: 57fabfe3294116e
description: | updated |
Changed in linaro-big-little-system: | |
importance: | Undecided → High |
assignee: | nobody → Nicolas Pitre (npitre) |
description: | updated |
tags: | added: bl-iks |
Changed in linaro-big-little-system: | |
milestone: | none → 2013.02 |
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Surprise Bug reproduce again:
Linux tree: be983c4db351595 afab6d2ddf
nico/master branch
commit ID: 9cbad6f55208d16
kernel boot log: g9cbad6f (naresh@Linaro) (gcc version 3
ARM Versatile Express Boot Monitor
Version: V5.1.9
Build Date: Dec 3 2012
Daughterboard Site 1: V2P-CA15_A7 Cortex A15
Daughterboard Site 2: Not Used
>fl linux fdt tc2
Loaded FDT - tc2
>fl linux initrd initrd
Loaded initrd - initrd
>fl linux boot kern_iks
Loaded kernel - kern_iks
Booting kernel @ 0x80008000
No command line defined
initrd @ 0x85000000 (224635 bytes)
FDT @ 0x84000000 (14295 bytes)
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Linux version 3.7.6-00687-
[ 0.000000] CPU: ARMv7 Processor [412fc0f1] revision 1 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instructie
[ 0.000000] Machine: ARM-Versatile Express, model: V2P-CA15_CA7
...
[ 0.000209] Mount-cache hash table entries: 512
[ 0.003571] CPU: Testing write buffer coherency: ok
[ 0.003703] CPU0: update cpu_power 1441
[ 0.003713] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.003747] Setting up static identity map for 0x803d45e8 - 0x803d4640
[ 0.023768] failed to build OPP table
[ 0.024566] CPU1: failed to boot: -49
[ 0.024852] CPU2: failed to boot: -49
[ 0.025106] CPU3: failed to boot: -49
[ 0.025370] CPU4: failed to boot: -49
[ 0.025420] Brought up 1 CPUs
[ 0.025429] SMP: Total of 1 processors activated (48.00 BogoMIPS).