It looks like this has been fixed upstream. I will close it. If the
problem still occurs, please reopen it.
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1170631
Title:
DT WARNING during boot
Status in linux package in Ubuntu:
Invalid
Bug description:
ubuntu@c13:~$ dmesg
[ 0.000000] Booting Linux on physical CPU 0x900
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 3.8.0-19-generic (buildd@alnasl) (gcc version
4.7.3 (Ubuntu/Linaro 4.7.3-1ubuntu1) ) #29-Ubuntu SMP Wed Apr 17 18:22:15 UTC
2013 (Ubuntu 3.8.0-19.29-generic 3.8.8)
[ 0.000000] CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing
instruction cache
[ 0.000000] Machine: Highbank, model: Calxeda Highbank
[ 0.000000] cma: CMA: reserved 16 MiB at 2e800000
[ 0.000000] Memory policy: ECC disabled, Data cache writealloc
[ 0.000000] ------------[ cut here ]------------
[ 0.000000] WARNING: at
/build/buildd/linux-3.8.0/arch/arm/kernel/devtree.c:144
arm_dt_init_cpu_maps+0xfc/0x1ac()
[ 0.000000] DT /cpu 5 nodes greater than max cores 4, capping them
[ 0.000000] Modules linked in:
[ 0.000000] [<c001df98>] (unwind_backtrace+0x0/0x104) from [<c064acb4>]
(dump_stack+0x20/0x24)
[ 0.000000] [<c064acb4>] (dump_stack+0x20/0x24) from [<c004b470>]
(warn_slowpath_common+0x5c/0x74)
[ 0.000000] [<c004b470>] (warn_slowpath_common+0x5c/0x74) from
[<c004b544>] (warn_slowpath_fmt+0x40/0x48)
[ 0.000000] [<c004b544>] (warn_slowpath_fmt+0x40/0x48) from [<c093be78>]
(arm_dt_init_cpu_maps+0xfc/0x1ac)
[ 0.000000] [<c093be78>] (arm_dt_init_cpu_maps+0xfc/0x1ac) from
[<c093ac40>] (setup_arch+0x578/0x754)
[ 0.000000] [<c093ac40>] (setup_arch+0x578/0x754) from [<c093661c>]
(start_kernel+0xc0/0x360)
[ 0.000000] [<c093661c>] (start_kernel+0xc0/0x360) from [<0000807c>]
(0x807c)
[ 0.000000] ---[ end trace da227214a82491b7 ]---
[ 0.000000] ------------[ cut here ]------------
[ 0.000000] WARNING: at
/build/buildd/linux-3.8.0/arch/arm/kernel/devtree.c:153
arm_dt_init_cpu_maps+0x12c/0x1ac()
[ 0.000000] DT missing boot CPU MPIDR[23:0], fall back to default
cpu_logical_map
[ 0.000000] Modules linked in:
[ 0.000000] [<c001df98>] (unwind_backtrace+0x0/0x104) from [<c064acb4>]
(dump_stack+0x20/0x24)
[ 0.000000] [<c064acb4>] (dump_stack+0x20/0x24) from [<c004b470>]
(warn_slowpath_common+0x5c/0x74)
[ 0.000000] [<c004b470>] (warn_slowpath_common+0x5c/0x74) from
[<c004b544>] (warn_slowpath_fmt+0x40/0x48)
[ 0.000000] [<c004b544>] (warn_slowpath_fmt+0x40/0x48) from [<c093bea8>]
(arm_dt_init_cpu_maps+0x12c/0x1ac)
[ 0.000000] [<c093bea8>] (arm_dt_init_cpu_maps+0x12c/0x1ac) from
[<c093ac40>] (setup_arch+0x578/0x754)
[ 0.000000] [<c093ac40>] (setup_arch+0x578/0x754) from [<c093661c>]
(start_kernel+0xc0/0x360)
[ 0.000000] [<c093661c>] (start_kernel+0xc0/0x360) from [<0000807c>]
(0x807c)
[ 0.000000] ---[ end trace da227214a82491b8 ]---
...
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