Hi,
I have the following messages in dmesg output, are they indicating
a cpu issue, or are they just indicating that because linux is running
in a vm under windows, and hence sharing the cpu cores with windows that
windows was using core 7 at the time the process checked?
[16236.896502] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[16236.896506] rcu: 7-...!: (0 ticks this GP) idle=d48/0/0x0
softirq=207101/207101 fqs=0
[16236.896508] (detected by 4, t=60008 jiffies, g=263697, q=1058)
[16236.896510] Sending NMI from CPU 4 to CPUs 7:
[16236.896563] NMI backtrace for cpu 7 skipped: idling at
native_safe_halt+0xe/0x10
[16236.897522] rcu: rcu_sched kthread starved for 60008 jiffies! g263697
f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=7
[16236.897522] rcu: RCU grace-period kthread stack dump:
[16236.897524] rcu_sched I 0 11 2 0x80004000
[16236.897526] Call Trace:
[16236.897532] __schedule+0x26f/0x760
[16236.897535] schedule+0x4a/0xb0
[16236.897536] schedule_timeout+0x7b/0x140
[16236.897539] ? __next_timer_interrupt+0xd0/0xd0
[16236.897541] rcu_gp_kthread+0x4db/0xa90
[16236.897543] ? rcu_nocb_cb_kthread+0x210/0x210
[16236.897545] kthread+0x115/0x140
[16236.897547] ? __kthread_bind_mask+0x60/0x60
[16236.897549] ret_from_fork+0x22/0x40
regards,
Steve
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