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Bug#906769: arm kernels fail to boot

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  Bug#906769: arm kernels fail to boot Vincas Dargis <vindrg@gmail.com> - 2018-08-21 10:50 +0200

#61878 — Bug#906769: arm kernels fail to boot

On Mon, 20 Aug 2018 15:16:52 -0700 Vagrant Cascadian <vagrant@debian.org> wrote:
> One "armmp-lpae" system appears to have successfully booted, but gets
> many kernel messages along these lines:
> 
> [   78.638348] INFO: rcu_sched detected stalls on CPUs/tasks:
> [   78.642433]  0-...: (0 ticks this GP) idle=29c/0/0 softirq=1396/1396 fqs=0
> [   78.649321]  (detected by 2, t=4204 jiffies, g=283, c=282, q=41917)
> [   78.655567] Task dump for CPU 0:
> [   78.658770] swapper/0       R  running task        0     0      0 0x00000000
> [   78.665844] rcu_sched kthread starved for 4207 jiffies! g283 c282 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x1
> [   78.674972] rcu_sched       S    0     7      2 0x00000000
> [   78.680506] [<c09283cc>] (__schedule) from [<c092894c>] (schedule+0x50/0xa8)
> [   78.687501] [<c092894c>] (schedule) from [<c092bd50>] (schedule_timeout+0x1e0/0x464)
> [   78.695231] [<c092bd50>] (schedule_timeout) from [<c02df870>] (rcu_gp_kthread+0x574/0x908)
> [   78.703447] [<c02df870>] (rcu_gp_kthread) from [<c028b598>] (kthread+0x118/0x130)
> [   78.710894] [<c028b598>] (kthread) from [<c0226da0>] (ret_from_fork+0x14/0x34)

I have the same case - OdroidHC1 ARM device ( armmp-lpae ) booted, but some applications kept 
hanging. Took forever to make it reboot into older kernel.

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