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发表于 2022-10-15 15:30:42
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[ 24.236049] rcu_preempt kthread starved for 5252 jiffies! g18446744073709551399 c18446744073709551398 f0x0 s3 ->state=0x1! ~" s+ h" f5 g: f( F, ^
[ 87.198666] INFO: rcu_preempt detected stalls on CPUs/tasks:
* X. Q7 z8 r7 |% k- ?# c[ 87.204348] 0-...: (0 ticks this GP) idle=5cf/1/0 softirq=359/359 fqs=15738
! j8 c7 Q- c" B! Y, N[ 87.211901] (detected by 1, t=21007 jiffies, g=-217, c=-218, q=20)
8 u" G' N6 p0 U) R[ 87.218206] Task dump for CPU 0:
1 K% C5 j* E/ r5 {[ 87.221448] swapper/0 R running task 0 0 0 0x00000002
" S* H; N7 l! Y[ 87.228650] Call trace:
) ?! f8 I# z4 }$ S) I% Z" U4 {[ 87.231446] [<ffffffc000086cc0>] __switch_to+0x88/0xa0
( M, k% J4 P" _[ 87.236666] [<ffffffc0008f8000>] vgic_ids+0x3b0/0x3e8
; F2 i* k0 h$ H- U/ Z/ n[ 87.242065] [<ffffffc0008de010>] rest_init+0x88/0x98
9 _2 L" z/ Z; }' D[ 87.246844] [<ffffffc000bf4958>] start_kernel+0x38c/0x3a0
+ X3 F6 D' L2 \[ 87.252511] [<00000000008e9000>] 0x8e9000
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