Messages in this thread | | | Subject | Re: 5.6-rc3: WARNING: CPU: 48 PID: 17435 at kernel/sched/fair.c:380 enqueue_task_fair+0x328/0x440 | From | Dietmar Eggemann <> | Date | Thu, 5 Mar 2020 13:12:39 +0100 |
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On 05/03/2020 12:28, Christian Borntraeger wrote: > > On 05.03.20 10:30, Vincent Guittot wrote: >> Le mercredi 04 mars 2020 à 20:59:33 (+0100), Christian Borntraeger a écrit : >>> >>> On 04.03.20 20:38, Christian Borntraeger wrote: >>>> >>>> >>>> On 04.03.20 20:19, Dietmar Eggemann wrote:
[...]
> It seems to speed up the issue when I do a compile job in parallel on the host: > > Do you also need the sysfs tree?
[ 87.932552] CPU23 path=/machine.slice/machine-test.slice/machine-qemu\x2d18\x2dtest10. on_list=1 nr_running=1 throttled=0 p=[CPU 2/KVM 2662] [ 87.932559] CPU23 path=/machine.slice/machine-test.slice/machine-qemu\x2d18\x2dtest10. on_list=0 nr_running=3 throttled=0 p=[CPU 2/KVM 2662] [ 87.932562] CPU23 path=/machine.slice/machine-test.slice on_list=1 nr_running=1 throttled=1 p=[CPU 2/KVM 2662] [ 87.932564] CPU23 path=/machine.slice on_list=1 nr_running=0 throttled=0 p=[CPU 2/KVM 2662] [ 87.932566] CPU23 path=/ on_list=1 nr_running=1 throttled=0 p=[CPU 2/KVM 2662] [ 87.951872] CPU23 path=/ on_list=1 nr_running=2 throttled=0 p=[ksoftirqd/23 126] [ 87.987528] CPU23 path=/user.slice on_list=1 nr_running=2 throttled=0 p=[as 6737] [ 87.987533] CPU23 path=/ on_list=1 nr_running=1 throttled=0 p=[as 6737]
Arrh, looks like 'char path[64]' is too small to hold 'machine.slice/machine-test.slice/machine-qemu\x2d18\x2dtest10.scope/vcpuX' ! ^ But I guess that the 'on_list=0' for 'machine-qemu\x2d18\x2dtest10.scope' could be the missing hint?
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