Bug 14224 - qemumips CPU stalling during test
Summary: qemumips CPU stalling during test
Status: RESOLVED DUPLICATE of bug 13992
Alias: None
Product: OE-Core
Classification: Build System, Metadata & Runtime
Component: core (show other bugs)
Version: 3.3
Hardware: x86 mips
: Undecided normal
Target Milestone: ---
Assignee: Unassigned
QA Contact:
URL:
Whiteboard:
Depends on:
Blocks:
 
Reported: 2021-02-05 18:44 UTC by Jon Mason
Modified: 2021-02-11 15:47 UTC (History)
3 users (show)

See Also:
OS type for building Yocto: ---
Type of Regression: ---
Verified:
Documentation change: No (bug/feature does not impact docs)

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Jon Mason 2021-02-05 18:44:22 UTC 
testimage is failing on qemumips due to the system stalling.  From the system log:


[  194.123733] rcu: INFO: rcu_preempt self-detected stall on CPU
[  194.124905] rcu: 	0-...!: (1 ticks this GP) idle=eb2/1/0x40000002 softirq=1624/1624 fqs=0 
[  194.125528] 	(t=2558 jiffies g=2717 q=9)
[  194.125812] rcu: rcu_preempt kthread starved for 2558 jiffies! g2717 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
[  194.126233] rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[  194.126555] rcu: RCU grace-period kthread stack dump:
[  194.126827] task:rcu_preempt     state:I stack:    0 pid:   12 ppid:     2 flags:0x00100000
[  194.127517] Stack : 81510600 807fecd4 81518000 00000000 05400000 81510600 818eddb4 80d1c084
[  194.128085]         81070000 81510600 81510600 ffffead5 00000004 c28d8c67 818e3000 00208040
[  194.128517]         818eddb4 81070000 00000001 810e5f10 00000006 00000005 00000000 80d16e80


See https://autobuilder.yoctoproject.org/typhoon/#/builders/60/builds/3015
Comment 1 Randy MacLeod 2021-02-11 15:47:01 UTC 
Duplicate

*** This bug has been marked as a duplicate of bug 13992 ***