有一份SDK,之前跑在PPC405EX上没问题。最近换平台,CPU使用了PowerPC的P1020,双核。 linux版本也升级到了3.0.48版本。升级之后出现了一个问题:SDK里面的程序跑一段时间之后会报告: INFO: rcu_sched_state detected stalls on CPUs/tasks: { 1} (detected by 0, t=15002 jiffies)。意思是CORE0检测到CORE1挂...
2015-08-24 19:16 −第一个数据结构体是 task_struct ,这个数据结构被内核用来表示进程,包含其所有信息。 定义于文件 include/linux/sched.h 中,先看看其完整定义 1 struct task_struct { 2 volatile long state; /... cascle 0 3419 RCU原理分析 ...
i.mx6d的机器小概率出现rcu_bh_state detected stall on CPU 1 (t=0 jiffies)这个错误,然后重启。出现机率很小,可能一两个月也不出现,但是偶尔会出现。 机器配置如下: SOC:i.mx6d, android4.4.2, k3.0.35 CONFIG_RCU_CPU_STALL_TIMEOUT=60 我看了RCU的代码感觉出现rcu_bh_state detected stall ...
Hi, freescale android kernel have scheduling problem .It will random crash( rcu_sched_state detected stall on CPU ) Similar problems:
Drawer DXMississippi State, MS 39762www.rcu.msstate.edu/curriculum/download/(662) 325-2510Direct inquiries toDoug FergusonAndy SimsInstructional Design SpecialistProgram CoordinatorP.O. Drawer DXOffice of Vocational Education and Workforce Mississippi State, MS 39762Development(662) 325-2510Mississippi ...
BPZ:RCU15 RCU15 - Universal- Raumthermostat für 4-Rohr-Systeme, AC 24 V, Stellsignal 2-Punkt oder PWM Preise anzeigen Seite1von 1 Seiten||1|| Alles zu RCU.. Universal - Elektronische Raumthermostate für universelle Heiz- und Kühlsysteme ...
RCU15 - Universal- Raumthermostat für 4-Rohr-Systeme, AC 24 V, Stellsignal 2-Punkt oder PWM Preise anzeigen 1 Stück Seite 1 von 1 Seiten | | 1 | | Technische Auswahlhilfe Betriebsspannung Leistungsaufnahme Filter entfernen Alles zu RCU.. Universal - Elektronische Raumthermostate f...
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INFO: rcu_sched_state detected stalls on CPUs/tasks: { 1} (detected by 0, t=15002 jiffies)。意思是CORE0检测到CORE1挂了。 SDK里面使用了lock_kernel和unlock_kernel这一对大内核锁。由于3.0内核中不再存在上述锁。所以用 spinlock来替代。不知道上面的问题是否和这个改动有关?如果是的话,对于多核系统...
Searching performed during a scan pass includes identifying quiescent state tickless user mode tasks that have been running continuously in user mode on tickless CPUs that have not received a scheduling clock interrupt since commencement of the TASKS_RCU grace period. If the runnable task list is ...