From: John Crispin <john@phrozen.org>
To: Ralf Baechle <ralf@linux-mips.org>
Cc: Mikael Starvik <mikael.starvik@axis.com>,
"linux-mips@linux-mips.org" <linux-mips@linux-mips.org>
Subject: Re: SMP MIPS and Linux 3.2
Date: Tue, 21 Feb 2012 16:33:06 +0100 [thread overview]
Message-ID: <4F43B932.9090103@phrozen.org> (raw)
In-Reply-To: <20120221103455.GA13347@linux-mips.org>
Hi,
i am getting this. looks like ralf is right and the timer irqs get lost.
running with nosmp works like a charm.
John
CPU Clock: 333MHz
Calibrating delay loop... 221.18 BogoMIPS (lpj=442368)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU revision is: 0001954c (MIPS 34Kc)
Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes.
Primary data cache 16kB, 4-way, VIPT, no aliases, linesize 32 bytes
Brought up 2 CPUs
INFO: rcu_sched detected stall on CPU 0 (t=15000 jiffies)
INFO: rcu_sched detected stall on CPU 1 (t=15000 jiffies)
Call Trace:
[<802c310c>] dump_stack+0x8/0x34
[<8007e280>] print_cpu_stall+0x40/0xf0
[<8007e630>] __rcu_pending+0x110/0x270
[<8007fa44>] rcu_check_callbacks+0x78/0x180
[<80035234>] update_process_times+0x40/0x6c
[<80069acc>] tick_handle_periodic+0x38/0x170
[<8000c8f4>] c0_compare_interrupt+0x78/0xbc
[<80077740>] handle_irq_event_percpu+0x78/0x294
[<8007ba08>] handle_percpu_irq+0x8c/0xc0
[<80076dd0>] generic_handle_irq+0x40/0x50
[<80006650>] do_IRQ+0x18/0x28
[<80004aec>] ret_from_irq+0x0/0x4
[<8002e3c0>] __do_softirq+0x84/0x1ac
[<8002e744>] do_softirq+0x78/0x80
[<8002e9f4>] irq_exit+0x80/0x8c
[<80004aec>] ret_from_irq+0x0/0x4
[<80004ce0>] r4k_wait+0x20/0x40
[<800069d8>] cpu_idle+0x7c/0xa4
Call Trace:
[<802c310c>] dump_stack+0x8/0x34
[<8007e280>] print_cpu_stall+0x40/0xf0
[<8007e630>] __rcu_pending+0x110/0x270
[<8007fae4>] rcu_check_callbacks+0x118/0x180
[<80035234>] update_process_times+0x40/0x6c
[<80069acc>] tick_handle_periodic+0x38/0x170
[<8000c8f4>] c0_compare_interrupt+0x78/0xbc
[<80077740>] handle_irq_event_percpu+0x78/0x294
[<8007ba08>] handle_percpu_irq+0x8c/0xc0
[<80076dd0>] generic_handle_irq+0x40/0x50
[<80006650>] do_IRQ+0x18/0x28
[<80004aec>] ret_from_irq+0x0/0x4
[<8006fcf0>] generic_exec_single+0x98/0xfc
[<8006ff3c>] smp_call_function_single+0x1e8/0x1f0
[<800704e0>] smp_call_function+0x28/0x38
[<80070510>] on_each_cpu+0x20/0x64
[<800bbdac>] do_tune_cpucache+0x130/0x238
[<800bc09c>] enable_cpucache+0x60/0xf8
[<800bc4a0>] kmem_cache_create+0x36c/0x554
[<803705e0>] shmem_init+0x60/0xf8
[<80366998>] kernel_init+0x94/0x154
[<80006954>] kernel_thread_helper+0x10/0x18
next prev parent reply other threads:[~2012-02-21 15:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-20 9:34 SMP MIPS and Linux 3.2 Mikael Starvik
2012-02-21 2:11 ` tiejun.chen
2012-05-11 12:28 ` JoeJ
2012-02-21 10:34 ` Ralf Baechle
2012-02-21 15:33 ` John Crispin [this message]
-- strict thread matches above, loose matches on Subject: below --
2012-02-22 10:57 Mikael Starvik
2012-02-23 10:11 ` Deng-Cheng Zhu
2012-02-23 16:25 ` John Crispin
2012-02-24 7:53 ` Gandham, Raghu
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