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: 10+ 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
2012-02-13 8:49 Mikael Starvik
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4F43B932.9090103@phrozen.org \
--to=john@phrozen.org \
--cc=linux-mips@linux-mips.org \
--cc=mikael.starvik@axis.com \
--cc=ralf@linux-mips.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.