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Message-ID: <20081121094543.GP24427@vanheusden.com> Date: Fri, 21 Nov 2008 10:45:53 +0100 From: Folkert van Heusden <folkert@...heusden.com> To: Lai Jiangshan <laijs@...fujitsu.com> Cc: linux-kernel@...r.kernel.org, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> Subject: Re: [2.6.28-rc5] RCU detected CPU 0 stall (t=4294893165/750 jiffies) Hi, I'm afraid there's no script for that: it happens during boot. On Fri, Nov 21, 2008 at 05:30:12PM +0800, Lai Jiangshan wrote: > Hi, Folkert van Heusden, > > Can you tell me how can I reproduce this bug. > > Thanx, Lai > > Folkert van Heusden wrote: > > During the boot-process of a 2.6.28-RC5 kernel I got the followin on > > the console: > > > > - [ 3.479998] RCU detected CPU 0 stall (t=4294893165/750 jiffies) > > ! [ 3.480004] Pid: 1, comm: swapper Not tainted 2.6.28-rc5-custom2 #1 > > ! [ 3.480004] Call Trace: > > ! [ 3.480004] [<c0300c33>] ? printk+0xf/0x14 > > ! [ 3.480004] [<c0166f15>] __rcu_pending+0x53/0x189 > > ! [ 3.480004] [<c0167067>] rcu_pending+0x1c/0x47 > > ! [ 3.480004] [<c0132aa4>] update_process_times+0x2b/0x4e > > ! [ 3.480004] [<c0144c8d>] tick_sched_timer+0x6d/0x9b > > ! [ 3.480004] [<c0144c20>] ? tick_sched_timer+0x0/0x9b > > ! [ 3.480004] [<c013e0cc>] __run_hrtimer+0x60/0x97 > > ! [ 3.480004] [<c013eb35>] hrtimer_interrupt+0xfe/0x166 > > ! [ 3.480004] [<c0112eea>] smp_apic_timer_interrupt+0x6c/0x7f > > ! [ 3.480004] [<c0104829>] apic_timer_interrupt+0x2d/0x34 > > ! [ 3.480004] [<c043c454>] ? inflate_codes+0x272/0x3bc > > ! [ 3.480004] [<c043cf22>] inflate_dynamic+0x4c0/0x4f0 > > ! [ 3.480004] [<c043d775>] unpack_to_rootfs+0x524/0x975 > > ! [ 3.480004] [<c0147eaf>] ? debug_check_no_locks_freed+0x1a/0x123 > > ! [ 3.480004] [<c043e202>] ? populate_rootfs+0x0/0xcd > > ! [ 3.480004] [<c043e202>] ? populate_rootfs+0x0/0xcd > > ! [ 3.480004] [<c043e278>] populate_rootfs+0x76/0xcd > > ! [ 3.480004] [<c0101130>] _stext+0x48/0x11e > > ! [ 3.480004] [<c0206830>] ? ida_get_new_above+0x157/0x171 > > ! [ 3.480004] [<c0218a08>] ? _raw_spin_lock+0x53/0xfa > > ! [ 3.480004] [<c02189b1>] ? _raw_spin_unlock+0x74/0x78 > > ! [ 3.480004] [<c0303759>] ? _spin_unlock+0x1d/0x20 > > ! [ 3.480004] [<c01c1ab1>] ? proc_register+0x146/0x157 > > ! [ 3.480004] [<c01c1bda>] ? create_proc_entry+0x7b/0x91 > > ! [ 3.480004] [<c0166600>] ? register_irq_proc+0x7b/0x9b > > ! [ 3.480004] [<c0166666>] ? init_irq_proc+0x46/0x59 > > ! [ 3.480004] [<c04392ee>] kernel_init+0x102/0x150 > > ! [ 3.480004] [<c04391ec>] ? kernel_init+0x0/0x150 > > ! [ 3.480004] [<c0104987>] kernel_thread_helper+0x7/0x10 > > + [ 4.773412] Freeing initrd memory: 53252k freed > > > > This is a P4 with hyperthreading. 0.5GB ram. IDE disk. > > > > > > Folkert van Heusden > > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ Folkert van Heusden -- Looking for a cheap but fast webhoster with an excellent helpdesk? http://keetweej.vanheusden.com/redir.php?id=1001 ---------------------------------------------------------------------- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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