linux-kernel - [2.6.28-rc5] RCU detected CPU 0 stall (t=4294893165/750 jiffies)

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Date:	Wed, 19 Nov 2008 13:37:17 +0100
From:	Folkert van Heusden <folkert@...heusden.com>
To:	linux-kernel@...r.kernel.org
Subject: [2.6.28-rc5] RCU detected CPU 0 stall (t=4294893165/750 jiffies)

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

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