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SubjectRe: [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.53-01, High Resolution Timers & RCU-tasklist features
Date
On Friday 12 August 2005 21:27, Guillaume Foliard wrote:
> On Friday 12 August 2005 14:53, Ingo Molnar wrote:
> > On Thu, 11 Aug 2005, Guillaume Foliard wrote:
> > > Hi,
> > >
> > > Here is the compilation error I had with 0.7.53-02 :
> >
> > thanks - i've uploaded the -53-05 patch which should fix this - does it
> > build/work for you now?
>
> I've tried -53-07. Build is ok. Kernel has booted and is running.

I'm running dmesg from times to times and just catched this one :

BUG: kblockd/0/84: leaked RT prio 98 (110)?
[<c0139e02>] up_mutex+0xd1/0x11e (8)
[<c014b0a1>] kmem_cache_alloc+0x5d/0xe1 (32)
[<c02efd97>] __scsi_get_command+0x23/0x66 (32)
[<c02efe0f>] scsi_get_command+0x35/0x9e (28)
[<c02f5a97>] scsi_prep_fn+0x120/0x220 (28)
[<c02a35f8>] elv_next_request+0x5c/0x1bd (36)
[<c029e7ff>] get_device+0x1b/0x24 (12)
[<c02f5c8b>] scsi_request_fn+0x4b/0x3a0 (16)
[<c02ac92f>] as_work_handler+0x2b/0x3d (40)
[<c013093d>] worker_thread+0x193/0x259 (16)
[<c02ac904>] as_work_handler+0x0/0x3d (32)
[<c011b8e2>] default_wake_function+0x0/0x22 (32)
[<c01307aa>] worker_thread+0x0/0x259 (32)
[<c0135b73>] kthread+0x98/0x9c (4)
[<c0135adb>] kthread+0x0/0x9c (24)
[<c0101011>] kernel_thread_helper+0x5/0xb (16)
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<c0139d4e>] .... up_mutex+0x1d/0x11e
.....[<00000000>] .. ( <= _stext+0x3feffde0/0x47)


Also, during boot this one occured :

WARNING: swapper/1 changed soft IRQ-flags.
[<c032ce28>] rh_call_control+0xd9/0x3f2 (8)
[<c013a82b>] sub_preempt_count+0x18/0x1c (20)
[<c0139da4>] up_mutex+0x73/0x11e (28)
[<c032df0b>] hcd_submit_urb+0x1e1/0x22e (32)
[<c032ee5a>] usb_start_wait_urb+0x69/0x10c (44)
[<c013a82b>] sub_preempt_count+0x18/0x1c (64)
[<c013934d>] __init_rt_mutex+0x37/0x56 (12)
[<c013a440>] _spin_lock_init+0x30/0x3c (16)
[<c032ef8c>] usb_internal_control_msg+0x8f/0x9b (28)
[<c032f02c>] usb_control_msg+0x94/0xa8 (28)
[<c032f8ed>] usb_get_descriptor+0x94/0xc8 (56)
[<c014b001>] cache_flusharray+0x6a/0xad (40)
[<c032fd2a>] usb_get_device_descriptor+0x62/0x8e (32)
[<c032abda>] usb_set_device_state+0x18/0x54 (24)
[<c032d860>] register_root_hub+0x6e/0x148 (20)
[<c032e69c>] usb_add_hcd+0x1ef/0x3aa (40)
[<c0332c9d>] usb_hcd_pci_probe+0x1cd/0x2f9 (56)
[<c02445de>] pci_match_device+0x1e/0xc8 (20)
[<c02446cc>] __pci_device_probe+0x44/0x4f (28)
[<c0244700>] pci_device_probe+0x29/0x3f (20)
[<c029fa56>] driver_probe_device+0x3d/0xa7 (20)
[<c048c86f>] klist_dec_and_del+0x1a/0x1e (12)
[<c029fb34>] __driver_attach+0x0/0x4e (16)
[<c029fb73>] __driver_attach+0x3f/0x4e (4)
[<c029f17c>] bus_for_each_dev+0x5b/0x7b (20)
[<c029fba8>] driver_attach+0x26/0x2a (44)
[<c029fb34>] __driver_attach+0x0/0x4e (16)
[<c029f61a>] bus_add_driver+0x6e/0xce (4)
[<c0244932>] pci_register_driver+0x89/0xab (32)
[<c0617b70>] init+0x1d/0x25 (24)
[<c05fe83d>] do_initcalls+0x54/0xce (8)
[<c01002a2>] init+0x0/0x1ae (16)
[<c01002d5>] init+0x33/0x1ae (16)
[<c010100c>] kernel_thread_helper+0x0/0xb (12)
[<c0101011>] kernel_thread_helper+0x5/0xb (4)
---------------------------
| preempt count: 00000000 ]
| 0-level deep critical section nesting:
----------------------------------------



Guillaume

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