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SubjectRe: BCM4312 Fails when xdm is started
Date
On Sunday 23 November 2008 12:49:55 Yuval Hager wrote:
> [ 182.891400] ****** b43: B43_MMIO_MACCTL 0x840A0503
> [ 182.891409] ****** b43: SSB_TMSLOW 0x20150000
> [ 258.299027] irq 10: nobody cared (try booting with the "irqpoll" option)


Does the kernel disable the PCI device, if it ignores the IRQ?


> [ 258.299038] Pid: 0, comm: swapper Not tainted 2.6.28-rc5 #15
> [ 258.299043] Call Trace:
> [ 258.299062] [<c0148d9a>] __report_bad_irq+0x24/0x69
> [ 258.299071] [<c0148da1>] __report_bad_irq+0x2b/0x69
> [ 258.299080] [<c0148ec8>] note_interrupt+0xe9/0x12d
> [ 258.299090] [<c014976d>] handle_level_irq+0x87/0xba
> [ 258.299101] [<c010564e>] do_IRQ+0x89/0x9f
> [ 258.299109] [<c0103ea8>] common_interrupt+0x28/0x30
> [ 258.299119] [<c0125406>] do_softirq+0x37/0x4d
> [ 258.299127] [<c0125301>] __do_softirq+0x62/0x130
> [ 258.299135] [<c0125406>] do_softirq+0x37/0x4d
> [ 258.299142] [<c0105653>] do_IRQ+0x8e/0x9f
> [ 258.299150] [<c0103ea8>] common_interrupt+0x28/0x30
> [ 258.299161] [<c0108682>] default_idle+0x2f/0x4c
> [ 258.299168] [<c0101a20>] cpu_idle+0x63/0x77
> [ 258.299173] handlers:
> [ 258.299176] [<f7906455>] (b43_interrupt_handler+0x0/0x1b7 [b43])
> [ 258.299212] Disabling IRQ #10
> [ 258.315148] b43-phy0: Radio hardware status changed to DISABLED
> [ 258.315160] b43-phy0: ******** B43_B43_MMIO_RADIO_HWENABLED_HI 0xFFFFFFFF
> [ 258.342341] kobject: 'rfkill0' (f43b7d78): kobject_uevent_env
> [ 258.342367] kobject: 'rfkill0' (f43b7d78): fill_kobj_path: path = '/class/rfkill/rfkill0'
> [ 258.342418] kobject: 'ssb0:0' (f40dfcd8): fill_kobj_path: path = '/devices/pci0000:00/0000:00:02.0/0000:02:00.0/ssb0:0'
> [ 258.391951]
> [ 258.391956] =================================
> [ 258.391964] [ INFO: inconsistent lock state ]
> [ 258.391971] 2.6.28-rc5 #15
> [ 258.391975] ---------------------------------
> [ 258.391980] inconsistent {in-hardirq-W} -> {hardirq-on-W} usage.
> [ 258.391987] X/3965 [HC0[0]:SC1[1]:HE1:SE0] takes:
> [ 258.391993] (&irq_desc_lock_class){++..}, at: [<c0148c60>] try_one_irq+0x15/0xe8
> [ 258.392016] {in-hardirq-W} state was registered at:
> [ 258.392021] [<c013bc07>] __lock_acquire+0x490/0x6bc
> [ 258.392034] [<c013be8d>] lock_acquire+0x5a/0x74
> [ 258.392043] [<c01496f8>] handle_level_irq+0x12/0xba
> [ 258.392053] [<c03c4842>] _spin_lock+0x1c/0x45
> [ 258.392066] [<c01496f8>] handle_level_irq+0x12/0xba
> [ 258.392076] [<c01496f8>] handle_level_irq+0x12/0xba
> [ 258.392085] [<c010564e>] do_IRQ+0x89/0x9f
> [ 258.392096] [<c0103ea8>] common_interrupt+0x28/0x30
> [ 258.392105] [<c03c4cc2>] _spin_unlock_irqrestore+0x37/0x39
> [ 258.392115] [<c01487e6>] __setup_irq+0x17a/0x1f3
> [ 258.392124] [<c05ce79d>] start_kernel+0x285/0x2f1
> [ 258.392140] [<ffffffff>] 0xffffffff
> [ 258.392159] irq event stamp: 1844456
> [ 258.392164] hardirqs last enabled at (1844456): [<c03c4b6f>] _spin_unlock_irq+0x20/0x23
> [ 258.392175] hardirqs last disabled at (1844455): [<c03c4ac3>] _spin_lock_irq+0xa/0x4b
> [ 258.392186] softirqs last enabled at (1844310): [<c0125406>] do_softirq+0x37/0x4d
> [ 258.392198] softirqs last disabled at (1844447): [<c0125406>] do_softirq+0x37/0x4d


That's a bit weird. Looks like another bug in the IRQ layer.


> [ 258.392208]
> [ 258.392209] other info that might help us debug this:
> [ 258.392215] no locks held by X/3965.
> [ 258.392219]
> [ 258.392220] stack backtrace:
> [ 258.392226] Pid: 3965, comm: X Not tainted 2.6.28-rc5 #15
> [ 258.392231] Call Trace:
> [ 258.392241] [<c0139175>] print_usage_bug+0x13d/0x146
> [ 258.392249] [<c013a2ff>] mark_lock+0x4b1/0x7c7
> [ 258.392257] [<c013bc7e>] __lock_acquire+0x507/0x6bc
> [ 258.392266] [<c013be8d>] lock_acquire+0x5a/0x74
> [ 258.392275] [<c0148c60>] try_one_irq+0x15/0xe8
> [ 258.392283] [<c03c4842>] _spin_lock+0x1c/0x45
> [ 258.392291] [<c0148c60>] try_one_irq+0x15/0xe8
> [ 258.392300] [<c0148c60>] try_one_irq+0x15/0xe8
> [ 258.392308] [<c03c4b6f>] _spin_unlock_irq+0x20/0x23
> [ 258.392317] [<c0148d33>] poll_spurious_irqs+0x0/0x43
> [ 258.392326] [<c0148d55>] poll_spurious_irqs+0x22/0x43
> [ 258.392338] [<c012874a>] run_timer_softirq+0x101/0x156
> [ 258.392346] [<c0125321>] __do_softirq+0x82/0x130
> [ 258.392354] [<c0125406>] do_softirq+0x37/0x4d
> [ 258.392362] [<c0105653>] do_IRQ+0x8e/0x9f
> [ 258.392370] [<c0103ea8>] common_interrupt+0x28/0x30

--
Greetings Michael.


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