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Date: Fri, 10 Oct 2008 17:31:43 -0400
From: Chris Snook <csnook@...hat.com>
To: Andrew Morton <akpm@...ux-foundation.org>, jie.yang@...eros.com
CC: atl1-devel@...ts.sourceforge.net, netdev@...r.kernel.org,
nm127@...email.hu, bugme-daemon@...zilla.kernel.org
Subject: Re: [atl1-devel] [Bugme-new] [Bug 11736] New: atl1e: INFO: inconsistent
lock state
Copying Jie Yang, the atl1e author, as I'm not certain he's on atl1-devel.
Jie --
What do you make of this?
-- Chris
Andrew Morton wrote:
> (switched to email. Please respond via emailed reply-to-all, not via the
> bugzilla web interface).
>
> On Fri, 10 Oct 2008 14:14:12 -0700 (PDT)
> bugme-daemon@...zilla.kernel.org wrote:
>
>> http://bugzilla.kernel.org/show_bug.cgi?id=11736
>>
>> Summary: atl1e: INFO: inconsistent lock state
>> Product: Drivers
>> Version: 2.5
>> KernelVersion: 2.6.27
>> Platform: All
>> OS/Version: Linux
>> Tree: Mainline
>> Status: NEW
>> Severity: normal
>> Priority: P1
>> Component: Network
>> AssignedTo: jgarzik@...ox.com
>> ReportedBy: nm127@...email.hu
>>
>>
>> Latest working kernel version:
>> Earliest failing kernel version:
>> Distribution: Debian
>> Hardware Environment: eeePC 901
>> Software Environment:
>> Problem Description:
>> At boot the following message appears in the dmesg:
>>
>> [ 10.926640] ATL1E 0000:04:00.0: PCI INT A -> Link[LNKB] -> GSI 5 (level,
>> low) -> IRQ 5
>> [ 10.941823] ATL1E 0000:04:00.0: setting latency timer to 64
>> [ 42.441150]
>> [ 42.441156] =================================
>> [ 42.450029] [ INFO: inconsistent lock state ]
>> [ 42.450029] 2.6.27 #1
>> [ 42.450029] ---------------------------------
>> [ 42.450029] inconsistent {hardirq-on-W} -> {in-hardirq-W} usage.
>> [ 42.450029] ifconfig/1315 [HC1[1]:SC0[0]:HE0:SE1] takes:
>> [ 42.450029] (&adapter->mdio_lock){+-..}, at: [<f89e4499>]
>> atl1e_intr+0x2a9/0x440 [atl1e]
>> [ 42.450029] {hardirq-on-W} state was registered at:
>> [ 42.450029] [<c0139364>] mark_lock+0xf4/0x830
>> [ 42.450029] [<c013a459>] __lock_acquire+0x2e9/0x1380
>> [ 42.450029] [<c02a2bbf>] pci_conf1_read+0xaf/0xf0
>> [ 42.450029] [<c0139cc9>] debug_check_no_locks_freed+0x79/0x130
>> [ 42.450029] [<c0139c24>] trace_hardirqs_on_caller+0xa4/0xc0
>> [ 42.450029] [<c013b54d>] lock_acquire+0x5d/0x80
>> [ 42.450029] [<f89e831b>] atl1e_probe+0x48b/0x6d0 [atl1e]
>> [ 42.450029] [<c0305e60>] _spin_lock+0x30/0x40
>> [ 42.450029] [<f89e831b>] atl1e_probe+0x48b/0x6d0 [atl1e]
>> [ 42.450029] [<f89e831b>] atl1e_probe+0x48b/0x6d0 [atl1e]
>> [ 42.450029] [<c01ef988>] pci_match_device+0xa8/0xc0
>> [ 42.450029] [<c01efd26>] pci_device_probe+0x56/0x80
>> [ 42.450029] [<c025a375>] driver_probe_device+0x75/0x150
>> [ 42.450029] [<c0139c24>] trace_hardirqs_on_caller+0xa4/0xc0
>> [ 42.450029] [<c025a4c2>] __driver_attach+0x72/0x80
>> [ 42.450029] [<c0259a3c>] bus_for_each_dev+0x3c/0x60
>> [ 42.450029] [<c025a1e6>] driver_attach+0x16/0x20
>> [ 42.450029] [<c025a450>] __driver_attach+0x0/0x80
>> [ 42.450029] [<c0259e92>] bus_add_driver+0xb2/0x230
>> [ 42.450029] [<c01ef820>] pci_device_shutdown+0x0/0x20
>> [ 42.450029] [<c01efc70>] pci_device_remove+0x0/0x40
>> [ 42.450029] [<c025a64d>] driver_register+0x4d/0x120
>> [ 42.450029] [<c01ea6a2>] __spin_lock_init+0x32/0x70
>> [ 42.450029] [<f8860000>] snd_mixer_oss_conv+0x0/0x50 [snd_mixer_oss]
>> [ 42.450029] [<c01eff88>] __pci_register_driver+0x58/0xa0
>> [ 42.450029] [<f8860000>] snd_mixer_oss_conv+0x0/0x50 [snd_mixer_oss]
>> [ 42.450029] [<c0101122>] do_one_initcall+0x32/0x160
>> [ 42.450029] [<c0145530>] disable_irq+0x0/0x30
>> [ 42.450029] [<c0304ac5>] __mutex_unlock_slowpath+0x95/0xe0
>> [ 42.450029] [<c0143429>] sys_init_module+0x89/0x1b0
>> [ 42.450029] [<c0139c24>] trace_hardirqs_on_caller+0xa4/0xc0
>> [ 42.450029] [<c01de344>] trace_hardirqs_on_thunk+0xc/0x10
>> [ 42.450029] [<c01030d6>] syscall_call+0x7/0xb
>> [ 42.450029] [<ffffffff>] 0xffffffff
>> [ 42.450029] irq event stamp: 4564
>> [ 42.450029] hardirqs last enabled at (4563): [<c01652b5>]
>> kmem_cache_free+0x65/0x90
>> [ 42.450029] hardirqs last disabled at (4564): [<c01de354>]
>> trace_hardirqs_off_thunk+0xc/0x18
>> [ 42.450029] softirqs last enabled at (4532): [<c02b1d1c>]
>> dev_change_flags+0x5c/0x1a0
>> [ 42.450029] softirqs last disabled at (4530): [<c0305e7b>]
>> _spin_lock_bh+0xb/0x40
>> [ 42.450029]
>> [ 42.450029] other info that might help us debug this:
>> [ 42.450029] 1 lock held by ifconfig/1315:
>> [ 42.450029] #0: (rtnl_mutex){--..}, at: [<c02ed5c1>]
>> devinet_ioctl+0xf1/0x670
>> [ 42.450029]
>> [ 42.450029] stack backtrace:
>> [ 42.450029] Pid: 1315, comm: ifconfig Not tainted 2.6.27 #1
>> [ 42.450029] [<c0138944>] print_usage_bug+0x174/0x190
>> [ 42.450029] [<c01399c5>] mark_lock+0x755/0x830
>> [ 42.450029] [<c013ac85>] __lock_acquire+0xb15/0x1380
>> [ 42.450029] [<c013a5be>] __lock_acquire+0x44e/0x1380
>> [ 42.450029] [<c013a5be>] __lock_acquire+0x44e/0x1380
>> [ 42.450029] [<c013b54d>] lock_acquire+0x5d/0x80
>> [ 42.450029] [<f89e4499>] atl1e_intr+0x2a9/0x440 [atl1e]
>> [ 42.450029] [<c0305e60>] _spin_lock+0x30/0x40
>> [ 42.450029] [<f89e4499>] atl1e_intr+0x2a9/0x440 [atl1e]
>> [ 42.450029] [<f89e4499>] atl1e_intr+0x2a9/0x440 [atl1e]
>> [ 42.450029] [<c0306246>] _spin_lock_irqsave+0x46/0x60
>> [ 42.450029] [<c0144fa0>] handle_IRQ_event+0x20/0x60
>> [ 42.450029] [<c01467fd>] handle_level_irq+0x6d/0xe0
>> [ 42.450029] [<c0104f63>] do_IRQ+0x53/0xa0
>> [ 42.450029] [<c0103280>] common_interrupt+0x28/0x30
>> [ 42.450029] [<f89e53c4>] atl1e_up+0x424/0x4a0 [atl1e]
>> [ 42.450029] [<f89e41f0>] atl1e_intr+0x0/0x440 [atl1e]
>> [ 42.450029] [<c0145985>] request_irq+0xa5/0xc0
>> [ 42.450029] [<f89e5c5d>] atl1e_open+0xdd/0x390 [atl1e]
>> [ 42.450029] [<c02b3b44>] dev_open+0x54/0xb0
>> [ 42.450029] [<c02b1d1c>] dev_change_flags+0x5c/0x1a0
>> [ 42.450029] [<c011f82b>] local_bh_enable_ip+0x6b/0xb0
>> [ 42.450029] [<c02b1d3e>] dev_change_flags+0x7e/0x1a0
>> [ 42.450029] [<c02ed9de>] devinet_ioctl+0x50e/0x670
>> [ 42.450029] [<c02a4f5f>] sock_ioctl+0xcf/0x250
>> [ 42.450029] [<c02a4e90>] sock_ioctl+0x0/0x250
>> [ 42.450029] [<c017448f>] vfs_ioctl+0x1f/0x70
>> [ 42.450029] [<c0110eb3>] do_page_fault+0xf3/0x680
>> [ 42.450029] [<c017453c>] do_vfs_ioctl+0x5c/0x260
>> [ 42.450029] [<c017477d>] sys_ioctl+0x3d/0x70
>> [ 42.450029] [<c01030d6>] syscall_call+0x7/0xb
>> [ 42.450029] =======================
>> [ 42.916493] ATL1E 0000:04:00.0: ATL1E: eth0 NIC Link is Up<100 Mbps Full
>> Duplex>
>>
>> Steps to reproduce: boot the system
>>
>
>
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