Sorry Andrew, I am not sure which maintainer to contact about this. I
CCed gregkh for sysfs and Yi for ipw2200. Hopefully this is helpful.
BTW, I also found that none of my network drivers were recognized by
hal (lshal did not show their "net" entries) unless I set
CONFIG_SYSFS_DEPRECATED=y. I am running Ubuntu development (Feisty
Fawn), so it seems like I ought to be running pretty current hal
utilities: hal-device-manager 0.5.8.1-4ubuntu1. After
reenabling CONFIG_SYSFS_DEPRECATED, I am able to use my IPW2200
driver, in spite of this recursive locking message, so this INFO
message may not indicate a problem.
[ INFO: possible recursive locking detected ]
2.6.20-rc2-mm1 #21
---------------------------------------------
modprobe/1779 is trying to acquire lock:
(&sysfs_inode_imutex_key){--..}, at: [<c02db236>] mutex_lock+0x1c/0x1f
but task is already holding lock:
(&sysfs_inode_imutex_key){--..}, at: [<c02db236>] mutex_lock+0x1c/0x1f
other info that might help us debug this:
3 locks held by modprobe/1779:
#0: (rtnl_mutex){--..}, at: [<c02db236>] mutex_lock+0x1c/0x1f
#1: (&priv->mutex){--..}, at: [<c02db236>] mutex_lock+0x1c/0x1f
#2: (&sysfs_inode_imutex_key){--..}, at: [<c02db236>] mutex_lock+0x1c/0x1f
stack backtrace:
[<c0104eab>] show_trace_log_lvl+0x1a/0x2f
[<c010558b>] show_trace+0x12/0x14
[<c010563d>] dump_stack+0x16/0x18
[<c0132147>] __lock_acquire+0x12e/0xb75
[<c0132bf6>] lock_acquire+0x68/0x82
[<c02db094>] __mutex_lock_slowpath+0xdc/0x262
[<c02db236>] mutex_lock+0x1c/0x1f
[<c019bca3>] sysfs_drop_dentry+0xb7/0x12b
[<c019d331>] sysfs_remove_dir+0x6f/0x10b
[<c01dcf9d>] kobject_del+0xb/0x15
[<c0243701>] device_del+0x1b0/0x1c4
[<c0243720>] device_unregister+0xb/0x15
[<f90dc384>] _request_firmware+0x2e0/0x300 [firmware_class]
[<f90dc43c>] request_firmware+0x12/0x14 [firmware_class]
[<f9212d05>] ipw_load+0x5b/0x1690 [ipw2200]
[<f92143ca>] ipw_up+0x90/0x7d7 [ipw2200]
[<f921b6e1>] ipw_net_init+0x1f/0x3e [ipw2200]
[<c028b612>] register_netdevice+0xa9/0x2e5
[<c028c9b3>] register_netdev+0x40/0x4d
[<f921da23>] ipw_pci_probe+0x78b/0x833 [ipw2200]
[<c01f65c9>] pci_device_probe+0x39/0x5b
[<c0245505>] driver_probe_device+0xaa/0x123
[<c0245675>] __driver_attach+0x6a/0xa1
[<c0244b0a>] bus_for_each_dev+0x36/0x5b
[<c024538c>] driver_attach+0x19/0x1b
[<c0244dfa>] bus_add_driver+0x6a/0x170
[<c0245954>] driver_register+0x79/0x7e
[<c01f671e>] __pci_register_driver+0x53/0x80
[<f90d502e>] ipw_init+0x2e/0x73 [ipw2200]
[<c0138cc9>] sys_init_module+0x131a/0x1469
[<c0103ed6>] sysenter_past_esp+0x5f/0x99
PM: Adding info for No Bus:eth1
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