On Wed, Jun 2, 2010 at 2:29 AM, Fabio Rossi <rossi.f@xxxxxxxxx> wrote: > Compiling the kernel without ACPI (CONFIG_ACPI=n) gives the following warning: > > cfg80211: Calling CRDA to update world regulatory domain > cfg80211: World regulatory domain updated: > (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) > (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) > ath5k 0000:08:01.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 > ath5k 0000:08:01.0: registered as 'phy0' > ath5k phy0: request_irq failed > ------------[ cut here ]------------ Since traces are printed reversed you will have to read my logic from bottom to top: Seems we need to implement the dev_release() op for the class of our devices. > WARNING: at drivers/base/core.c:130 device_release+0x82/0x90() > Hardware name: System Product Name > Device 'phy0' does not have a release() function, it is broken and must be > fixed. > Modules linked in: ath5k(+) mac80211 ath cfg80211 vmnet vsock vmci vmmon > gspca_zc3xx gspca_main [last unloaded: cfg80211] > Pid: 8607, comm: modprobe Tainted: G W 2.6.35-rc1-wl #50 > Call Trace: > [<ffffffff8103917a>] warn_slowpath_common+0x7a/0xb0 > [<ffffffff81039251>] warn_slowpath_fmt+0x41/0x50 > [<ffffffff8138c4a2>] device_release+0x82/0x90 > [<ffffffff81225fc7>] kobject_release+0x47/0x90 > [<ffffffff81225f80>] ? kobject_release+0x0/0x90 > [<ffffffff81227187>] kref_put+0x37/0x70 > [<ffffffff81225e87>] kobject_put+0x27/0x60 > [<ffffffff8138be22>] put_device+0x12/0x20 Here is cfg80211's cleanup. > [<ffffffffa00eb790>] wiphy_free+0x10/0x20 [cfg80211] And something on probe failed, which triggered it to bail out and free the struct. > [<ffffffffa011102d>] ieee80211_free_hw+0xd/0x10 [mac80211] OK so the device was probed. > [<ffffffffa016f891>] ath5k_pci_probe+0x16da/0x1710 [ath5k] > [<ffffffff811089da>] ? __sysfs_add_one+0x2a/0xe0 > [<ffffffff81108b07>] ? sysfs_add_one+0x27/0xd0 > [<ffffffff8123e322>] local_pci_probe+0x12/0x20 > [<ffffffff8123e5d0>] pci_device_probe+0x80/0xb0 > [<ffffffff8138f98a>] ? driver_sysfs_add+0x5a/0x90 > [<ffffffff8138facd>] driver_probe_device+0x8d/0x1a0 > [<ffffffff8138fc73>] __driver_attach+0x93/0xa0 > [<ffffffff8138fbe0>] ? __driver_attach+0x0/0xa0 > [<ffffffff8138f1e8>] bus_for_each_dev+0x68/0x90 > [<ffffffff8138f929>] driver_attach+0x19/0x20 > [<ffffffff8138e9a8>] bus_add_driver+0xb8/0x260 > [<ffffffff8138ff68>] driver_register+0x78/0x140 > [<ffffffff8123e841>] __pci_register_driver+0x51/0xd0 > [<ffffffff811f2996>] ? debugfs_create_dir+0x16/0x20 > [<ffffffffa0180000>] ? init_ath5k_pci+0x0/0x43 [ath5k] > [<ffffffffa0180028>] init_ath5k_pci+0x28/0x43 [ath5k] > [<ffffffff810001d7>] do_one_initcall+0x37/0x190 > [<ffffffff81066fc6>] sys_init_module+0xd6/0x250 > [<ffffffff810023ab>] system_call_fastpath+0x16/0x1b > ---[ end trace a6ef611dbd725746 ]--- > ath5k 0000:08:01.0: PCI INT A disabled > ath5k: probe of 0000:08:01.0 failed with error -22 > > It is not possible to use the wireless network. > > Fabio > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
