Hi Jiri Commit 2353f2bea307390e015493118e425152b8a5a431 HID: protect hid_debug_list causes the below BUG due to mutex_lock being called in atomic context - does this need to be converted to a spin lock?
[ 5636.125330] BUG: sleeping function called from invalid context at kernel/mutex.c:95 [ 5636.125331] in_atomic(): 1, irqs_disabled(): 1, pid: 5489, name: pm-suspend [ 5636.125333] CPU: 3 PID: 5489 Comm: pm-suspend Not tainted 3.9.0+ #13 [ 5636.125333] Hardware name: Apple Inc. iMac12,1/Mac-942B5BF58194151B, BIOS IM121.88Z.0047.B1F.1201241648 01/24/12 [ 5636.125336] ffff880843d96000 ffff88083ead1b88 ffffffff8150579f ffff88083ead1b98 [ 5636.125338] ffffffff8107b600 ffff88083ead1bb8 ffffffff81507cfb ffff880843dc1400 [ 5636.125339] ffff880843d96000 ffff88083ead1c00 ffffffff813c4352 ffff880843d97e08 [ 5636.125340] Call Trace: [ 5636.125345] [<ffffffff8150579f>] dump_stack+0x19/0x1b [ 5636.125349] [<ffffffff8107b600>] __might_sleep+0xe0/0x100 [ 5636.125351] [<ffffffff81507cfb>] mutex_lock+0x2b/0x50 [ 5636.125354] [<ffffffff813c4352>] hid_debug_event+0x32/0x100 [ 5636.125356] [<ffffffff813c4807>] hid_dump_input+0x67/0xa0 [ 5636.125358] [<ffffffff813c6d10>] hid_set_field+0x50/0x120 [ 5636.125361] [<ffffffff813d48ca>] usb_hidinput_input_event+0x9a/0x120 [ 5636.125363] [<ffffffff813942f3>] input_dev_toggle+0x83/0x170 [ 5636.125365] [<ffffffff8139672b>] input_reset_device+0x4b/0x80 [ 5636.125367] [<ffffffff81396760>] ? input_reset_device+0x80/0x80 [ 5636.125368] [<ffffffff81396775>] input_dev_resume+0x15/0x20 [ 5636.125372] [<ffffffff81331168>] dpm_run_callback+0x58/0x90 [ 5636.125374] [<ffffffff81331a2c>] device_resume+0xac/0x1a0 [ 5636.125376] [<ffffffff813327c4>] dpm_resume+0x114/0x230 [ 5636.125378] [<ffffffff81332b01>] dpm_resume_end+0x11/0x20 [ 5636.125381] [<ffffffff81095d74>] suspend_devices_and_enter+0x144/0x490 [ 5636.125383] [<ffffffff8109625a>] pm_suspend+0x19a/0x230 [ 5636.125385] [<ffffffff81094eb7>] state_store+0x87/0xf0 [ 5636.125388] [<ffffffff812584ff>] kobj_attr_store+0xf/0x20 [ 5636.125391] [<ffffffff811e86bd>] sysfs_write_file+0xed/0x160 [ 5636.125394] [<ffffffff81175e25>] vfs_write+0xc5/0x1f0 [ 5636.125395] [<ffffffff81176312>] SyS_write+0x52/0xa0 [ 5636.125397] [<ffffffff81512e01>] tracesys+0xd4/0xd9 Parag -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
