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4ff61c8f7b
On an SMP system, the following message is printed. The patch below gets fixes the problem. ================================= [ INFO: inconsistent lock state ] 2.6.29-Linus-05093-gc31f403 #57 --------------------------------- inconsistent {hardirq-on-W} -> {in-hardirq-W} usage. bash/4105 [HC1[1]:SC0[0]:HE0:SE1] takes: (&kaweth->device_lock){+...}, at: [<ffffffffa01aa286>] kaweth_usb_receive+0x77/0x1af [kaw eth] {hardirq-on-W} state was registered at: [<ffffffff80260503>] __lock_acquire+0x753/0x1685 [<ffffffff8026148a>] lock_acquire+0x55/0x71 [<ffffffff80461ba6>] _spin_lock+0x31/0x3d [<ffffffffa01aaa0c>] kaweth_start_xmit+0x2b/0x1e1 [kaweth] [<ffffffff803eccd3>] dev_hard_start_xmit+0x22e/0x2ad [<ffffffff803fe120>] __qdisc_run+0xf2/0x203 [<ffffffff803ed0cd>] dev_queue_xmit+0x263/0x39b [<ffffffffa03a47cb>] packet_sendmsg_spkt+0x1c4/0x20a [af_packet] [<ffffffff803de0c2>] sock_sendmsg+0xe4/0xfd [<ffffffff803dec8f>] sys_sendto+0xe4/0x10c [<ffffffff8020bccb>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff irq event stamp: 1280 hardirqs last enabled at (1279): [<ffffffff80461a71>] _spin_unlock_irqrestore+0x44/0x4c hardirqs last disabled at (1280): [<ffffffff8020bad7>] save_args+0x67/0x70 softirqs last enabled at (660): [<ffffffff8024192c>] __do_softirq+0x14d/0x15d softirqs last disabled at (651): [<ffffffff8020ce9c>] call_softirq+0x1c/0x28 Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| .. | ||
| asix.c | ||
| catc.c | ||
| cdc_ether.c | ||
| cdc_subset.c | ||
| dm9601.c | ||
| gl620a.c | ||
| hso.c | ||
| kaweth.c | ||
| Kconfig | ||
| Makefile | ||
| mcs7830.c | ||
| net1080.c | ||
| pegasus.c | ||
| pegasus.h | ||
| plusb.c | ||
| rndis_host.c | ||
| rtl8150.c | ||
| smsc95xx.c | ||
| smsc95xx.h | ||
| usbnet.c | ||
| zaurus.c | ||