Messages in this thread | | | Date | Fri, 19 Jun 2009 07:17:16 +0000 | From | Jarek Poplawski <> | Subject | Re: BUG: sleeping function called from invalid context at kernel/mutex.c:280 |
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On 19-06-2009 04:36, Dave Young wrote: > Hi, > > with kernel 2.6.30-06692-g3fe0344, pppoe link, start firefox, then got > the messages from syslog:
Hi,
probably you should say something about a char/serial driver used here.
Jarek P. > > Jun 19 10:14:07 darkstar kernel: [ 189.313972] BUG: sleeping function > called from invalid context at kernel/mutex.c:280 > Jun 19 10:14:07 darkstar kernel: [ 189.313976] in_atomic(): 1, > irqs_disabled(): 0, pid: 2100, name: firefox-bin > Jun 19 10:14:07 darkstar kernel: [ 189.313980] 6 locks held by > firefox-bin/2100: > Jun 19 10:14:07 darkstar kernel: [ 189.313981] #0: > (sk_lock-AF_INET){+.+.+.}, at: [<c12ed864>] lock_sock+0xa/0xc > Jun 19 10:14:07 darkstar kernel: [ 189.313991] #1: > (rcu_read_lock){.+.+..}, at: [<c12c002e>] dev_queue_xmit+0xd8/0x29c > Jun 19 10:14:07 darkstar kernel: [ 189.314000] #2: > (_xmit_PPP#2){+.-...}, at: [<c12cbee2>] __netif_tx_lock+0x11/0x18 > Jun 19 10:14:07 darkstar kernel: [ 189.314008] #3: > (&ppp->wlock){+.-...}, at: [<c12224a8>] ppp_xmit_process+0x19/0x449 > Jun 19 10:14:07 darkstar kernel: [ 189.314015] #4: > (&pch->downl){+.-...}, at: [<c1221cf2>] ppp_push+0x63/0x4d2 > Jun 19 10:14:07 darkstar kernel: [ 189.314021] #5: > (&ap->xmit_lock){+.-...}, at: [<c1224ef0>] ppp_async_push+0x2f/0x3d0 > Jun 19 10:14:07 darkstar kernel: [ 189.314029] Pid: 2100, comm: > firefox-bin Not tainted 2.6.30-06692-g3fe0344-dirty #77 > Jun 19 10:14:07 darkstar kernel: [ 189.314031] Call Trace: > Jun 19 10:14:07 darkstar kernel: [ 189.314036] [<c102315e>] > __might_sleep+0xe1/0xe6 > Jun 19 10:14:07 darkstar kernel: [ 189.314041] [<c1335dfd>] > mutex_lock_nested+0x18/0x36 > Jun 19 10:14:07 darkstar kernel: [ 189.314046] [<c118d82f>] > tty_throttle+0x10/0x38 > Jun 19 10:14:07 darkstar kernel: [ 189.314050] [<c118cc1c>] > n_tty_receive_buf+0xf6e/0xf76 ...
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