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Subjectieee802154: WARNING: at mm/page_alloc.c:2095
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Hi all,

I got the following warning when trying out ieee802154:

[ 157.736372] WARNING: at mm/page_alloc.c:2095 __alloc_pages_nodemask+0x177/0x722()
[ 157.737707] Pid: 9100, comm: trinity Not tainted 3.2.0-rc2-sasha-00280-g45a222d #22
[ 157.739114] Call Trace:
[ 157.739559] [<ffffffff810fcd7f>] ? __alloc_pages_nodemask+0x177/0x722
[ 157.740746] [<ffffffff81086984>] warn_slowpath_common+0x7b/0x93
[ 157.741824] [<ffffffff81086a47>] warn_slowpath_null+0x15/0x17
[ 157.743283] [<ffffffff810fcd7f>] __alloc_pages_nodemask+0x177/0x722
[ 157.744434] [<ffffffff8112f8a3>] ? __slab_alloc.clone.46+0x42d/0x456
[ 157.745598] [<ffffffff810b1d97>] ? trace_hardirqs_on_caller+0x151/0x197
[ 157.747204] [<ffffffff8112f8ab>] ? __slab_alloc.clone.46+0x435/0x456
[ 157.748375] [<ffffffff810a4875>] ? sched_clock_local+0x12/0x75
[ 157.749475] [<ffffffff81b96dd6>] ? __alloc_skb+0x42/0x14a
[ 157.750682] [<ffffffff810b2c3a>] ? lock_is_held+0x92/0x9d
[ 157.751693] [<ffffffff8112d399>] kmalloc_large_node+0x51/0x83
[ 157.752757] [<ffffffff81131ada>] __kmalloc_node_track_caller+0x29/0x127
[ 157.753955] [<ffffffff81b9449e>] ? sock_alloc_send_pskb+0xbd/0x2d7
[ 157.755084] [<ffffffff81b96e0a>] __alloc_skb+0x76/0x14a
[ 157.756055] [<ffffffff81b9449e>] sock_alloc_send_pskb+0xbd/0x2d7
[ 157.757155] [<ffffffff81b9e6ed>] ? rcu_read_unlock+0x21/0x23
[ 157.758206] [<ffffffff81b946c8>] sock_alloc_send_skb+0x10/0x12
[ 157.759292] [<ffffffff81e18f4c>] dgram_sendmsg+0xa8/0x22c
[ 157.760292] [<ffffffff81e182af>] ieee802154_sock_sendmsg+0xf/0x11
[ 157.761376] [<ffffffff81b8fc6f>] __sock_sendmsg+0x65/0x72
[ 157.762388] [<ffffffff81b908bb>] sock_sendmsg+0xa3/0xbc
[ 157.763351] [<ffffffff810a4875>] ? sched_clock_local+0x12/0x75
[ 157.764420] [<ffffffff8107ecfc>] ? get_parent_ip+0x11/0x41
[ 157.765428] [<ffffffff8107ecfc>] ? get_parent_ip+0x11/0x41
[ 157.766439] [<ffffffff810b2c3a>] ? lock_is_held+0x92/0x9d
[ 157.767440] [<ffffffff81141631>] ? fget_light+0x35/0x9e
[ 157.768409] [<ffffffff810a355f>] ? up_read+0x1e/0x35
[ 157.769336] [<ffffffff81b90479>] ? sockfd_lookup_light+0x1b/0x53
[ 157.770434] [<ffffffff81b91b1d>] sys_sendto+0x12d/0x16f
[ 157.771396] [<ffffffff810b1e8f>] ? trace_hardirqs_off_caller+0xa3/0x10b
[ 157.772594] [<ffffffff81e6fd1d>] ? retint_swapgs+0x13/0x1b
[ 157.773599] [<ffffffff810b1d97>] ? trace_hardirqs_on_caller+0x151/0x197
[ 157.774826] [<ffffffff8161620e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 157.775989] [<ffffffff81e705d2>] system_call_fastpath+0x16/0x1b

Please let me know if theres anything I can help with debugging it.

--

Sasha.




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