Hi, Recently I update my zigbee kernel source tree. I use iz and izcoordinator to test it on imote2. When I run iz assoc, I get a warning message from ieee802154_tx:
------------[ cut here ]------------ WARNING: at net/mac802154/tx.c:76 ieee802154_tx+0x6c/0x1c0 [mac802154]() Modules linked in: cc2420 mac802154 af_802154 ieee802154 [last unloaded: mac802154] [<c0024504>] (unwind_backtrace+0x0/0xdc) from [<c003221c>] (warn_slowpath_common+0x4c/0x80) [<c003221c>] (warn_slowpath_common+0x4c/0x80) from [<bf037204>] (ieee802154_tx+0x6c/0x1c0 [mac802154]) [<bf037204>] (ieee802154_tx+0x6c/0x1c0 [mac802154]) from [<c01896fc>] (dev_hard_start_xmit+0x20c/0x2ec) [<c01896fc>] (dev_hard_start_xmit+0x20c/0x2ec) from [<c01978a0>] (sch_direct_xmit+0x44/0x168) [<c01978a0>] (sch_direct_xmit+0x44/0x168) from [<c0189c40>] (dev_queue_xmit+0x320/0x4a4) [<c0189c40>] (dev_queue_xmit+0x320/0x4a4) from [<bf038a58>] (ieee802154_mlme_assoc_req+0x94/0x9c [mac802154]) [<bf038a58>] (ieee802154_mlme_assoc_req+0x94/0x9c [mac802154]) from [<bf000af4>] (ieee802154_associate_req+0xe8/0x114 [ieee802154]) [<bf000af4>] (ieee802154_associate_req+0xe8/0x114 [ieee802154]) from [<c019b300>] (genl_rcv_msg+0x1b8/0x1ec) [<c019b300>] (genl_rcv_msg+0x1b8/0x1ec) from [<c019a244>] (netlink_rcv_skb+0x4c/0xb0) [<c019a244>] (netlink_rcv_skb+0x4c/0xb0) from [<c019b130>] (genl_rcv+0x24/0x3c) [<c019b130>] (genl_rcv+0x24/0x3c) from [<c0199f14>] (netlink_unicast+0x22c/0x2d0) [<c0199f14>] (netlink_unicast+0x22c/0x2d0) from [<c019a7e4>] (netlink_sendmsg+0x260/0x274) [<c019a7e4>] (netlink_sendmsg+0x260/0x274) from [<c017a7c8>] (sock_sendmsg+0x88/0xa8) [<c017a7c8>] (sock_sendmsg+0x88/0xa8) from [<c017ad5c>] (sys_sendmsg+0x1a8/0x204) [<c017ad5c>] (sys_sendmsg+0x1a8/0x204) from [<c001ff40>] (ret_fast_syscall+0x0/0x28) ---[ end trace 1b75b31a2719ed23 ]--- It come from "WARN_ON(!(priv->phy->channels_supported[page] &(chan)))" Refer to cc2420.c channels-supported[0] equal to 0x7FFF800 and this expression is always true. I comment this statement and everything go well. I write the cc2420 driver according to rf230. I just copy 0x7FFF800 and still don't know whys. Can any one help me ? Thx regards xue liu
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