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Re: [PATCH 5/5] mwl8k: bump firmware API to 3

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On 6 February 2013 16:13, Yogesh Ashok Powar <yogeshp@xxxxxxxxxxx> wrote:
> Hi Jonas,
>
> We have already mailed the API-3 firmware to Ben Hutching for adding
> it to linux-firmware.git.
>
> Meanwhile please get the new AP firmware from
> https://github.com/yogeshpowar/mwl8k_ap_firmware

Thanks, with it I can get AP mode to work on both a 2.4 GHz single
band and a dual band card, but a 5 GHz single band card craps out when
bringing up the interface (see the oops at the end).

I haven't looked to deeply into what's happening, and I haven't made
sure yet the problem isn't caused by any OpenWrt modifications (which
is using compat-wirless 2013-01-07). I'll take a closer look tomorrow.

Regards
Jonas


P.S: The oops:
[  665.669993] Unable to handle kernel NULL pointer dereference at
virtual address 00000016
[  665.678194] pgd = c6d58000
[  665.680941] [00000016] *pgd=06f8a831, *pte=00000000, *ppte=00000000
[  665.687303] Internal error: Oops: 17 [#1]
[  665.691326] Modules linked in: nf_nat_irc nf_nat_ftp
nf_conntrack_irc nf_conntrack_ftp ipt_MASQUERADE iptable_nat nf_nat
pppoe xt_conntrack xt_CT xt_NOTRACK iptable_raw xt_state
nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack pppox ipt_REJECT
xt_TCPMSS ipt_LOG xt_comment xt_multiport xt_mac xt_limit
iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables ppp_async
ppp_generic slhc mwl8k(O) mac80211(O) crc_ccitt cfg80211(O) compat(O)
arc4 aes_generic crypto_algapi
[  665.732940] CPU: 0    Tainted: G           O  (3.3.8 #52)
[  665.738387] PC is at cfg80211_chandef_usable+0x7c/0x1bc [cfg80211]
[  665.744611] LR is at cfg80211_chandef_usable+0x20/0x1bc [cfg80211]
(...)
[  666.116373] Backtrace:
[  666.118866] [<bf0368dc>] (cfg80211_chandef_usable+0x0/0x1bc
[cfg80211]) from [<bf025e64>] (nl80211_leave_mesh+0x244/0x264
[cfg80211])
[  666.130919]  r7:c6d12100 r6:0000143c r5:c0611c48 r4:c0611b98
[  666.136668] [<bf025d84>] (nl80211_leave_mesh+0x164/0x264
[cfg80211]) from [<bf02634c>] (nl80211_remain_on_channel+0x2a0/0x358
[cfg80211])
[  666.149074]  r7:c6d12000 r6:c6d12000 r5:c6f4f368 r4:00000003
[  666.154814] [<bf0262ec>] (nl80211_remain_on_channel+0x240/0x358
[cfg80211]) from [<bf02ddb0>] (nl80211_set_wiphy+0x264/0x560
[cfg80211])
[  666.167150] [<bf02db4c>] (nl80211_set_wiphy+0x0/0x560 [cfg80211])
from [<c01f94e0>] (genl_rcv_msg+0x1b8/0x1f8)
[  666.177205] [<c01f9328>] (genl_rcv_msg+0x0/0x1f8) from [<c01f89a0>]
(netlink_rcv_skb+0x58/0xb4)
[  666.185949] [<c01f8948>] (netlink_rcv_skb+0x0/0xb4) from
[<c01f931c>] (genl_rcv+0x20/0x2c)
[  666.194251]  r6:c6f70780 r5:0000002c r4:c6f70780 r3:00000001
[  666.199973] [<c01f92fc>] (genl_rcv+0x0/0x2c) from [<c01f8418>]
(netlink_unicast+0x154/0x1f4)
[  666.208449]  r4:c785ea00 r3:c01f92fc
[  666.212057] [<c01f82c4>] (netlink_unicast+0x0/0x1f4) from
[<c01f8790>] (netlink_sendmsg+0x230/0x2b0)
[  666.221240] [<c01f8560>] (netlink_sendmsg+0x0/0x2b0) from
[<c01cccf8>] (sock_sendmsg+0x90/0xa4)
[  666.229986] [<c01ccc68>] (sock_sendmsg+0x0/0xa4) from [<c01cdcb0>]
(__sys_sendmsg+0x290/0x298)
[  666.238637]  r9:00000000 r8:c0611ec8 r6:0000002c r5:c0610000 r4:c0611f64
[  666.245411] [<c01cda20>] (__sys_sendmsg+0x0/0x298) from
[<c01cf52c>] (sys_sendmsg+0x44/0x6c)
[  666.253897] [<c01cf4e8>] (sys_sendmsg+0x0/0x6c) from [<c00090a0>]
(ret_fast_syscall+0x0/0x2c)

Full stack at <http://pastebin.com/v0tYysE9>
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