2011/4/11 Rafał Miłecki <[email protected]> > > Summary: > 1) Chris has ASUS WL500pv2 with OpenWRT > 2) This is router with Broadcom 5354 SoC and LP-PHY card > 3) Firmware 410.2160 (broadcom-wl-4.150.10.5.tar.bz2) works OK > 4) Firmware 478.104 (broadcom-wl-4.178.10.4.tar.bz2) causes OOM > > Larry was testing his LP-PHY with kmemleak but didn't find anything. > > Chris traced a lot of skbs being allocated before OOM (500+). > > I suspect that with new firmware we provide slightly different RX > packets to mac80211 and there is sth wrong with mac80211 causing SKBs > not being freed. I don't have any other idea how changing firmware > could cause out of memory problems. > > The alloc code is question is dma.c::~585 > skb = __dev_alloc_skb(ring->rx_buffersize, gfp_flags); > > I've written patch to dump data we provide mac80211. My hope is to > notice differences in that data between older vs. newer firmware. > > Chris: could you try attached patch and provide dmesg from older and > newer firmware with this patch applied? > > -- > Rafał
I applied the patch to the latest OpenWrt trunk. (rev 26588) with compat-wireless 2011-04-06 Experimental (478.104) ----------------------------------------------------------------------------------------------------- b43-phy0: Loading firmware version 478.104 (2008-07-01 00:50:23) b43-phy0: Loading firmware version 478.104 (2008-07-01 00:50:23) device wlan0 entered promiscuous mode br-lan: port 2(wlan0) entering forwarding state br-lan: port 2(wlan0) entering forwarding state b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x3140 macstat:0x01060000 chanstat:0x000D mactime:0x1FE0 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:31 signal:15 antenna:0 rate_idx:0 flag:0x0080 b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x8540 macstat:0x01060000 chanstat:0x000D mactime:0x3EB7 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:31 signal:-74 antenna:0 rate_idx:0 flag:0x0080 b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x3140 macstat:0x01060000 chanstat:0x000D mactime:0x779E b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:31 signal:-2 antenna:0 rate_idx:0 flag:0x0080 b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x3140 macstat:0x01060000 chanstat:0x000D mactime:0x1D85 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:31 signal:-14 antenna:0 rate_idx:0 flag:0x0080 b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x8540 macstat:0x01060000 chanstat:0x000D mactime:0x5142 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:31 signal:-50 antenna:0 rate_idx:0 flag:0x0080 Followed immediately by OOM Stable (410.2160) ----------------------------------------------------------------------------------------------------- b43-phy0: Loading firmware version 410.2160 (2007-05-26 15:32:10) b43-phy0: Loading firmware version 410.2160 (2007-05-26 15:32:10) device wlan0 entered promiscuous mode br-lan: port 2(wlan0) entering forwarding state br-lan: port 2(wlan0) entering forwarding state b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x7940 macstat:0x01060000 chanstat:0x005D mactime:0xC2F6 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-19 antenna:0 rate_idx:0 flag:0x0080 b43-phy0 ERROR: RX: phystat0:0x0020 phystat3:0x8540 macstat:0x01060004 chanstat:0x005D mactime:0xCD95 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-74 antenna:1 rate_idx:0 flag:0x0000 b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x2240 macstat:0x01060000 chanstat:0x005D mactime:0x2B07 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-24 antenna:0 rate_idx:0 flag:0x0080 b43-phy0 ERROR: RX: phystat0:0x0001 phystat3:0x31A0 macstat:0x01060000 chanstat:0x005D mactime:0xEAE0 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-19 antenna:0 rate_idx:11 flag:0x0000 b43-phy0 ERROR: RX: phystat0:0x0001 phystat3:0x31A0 macstat:0x01060000 chanstat:0x005D mactime:0xEF34 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-22 antenna:0 rate_idx:11 flag:0x0000 device wlan0 left promiscuous mode br-lan: port 2(wlan0) entering forwarding state device wlan0 entered promiscuous mode br-lan: port 2(wlan0) entering forwarding state br-lan: port 2(wlan0) entering forwarding state net_ratelimit: 348 callbacks suppressed b43-phy0 ERROR: RX: phystat0:0x0020 phystat3:0xB540 macstat:0x01068000 chanstat:0x005D mactime:0x52E8 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-21 antenna:1 rate_idx:0 flag:0x0080 b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x3140 macstat:0x01068028 chanstat:0x005D mactime:0x5985 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-21 antenna:0 rate_idx:0 flag:0x0000 b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x2240 macstat:0x01068000 chanstat:0x005D mactime:0xBB50 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-13 antenna:0 rate_idx:0 flag:0x0080 b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x8540 macstat:0x01068000 chanstat:0x005D mactime:0x16DC b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-76 antenna:0 rate_idx:0 flag:0x0080 b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x8540 macstat:0x01068000 chanstat:0x005D mactime:0x2000 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-77 antenna:0 rate_idx:0 flag:0x0080 net_ratelimit: 400 callbacks suppressed b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x3140 macstat:0x01068000 chanstat:0x005D mactime:0xE2DA b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-22 antenna:0 rate_idx:0 flag:0x0080 b43-phy0 ERROR: RX: phystat0:0x0020 phystat3:0xB540 macstat:0x01068000 chanstat:0x005D mactime:0x4B9B b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-11 antenna:1 rate_idx:0 flag:0x0080 b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x3140 macstat:0x01068000 chanstat:0x005D mactime:0x72D9 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-22 antenna:0 rate_idx:0 flag:0x0080 b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x3140 macstat:0x01068000 chanstat:0x005D mactime:0xDB9C b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:2 antenna:0 rate_idx:0 flag:0x0080 b43-phy0 ERROR: RX: phystat0:0x0000 phystat3:0x8540 macstat:0x01068000 chanstat:0x005D mactime:0x40E8 b43-phy0 ERROR: RX: ieee80211_rx_status: band:0 freq:33 signal:-79 antenna:0 rate_idx:0 flag:0x0080 NOHZ: local_softirq_pending 08 NOHZ: local_softirq_pending 08 NOHZ: local_softirq_pending 08 No More messages after this, The device functions OK ---------------------------------------------------------- Chris Martin m: +61 419 812 371 ---------------------------------------------------------- _______________________________________________ b43-dev mailing list [email protected] http://lists.infradead.org/mailman/listinfo/b43-dev
