On Mon, 2014-07-07 at 09:25 -0700, Adrian Chadd wrote:
> hi,
> 
> That call is returning ENOMEM. I'm not sure why. It allocated an mbuf
> fine, but it couldn't allocate the DMA map.
> 
> What's the output of "vmstat -z" ? I wonder if it's failing an allocation.
> 
> 
> 
> -a

Lack of bounce buffers is a posibility that won't show up in vmstat
output.

-- Ian


> On 7 July 2014 07:25, John Hay <j...@meraka.org.za> wrote:
> > Hi Guys,
> >
> > I'm further with getting my stuff working on the CAMBRIA xscale boards,
> > but now see this
> >
> > ath1: ath_legacy_rxbuf_init: bus_dmamap_load_mbuf_sg failed; error 12
> >
> > error when trying to configure a second or third atheros board. Below
> > is the script run with -x with its output. The same is working fine
> > on an Avila board. The Avila has 64M RAM and the CAMBRIA 128M. The
> > userlevel code is the same for both and in trying to see if it is
> > something missing in the kernel config, I have made a common kernel
> > config file with all the common AVILA and CAMBRIA configs and then
> > included that in a new AVILA and CAMBRIA config file. That gave the
> > same result. The output is from a 2 week old -current/head.
> >
> > ##############################
> > ~ # uname -a
> >  FreeBSD  11.0-CURRENT FreeBSD 11.0-CURRENT #5 r267954M: Fri Jun 27 
> > 14:49:04 SAST 2014     
> > j...@dolphin.meraka.csir.co.za:/usr/obj/arm.armeb/snaps/arm/11-tst/src/sys/SMALL-CAMBRIA
> >   arm
> > ~ # /root/do-wlans
> > + crflags='wlanmode adhoc'
> > + dbgval=0x20000500c
> > + ifconfig wlan0 create wlandev ath0 wlanmode adhoc
> > wlan0: Ethernet address: 00:80:48:4f:24:ea
> > + ifconfig wlan0 inet 10.0.1.1/24 channel 36 ssid ptabb bssid 
> > 05:05:ca:fe:ba:be
> > + sysctl dev.ath.1.debug=0x20000500c
> > dev.ath.1.debug: 0 -> 8589955084
> > + ifconfig wlan1 create wlandev ath1 wlanmode adhoc
> > wlan1: Ethernet address: 00:80:48:4f:24:da
> > + ifconfig wlan1 inet 10.0.2.1/24 channel 40 ssid ptabb bssid 
> > 05:06:ca:fe:ba:be
> > ath1: ath_init: if_flags 0x8803
> > ath1: ath_stop_locked: invalid 0 if_flags 0x8803
> > ath1: ath_legacy_rxbuf_init: bus_dmamap_load_mbuf_sg failed; error 12
> > ath1: ath_legacy_startrecv: ath_rxbuf_init failed 12
> > ath1: unable to start recv logic
> > + sysctl dev.ath.1.debug=0
> > dev.ath.1.debug: 8589955084 -> 0
> > + sysctl dev.ath.2.debug=0x20000500c
> > dev.ath.2.debug: 0 -> 8589955084
> > + ifconfig wlan2 create wlandev ath2 wlanmode adhoc
> > wlan2: Ethernet address: 00:21:a4:32:38:c2
> > + ifconfig wlan2 inet 10.0.3.1/24 channel 1 ssid ptabb bssid 
> > 05:07:ca:fe:ba:be
> > ath2: ath_init: if_flags 0x8803
> > ath2: ath_stop_locked: invalid 0 if_flags 0x8803
> > ath2: ath_legacy_rxbuf_init: bus_dmamap_load_mbuf_sg failed; error 12
> > ath2: ath_legacy_startrecv: ath_rxbuf_init failed 12
> > ath2: unable to start recv logic
> > + sysctl dev.ath.2.debug=0
> > dev.ath.2.debug: 8589955084 -> 0
> > :~ # netstat -m
> > 182/328/510 mbufs in use (current/cache/total)
> > 64/192/256/2552 mbuf clusters in use (current/cache/total/max)
> > 64/189 mbuf+clusters out of packet secondary zone in use (current/cache)
> > 0/0/0/1275 4k (page size) jumbo clusters in use (current/cache/total/max)
> > 0/0/0/378 9k jumbo clusters in use (current/cache/total/max)
> > 0/0/0/212 16k jumbo clusters in use (current/cache/total/max)
> > 173K/466K/639K bytes allocated to network (current/cache/total)
> > 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
> > 0/0/0 requests for mbufs delayed (mbufs/clusters/mbuf+clusters)
> > 0/0/0 requests for jumbo clusters delayed (4k/9k/16k)
> > 0/0/0 requests for jumbo clusters denied (4k/9k/16k)
> > 0/3/1488 sfbufs in use (current/peak/max)
> > 0 requests for sfbufs denied
> > 0 requests for sfbufs delayed
> > 0 requests for I/O initiated by sendfile
> > ##############################
> >
> > CAMBRIA config file
> > ##############################
> > include         XSCALE-ARM
> >
> > ident           SMALL-CAMBRIA
> >
> > include         "../xscale/ixp425/std.ixp435"
> >
> > hints           "CAMBRIA.hints"
> >
> > options         IXP4XX_FLASH_SIZE=0x02000000    # stock 2358 comes w/ 32M
> >
> > device          cambria_fled                    # Font Panel LED on I2C bus
> > device          cambria_led                     # 8-LED latch
> >
> > device          cambria_gpio                    # GPIO pins on J11
> >
> > env             "SMALL-AVILA.env"
> > ##############################
> >
> > AVILA config file
> > ##############################
> > include XSCALE-ARM
> >
> > ident           SMALL-AVILA
> >
> > include         "../xscale/ixp425/std.ixp425"
> >
> > hints           "AVILA.hints"           # Default places to look for 
> > devices.
> >
> > device          avila_led
> >
> > device          avila_gpio              # GPIO pins on J8
> >
> > env             "SMALL-AVILA.env"
> > ##############################
> >
> > XSCALE-ARM config file
> > ##############################
> > include         "../xscale/ixp425/std.avila"
> > options         XSCALE_CACHE_READ_WRITE_ALLOCATE
> > makeoptions     MODULES_OVERRIDE=""
> >
> > makeoptions     CONF_CFLAGS=-mcpu=xscale
> > options         HZ=100
> > options         DEVICE_POLLING
> >
> > options         ROOTDEVNAME=\"ufs:ad0s1a\"
> >
> > options         SCHED_4BSD              # 4BSD scheduler
> > options         INET                    # Legacy InterNETworking
> > options         INET6                   # InterNETworking
> > options         GEOM_PART_BSD           # BSD partition scheme
> > options         GEOM_PART_MBR           # MBR partition scheme
> > options         TMPFS                   # Efficient memory filesystem
> > options         FFS                     # Berkeley Fast Filesystem
> > options         SOFTUPDATES             # Enable FFS soft updates support
> >
> > options         HWPMC_HOOKS
> > device          hwpmc
> >
> >
> > device          pci
> > device          uart
> >
> > device          ixpwdog                 # watchdog timer
> > device          cfi                     # flash support
> > device          cfid                    # flash disk support
> > device          geom_redboot            # redboot fis parser
> >
> > device          iicbus
> > device          iicbb
> > device          iic
> >
> > device          ixpiic                  # I2C bus glue
> > device          ds1672                  # DS1672 on I2C bus
> > device          ad7418                  # AD7418 on I2C bus
> >
> >
> > device          gpio
> > device          gpioled
> >
> > device          ata
> > device          avila_ata               # Gateworks CF/IDE support
> >
> > device          npe                     # Network Processing Engine
> > device          npe_fw
> > device          firmware
> > device          qmgr                    # Q Manager (required by npe)
> > device          mii                     # NB: required by npe
> > device          ether
> > device          bpf
> >
> > device          loop
> > device          if_bridge
> >
> > device          md
> > device          random                  # Entropy device
> >
> > device          wlan                    # 802.11 support
> > options         IEEE80211_DEBUG
> > options         IEEE80211_SUPPORT_TDMA
> > options         IEEE80211_SUPPORT_MESH
> > device          wlan_wep                # 802.11 WEP support
> > device          wlan_ccmp               # 802.11 CCMP support
> > device          wlan_tkip               # 802.11 TKIP support
> > device          wlan_xauth
> > device          wlan_acl
> >
> > device          ath                     # Atheros NICs
> > device          ath_pci                 # Atheros pci/cardbus glue
> > options         ATH_DEBUG
> > options         ATH_DIAGAPI
> > device          ath_rate_sample         # SampleRate tx rate control for ath
> >
> > options         AH_DEBUG
> > options         AH_PRIVATE_DIAG
> > device          ath_ar5212
> > device          ath_rf2413
> > device          ath_rf2417
> > device          ath_rf2425
> > device          ath_rf5111
> > device          ath_rf5112
> > device          ath_rf5413
> > device          ath_ar5416
> > options         AH_SUPPORT_AR5416
> > device          ath_ar9160
> > device          ath_ar9280
> >
> > device          usb
> > options         USB_EHCI_BIG_ENDIAN_DESC
> > device          ohci
> > device          ehci
> > device          umass
> > device          scbus                   # SCSI bus (required for ATA/SCSI)
> > device          da                      # Direct Access (disks)
> > device          pass                    # Passthrough device (direct 
> > ATA/SCSI access)
> >
> >
> > device          gif
> > device          tun
> > ##############################
> >
> >
> > Regards
> >
> > John
> > --
> > John Hay -- j...@meraka.csir.co.za / j...@meraka.org.za
> > _______________________________________________
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