On Monday, June 16, 2014 1:08:21 PM UTC+4, Hans de Goede wrote: > Hi Arend, > > > > On 06/16/2014 10:41 AM, Arend van Spriel wrote: > > > On 15-06-14 14:04, [email protected] wrote: > > >> On Sun, Jun 15, 2014 at 6:25 AM, Hans de Goede <[email protected]> wrote: > > >>> Hi, > > >>> > > >>> On 06/14/2014 02:47 PM, Александр Берсенев wrote: > > >>>> Hi, > > >>>> > > >>>> I have wifi working on cubietruck, but after several minutes of operation > > >>>> it stops work. The kernel was compiled from the latest sunxi-devel branch > > >>>> of linux-sunxi repo. > > >>>> > > >>>> Ifconfig says that wlan1 is running, but all operation fails by timeout. > > >>>> > > >>>> # iwlist wlan1 scan > > >>>> wlan1 Interface doesn't support scanning : Connection timed out > > >>>> > > >>>> # time iwconfig wlan1 > > >>>> wlan1 IEEE 802.11bgn ESSID:off/any > > >>>> Mode:Managed Access Point: Not-Associated > > >>>> Retry short limit:7 RTS thr:off Fragment thr:off > > >>>> Encryption key:off > > >>>> Power Management:off > > >>>> > > >>>> real 0m4.999s > > >>>> user 0m0.000s > > >>>> sys 0m0.010s > > >>>> > > >>>> > > >>>> Each second two messages appears in dmesg: > > >>>> brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x0a020, err: > > >>>> -110 > > >>>> brcmfmac: brcmf_sdio_dpc: failed backplane access over SDIO, halting > > >>>> operation > > >>>> > > >>>> More related messages: > > >>>> brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout > > >>>> brcmfmac: brcmf_fil_cmd_data: Failed err=-110 > > >>>> brcmfmac: brcmf_cfg80211_get_tx_power: error (-110) > > >>>> brcmfmac: brcmf_do_escan: error (-110) > > >>>> brcmfmac: brcmf_cfg80211_scan: scan error (-110) > > >>>> > > >>>> The command rmmod brcmfmac never finishes. > > >>>> > > >>>> Also, when wifi stops work, mmc error messages repeat in dmesg: > > >>>> [ 245.780430] sunxi-mmc 1c12000.mmc: smc 1 err, cmd 53, RD SBE !! > > >>> > > >>> Right, this is the infamous SBE error, a known issue, for which I've been > > >>> unable to find a fix. Any help with fixing this is very much welcome. > > >>> > > >>> After the first SBE error any commands reading data from the device > > >>> will fail with a DTO error. But it is the first SBE error which seems > > >>> to kill things. I've reviewed the sunxi-mmc code countless times and tried > > >>> various approaches (such as resetting the entire mmc controller) to work > > >>> around this, but all without success. > > >> > > >> Does Broadcom know what this is, or do they have a better way to debug it? > > > > > > Where can I find the linux-sunxi repo? github? > > > > You should be able to reproduce this with the upstream 3.16-rc1 kernel which > > should have all the necessary bits. I say should because I've not rebased > > my tree yet, so I'm not 100% sure yet. > > > > Note this will get you support for the sdio brcmfmac module without oob > interrupts, > > but the SBE problem exhibits itself both with and without oob interrupts. > > > > Alternatively you could use: > > https://github.com/jwrdegoede/linux-sunxi/commits/sunxi-devel > > > > Which currently is 3.15 + a set of sunxi patches, this one does do oob irq > > support. I plan to rebase this on top of 3.16 (which should cause most patches > > to get dropped) + forse-push during the coming days. > > > > Or you can use: > > https://github.com/linux-sunxi/linux-sunxi/commits/sunxi-devel > > > > Which currently holds the same > https://github.com/jwrdegoede/linux-sunxi/commits/sunxi-devel > > and won't get rebased to 3.16 until 3.16 has proven to at least be somewhat > > usable. Basically this is a copy of > https://github.com/jwrdegoede/linux-sunxi/commits/sunxi-devel > > which gets updated somewhat more conservatively. > > > > Regards, > > > > Hans
Yup, mainline 3.16.1 the same thing! Maxim -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
