On Wed, Dec 12, 2018 at 5:27 AM Reizer, Eyal <eyalr@xxxxxx> wrote: > I Just tried on an available am335x-evm using 4.20.0-rc1 which I believe has all the patches merged already. > I am using the same script and not seeing any failure yet. > See below: > > root@am335x-evm:/usr/share/wl18xx# uname -r > 4.20.0-rc1-11287-gf487c00 > root@am335x-evm:/usr/share/wl18xx# > root@am335x-evm:/usr/share/wl18xx# > root@am335x-evm:/usr/share/wl18xx# > root@am335x-evm:/usr/share/wl18xx# > root@am335x-evm:/usr/share/wl18xx# while true; do ifconfig wlan0 down; ifconfig wlan0 up; done; > [1378786.491101] wlcore: down > [1378787.093006] wlcore: PHY firmware version: Rev 8.2.0.0.242 > [1378787.168523] wlcore: firmware booted (Rev 8.9.0.1.79) I noticed your firmware is different here (8.9.0.1.79 instead of 8.9.0.0.79), but unclear if that would cause the issue. Tested with 4.20-rc1 on my beaglebone black wireless and had the same crash as with rc6: [ 157.947356] wlcore: PHY firmware version: Rev 8.2.0.0.242 [ 157.994951] wlcore: firmware booted (Rev 8.9.0.0.79) [ 158.026020] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 158.042400] wlcore: down [ 159.789119] ------------[ cut here ]------------ [ 159.794351] WARNING: CPU: 0 PID: 629 at drivers/net/wireless/ti/wlcore/sdio.c:145 wl12xx_sdio_raw_write+0x134/0x1c0 [wlcore_sdio] [ 159.809198] Modules linked in: ipt_MASQUERADE nf_conntrack_netlink nfnetlink xfrm_user iptable_nat nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c br_netfilter bridge stp llc arc4 wl18xx wlcore mac80211 musb_dsps musb_hdrc phy_am335x cppi41 udc_core phy_am335x_control phy_generic snd_soc_hdmi_codec snd_soc_simple_card snd_soc_simple_card_utils pm33xx wkup_m3_rproc wkup_m3_ipc remoteproc virtio virtio_ring ti_emif_sram snd_soc_davinci_mcasp hci_uart snd_soc_edma snd_soc_sdma tilcdc btqca btbcm btintel snd_soc_core snd_pcm_dmaengine omap_mailbox snd_pcm wlcore_sdio snd_timer snd soundcore musb_am335x rtc_omap tda998x at24 cpufreq_dt thermal_sys fuse nhc_udp bluetooth_6lowpan nhc_routing nhc_hop nhc_mobility nhc_fragment nhc_dest nhc_ipv6 6lowpan [ 159.891095] CPU: 0 PID: 629 Comm: ifconfig Not tainted 4.20.0-rc1-lmp-standard #1 [ 159.905673] Hardware name: Generic AM33XX (Flattened Device Tree) [ 159.912806] Backtrace: [ 159.915412] [<c010f0b8>] (dump_backtrace) from [<c010f458>] (show_stack+0x20/0x24) [ 159.924309] r7:dc9f4410 r6:00000009 r5:00000000 r4:00000000 [ 159.930269] [<c010f438>] (show_stack) from [<c0a0d510>] (dump_stack+0x24/0x28) [ 159.939016] [<c0a0d4ec>] (dump_stack) from [<c013a864>] (__warn.part.3+0xcc/0xe4) [ 159.947485] [<c013a798>] (__warn.part.3) from [<c013a9fc>] (warn_slowpath_null+0x54/0x5c) [ 159.956626] r6:bf1383b4 r5:00000091 r4:bf139be0 [ 159.961995] [<c013a9a8>] (warn_slowpath_null) from [<bf1383b4>] (wl12xx_sdio_raw_write+0x134/0x1c0 [wlcore_sdio]) [ 159.973266] r6:00004000 r5:c0f03088 r4:dd588400 [ 159.978201] [<bf138280>] (wl12xx_sdio_raw_write [wlcore_sdio]) from [<bf42d33c>] (wlcore_boot_upload_firmware+0x1ec/0x55c [wlcore]) [ 159.991553] r10:dcf58000 r9:de490d60 r8:bf138280 r7:00014000 r6:bf441480 r5:80904000 [ 159.999766] r4:00000001 [ 160.003427] [<bf42d150>] (wlcore_boot_upload_firmware [wlcore]) from [<bf458228>] (wl18xx_boot+0x8e4/0xd4c [wl18xx]) [ 160.015176] r10:00000000 r9:00000014 r8:c0cdee98 r7:bf441480 r6:c0f03088 r5:00000000 [ 160.023933] r4:de490d60 [ 160.026673] [<bf457944>] (wl18xx_boot [wl18xx]) from [<bf41da38>] (wl1271_op_add_interface+0x580/0x9b0 [wlcore]) [ 160.039580] r9:00000003 r8:de490da0 r7:bf441480 r6:c0f03088 r5:de490d60 r4:00000000 [ 160.048653] [<bf41d4b8>] (wl1271_op_add_interface [wlcore]) from [<bf367df8>] (drv_add_interface+0x58/0x1a8 [mac80211]) [ 160.060950] r10:00000000 r9:ffffffff r8:00000001 r7:de4794e0 r6:de490460 r5:de490460 [ 160.069167] r4:de4794e0 [ 160.073230] [<bf367da0>] (drv_add_interface [mac80211]) from [<bf37f37c>] (ieee80211_do_open+0x490/0x984 [mac80211]) [ 160.085115] r7:de4794e0 r6:de490460 r5:de479000 r4:de4794e8 [ 160.091854] [<bf37eeec>] (ieee80211_do_open [mac80211]) from [<bf37f8c4>] (ieee80211_open+0x54/0x60 [mac80211]) [ 160.103055] r10:db213c60 r9:00000000 r8:00001002 r7:c0f03088 r6:bf3cb4e0 r5:c0f03088 [ 160.114672] r4:de4794e0 [ 160.117620] [<bf37f870>] (ieee80211_open [mac80211]) from [<c07f8fec>] (__dev_open+0xec/0x170) [ 160.132084] r5:c0f03088 r4:de479000 [ 160.135883] [<c07f8f00>] (__dev_open) from [<c07f940c>] (__dev_change_flags+0x174/0x1d4) [ 160.145604] r6:00001043 r5:00000001 r4:de479000 [ 160.151249] [<c07f9298>] (__dev_change_flags) from [<c07f9494>] (dev_change_flags+0x28/0x58) [ 160.160109] r9:00000000 r8:c0fa2060 r7:de479144 r6:00000000 r5:00001002 r4:de479000 [ 160.169241] [<c07f946c>] (dev_change_flags) from [<c0894650>] (devinet_ioctl+0x6d4/0x704) [ 160.178361] r9:00000000 r8:c0fa2060 r7:dcb0fd0c r6:c0f03088 r5:dcfffe08 r4:00000000 [ 160.187128] [<c0893f7c>] (devinet_ioctl) from [<c0896918>] (inet_ioctl+0x214/0x3c4) [ 160.195687] r10:db213c60 r9:00000004 r8:00000051 r7:c0fa2060 r6:00008914 r5:be811b0c [ 160.204386] r4:c0f03088 [ 160.207064] [<c0896704>] (inet_ioctl) from [<c07d354c>] (sock_ioctl+0x1d0/0x4e0) [ 160.215677] r9:00000004 r8:c0fa2060 r7:be811b0c r6:d1041240 r5:c0f03088 r4:00008914 [ 160.224361] [<c07d337c>] (sock_ioctl) from [<c02e4314>] (do_vfs_ioctl+0xc0/0x95c) [ 160.232820] r9:00000004 r8:be811b0c r7:00000004 r6:d1041240 r5:be811b0c r4:c0f03088 [ 160.241466] [<c02e4254>] (do_vfs_ioctl) from [<c02e4c1c>] (ksys_ioctl+0x6c/0x90) [ 160.249230] r10:00000036 r9:00000004 r8:be811b0c r7:00008914 r6:00000000 r5:d1041240 [ 160.258250] r4:d1041240 [ 160.261515] [<c02e4bb0>] (ksys_ioctl) from [<c02e4c58>] (sys_ioctl+0x18/0x1c) [ 160.269006] r9:dcffe000 r8:c0101204 r7:00000036 r6:b6fe7900 r5:004c3e44 r4:be811b0c [ 160.278049] [<c02e4c40>] (sys_ioctl) from [<c0101000>] (ret_fast_syscall+0x0/0x54) [ 160.286585] Exception stack(0xdcffffa8 to 0xdcfffff0) [ 160.292443] ffa0: be811b0c 004c3e44 00000004 00008914 be811b0c 00001002 [ 160.301530] ffc0: be811b0c 004c3e44 b6fe7900 00000036 be811bec 004c4384 004c3e44 be811efe [ 160.310107] ffe0: 004c3ec4 be811afc 004ad0d1 b6f5e0f8 [ 160.316308] ---[ end trace e1cf141728071aef ]--- [ 160.321681] wl1271_sdio mmc2:0001:2: sdio write failed (-110) I'm guessing this is just a timing issue that is happening on beagle, and also possibly related to the kernel config used here. Cheers, -- Ricardo Salveti de Araujo
