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Date: Mon, 13 Apr 2015 15:28:03 +0800
From: Huang Ying <ying.huang@...el.com>
To: Avri Altman <avri.altman@...el.com>
Cc: Johannes Berg <johannes.berg@...el.com>,
LKML <linux-kernel@...r.kernel.org>, LKP ML <lkp@...org>
Subject: [LKP] [mac80211] 42f107062dc: WARNING: CPU: 1 PID: 1 at
net/mac80211/driver-ops.h:12 check_sdata_in_driver+0x4a/0x53()
FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git fast-xmit
commit 42f107062dc4c8e8c2fa01465cef4308bf0dbcda ("mac80211: enable changing netdev features with ethtool")
+------------------------------------------------------------------+------------+------------+
| | e911211131 | 42f107062d |
+------------------------------------------------------------------+------------+------------+
| boot_successes | 0 | 0 |
| boot_failures | 30 | 30 |
| Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 25 | 23 |
| backtrace:platform_device_register_full | 9 | 8 |
| backtrace:alsa_card_dummy_init | 9 | 8 |
| backtrace:kernel_init_freeable | 20 | 30 |
| backtrace:platform_device_add | 1 | |
| backtrace:fujitsu_init | 1 | |
| Out_of_memory:Kill_process | 10 | 11 |
| backtrace:do_fork | 9 | 6 |
| backtrace:SyS_clone | 9 | 6 |
| backtrace:do_sys_open | 2 | 1 |
| backtrace:compat_SyS_open | 2 | 1 |
| backtrace:do_execveat_common | 1 | 2 |
| backtrace:compat_SyS_execve | 1 | 2 |
| backtrace:do_mount | 2 | |
| backtrace:compat_SyS_mount | 2 | |
| backtrace:vfs_read | 2 | 4 |
| backtrace:SyS_read | 2 | 4 |
| WARNING:at_drivers/block/floppy.c:#schedule_bh() | 1 | |
| backtrace:pgd_alloc | 1 | |
| backtrace:mm_init | 1 | |
| backtrace:__call_usermodehelper | 1 | |
| backtrace:register_netdev | 10 | 10 |
| backtrace:rose_proto_init | 10 | 10 |
| backtrace:kobject_add_internal | 1 | 1 |
| backtrace:kobject_init_and_add | 1 | 1 |
| backtrace:neigh_parms_alloc | 1 | 1 |
| backtrace:inetdev_init | 1 | 1 |
| WARNING:at_net/mac80211/driver-ops.h:#check_sdata_in_driver() | 0 | 30 |
| backtrace:mac80211_hwsim_new_radio | 0 | 30 |
| backtrace:init_mac80211_hwsim | 0 | 30 |
| backtrace:acpi_bus_register_driver | 0 | 1 |
| backtrace:acpi_topstar_driver_init | 0 | 1 |
| backtrace:SYSC_readlinkat | 0 | 1 |
| backtrace:SyS_readlink | 0 | 1 |
+------------------------------------------------------------------+------------+------------+
[ 15.174657] mac80211_hwsim: initializing netlink
[ 15.177489] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[ 15.179949] ------------[ cut here ]------------
[ 15.180666] WARNING: CPU: 1 PID: 1 at net/mac80211/driver-ops.h:12 check_sdata_in_driver+0x4a/0x53()
[ 15.182089] wlan0: Failed check-sdata-in-driver check, flags: 0x0
[ 15.182906] Modules linked in:
[ 15.183496] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.0.0-rc7-01974-g9af8ade #30
[ 15.184622] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014
[ 15.186186] 0000000000000009 ffff880022467b78 ffffffff82dc687f 00000000001d03e8
[ 15.187623] ffff880022467bc8 ffff880022467bb8 ffffffff810c91ef ffff880022467bb8
[ 15.189037] ffffffff82d20658 0000000000000001 ffff880009f80b40 0000000000004000
[ 15.190446] Call Trace:
[ 15.190885] [<ffffffff82dc687f>] dump_stack+0x4c/0x65
[ 15.191677] [<ffffffff810c91ef>] warn_slowpath_common+0xa1/0xbb
[ 15.192525] [<ffffffff82d20658>] ? check_sdata_in_driver+0x4a/0x53
[ 15.193353] [<ffffffff810c924f>] warn_slowpath_fmt+0x46/0x48
[ 15.194123] [<ffffffff810e83fb>] ? ___might_sleep+0x36/0x14d
[ 15.195066] [<ffffffff82d20658>] check_sdata_in_driver+0x4a/0x53
[ 15.196060] [<ffffffff82d21680>] ieee80211_netdev_set_features+0x70/0x19b
[ 15.197017] [<ffffffff82a6148f>] __netdev_update_features+0x1b0/0x1e6
[ 15.198002] [<ffffffff82a6183e>] register_netdevice+0x2ab/0x36c
[ 15.208957] [<ffffffff82d2367a>] ieee80211_if_add+0x4bd/0x525
[ 15.209780] [<ffffffff82d0fd20>] ieee80211_register_hw+0x780/0x877
[ 15.210644] [<ffffffff82390b1a>] mac80211_hwsim_new_radio+0x5e6/0x803
[ 15.211518] [<ffffffff84474d8f>] init_mac80211_hwsim+0x36a/0x41e
[ 15.212584] [<ffffffff84474a25>] ? p54spi_driver_init+0x12/0x12
[ 15.213545] [<ffffffff8100216c>] do_one_initcall+0xed/0x17b
[ 15.214346] [<ffffffff843ee164>] kernel_init_freeable+0x1ec/0x279
[ 15.215228] [<ffffffff82db53d6>] ? rest_init+0xca/0xca
[ 15.215944] [<ffffffff82db53e4>] kernel_init+0xe/0xdf
[ 15.216727] [<ffffffff82deb158>] ret_from_fork+0x58/0x90
[ 15.217466] [<ffffffff82db53d6>] ? rest_init+0xca/0xca
[ 15.218272] ---[ end trace bc1f8639a63a4e98 ]---
[ 15.218940] mac80211_hwsim hwsim0 wlan0: set_features() failed (-5); wanted 0x0000000000004000, left 0x0000000000004800
Thanks,
Ying Huang
View attachment "config-4.0.0-rc5-01386-g42f1070" of type "text/plain" (141672 bytes)
View attachment ".dmesg" of type "text/plain" (48272 bytes)
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