linux-kernel - RE: [LKP] [cfg80211] eeca9fce1d7: BUG: kernel boot oversize

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Date:	Tue, 24 Mar 2015 08:34:51 +0000
From:	"Peer, Ilan" <ilan.peer@...el.com>
To:	"Huang, Ying" <ying.huang@...el.com>
CC:	"Berg, Johannes" <johannes.berg@...el.com>,
	LKML <linux-kernel@...r.kernel.org>, "lkp@...org" <lkp@...org>
Subject: RE: [LKP] [cfg80211] eeca9fce1d7: BUG: kernel boot oversize

Hi,

This mean u probably do not have crda installed, or it is not properly configured. These are debug prints so the simplest would be to disable CONFIG_CFG80211_REG_DEBUG .. unless you are debugging wireless regulatory flows.

Regardless, I'll try to come up with a better solution to handle such cases.

Thanks,

Ilan.

> -----Original Message-----
> From: Huang, Ying
> Sent: Tuesday, March 24, 2015 09:32
> To: Peer, Ilan
> Cc: Berg, Johannes; LKML; lkp@...org
> Subject: [LKP] [cfg80211] eeca9fce1d7: BUG: kernel boot oversize
> 
> FYI, we noticed the below changes on
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git master
> commit eeca9fce1d71a4955855ceb0c3b13c1eb9db27c1 ("cfg80211:
> Schedule timeout for all CRDA calls")
> 
> 
> +-------------------------+------------+------------+
> |                         | 0505075360 | eeca9fce1d |
> +-------------------------+------------+------------+
> | boot_successes          | 9          | 9          |
> | boot_failures           | 0          | 1          |
> | BUG:kernel_boot_crashed | 0          | 1          |
> +-------------------------+------------+------------+
> 
> It appears too many like like below in dmesg after applying the patch in a
> virtual machine.
> 
> [11223.232543] cfg80211: Kicking the queue [11223.233674] cfg80211:
> Calling CRDA to update world regulatory domain
> 
> BUG: kernel boot oversize
> Elapsed time: 11150
> qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap -kernel
> /kernel/x86_64-randconfig-n0-
> 03210642/ca2fd9633ed4fe8a5ad56efb2fcef061a19f2e90/vmlinuz-4.0.0-rc4-
> wl-ath-03682-gca2fd963 -append 'user=lkp job=/lkp/scheduled/vm-kbuild-
> 1G-10/rand_boot-1-x86_64-randconfig-n0-03210642-
> ca2fd9633ed4fe8a5ad56efb2fcef061a19f2e90-0.yaml ARCH=x86_64
> BOOT_IMAGE=/kernel/x86_64-randconfig-n0-
> 03210642/ca2fd9633ed4fe8a5ad56efb2fcef061a19f2e90/vmlinuz-4.0.0-rc4-
> wl-ath-03682-gca2fd963 kconfig=x86_64-randconfig-n0-03210642
> commit=ca2fd9633ed4fe8a5ad56efb2fcef061a19f2e90 branch=linux-
> devel/devel-hourly-2015032023 root=/dev/ram0 max_uptime=3600
> RESULT_ROOT=/result/vm-kbuild-1G/boot/1/debian-x86_64-2015-02-
> 07.cgz/x86_64-randconfig-n0-
> 03210642/ca2fd9633ed4fe8a5ad56efb2fcef061a19f2e90/0 ip=::::vm-
> kbuild-1G-10::dhcp earlyprintk=ttyS0,115200 rd.udev.log-priority=err
> systemd.log_target=journal systemd.log_level=warning debug apic=debug
> sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1
> softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2
> prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal rw'  -
> initrd /fs/sdd1/initrd-vm-kbuild-1G-10 -m 1024 -smp 2 -net
> nic,vlan=1,model=e1000 -net user,vlan=1 -boot order=nc -no-reboot -
> watchdog i6300esb -rtc base=localtime -device virtio-scsi-pci,id=scsi0 -drive
> file=/fs/sdd1/disk0-vm-kbuild-1G-
> 10,if=none,id=hd0,media=disk,aio=native,cache=none -device scsi-
> hd,bus=scsi0.0,drive=hd0,scsi-id=1,lun=0 -drive file=/fs/sdd1/disk1-vm-
> kbuild-1G-10,if=none,id=hd1,media=disk,aio=native,cache=none -device scsi-
> hd,bus=scsi0.0,drive=hd1,scsi-id=1,lun=1 -drive file=/fs/sdd1/disk2-vm-
> kbuild-1G-10,if=none,id=hd2,media=disk,aio=native,cache=none -device scsi-
> hd,bus=scsi0.0,drive=hd2,scsi-id=1,lun=2 -drive file=/fs/sdd1/disk3-vm-
> kbuild-1G-10,if=none,id=hd3,media=disk,aio=native,cache=none -device scsi-
> hd,bus=scsi0.0,drive=hd3,scsi-id=1,lun=3 -drive file=/fs/sdd1/disk4-vm-
> kbuild-1G-10,if=none,id=hd4,media=disk,aio=native,cache=none -device scsi-
> hd,bus=scsi0.0,drive=hd4,scsi-id=1,lun=4 -pidfile /dev/shm/kboot/pid-vm-
> kbuild-1G-10 -serial file:/dev/shm/kboot/serial-vm-kbuild-1G-10 -daemonize -
> display none -monitor null
> 
> 
> 
> Thanks,
> Ying Huang