From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758766AbcAUFrS (ORCPT ); Thu, 21 Jan 2016 00:47:18 -0500 Received: from mga02.intel.com ([134.134.136.20]:3881 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751037AbcAUFrO (ORCPT ); Thu, 21 Jan 2016 00:47:14 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,324,1449561600"; d="scan'208";a="637603521" From: "Huang\, Ying" To: Sudip Mukherjee Cc: "Huang\, Ying" , Sudip Mukherjee , Mark Brown , , LKML Subject: Re: [LKP] [lkp] [spi] 2baed30cb3: BUG: scheduling while atomic: systemd-udevd/134/0x00000002 References: <87bn8h5bbe.fsf@yhuang-dev.intel.com> <20160120044247.GA3238@sudip-pc> <87a8o0yhdz.fsf@yhuang-dev.intel.com> <20160121053310.GA4782@sudip-pc> Date: Thu, 21 Jan 2016 13:47:10 +0800 In-Reply-To: <20160121053310.GA4782@sudip-pc> (Sudip Mukherjee's message of "Thu, 21 Jan 2016 11:03:10 +0530") Message-ID: <87oacfqyap.fsf@yhuang-dev.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sudip Mukherjee writes: > On Wed, Jan 20, 2016 at 01:00:40PM +0800, Huang, Ying wrote: >> Sudip Mukherjee writes: >> >> > On Wed, Jan 20, 2016 at 08:44:37AM +0800, kernel test robot wrote: >> >> FYI, we noticed the below changes on >> >> >> >> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master >> >> commit 2baed30cb30727b2637d26eac5a8887875a13420 ("spi: lm70llp: use new parport device model") >> >> >> >> >> >> +----------------+------------+------------+ >> >> | | 74bdced4b4 | 2baed30cb3 | >> >> +----------------+------------+------------+ >> >> | boot_successes | 0 | 0 | >> >> +----------------+------------+------------+ >> >> >> >> >> >> >> >> [ 6.358390] i6300esb: Intel 6300ESB WatchDog Timer Driver v0.05 >> >> [ 6.358540] i6300esb: cannot register miscdev on minor=130 (err=-16) >> >> [ 6.358555] i6300ESB timer: probe of 0000:00:06.0 failed with error -16 >> >> [ 6.363357] BUG: scheduling while atomic: systemd-udevd/134/0x00000002 >> >> [ 6.363366] Modules linked in: crc32c_intel pcspkr evdev i6300esb >> >> ide_cd_mod cdrom intel_agp intel_gtt i2c_piix4 i2c_core virtio_pci >> >> virtio virtio_ring agpgart rtc_cmos(+) parport_pc(+) autofs4 >> >> [ 6.363369] CPU: 1 PID: 134 Comm: systemd-udevd Not tainted 4.4.0-rc1-00006-g2baed30 #1 >> >> [ 6.363370] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 >> > >> > Can you please let me know how do i reproduce this on qemu? what command >> > line you used? >> >> The command line can be found in the last line of dmesg file, as below. >> >> qemu-system-x86_64 -enable-kvm -cpu host -kernel >> /pkg/linux/x86_64-randconfig-a0-01191454/gcc-5/2baed30cb30727b2637d26eac5a8887875a13420/vmlinuz-4.4.0-rc1-00006-g2baed30 >> -append 'root=/dev/ram0 user=lkp >> job=/lkp/scheduled/vm-lkp-wsx03-2G-2/bisect_boot-1-debian-x86_64-2015-02-07.cgz-x86_64-randconfig-a0-01191454-2baed30cb30727b2637d26eac5a8887875a13420-20160119-71002-198dtgm-0.yaml >> ARCH=x86_64 kconfig=x86_64-randconfig-a0-01191454 >> branch=linux-devel/devel-spot-201601191442 >> commit=2baed30cb30727b2637d26eac5a8887875a13420 >> BOOT_IMAGE=/pkg/linux/x86_64-randconfig-a0-01191454/gcc-5/2baed30cb30727b2637d26eac5a8887875a13420/vmlinuz-4.4.0-rc1-00006-g2baed30 >> max_uptime=600 >> RESULT_ROOT=/result/boot/1/vm-lkp-wsx03-2G/debian-x86_64-2015-02-07.cgz/x86_64-randconfig-a0-01191454/gcc-5/2baed30cb30727b2637d26eac5a8887875a13420/0 >> LKP_SERVER=inn earlyprintk=ttyS0,115200 systemd.log_level=err 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 ip=::::vm-lkp-wsx03-2G-2::dhcp' -initrd >> /fs/sda1/initrd-vm-lkp-wsx03-2G-2 -m 2048 -smp 2 -device >> e1000,netdev=net0 -netdev user,id=net0,hostfwd=tcp::23621-:22 -boot >> order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -drive >> file=/fs/sda1/disk0-vm-lkp-wsx03-2G-2,media=disk,if=virtio -drive >> file=/fs/sda1/disk1-vm-lkp-wsx03-2G-2,media=disk,if=virtio -pidfile >> /dev/shm/kboot/pid-vm-lkp-wsx03-2G-2 -serial >> file:/dev/shm/kboot/serial-vm-lkp-wsx03-2G-2 -daemonize -display >> none -monitor null > > I am not able to reproduce this. Tested just with the kernel and > yocto-minimal-i386.cgz filesystem and it booted properly. > > I guess I need atleast your job file to reproduce this. This is a boot test so I did not attached the job file. But the test result may depends on specific root file system. For example, the process when BUG report is always systemd-udevd. Maybe you need a systemd based root file system. Best Regards, Huang, Ying