From: Jiang Liu <jiang.liu@linux.intel.com>
To: lkp@lists.01.org
Subject: Re: [x86, irq] BUG: kernel boot hang
Date: Thu, 13 Nov 2014 22:08:11 +0800 [thread overview]
Message-ID: <5464BB4B.7010505@linux.intel.com> (raw)
In-Reply-To: <20141113134139.GA22488@wfg-t540p.sh.intel.com>
[-- Attachment #1: Type: text/plain, Size: 2532 bytes --]
Hi Fengguang,
This seems like a bug caused by my changes, several
bisecting report the same commit. There's some subtle changes
in the way to write IOAPIC registers, will check it tomorrow:)
Thanks!
Gerry
On 2014/11/13 21:41, Fengguang Wu wrote:
>
> Hi Jiang,
>
> This is another bisect result.
>
> https://github.com/jiangliu/linux.git irqdomain/p4v2
> commit b8c2d075135a41f69254a75c4f26162559503ab4 ("x86, irq: Use cached IOAPIC entry instead of reading from hardware")
>
>
> +----------------------+------------+------------+
> | | 384c30d19a | b8c2d07513 |
> +----------------------+------------+------------+
> | boot_successes | 20 | 5 |
> | early-boot-hang | 1 | |
> | boot_failures | 0 | 15 |
> | BUG:kernel_boot_hang | 0 | 15 |
> +----------------------+------------+------------+
>
>
> [ 289.616037] Waiting up to 30 more seconds for network.
> [ 299.616037] Waiting up to 20 more seconds for network.
>
> BUG: kernel boot hang
> Elapsed time: 310
> qemu-system-x86_64 -enable-kvm -kernel /kernel/x86_64-lkp/349d0daa5e14b9b402a2dea3e602ef1cb109173b/vmlinuz-3.18.0-rc3-g349d0da -append 'user=lkp job=/lkp/scheduled/vm-vp-quantal-x86_64-27/rand_boot-1-quantal-core-x86_64.cgz-x86_64-lkp-349d0daa5e14b9b402a2dea3e602ef1cb109173b-1.yaml ARCH=x86_64 BOOT_IMAGE=/kernel/x86_64-lkp/349d0daa5e14b9b402a2dea3e602ef1cb109173b/vmlinuz-3.18.0-rc3-g349d0da kconfig=x86_64-lkp commit=349d0daa5e14b9b402a2dea3e602ef1cb109173b branch=jiangliu/irqdomain/p4v2 root=/dev/ram0 max_uptime=3600 RESULT_ROOT=/result/vm-vp-quantal-x86_64/boot/1/quantal-core-x86_64.cgz/x86_64-lkp/349d0daa5e14b9b402a2dea3e602ef1cb109173b/0 ip=::::vm-vp-quantal-x86_64-27::dhcp earlyprintk=ttyS0,115200 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 drbd.minor_count=8' -initrd /fs/sdf1/initrd-vm-vp-quantal-x86_64-27 -m 3
60 -smp 2 -net nic,vlan=1,model=e1000 -net user,vlan=1 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-vm-vp-quantal-x86_64-27 -serial file:/dev/shm/kboot/serial-vm-vp-quantal-x86_64-27 -daemonize -display none -monitor null
>
>
>
> Thanks,
> Fengguang
>
>
>
> _______________________________________________
> LKP mailing list
> LKP(a)linux.intel.com
>
WARNING: multiple messages have this Message-ID (diff)
From: Jiang Liu <jiang.liu@linux.intel.com>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: LKP <lkp@01.org>,
linux-kernel@vger.kernel.org, Yuanhan Liu <yuanhan.liu@intel.com>
Subject: Re: [x86, irq] BUG: kernel boot hang
Date: Thu, 13 Nov 2014 22:08:11 +0800 [thread overview]
Message-ID: <5464BB4B.7010505@linux.intel.com> (raw)
In-Reply-To: <20141113134139.GA22488@wfg-t540p.sh.intel.com>
Hi Fengguang,
This seems like a bug caused by my changes, several
bisecting report the same commit. There's some subtle changes
in the way to write IOAPIC registers, will check it tomorrow:)
Thanks!
Gerry
On 2014/11/13 21:41, Fengguang Wu wrote:
>
> Hi Jiang,
>
> This is another bisect result.
>
> https://github.com/jiangliu/linux.git irqdomain/p4v2
> commit b8c2d075135a41f69254a75c4f26162559503ab4 ("x86, irq: Use cached IOAPIC entry instead of reading from hardware")
>
>
> +----------------------+------------+------------+
> | | 384c30d19a | b8c2d07513 |
> +----------------------+------------+------------+
> | boot_successes | 20 | 5 |
> | early-boot-hang | 1 | |
> | boot_failures | 0 | 15 |
> | BUG:kernel_boot_hang | 0 | 15 |
> +----------------------+------------+------------+
>
>
> [ 289.616037] Waiting up to 30 more seconds for network.
> [ 299.616037] Waiting up to 20 more seconds for network.
>
> BUG: kernel boot hang
> Elapsed time: 310
> qemu-system-x86_64 -enable-kvm -kernel /kernel/x86_64-lkp/349d0daa5e14b9b402a2dea3e602ef1cb109173b/vmlinuz-3.18.0-rc3-g349d0da -append 'user=lkp job=/lkp/scheduled/vm-vp-quantal-x86_64-27/rand_boot-1-quantal-core-x86_64.cgz-x86_64-lkp-349d0daa5e14b9b402a2dea3e602ef1cb109173b-1.yaml ARCH=x86_64 BOOT_IMAGE=/kernel/x86_64-lkp/349d0daa5e14b9b402a2dea3e602ef1cb109173b/vmlinuz-3.18.0-rc3-g349d0da kconfig=x86_64-lkp commit=349d0daa5e14b9b402a2dea3e602ef1cb109173b branch=jiangliu/irqdomain/p4v2 root=/dev/ram0 max_uptime=3600 RESULT_ROOT=/result/vm-vp-quantal-x86_64/boot/1/quantal-core-x86_64.cgz/x86_64-lkp/349d0daa5e14b9b402a2dea3e602ef1cb109173b/0 ip=::::vm-vp-quantal-x86_64-27::dhcp earlyprintk=ttyS0,115200 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 drbd.minor_count=8' -initrd /fs/sdf1/initrd-vm-vp-quantal-x86_64-27 -m 3
60 -smp 2 -net nic,vlan=1,model=e1000 -net user,vlan=1 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-vm-vp-quantal-x86_64-27 -serial file:/dev/shm/kboot/serial-vm-vp-quantal-x86_64-27 -daemonize -display none -monitor null
>
>
>
> Thanks,
> Fengguang
>
>
>
> _______________________________________________
> LKP mailing list
> LKP@linux.intel.com
>
next prev parent reply other threads:[~2014-11-13 14:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-13 12:39 [x86, irq] INFO: task swapper/0:1 blocked for more than 120 seconds Fengguang Wu
2014-11-13 12:39 ` Fengguang Wu
2014-11-13 13:41 ` [x86, irq] BUG: kernel boot hang Fengguang Wu
2014-11-13 13:41 ` Fengguang Wu
2014-11-13 14:08 ` Jiang Liu [this message]
2014-11-13 14:08 ` Jiang Liu
-- strict thread matches above, loose matches on Subject: below --
2014-11-10 5:39 lkp
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