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Date: Mon, 19 May 2014 10:52:55 +0800
From: Jet Chen <jet.chen@...el.com>
To: alan.cox@...el.com
CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Fengguang Wu <fengguang.wu@...el.com>,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [goldfish] genirq: Flags mismatch irq 4. 00000000 (serial) vs.
00000080 (goldfish_pdev_bus)
forward to alan.cox@...el.com
On 05/19/2014 10:46 AM, Jet Chen wrote:
> Hi Alan,
>
> 0day kernel testing robot got the below dmesg and the first bad commit is
>
> git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git staging-next
> commit 9b17aeec232a5f0a61ce3952c2e728a0eeddda8b
> Author: Alan <alan@...x1-desk.ger.corp.intel.com>
> AuthorDate: Mon May 12 16:55:35 2014 +0100
> Commit: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> CommitDate: Thu May 15 13:19:01 2014 -0700
>
> goldfish: Allow 64bit builds
> We can now enable the 64bit option for the Goldfish 64bit emulator.
> Signed-off-by: Alan Cox <alan@...ux.intel.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
>
> +----------------------------------------------------------+------------+------------+
> | | b8658bc810 | 9b17aeec23 |
> +----------------------------------------------------------+------------+------------+
> | boot_successes | 60 | 0 |
> | boot_failures | 0 | 20 |
> | genirq:Flags_mismatch_irq.(serial)vs.(goldfish_pdev_bus) | 0 | 20 |
> +----------------------------------------------------------+------------+------------+
>
>
> [ 8.668148] ALSA device list:
> [ 8.668419] #0: Loopback 1
> [ 8.668677] #1: MTPAV on parallel port at 0x378
> [ 8.669432] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus)
> [ 8.671901] Freeing unused kernel memory: 1196K (ffffffff82bf0000 - ffffffff82d1b000)
> [ 8.672607] Write protecting the kernel read-only data: 18432k
> [ 8.673681] Freeing unused kernel memory: 80K (ffff880001bec000 - ffff880001c00000)
> [ 8.677081] Freeing unused kernel memory: 1076K (ffff8800020f3000 - ffff880002200000)
> [ 8.678569] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus)
> [ 8.679593] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus)
> [ 8.680682] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus)
> [ 8.681640] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus)
> [ 8.682609] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus)
> [ 8.684017] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus)
> [ 8.685239] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus)
> [ 8.692514] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus)
> [ 8.693570] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus)
> [ 8.694499] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus)
> [ 8.765477] gfs2: path_lookup on rootfs returned error -2
> [ 60.373367] spin_lock-torture: Writes: Total: 4 Max/Min: 0/0 Fail: 0 [ 69.215881] random: nonblocking pool is initialized
>
> git bisect start 0856ad1ef175c45dc6a0bc629ca355fdfbb1001e v3.14 --
> git bisect good 200bde278d78318cbd10cd865f94016924e76c56 # 16:16 20+ 0 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
> git bisect good 9ae8df66e6742271b49a1518c7bf0debdfc523cf # 16:32 20+ 0 Merge remote-tracking branch 'devicetree-current/devicetree/merge'
> git bisect good 77645accb67841c8557483afe029ec80a240d636 # 16:39 20+ 0 Merge remote-tracking branch 'drm/drm-next'
> git bisect good 21dd17170d63646851debe993194e46811dbdb1b # 16:47 20+ 0 Merge remote-tracking branch 'ftrace/for-next'
> git bisect good 2fa6c75b02c032252eaf3c0b8885ddb1b9ad4840 # 16:55 20+ 0 Merge remote-tracking branch 'usb-gadget/next'
> git bisect bad 7dc48a5c223dddebc2bb263d6e77edb557c11f6f # 17:00 0- 7 Merge remote-tracking branch 'dma-mapping/dma-mapping-next'
> git bisect bad a75b5bfa061c14e14261aed3771e2b174df72450 # 17:09 0- 8 Merge remote-tracking branch 'cgroup/for-next'
> git bisect bad 47bb948ff65de22da21d235cc768bba7802ad45f # 17:15 0- 12 Merge remote-tracking branch 'staging/staging-next'
> git bisect good d5cef008e95ffdaf457e38254e67d145a927df96 # 17:25 20+ 0 Merge tag 'iio-for-3.16a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
> git bisect good a1f3b3fdba2ab124c1e8c2b6aa17cfcf5c99d756 # 17:34 20+ 0 staging: rtl8188eu: Remove 'u32 ref_cnt' from struct recv_buf
> git bisect good be4c50604d22f0fd2c65853af18292f44d784b86 # 17:45 20+ 0 staging: rtl8723au: Eliminate RTW_STATUS_CODE23a()
> git bisect bad 2b46be68a1b67f40df4f288b90e79181c387eda6 # 17:53 0- 8 staging: dgnc: cleanup dgnc_finalize_board_init()
> git bisect good c7fff4e43ced0584bcbcef8a5f93bd9a813aac1b # 18:01 20+ 0 staging: rtl8723au: struct phy_info and struct odm_phy_info are identical
> git bisect bad f6279717bbb20bf90ec414af17d2a31d843f5eb5 # 18:12 0- 10 goldfish: clean up staging ifdefs
> git bisect good 0cc6c3ab3cdbcf8a4a103d27599a6d0b44a6c315 # 18:18 20+ 0 staging: rtl8723au: Remove unused pointer in rtw_wdev_free()
> git bisect good f10d8434201859d5ad7f51032dcd2d0c09e85ee2 # 18:25 20+ 0 goldfish: add support for 64bit to the virtual bus
> git bisect good b8658bc81089d656fe54b12e21f0cae5116b6483 # 18:33 20+ 0 goldfish: enable 64-bit tty driver
> git bisect bad 9b17aeec232a5f0a61ce3952c2e728a0eeddda8b # 18:39 0- 9 goldfish: Allow 64bit builds
> # first bad commit: [9b17aeec232a5f0a61ce3952c2e728a0eeddda8b] goldfish: Allow 64bit builds
> git bisect good b8658bc81089d656fe54b12e21f0cae5116b6483 # 18:41 60+ 0 goldfish: enable 64-bit tty driver
> git bisect bad 4151fa6adc65da14673ece623bbb2acc6936f8be # 18:41 0- 13 Add linux-next specific files for 20140516
> git bisect good 14186fea0cb06bc43181ce239efe0df6f1af260a # 18:48 60+ 0 Merge tag 'locks-v3.15-4' of git://git.samba.org/jlayton/linux
> git bisect bad 4151fa6adc65da14673ece623bbb2acc6936f8be # 18:48 0- 13 Add linux-next specific files for 20140516
>
>
> This script may reproduce the error.
>
> -----------------------------------------------------------------------------
> #!/bin/bash
>
> kernel=$1
> initrd=yocto-minimal-x86_64.cgz
>
> wget --no-clobber https://github.com/fengguang/reproduce-kernel-bug/blob/master/initrd/$initrd
>
> kvm=(
> qemu-system-x86_64 -cpu kvm64 -enable-kvm -kernel $kernel
> -initrd $initrd
> -smp 2
> -m 256M
> -net nic,vlan=0,macaddr=00:00:00:00:00:00,model=virtio
> -net user,vlan=0
> -net nic,vlan=1,model=e1000
> -net user,vlan=1
> -boot order=nc
> -no-reboot
> -watchdog i6300esb
> -serial stdio
> -display none
> -monitor null
> )
>
> append=(
> debug
> sched_debug
> apic=debug
> ignore_loglevel
> sysrq_always_enabled
> panic=10
> prompt_ramdisk=0
> earlyprintk=ttyS0,115200
> console=ttyS0,115200
> console=tty0
> vga=normal
> root=/dev/ram0
> rw
> )
>
> "${kvm[@]}" --append "${append[*]}"
> -----------------------------------------------------------------------------
>
> Thanks,
> Jet
>
--
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