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Date: Wed, 16 Jul 2014 12:19:59 +0800
From: Aaron Lu <aaron.lu@...el.com>
To: Jiang Liu <jiang.liu@...ux.intel.com>
CC: Thomas Gleixner <tglx@...utronix.de>,
LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [x86, irq, ACPI] WARNING: CPU: 13 PID: 11079 at fs/proc/generic.c:521
remove_proc_entry+0x19f/0x1b0()
FYI, we noticed the below changes on
git://internal_merge_and_test_tree devel-athens-arm-201406220544
commit 6a38fa0e3c94dfd1394a71a2d47c9c4d47367374 ("x86, irq, ACPI: Release IOAPIC pin when PCI device is disabled")
+----------------------------------------------------------+------------+------------+
| | df334bead7 | 6a38fa0e3c |
+----------------------------------------------------------+------------+------------+
| boot_successes | 25 | 10 |
| early-boot-hang | 1 | |
| boot_failures | 0 | 8 |
| WARNING:CPU:PID:at_fs/proc/generic.c:remove_proc_entry() | 0 | 8 |
| backtrace:SYSC_reboot | 0 | 8 |
| backtrace:SyS_reboot | 0 | 8 |
+----------------------------------------------------------+------------+------------+
kexecing...
kexec -l /tmp//kernel/x86_64-rhel/aab037e6194df2251b558935d1ed497678a28a98/vmlinuz-3.16.0-rc5-01780-gaab037e --initrd=/tmp/initrd-10749 --append="user=lkp job=/lkp/scheduled/ivb43/cyclic_netperf-300s-25%-SCTP_STREAM-HEAD-aab037e6194df2251b558935d1ed497678a28a98.yaml ARCH=x86_64 BOOT_IMAGE=/kernel/x86_64-rhel/aab037e6194df2251b558935d1ed497678a28a98/vmlinuz-3.16.0-rc5-01780-gaab037e kconfig=x86_64-rhel commit=aab037e6194df2251b558935d1ed497678a28a98 initrd=/kernel-tests/initrd/lkp-rootfs.cgz root=/dev/ram0 bm_initrd=/lkp/benchmarks/netperf.cgz modules_initrd=/kernel/x86_64-rhel/aab037e6194df2251b558935d1ed497678a28a98/modules.cgz max_uptime=1500 RESULT_ROOT=/result/ivb43/netperf/300s-25%-SCTP_STREAM/x86_64-rhel/aab037e6194df2251b558935d1ed497678a28a98/0 ip=::::ivb43::dhcp oops=panic earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=
tty0 vga=normal"
[ 337.887999] remove_proc_entry: removing non-empty directory 'irq/20', leaking at least 'ehci_hcd:usb2'
[ 337.898418] Modules linked in: sctp ipmi_watchdog dm_mod fuse mgag200 syscopyarea sysfillrect snd_pcm sysimgblt ttm snd_timer ahci drm_kms_helper libahci snd sb_edac soundcore libata drm edac_core i2c_i801 pcspkr wmi ipmi_si ipmi_msghandler
[ 337.922594] CPU: 37 PID: 11079 Comm: kexec Not tainted 3.16.0-rc5-01780-gaab037e #1
[ 337.931164] Hardware name: Intel Corporation S2600WP/S2600WP, BIOS SE5C600.86B.02.02.0002.122320131210 12/23/2013
[ 337.942650] 0000000000000009 ffff880ffd1e3b30 ffffffff8182cb42 ffff880ffd1e3b78
[ 337.950976] ffff880ffd1e3b68 ffffffff8106d0cd ffff8808108e3a00 0000000000000002
[ 337.959316] ffff880ffd1e3c3e ffff880801a60ab0 ffff8808108e3a75 ffff880ffd1e3bc8
[ 337.967653] Call Trace:
[ 337.970396] [<ffffffff8182cb42>] dump_stack+0x4d/0x66
[ 337.976153] [<ffffffff8106d0cd>] warn_slowpath_common+0x7d/0xa0
[ 337.982867] [<ffffffff8106d13c>] warn_slowpath_fmt+0x4c/0x50
[ 337.989303] [<ffffffff81233ccf>] remove_proc_entry+0x19f/0x1b0
[ 337.995931] [<ffffffff810d111f>] unregister_irq_proc+0xbf/0xd0
[ 338.002558] [<ffffffff810cb031>] free_desc+0x31/0x90
[ 338.008212] [<ffffffff810cb0cc>] irq_free_descs+0x3c/0x80
[ 338.014354] [<ffffffff810d08b6>] irq_dispose_mapping+0x36/0x50
[ 338.020983] [<ffffffff8104b741>] mp_unmap_irq+0x81/0xb0
[ 338.026932] [<ffffffff81041ed1>] acpi_unregister_gsi_ioapic+0x31/0x40
[ 338.034239] [<ffffffff81041dd7>] acpi_unregister_gsi+0x17/0x20
[ 338.040869] [<ffffffff814546a5>] acpi_pci_irq_disable+0x8f/0x98
[ 338.047594] [<ffffffff816dbaa0>] pcibios_disable_device+0x20/0x30
[ 338.054517] [<ffffffff81411e72>] do_pci_disable_device+0x52/0x60
[ 338.061338] [<ffffffff81411ec8>] pci_disable_device+0x48/0xb0
[ 338.067870] [<ffffffff8162004f>] usb_hcd_pci_shutdown+0x3f/0x50
[ 338.074593] [<ffffffff81413f96>] pci_device_shutdown+0x36/0x70
[ 338.081222] [<ffffffff814e2a38>] device_shutdown+0xc8/0x180
[ 338.087558] [<ffffffff810966f6>] kernel_restart_prepare+0x36/0x40
[ 338.094479] [<ffffffff810f150f>] kernel_kexec+0x15f/0x180
[ 338.100620] [<ffffffff81096ae5>] SYSC_reboot+0x215/0x240
[ 338.106667] [<ffffffff811de9a4>] ? dentry_free+0x34/0x40
[ 338.112710] [<ffffffff811dfa23>] ? __dentry_kill+0x153/0x1e0
[ 338.119146] [<ffffffff811dfb55>] ? dput+0xa5/0x180
[ 338.124608] [<ffffffff811e8874>] ? mntput+0x24/0x40
[ 338.130168] [<ffffffff811cae53>] ? __fput+0x1a3/0x230
[ 338.135922] [<ffffffff8108d62c>] ? task_work_run+0xcc/0xe0
[ 338.142164] [<ffffffff81013c27>] ? do_notify_resume+0x97/0xb0
[ 338.148696] [<ffffffff81096bae>] SyS_reboot+0xe/0x10
[ 338.154353] [<ffffffff81835969>] system_call_fastpath+0x16/0x1b
[ 338.161078] ---[ end trace 658129a0d50846f5 ]---
[ 338.166362] ------------[ cut here ]------------
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
Thanks,
Aaron
View attachment "reproduce" of type "text/plain" (3937 bytes)
View attachment ".dmesg" of type "text/plain" (122937 bytes)
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