linux-kernel - [lkp-robot] [x86/idt] fd1962ea6c: WARNING:at_arch/x86/kernel/idt.c:#update_intr

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Date:   Tue, 29 Aug 2017 09:40:19 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>, tipbuild@...or.com,
        lkp@...org
Subject: [lkp-robot] [x86/idt]  fd1962ea6c:
 WARNING:at_arch/x86/kernel/idt.c:#update_intr_gate


FYI, we noticed the following commit:

commit: fd1962ea6c9cb9be5991f9e304fedb3f9e5135d7 ("x86/idt: Hide set_intr_gate()")
https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git WIP.x86/apic

in testcase: boot

on test machine: qemu-system-x86_64 -enable-kvm -m 420M

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


+----------------------------------------------------+------------+------------+
|                                                    | 3eb0edaad2 | fd1962ea6c |
+----------------------------------------------------+------------+------------+
| boot_successes                                     | 12         | 0          |
| boot_failures                                      | 6          | 61         |
| BUG:kernel_hang_in_test_stage                      | 6          | 3          |
| WARNING:at_arch/x86/kernel/idt.c:#update_intr_gate | 0          | 61         |
| BUG:unable_to_handle_kernel                        | 0          | 61         |
| Oops:#[##]                                         | 0          | 61         |
| Kernel_panic-not_syncing:Fatal_exception           | 0          | 61         |
| BUG:kernel_in_stage                                | 0          | 12         |
+----------------------------------------------------+------------+------------+



[    0.000000] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/idt.c:355 update_intr_gate+0x11/0x1f
[    0.000000] Modules linked in:
[    0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.13.0-rc6-00089-gfd1962ea #64
[    0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[    0.000000] task: ffffffff9b628500 task.stack: ffffffff9b600000
[    0.000000] RIP: 0010:update_intr_gate+0x11/0x1f
[    0.000000] RSP: 0000:ffffffff9b603ed0 EFLAGS: 00010047
[    0.000000] RAX: 000000000000000e RBX: ffffffffffffffff RCX: 0000000000000001
[    0.000000] RDX: 00000000ffffffff RSI: ffffffff9ad80040 RDI: 000000000000000e
[    0.000000] RBP: ffffffff9b603ed8 R08: ffffffffffffffff R09: 0000000000000001
[    0.000000] R10: 00000000002f7000 R11: ffffffff9c8c93cc R12: ffff8de65a0e0d00
[    0.000000] R13: ffffffff9badc960 R14: ffffffff9bae4780 R15: 0000000000000000
[    0.000000] FS:  0000000000000000(0000) GS:ffff8de659e00000(0000) knlGS:0000000000000000
[    0.000000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    0.000000] CR2: ffff8de653adf000 CR3: 0000000012623000 CR4: 00000000000006b0
[    0.000000] Call Trace:
[    0.000000]  ? kvm_apf_trap_init+0x1a/0x1c
[    0.000000]  trap_init+0x4d/0x54
[    0.000000]  start_kernel+0x1dd/0x402
[    0.000000]  x86_64_start_reservations+0x24/0x26
[    0.000000]  x86_64_start_kernel+0x73/0x76
[    0.000000]  secondary_startup_64+0x9f/0x9f
[    0.000000] Code: c4 09 83 fb 20 75 eb 48 c7 c7 40 73 3b 9b ff 14 25 50 f8 64 9b 5b 41 5c 5d c3 e8 ed 7a 35 ff 89 f8 48 0f a3 05 03 4f 1b 00 73 03 <0f> ff c3 55 48 89 e5 e8 21 c8 63 fe 5d c3 e8 ce 7a 35 ff 55 31 
[    0.000000] ---[ end trace be658dd14e22cef1 ]---


To reproduce:

        git clone https://github.com/01org/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> job-script  # job-script is attached in this email



Thanks,
Xiaolong

View attachment "config-4.13.0-rc6-00089-gfd1962ea" of type "text/plain" (118067 bytes)

View attachment "job-script" of type "text/plain" (3933 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (4588 bytes)