linux-kernel - [lkp] [qedr] 2e0cbc4dd0: general protection fault: 0000 [#1] PREEMPT SMP

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Date:   Mon, 24 Oct 2016 10:30:58 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Ram Amrani <Ram.Amrani@...ium.com>
Cc:     Doug Ledford <dledford@...hat.com>,
        Rajesh Borundia <rajesh.borundia@...ium.com>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp] [qedr]  2e0cbc4dd0: general protection fault: 0000 [#1]
 PREEMPT SMP


FYI, we noticed the following commit:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 2e0cbc4dd077aea4f1693583fd68eaed4d60464b ("qedr: Add RoCE driver framework")

in testcase: boot

on test machine: qemu-system-x86_64 -enable-kvm -cpu host -smp 2 -m 1G

caused below changes:


+-------------------------------------------------------+------------+------------+
|                                                       | e9f8f48bca | 2e0cbc4dd0 |
+-------------------------------------------------------+------------+------------+
| boot_successes                                        | 0          | 0          |
| boot_failures                                         | 12         | 12         |
| BUG:key_not_in.data                                   | 12         | 12         |
| WARNING:at_kernel/locking/lockdep.c:#lockdep_init_map | 12         | 12         |
| calltrace:vhci_hcd_init                               | 12         | 12         |
| general_protection_fault:#[##]PREEMPT_SMP             | 0          | 7          |
| RIP:string                                            | 0          | 7          |
| calltrace:qedr_init_module                            | 0          | 7          |
| Kernel_panic-not_syncing:Fatal_exception              | 0          | 7          |
+-------------------------------------------------------+------------+------------+

[   16.053498] general protection fault: 0000 [#1] PREEMPT SMP
[   16.054730] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G        W       4.8.0-14645-g2e0cbc4 #1
[   16.056850] task: ffff880000284000 task.stack: ffffc90000194000
[   16.058104] RIP: 0010:[<ffffffff81567b54>]  [<ffffffff81567b54>] string+0x24/0x80
[   16.059852] RSP: 0000:ffffc90000197d18  EFLAGS: 00010086
[   16.061390] RAX: 000543a8000543a5 RBX: ffffffff852d6360 RCX: ffff0a00ffffff04
[   16.063102] RDX: 000543a8000543a4 RSI: ffffffffffffffff RDI: ffffffff852d5fa1
[   16.064710] RBP: ffffc90000197d18 R08: fffffffffffffffe R09: ffffffff852d6360
[   16.066207] R10: ffffc90000197e70 R11: ffffffff852d5fa0 R12: 00000000000003e0
[   16.067683] R13: ffffffff82abebd3 R14: ffffffff82abebd3 R15: ffffffff852d5fa1
[   16.069210] FS:  0000000000000000(0000) GS:ffff88003bc00000(0000) knlGS:0000000000000000
[   16.070914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.072176] CR2: 0000000000000000 CR3: 0000000002c2d000 CR4: 00000000000006f0
[   16.073665] Stack:
[   16.074119]  ffffc90000197d70 ffffffff815691ac 0000000000000001 ffffffff852d5f80
[   16.075789]  ffffc90000197e10 ffff0a00ffffff04 00000000000003e0 00000000ffffffff
[   16.077450]  0000000000000000 ffffffff82abebc8 0000000000000000 ffffc90000197d88
[   16.079079] Call Trace:
[   16.079596]  [<ffffffff815691ac>] vsnprintf+0x29c/0x550
[   16.080696]  [<ffffffff8156983d>] vscnprintf+0xd/0x30
[   16.081849]  [<ffffffff81157bc2>] vprintk_emit+0x2a2/0x4b0
[   16.082978]  [<ffffffff819dfeaa>] ? qede_roce_register_driver+0x1a/0x130
[   16.101489]  [<ffffffff8425f756>] ? do_early_param+0x8f/0x8f
[   16.102603]  [<ffffffff81157f4a>] vprintk_default+0x1a/0x20
[   16.103740]  [<ffffffff811bca02>] printk+0x43/0x4b
[   16.104706]  [<ffffffff819dffb2>] qede_roce_register_driver+0x122/0x130
[   16.106317]  [<ffffffff842ac2ce>] ? ocrdma_init_module+0x17/0x17
[   16.107510]  [<ffffffff842ac2de>] qedr_init_module+0x10/0x12
[   16.108620]  [<ffffffff842600a3>] do_one_initcall+0x8b/0x11f
[   16.109764]  [<ffffffff8425f756>] ? do_early_param+0x8f/0x8f
[   16.110909]  [<ffffffff84260249>] kernel_init_freeable+0x112/0x1ab
[   16.112120]  [<ffffffff82203f50>] ? rest_init+0x140/0x140
[   16.113433]  [<ffffffff82203f59>] kernel_init+0x9/0xf0
[   16.114491]  [<ffffffff82214cea>] ret_from_fork+0x2a/0x40
[   16.115569] Code: 5d 5d c3 0f 1f 40 00 55 49 89 f1 48 89 ce 48 c1 fe 30 48 81 fa ff 0f 00 00 48 89 e5 4c 8d 46 ff 76 3e 48 85 f6 74 35 48 8d 42 01 <0f> b6 12 84 d2 75 10 eb 28 48 83 c0 01 0f b6 50 ff 84 d2 75 07 
[   16.121283] RIP  [<ffffffff81567b54>] string+0x24/0x80
[   16.122324]  RSP <ffffc90000197d18>
[   16.123060] ---[ end trace 1e5e1bdb56a920c0 ]---
[   16.123983] Kernel panic - not syncing: Fatal exception
[   16.125113] Kernel Offset: disabled


To reproduce:

        git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/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-4.8.0-14645-g2e0cbc4" of type "text/plain" (120464 bytes)

View attachment "job-script" of type "text/plain" (3943 bytes)

Download attachment "dmesg.xz" of type "application/octet-stream" (15020 bytes)