From: Ye Xiaolong <xiaolong.ye@intel.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: "Bryan O'Donoghue" <pure.logic@nexus-software.ie>,
Greg Kroah-Hartman <gregkh@google.com>,
LKML <linux-kernel@vger.kernel.org>,
Stephen Rothwell <sfr@canb.auug.org.au>, LKP ML <lkp@01.org>,
Alex Elder <elder@linaro.org>, Johan Hovold <johan@kernel.org>
Subject: Re: [lkp] [staging] d4f56b47a8: divide error: 0000 [#1] PREEMPT SMP KASAN
Date: Fri, 30 Sep 2016 14:14:47 +0800 [thread overview]
Message-ID: <20160930061447.GA28248@yexl-desktop> (raw)
In-Reply-To: <CAOh2x==k3zUoReCmmTNwpgVuKrthtpxVWgyw7BjKZwm5DO=W5w@mail.gmail.com>
On 09/30, Viresh Kumar wrote:
>On Fri, Sep 30, 2016 at 7:29 AM, kernel test robot
><xiaolong.ye@intel.com> wrote:
>>
>>
>> FYI, we noticed the following commit:
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
>> commit d4f56b47a8fac90b15adfae80a42a2735d6b3213 ("staging: greybus: Add drivers/staging/greybus to the build")
>>
>> in testcase: trinity
>> with following parameters:
>>
>> runtime: 300s
>>
>>
>> Trinity is a linux system call fuzz tester.
>>
>>
>> on test machine: qemu-system-x86_64 -enable-kvm -m 512M
>>
>> caused below changes:
>>
>>
>> +------------------------------------------------+------------+------------+
>> | | 526dec0642 | d4f56b47a8 |
>> +------------------------------------------------+------------+------------+
>> | boot_successes | 5 | 0 |
>> | boot_failures | 8 | 12 |
>> | calltrace:SyS_open | 8 | |
>> | invoked_oom-killer:gfp_mask=0x | 1 | |
>> | Mem-Info | 1 | |
>> | IP-Config:Auto-configuration_of_network_failed | 2 | |
>> | BUG:kernel_hang_in_test_stage | 6 | |
>> | divide_error:#[##]PREEMPT_SMP_KASAN | 0 | 12 |
>> | RIP:gb_timesync_init | 0 | 12 |
>> | calltrace:gb_init | 0 | 12 |
>> | Kernel_panic-not_syncing:Fatal_exception | 0 | 12 |
>> +------------------------------------------------+------------+------------+
>>
>>
>>
>> [ 16.795543] FPGA image file name: xlinx_fpga_firmware.bit
>> [ 16.796615] GPIO INIT FAIL!!
>> [ 16.799462] Unable to find a compatible ARMv7 timer
>> [ 16.799948] divide error: 0000 [#1] PREEMPT SMP KASAN
>> [ 16.800459] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.0-rc6-02364-gd4f56b4 #29
>> [ 16.801197] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
>> [ 16.802055] task: ffff88001a124000 task.stack: ffff88001a140000
>> [ 16.802645] RIP: 0010:[<ffffffff82f67e97>] [<ffffffff82f67e97>] gb_timesync_init+0x35/0x78
>> [ 16.803534] RSP: 0000:ffff88001a147e58 EFLAGS: 00010246
>> [ 16.804040] RAX: 00038d7ea4c68000 RBX: 0000000000000000 RCX: ffffffff8114ea41
>> [ 16.804716] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88001a124c2c
>> [ 16.805393] RBP: ffff88001a147e60 R08: 0000000000000001 R09: 0000000000000000
>> [ 16.806066] R10: ffff88001a147d70 R11: ffffffff83cddb35 R12: ffffffff82f67cc6
>> [ 16.806744] R13: 0000000000000000 R14: ffffffff82fbe8b0 R15: ffffffff82fbe8f8
>> [ 16.807421] FS: 0000000000000000(0000) GS:ffff88001a400000(0000) knlGS:0000000000000000
>> [ 16.808185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>> [ 16.808728] CR2: 0000000000000000 CR3: 0000000002c0a000 CR4: 00000000000006b0
>> [ 16.809405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>> [ 16.810078] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>> [ 16.810752] Stack:
>> [ 16.811058] 0000000000000000 ffff88001a147e78 ffffffff82f67d45 00000000ffffffff
>> [ 16.811819] ffff88001a147ee8 ffffffff82efe339 ffffffff82b89800 0000000000000012
>> [ 16.812576] ffff88001fa80fe5 0000000000000000 ffffffff82b0495f 0000000000000006
>> [ 16.813332] Call Trace:
>> [ 16.813577] [<ffffffff82f67d45>] gb_init+0x7f/0xb3
>> [ 16.814045] [<ffffffff82efe339>] do_one_initcall+0x9a/0x12c
>> [ 16.814588] [<ffffffff82efe57b>] kernel_init_freeable+0x1b0/0x246
>> [ 16.815180] [<ffffffff82404a51>] kernel_init+0xc/0x108
>> [ 16.815679] [<ffffffff8240e40f>] ret_from_fork+0x1f/0x40
>> [ 16.816197] [<ffffffff82404a45>] ? rest_init+0x13c/0x13c
>> [ 16.816724] Code: 85 c0 89 c3 74 12 48 c7 c7 64 ae b4 82 31 c0 e8 40 b5 27 fe 89 d8 eb 53 e8 cb 55 23 ff 31 d2 89 c6 48 b8 00 80 c6 a4 7e 8d 03 00 <48> f7 f6 31 d2 48 c7 c7 84 ae b4 82 48 89 35 de 65 64 01 48 89
>> [ 16.819509] RIP [<ffffffff82f67e97>] gb_timesync_init+0x35/0x78
>> [ 16.820094] RSP <ffff88001a147e58>
>> [ 16.820548] ---[ end trace c73ba0f929e81492 ]---
>> [ 16.821001] Kernel panic - not syncing: Fatal exception
>
>Can you please confirm if below patch fixes it for you ?
>
>https://marc.info/?l=linux-kernel&m=147490908100954
This error is gone with this fix.
Tested-by: Xiaolong Ye <xiaolong.ye@intel.com>
Thanks,
Xiaolong
next prev parent reply other threads:[~2016-09-30 6:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-30 1:59 [lkp] [staging] d4f56b47a8: divide error: 0000 [#1] PREEMPT SMP KASAN kernel test robot
2016-09-30 2:30 ` Viresh Kumar
2016-09-30 2:52 ` Ye Xiaolong
2016-09-30 6:14 ` Ye Xiaolong [this message]
2016-09-30 9:51 ` Greg KH
2016-09-30 10:18 ` [LKP] " Fengguang Wu
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