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Date: Thu, 6 Aug 2015 19:28:12 -0700
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: kernel test robot <ying.huang@...el.com>,
David Kershner <david.kershner@...sys.com>, lkp@...org,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [lkp] [staging] 68905a14e49: kernel BUG at
drivers/base/driver.c:153!
On Sat, Aug 01, 2015 at 01:12:05PM +0800, kernel test robot wrote:
> FYI, we noticed the below changes on
>
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> commit 68905a14e49c97bf49dacd753e40ddd5b254e2ad ("staging: unisys: Add s-Par visornic ethernet driver")
>
>
> +------------------------------------------------------------------+------------+------------+
> | | dbb9d61994 | 68905a14e4 |
> +------------------------------------------------------------------+------------+------------+
> | boot_successes | 0 | 0 |
> | boot_failures | 11 | 11 |
> | invoked_oom-killer:gfp_mask=0x | 11 | |
> | Mem-Info | 11 | |
> | Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 11 | |
> | backtrace:lock_torture_stats | 11 | |
> | kernel_BUG_at_drivers/base/driver.c | 0 | 11 |
> | invalid_opcode | 0 | 11 |
> | RIP:driver_register | 0 | 11 |
> | Kernel_panic-not_syncing:Fatal_exception | 0 | 11 |
> | backtrace:visornic_init | 0 | 11 |
> | backtrace:kernel_init_freeable | 0 | 11 |
> +------------------------------------------------------------------+------------+------------+
>
>
> [ 12.273990] GPIO INIT FAIL!!
> [ 12.275607] ------------[ cut here ]------------
> [ 12.275607] ------------[ cut here ]------------
> [ 12.276231] kernel BUG at drivers/base/driver.c:153!
> [ 12.276231] kernel BUG at drivers/base/driver.c:153!
> [ 12.276231] invalid opcode: 0000 [#1]
> [ 12.276231] invalid opcode: 0000 [#1] PREEMPT PREEMPT SMP SMP
>
> [ 12.276231] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.1.0-rc7-01053-g68905a1 #1
> [ 12.276231] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.1.0-rc7-01053-g68905a1 #1
> [ 12.276231] task: ffff88000019c000 ti: ffff8800001a0000 task.ti: ffff8800001a0000
> [ 12.276231] task: ffff88000019c000 ti: ffff8800001a0000 task.ti: ffff8800001a0000
> [ 12.276231] RIP: 0010:[<ffffffff81b68e78>]
> [ 12.276231] RIP: 0010:[<ffffffff81b68e78>] [<ffffffff81b68e78>] driver_register+0xa8/0xe0
> [<ffffffff81b68e78>] driver_register+0xa8/0xe0
> [ 12.276231] RSP: 0018:ffff8800001a3e30 EFLAGS: 00010246
> [ 12.276231] RSP: 0018:ffff8800001a3e30 EFLAGS: 00010246
> [ 12.276231] RAX: 0000000000000000 RBX: ffffffff82faef80 RCX: 0000000000000000
> [ 12.276231] RAX: 0000000000000000 RBX: ffffffff82faef80 RCX: 0000000000000000
> [ 12.276231] RDX: 0000000000000000 RSI: ffffffff82fae400 RDI: ffffffff82faefe0
> [ 12.276231] RDX: 0000000000000000 RSI: ffffffff82fae400 RDI: ffffffff82faefe0
> [ 12.276231] RBP: ffff8800001a3e78 R08: ffff880011279b00 R09: 0000000000000000
> [ 12.276231] RBP: ffff8800001a3e78 R08: ffff880011279b00 R09: 0000000000000000
> [ 12.276231] R10: ffff880011279b00 R11: 0000000000000000 R12: ffffffff82faefe0
> [ 12.276231] R10: ffff880011279b00 R11: 0000000000000000 R12: ffffffff82faefe0
> [ 12.276231] R13: 0000000000000000 R14: ffffffff8205aab0 R15: 0000000000000000
> [ 12.276231] R13: 0000000000000000 R14: ffffffff8205aab0 R15: 0000000000000000
> [ 12.276231] FS: 0000000000000000(0000) GS:ffff880013800000(0000) knlGS:0000000000000000
> [ 12.276231] FS: 0000000000000000(0000) GS:ffff880013800000(0000) knlGS:0000000000000000
> [ 12.276231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 12.276231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 12.276231] CR2: 00007f594be968ec CR3: 0000000002e08000 CR4: 00000000000406b0
> [ 12.276231] CR2: 00007f594be968ec CR3: 0000000002e08000 CR4: 00000000000406b0
> [ 12.276231] Stack:
> [ 12.276231] Stack:
> [ 12.276231] ffffffff82055977
> [ 12.276231] ffffffff82055977 0000000000000100 0000000000000100 0000000000000000 0000000000000000 ffffffff8205aab0 ffffffff8205aab0
>
> [ 12.276231] 0000000000000000
> [ 12.276231] 0000000000000000 ffff8800001a3e78 ffff8800001a3e78 ffffffff811d0df6 ffffffff811d0df6 ffffffff830c0910 ffffffff830c0910
>
> [ 12.276231] ffff880010561d50
> [ 12.276231] ffff880010561d50 ffff8800001a3e88 ffff8800001a3e88 ffffffff8205ac53 ffffffff8205ac53 ffff8800001a3f08 ffff8800001a3f08
>
> [ 12.276231] Call Trace:
> [ 12.276231] Call Trace:
> [ 12.276231] [<ffffffff82055977>] ? visorbus_register_visor_driver+0x47/0x100
> [ 12.276231] [<ffffffff82055977>] ? visorbus_register_visor_driver+0x47/0x100
> [ 12.276231] [<ffffffff8205aab0>] ? visornic_change_mtu+0x10/0x10
> [ 12.276231] [<ffffffff8205aab0>] ? visornic_change_mtu+0x10/0x10
> [ 12.276231] [<ffffffff811d0df6>] ? __kmalloc+0x86/0xa0
> [ 12.276231] [<ffffffff811d0df6>] ? __kmalloc+0x86/0xa0
> [ 12.276231] [<ffffffff8205ac53>] visornic_init+0x1a3/0x1f0
> [ 12.276231] [<ffffffff8205ac53>] visornic_init+0x1a3/0x1f0
> [ 12.276231] [<ffffffff830161dc>] do_one_initcall+0x193/0x1a7
> [ 12.276231] [<ffffffff830161dc>] do_one_initcall+0x193/0x1a7
> [ 12.276231] [<ffffffff8301630a>] kernel_init_freeable+0x11a/0x1a7
> [ 12.276231] [<ffffffff8301630a>] kernel_init_freeable+0x11a/0x1a7
> [ 12.276231] [<ffffffff823f88e0>] ? rest_init+0x140/0x140
> [ 12.276231] [<ffffffff823f88e0>] ? rest_init+0x140/0x140
> [ 12.276231] [<ffffffff823f88e9>] kernel_init+0x9/0xf0
> [ 12.276231] [<ffffffff823f88e9>] kernel_init+0x9/0xf0
> [ 12.276231] [<ffffffff8241b3d2>] ret_from_fork+0x42/0x70
> [ 12.276231] [<ffffffff8241b3d2>] ret_from_fork+0x42/0x70
> [ 12.276231] [<ffffffff823f88e0>] ? rest_init+0x140/0x140
> [ 12.276231] [<ffffffff823f88e0>] ? rest_init+0x140/0x140
> [ 12.276231] Code:
> [ 12.276231] Code: 85 85 c0 c0 41 41 89 89 c4 c4 75 75 14 14 48 48 8b 8b 7b 7b 70 70 31 31 f6 f6 e8 e8 01 01 09 09 c0 c0 ff ff 5b 5b 44 44 89 89 e0 e0 41 41 5c 5c 5d 5d c3 c3 90 90 48 48 89 89 df df e8 e8 50 50 e6 e6 ff ff ff ff 5b 5b 44 44 89 89 e0 e0 41 41 5c 5c 5d 5d c3 c3 <0f> <0f> 0b 0b 48 48 8b 8b 33 33 48 48 c7 c7 c7 c7 20 20 07 07 c7 c7 82 82 31 31 c0 c0 e8 e8 97 97 6a 6a 89 89 00 00 48 48 8b 8b
>
> [ 12.276231] RIP
> [ 12.276231] RIP [<ffffffff81b68e78>] driver_register+0xa8/0xe0
> [<ffffffff81b68e78>] driver_register+0xa8/0xe0
> [ 12.276231] RSP <ffff8800001a3e30>
> [ 12.276231] RSP <ffff8800001a3e30>
> [ 12.403330] ---[ end trace 075c805d53b02836 ]---
> [ 12.403330] ---[ end trace 075c805d53b02836 ]---
David, any ideas of what needs to be done to fix this?
thanks,
greg k-h
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