From: Sitsofe Wheeler <sitsofe@gmail.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jason Wang <jasowang@redhat.com>,
linux-kernel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Daniel Borkmann <dborkman@redhat.com>,
netdev@vger.kernel.org, devel@linuxdriverproject.org,
Haiyang Zhang <haiyangz@microsoft.com>
Subject: Re: [hyperv] BUG at drivers/hv/channel.c:462 while changing MTU
Date: Mon, 25 Aug 2014 22:43:03 +0100 [thread overview]
Message-ID: <20140825214303.GA32390@sucs.org> (raw)
In-Reply-To: <20140825093648.GB5046@mwanda>
On Mon, Aug 25, 2014 at 12:36:48PM +0300, Dan Carpenter wrote:
> The code here is:
>
> drivers/hv/channel.c
> 460 BUG_ON(ret != 0);
> 461 t = wait_for_completion_timeout(&info->waitevent, 5*HZ);
> 462 BUG_ON(t == 0);
>
There is also a case of the BUG_ON at line 460 being hit
(from https://lkml.org/lkml/2014/8/19/708 ):
457 ret = vmbus_post_msg(msg,
458 sizeof(struct vmbus_channel_gpadl_teardown));
459
460 BUG_ON(ret != 0);
Aug 20 03:42:58 ubuntuhv kernel: [ 13.028182] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/input/input4
Aug 20 03:41:09 ubuntuhv kernel: [ 179.973064] hv_netvsc vmbus_0_14: net device safe to remove
Aug 20 03:41:09 ubuntuhv kernel: [ 179.974995] hv_netvsc: hv_netvsc channel opened successfully
Aug 20 03:41:10 ubuntuhv kernel: [ 180.402957] hv_netvsc vmbus_0_14 eth0: unable to establish send buffer's gpadl
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403080] ------------[ cut here ]------------
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403141] kernel BUG at drivers/hv/channel.c:460!
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403253] invalid opcode: 0000 [#1] SMP
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403328] CPU: 1 PID: 1482 Comm: ifconfig Not tainted 3.17.0-rc1.x86_64 #1
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403431] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090006 05/23/2012
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] task: ffff88006e45b9f0 ti: ffff880070b20000 task.ti: ffff880070b20000
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RIP: 0010:[<ffffffff815a9901>] [<ffffffff815a9901>] vmbus_teardown_gpadl+0xc1/0x130
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RSP: 0018:ffff880070b23c00 EFLAGS: 00010202
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RAX: 0000000000000004 RBX: ffff88006fef0e38 RCX: 0000000000000006
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RDX: 0000000000000006 RSI: ffff88006e45c130 RDI: 0000000000000246
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RBP: ffff880070b23c20 R08: 0000000000000000 R09: 0000000000000000
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000296
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] R13: ffff88007b911520 R14: ffff88006fef0e58 R15: 0000000000000004
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] FS: 00007fe5cd41d740(0000) GS:ffff88007fc20000(0000) knlGS:0000000000000000
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] CR2: 00007f4e3766d410 CR3: 0000000074bcb000 CR4: 00000000000406e0
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] Stack:
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] ffff880074550000 0000000000000000 ffff880078154520 ffff880074550000
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] ffff880070b23c48 ffffffff814e8276 ffff88007b916458 ffff880078154520
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] ffff880074550000 ffff880070b23cb8 ffffffff814e957f ffff88007b911520
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] Call Trace:
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff814e8276>] netvsc_destroy_buf+0xb6/0x210
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff814e957f>] netvsc_device_add+0x6ef/0x7c0
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff814ea6e0>] rndis_filter_device_add+0x80/0x430
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff810b16c0>] ? __wake_up_common+0x90/0x90
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff814e6dfc>] netvsc_change_mtu+0x15c/0x1f0
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff815d19d0>] dev_set_mtu+0x80/0x130
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff815e67b4>] dev_ifsioc+0x124/0x390
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff815e7006>] dev_ioctl+0x516/0x5e0
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff815b339d>] sock_ioctl+0x1fd/0x210
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff811d54b0>] do_vfs_ioctl+0x4d0/0x510
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff8132aa9e>] ? file_has_perm+0x7e/0x90
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff811d5543>] SyS_ioctl+0x53/0x90
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff816a38e9>] system_call_fastpath+0x16/0x1b
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] Code: 89 df e8 c3 ba df ff 4c 89 e6 48 c7 c7 40 27 ce 81 e8 24 93 0f 00 48 8d bb 88 00 00 00 be 10 00 00 00 e8 13 f2 ff ff 85 c0 74 07 <0f> 0b 0f 1f 44 00 00 be 88 13 00 00 4c 89 f7 e8 5b 4d 0f 00 85
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RIP [<ffffffff815a9901>] vmbus_teardown_gpadl+0xc1/0x130
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RSP <ffff880070b23c00>
Aug 20 03:41:10 ubuntuhv kernel: [ 180.405770] ---[ end trace 9ec56592fdff213b ]---
--
Sitsofe | http://sucs.org/~sits/
WARNING: multiple messages have this Message-ID (diff)
From: Sitsofe Wheeler <sitsofe@gmail.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jason Wang <jasowang@redhat.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
linux-kernel@vger.kernel.org,
Daniel Borkmann <dborkman@redhat.com>,
netdev@vger.kernel.org, devel@linuxdriverproject.org,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [hyperv] BUG at drivers/hv/channel.c:462 while changing MTU
Date: Mon, 25 Aug 2014 22:43:03 +0100 [thread overview]
Message-ID: <20140825214303.GA32390@sucs.org> (raw)
In-Reply-To: <20140825093648.GB5046@mwanda>
On Mon, Aug 25, 2014 at 12:36:48PM +0300, Dan Carpenter wrote:
> The code here is:
>
> drivers/hv/channel.c
> 460 BUG_ON(ret != 0);
> 461 t = wait_for_completion_timeout(&info->waitevent, 5*HZ);
> 462 BUG_ON(t == 0);
>
There is also a case of the BUG_ON at line 460 being hit
(from https://lkml.org/lkml/2014/8/19/708 ):
457 ret = vmbus_post_msg(msg,
458 sizeof(struct vmbus_channel_gpadl_teardown));
459
460 BUG_ON(ret != 0);
Aug 20 03:42:58 ubuntuhv kernel: [ 13.028182] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/input/input4
Aug 20 03:41:09 ubuntuhv kernel: [ 179.973064] hv_netvsc vmbus_0_14: net device safe to remove
Aug 20 03:41:09 ubuntuhv kernel: [ 179.974995] hv_netvsc: hv_netvsc channel opened successfully
Aug 20 03:41:10 ubuntuhv kernel: [ 180.402957] hv_netvsc vmbus_0_14 eth0: unable to establish send buffer's gpadl
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403080] ------------[ cut here ]------------
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403141] kernel BUG at drivers/hv/channel.c:460!
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403253] invalid opcode: 0000 [#1] SMP
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403328] CPU: 1 PID: 1482 Comm: ifconfig Not tainted 3.17.0-rc1.x86_64 #1
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403431] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090006 05/23/2012
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] task: ffff88006e45b9f0 ti: ffff880070b20000 task.ti: ffff880070b20000
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RIP: 0010:[<ffffffff815a9901>] [<ffffffff815a9901>] vmbus_teardown_gpadl+0xc1/0x130
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RSP: 0018:ffff880070b23c00 EFLAGS: 00010202
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RAX: 0000000000000004 RBX: ffff88006fef0e38 RCX: 0000000000000006
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RDX: 0000000000000006 RSI: ffff88006e45c130 RDI: 0000000000000246
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RBP: ffff880070b23c20 R08: 0000000000000000 R09: 0000000000000000
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000296
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] R13: ffff88007b911520 R14: ffff88006fef0e58 R15: 0000000000000004
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] FS: 00007fe5cd41d740(0000) GS:ffff88007fc20000(0000) knlGS:0000000000000000
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] CR2: 00007f4e3766d410 CR3: 0000000074bcb000 CR4: 00000000000406e0
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] Stack:
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] ffff880074550000 0000000000000000 ffff880078154520 ffff880074550000
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] ffff880070b23c48 ffffffff814e8276 ffff88007b916458 ffff880078154520
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] ffff880074550000 ffff880070b23cb8 ffffffff814e957f ffff88007b911520
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] Call Trace:
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff814e8276>] netvsc_destroy_buf+0xb6/0x210
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff814e957f>] netvsc_device_add+0x6ef/0x7c0
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff814ea6e0>] rndis_filter_device_add+0x80/0x430
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff810b16c0>] ? __wake_up_common+0x90/0x90
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff814e6dfc>] netvsc_change_mtu+0x15c/0x1f0
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff815d19d0>] dev_set_mtu+0x80/0x130
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff815e67b4>] dev_ifsioc+0x124/0x390
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff815e7006>] dev_ioctl+0x516/0x5e0
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff815b339d>] sock_ioctl+0x1fd/0x210
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff811d54b0>] do_vfs_ioctl+0x4d0/0x510
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff8132aa9e>] ? file_has_perm+0x7e/0x90
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff811d5543>] SyS_ioctl+0x53/0x90
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] [<ffffffff816a38e9>] system_call_fastpath+0x16/0x1b
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] Code: 89 df e8 c3 ba df ff 4c 89 e6 48 c7 c7 40 27 ce 81 e8 24 93 0f 00 48 8d bb 88 00 00 00 be 10 00 00 00 e8 13 f2 ff ff 85 c0 74 07 <0f> 0b 0f 1f 44 00 00 be 88 13 00 00 4c 89 f7 e8 5b 4d 0f 00 85
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RIP [<ffffffff815a9901>] vmbus_teardown_gpadl+0xc1/0x130
Aug 20 03:41:10 ubuntuhv kernel: [ 180.403536] RSP <ffff880070b23c00>
Aug 20 03:41:10 ubuntuhv kernel: [ 180.405770] ---[ end trace 9ec56592fdff213b ]---
--
Sitsofe | http://sucs.org/~sits/
next prev parent reply other threads:[~2014-08-25 21:43 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-19 12:36 [hyperv] BUG at drivers/hv/channel.c:462 while changing MTU Sitsofe Wheeler
2014-08-19 12:36 ` Sitsofe Wheeler
2014-08-19 21:29 ` Haiyang Zhang
2014-08-20 3:41 ` Sitsofe Wheeler
2014-08-20 3:41 ` Sitsofe Wheeler
2014-08-25 10:48 ` Richard Weinberger
2014-08-25 10:48 ` Richard Weinberger
2014-08-25 14:53 ` KY Srinivasan
2014-08-25 14:53 ` KY Srinivasan
2014-08-25 15:07 ` Richard Weinberger
2014-08-25 15:07 ` Richard Weinberger
2014-08-25 17:29 ` KY Srinivasan
2014-08-25 17:29 ` KY Srinivasan
2014-08-25 9:36 ` Dan Carpenter
2014-08-25 9:36 ` Dan Carpenter
2014-08-25 17:34 ` KY Srinivasan
2014-08-25 17:50 ` Greg Kroah-Hartman
2014-08-25 17:50 ` Greg Kroah-Hartman
2014-08-25 18:05 ` KY Srinivasan
2014-08-25 18:05 ` KY Srinivasan
2014-08-25 21:43 ` Sitsofe Wheeler [this message]
2014-08-25 21:43 ` Sitsofe Wheeler
2014-08-25 21:48 ` KY Srinivasan
2014-08-25 21:48 ` KY Srinivasan
2014-08-27 9:33 ` Sitsofe Wheeler
2014-08-27 9:33 ` Sitsofe Wheeler
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