From: Ye Xiaolong <xiaolong.ye@intel.com>
To: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Ricardo Nabinger Sanchez <rnsanchez@gmail.com>,
LKML <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>, LKP <lkp@01.org>,
netdev <netdev@vger.kernel.org>
Subject: Re: [lkp-robot] [tcp] e70ac17165: WARNING:at_kernel/softirq.c:#__local_bh_enable_ip
Date: Tue, 21 Feb 2017 09:05:55 +0800 [thread overview]
Message-ID: <20170221010555.GA10024@yexl-desktop> (raw)
In-Reply-To: <CANn89i+=siVUhXTxzOOhs_AyZ=0CJeFvXYNPbxfPcTzd=-pVEw@mail.gmail.com>
On 02/20, Eric Dumazet wrote:
>On Sun, Feb 19, 2017 at 6:11 PM, kernel test robot
><xiaolong.ye@intel.com> wrote:
>>
>> FYI, we noticed the following commit:
>>
>> commit: e70ac171658679ecf6bea4bbd9e9325cd6079d2b ("tcp: tcp_probe: use spin_lock_bh()")
>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>>
>> in testcase: boot
>>
>> on test machine: qemu-system-x86_64 -enable-kvm -cpu host -smp 2 -m 2G
>>
>> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>>
>>
>> +-----------------------------------------------------+------------+------------+
>> | | a725eb15db | e70ac17165 |
>> +-----------------------------------------------------+------------+------------+
>> | boot_successes | 0 | 0 |
>> | boot_failures | 14 | 16 |
>> | WARNING:at_arch/x86/mm/dump_pagetables.c:#note_page | 14 | 16 |
>> | invoked_oom-killer:gfp_mask=0x | 0 | 3 |
>> | Mem-Info | 0 | 3 |
>> | Out_of_memory:Kill_process | 0 | 1 |
>> | WARNING:at_kernel/softirq.c:#__local_bh_enable_ip | 0 | 11 |
>> +-----------------------------------------------------+------------+------------+
>>
>>
>>
>> [ 27.257372] WARNING: CPU: 1 PID: 483 at kernel/softirq.c:161 __local_bh_enable_ip+0x3b/0x80
>> [ 27.259647] Modules linked in: auth_rpcgss nfsv4 nfs lockd grace fscache af_packet ide_cd_mod ide_pci_generic crct10dif_pclmul crct10dif_common bochs_drm ttm crc32c_intel fbcon bitblit fbcon_rotate fbcon_ccw fbcon_ud fbcon_cw softcursor font tileblit drm_kms_helper input_leds serio_raw drm i6300esb virtio_pci piix e1000 ide_core i2c_piix4 tpm_tis tpm_tis_core floppy qemu_fw_cfg evbug evdev sunrpc ip_tables ipv6 autofs4
>> [ 27.266515] CPU: 1 PID: 483 Comm: mount.nfs Tainted: G W 4.10.0-rc7-00193-ge70ac17 #2
>> [ 27.267842] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
>> [ 27.269268] Call Trace:
>> [ 27.270086] dump_stack+0x63/0x81
>> [ 27.271046] __warn+0xbb/0xe0
>> [ 27.271932] warn_slowpath_null+0x18/0x20
>> [ 27.272848] __local_bh_enable_ip+0x3b/0x80
>> [ 27.273806] _raw_spin_unlock_bh+0x30/0x40
>> [ 27.274736] jtcp_rcv_established+0x297/0x2c0
>> [ 27.275714] tcp_v4_do_rcv+0x96/0x150
>> [ 27.276586] __release_sock+0xce/0x150
>> [ 27.277451] release_sock+0x2b/0xb0
>> [ 27.278297] tcp_sendmsg+0x9ea/0xaf0
>> [ 27.279199] inet_sendmsg+0xd4/0x100
>> [ 27.280070] kernel_sendmsg+0x30/0x40
>> [ 27.280947] xs_send_kvec+0x6b/0x90 [sunrpc]
>> [ 27.281826] xs_sendpages+0x5e/0x1e0 [sunrpc]
>> [ 27.282763] xs_tcp_send_request+0x7d/0x160 [sunrpc]
>> [ 27.283680] xprt_transmit+0xbb/0x280 [sunrpc]
>> [ 27.284538] call_transmit+0x1cc/0x240 [sunrpc]
>> [ 27.285445] ? rpc_destroy_wait_queue+0x20/0x20 [sunrpc]
>> [ 27.286358] __rpc_execute+0x83/0x200 [sunrpc]
>> [ 27.287257] ? wake_up_bit+0x20/0x30
>> [ 27.288072] rpc_execute+0x38/0x40 [sunrpc]
>> [ 27.288934] rpc_run_task+0x14b/0x160 [sunrpc]
>> [ 27.289774] rpc_call_sync+0x7f/0xa0 [sunrpc]
>> [ 27.290629] rpc_ping+0x4d/0x70 [sunrpc]
>> [ 27.291479] rpc_create_xprt+0xde/0x170 [sunrpc]
>> [ 27.292339] rpc_create+0x198/0x1c0 [sunrpc]
>> [ 27.293166] ? rpcauth_lookup_credcache+0x204/0x2c0 [sunrpc]
>> [ 27.294103] nfs_create_rpc_client+0xcd/0xf0 [nfs]
>> [ 27.295010] nfs4_init_client+0x82/0x1c0 [nfsv4]
>> [ 27.295916] ? nfs_get_client+0x36b/0x3c0 [nfs]
>> [ 27.296759] ? kvm_sched_clock_read+0x25/0x40
>> [ 27.297572] ? sched_clock+0x9/0x10
>> [ 27.298319] ? sched_clock_cpu+0xa5/0xb0
>> [ 27.299109] ? nfs_get_client+0x36b/0x3c0 [nfs]
>> [ 27.299938] ? nfs_get_client+0xb4/0x3c0 [nfs]
>> [ 27.300778] ? __lock_acquire+0x87d/0x940
>> [ 27.301649] nfs_get_client+0x382/0x3c0 [nfs]
>> [ 27.302473] ? nfs_get_client+0xb4/0x3c0 [nfs]
>> [ 27.303395] ? is_module_address+0x10/0x20
>> [ 27.304179] nfs4_set_client+0x76/0xa0 [nfsv4]
>> [ 27.304949] nfs4_create_server+0x10b/0x270 [nfsv4]
>> [ 27.305796] nfs4_remote_mount+0x29/0x50 [nfsv4]
>> [ 27.306543] mount_fs+0xf/0x90
>> [ 27.307210] vfs_kern_mount+0x6b/0x170
>> [ 27.307859] nfs_do_root_mount+0x93/0xc0 [nfsv4]
>> [ 27.308668] nfs4_try_mount+0x32/0x50 [nfsv4]
>> [ 27.309402] nfs_fs_mount+0x8aa/0x950 [nfs]
>> [ 27.310045] ? nfs_remount+0x3c0/0x3c0 [nfs]
>> [ 27.310766] ? nfs_auth_info_match+0x40/0x40 [nfs]
>> [ 27.311521] mount_fs+0xf/0x90
>> [ 27.312090] vfs_kern_mount+0x6b/0x170
>> [ 27.312716] do_mount+0x9c4/0xd40
>> [ 27.313323] ? copy_mount_options+0x28/0x160
>> [ 27.313973] SyS_mount+0x8c/0xc0
>> [ 27.314552] do_syscall_64+0x7d/0x160
>> [ 27.315186] entry_SYSCALL64_slow_path+0x25/0x25
>> [ 27.315911] RIP: 0033:0x7f2c30cd598a
>> [ 27.316520] RSP: 002b:00007fff1bf85388 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
>> [ 27.317600] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2c30cd598a
>> [ 27.319087] RDX: 0000000001b9cf30 RSI: 0000000001b9cf10 RDI: 0000000001b9cef0
>> [ 27.320581] RBP: 00007fff1bf85490 R08: 0000000001b9d890 R09: 0000000001b9d890
>> [ 27.322077] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff1bf85490
>> [ 27.323571] R13: 0000000001b9d650 R14: 0000000000000010 R15: 0000000001b9b010
>> [ 27.325060] ---[ end trace 1b69e98171ee3b1d ]---
>>
>>
>> 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
>
>Thanks for the report, I will take a look.
>Apparently jprobe invokes us with hard irq disabled (at least on x86)
Ok, feel free to ask me to verify your fix once needed.
Thanks,
Xiaolong
WARNING: multiple messages have this Message-ID (diff)
From: Ye Xiaolong <xiaolong.ye@intel.com>
To: lkp@lists.01.org
Subject: Re: [lkp-robot] [tcp] e70ac17165: WARNING:at_kernel/softirq.c:#__local_bh_enable_ip
Date: Tue, 21 Feb 2017 09:05:55 +0800 [thread overview]
Message-ID: <20170221010555.GA10024@yexl-desktop> (raw)
In-Reply-To: <CANn89i+=siVUhXTxzOOhs_AyZ=0CJeFvXYNPbxfPcTzd=-pVEw@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 6201 bytes --]
On 02/20, Eric Dumazet wrote:
>On Sun, Feb 19, 2017 at 6:11 PM, kernel test robot
><xiaolong.ye@intel.com> wrote:
>>
>> FYI, we noticed the following commit:
>>
>> commit: e70ac171658679ecf6bea4bbd9e9325cd6079d2b ("tcp: tcp_probe: use spin_lock_bh()")
>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>>
>> in testcase: boot
>>
>> on test machine: qemu-system-x86_64 -enable-kvm -cpu host -smp 2 -m 2G
>>
>> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>>
>>
>> +-----------------------------------------------------+------------+------------+
>> | | a725eb15db | e70ac17165 |
>> +-----------------------------------------------------+------------+------------+
>> | boot_successes | 0 | 0 |
>> | boot_failures | 14 | 16 |
>> | WARNING:at_arch/x86/mm/dump_pagetables.c:#note_page | 14 | 16 |
>> | invoked_oom-killer:gfp_mask=0x | 0 | 3 |
>> | Mem-Info | 0 | 3 |
>> | Out_of_memory:Kill_process | 0 | 1 |
>> | WARNING:at_kernel/softirq.c:#__local_bh_enable_ip | 0 | 11 |
>> +-----------------------------------------------------+------------+------------+
>>
>>
>>
>> [ 27.257372] WARNING: CPU: 1 PID: 483 at kernel/softirq.c:161 __local_bh_enable_ip+0x3b/0x80
>> [ 27.259647] Modules linked in: auth_rpcgss nfsv4 nfs lockd grace fscache af_packet ide_cd_mod ide_pci_generic crct10dif_pclmul crct10dif_common bochs_drm ttm crc32c_intel fbcon bitblit fbcon_rotate fbcon_ccw fbcon_ud fbcon_cw softcursor font tileblit drm_kms_helper input_leds serio_raw drm i6300esb virtio_pci piix e1000 ide_core i2c_piix4 tpm_tis tpm_tis_core floppy qemu_fw_cfg evbug evdev sunrpc ip_tables ipv6 autofs4
>> [ 27.266515] CPU: 1 PID: 483 Comm: mount.nfs Tainted: G W 4.10.0-rc7-00193-ge70ac17 #2
>> [ 27.267842] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
>> [ 27.269268] Call Trace:
>> [ 27.270086] dump_stack+0x63/0x81
>> [ 27.271046] __warn+0xbb/0xe0
>> [ 27.271932] warn_slowpath_null+0x18/0x20
>> [ 27.272848] __local_bh_enable_ip+0x3b/0x80
>> [ 27.273806] _raw_spin_unlock_bh+0x30/0x40
>> [ 27.274736] jtcp_rcv_established+0x297/0x2c0
>> [ 27.275714] tcp_v4_do_rcv+0x96/0x150
>> [ 27.276586] __release_sock+0xce/0x150
>> [ 27.277451] release_sock+0x2b/0xb0
>> [ 27.278297] tcp_sendmsg+0x9ea/0xaf0
>> [ 27.279199] inet_sendmsg+0xd4/0x100
>> [ 27.280070] kernel_sendmsg+0x30/0x40
>> [ 27.280947] xs_send_kvec+0x6b/0x90 [sunrpc]
>> [ 27.281826] xs_sendpages+0x5e/0x1e0 [sunrpc]
>> [ 27.282763] xs_tcp_send_request+0x7d/0x160 [sunrpc]
>> [ 27.283680] xprt_transmit+0xbb/0x280 [sunrpc]
>> [ 27.284538] call_transmit+0x1cc/0x240 [sunrpc]
>> [ 27.285445] ? rpc_destroy_wait_queue+0x20/0x20 [sunrpc]
>> [ 27.286358] __rpc_execute+0x83/0x200 [sunrpc]
>> [ 27.287257] ? wake_up_bit+0x20/0x30
>> [ 27.288072] rpc_execute+0x38/0x40 [sunrpc]
>> [ 27.288934] rpc_run_task+0x14b/0x160 [sunrpc]
>> [ 27.289774] rpc_call_sync+0x7f/0xa0 [sunrpc]
>> [ 27.290629] rpc_ping+0x4d/0x70 [sunrpc]
>> [ 27.291479] rpc_create_xprt+0xde/0x170 [sunrpc]
>> [ 27.292339] rpc_create+0x198/0x1c0 [sunrpc]
>> [ 27.293166] ? rpcauth_lookup_credcache+0x204/0x2c0 [sunrpc]
>> [ 27.294103] nfs_create_rpc_client+0xcd/0xf0 [nfs]
>> [ 27.295010] nfs4_init_client+0x82/0x1c0 [nfsv4]
>> [ 27.295916] ? nfs_get_client+0x36b/0x3c0 [nfs]
>> [ 27.296759] ? kvm_sched_clock_read+0x25/0x40
>> [ 27.297572] ? sched_clock+0x9/0x10
>> [ 27.298319] ? sched_clock_cpu+0xa5/0xb0
>> [ 27.299109] ? nfs_get_client+0x36b/0x3c0 [nfs]
>> [ 27.299938] ? nfs_get_client+0xb4/0x3c0 [nfs]
>> [ 27.300778] ? __lock_acquire+0x87d/0x940
>> [ 27.301649] nfs_get_client+0x382/0x3c0 [nfs]
>> [ 27.302473] ? nfs_get_client+0xb4/0x3c0 [nfs]
>> [ 27.303395] ? is_module_address+0x10/0x20
>> [ 27.304179] nfs4_set_client+0x76/0xa0 [nfsv4]
>> [ 27.304949] nfs4_create_server+0x10b/0x270 [nfsv4]
>> [ 27.305796] nfs4_remote_mount+0x29/0x50 [nfsv4]
>> [ 27.306543] mount_fs+0xf/0x90
>> [ 27.307210] vfs_kern_mount+0x6b/0x170
>> [ 27.307859] nfs_do_root_mount+0x93/0xc0 [nfsv4]
>> [ 27.308668] nfs4_try_mount+0x32/0x50 [nfsv4]
>> [ 27.309402] nfs_fs_mount+0x8aa/0x950 [nfs]
>> [ 27.310045] ? nfs_remount+0x3c0/0x3c0 [nfs]
>> [ 27.310766] ? nfs_auth_info_match+0x40/0x40 [nfs]
>> [ 27.311521] mount_fs+0xf/0x90
>> [ 27.312090] vfs_kern_mount+0x6b/0x170
>> [ 27.312716] do_mount+0x9c4/0xd40
>> [ 27.313323] ? copy_mount_options+0x28/0x160
>> [ 27.313973] SyS_mount+0x8c/0xc0
>> [ 27.314552] do_syscall_64+0x7d/0x160
>> [ 27.315186] entry_SYSCALL64_slow_path+0x25/0x25
>> [ 27.315911] RIP: 0033:0x7f2c30cd598a
>> [ 27.316520] RSP: 002b:00007fff1bf85388 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
>> [ 27.317600] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2c30cd598a
>> [ 27.319087] RDX: 0000000001b9cf30 RSI: 0000000001b9cf10 RDI: 0000000001b9cef0
>> [ 27.320581] RBP: 00007fff1bf85490 R08: 0000000001b9d890 R09: 0000000001b9d890
>> [ 27.322077] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff1bf85490
>> [ 27.323571] R13: 0000000001b9d650 R14: 0000000000000010 R15: 0000000001b9b010
>> [ 27.325060] ---[ end trace 1b69e98171ee3b1d ]---
>>
>>
>> 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
>
>Thanks for the report, I will take a look.
>Apparently jprobe invokes us with hard irq disabled (at least on x86)
Ok, feel free to ask me to verify your fix once needed.
Thanks,
Xiaolong
next prev parent reply other threads:[~2017-02-21 1:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-20 2:11 [lkp-robot] [tcp] e70ac17165: WARNING:at_kernel/softirq.c:#__local_bh_enable_ip kernel test robot
2017-02-20 2:11 ` kernel test robot
2017-02-20 16:27 ` Eric Dumazet
2017-02-20 16:27 ` Eric Dumazet
2017-02-21 1:05 ` Ye Xiaolong [this message]
2017-02-21 1:05 ` Ye Xiaolong
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