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Date:   Wed, 30 Aug 2017 16:16:54 +0800
From:   Chiwu Yung <samueleycw@...il.com>
To:     stable@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org
Subject: (Kernel Bug report) Make kaby lake cpu crash Ethernet

Hello Sir, i am using cpu i7 7700k kaby lake, i have no overclock the
CPU but i think  i7 7700k come across with Ethernet crash issue. Don't
know why  it will keeping crash.
I tested the kernel since 4.8 - 4.12 almost 2-3months and i can see
that the issue is still exist.
Kernel error then the Ethernet is stop responded after that machine
crash, i need to force reboot the computer.

PS: there are no cpu overclock , latest Bios ver. Centos7 with 4.12.8 kernel

Thank you for your help!

--------------------------------------------------------
Error Log
--------------------------------------------------------
enp:s 6: Reset adapter unexpectedly[47438.8192131 e1808e 8000:88:11.6
enp8s31f6: Reset adapter unexpectedly
[112822.759818] el008e 8800:88:1f.6 enp0s3116: Reset adapter
unexpectedly 1112838.119047] el888e 8808:80:1f.6 enp8s31f6: Reset
adapter unexpectedly
[112852-967086] e1800e 8000:00:11.6 enp8s31f6: Reset adapter
unexpectedly 1128194.823488] e1000e 0008:80:1f.6 enp8s31f6: Reset
adapter unexpectedly
[128213.991461] e1808e 0000:00:11.6 enp8s31f6: Reset adapter unexpectedly
[128228.839481] 0.800e 0000:08:1f.6 enp8s31f6: Reset adapter unexpectedly
[128283.111491] el880e 0808:08:11.6 enp0s31f6: Reset adapter unexpectedly
[123287.815631] e1800e 0000:08:11.6 enp8s31f6: Reset adapter
unexpectedly 1124878.8237221 el888e 0088:00:1f.6 enp0s3116: Reset
adapter unexpectedly
[124878.843883] kernel BUG at drivers/net/ethernet/intel/e1880e/netdev.c:38111
[124878.843832] invalid opcode: 8088 [*1] SHP
[124878.843847] Modules linked in: vfat fat x86_pkg temp_thermal
intel_powerclamp coretemp kvm_intel kvm irgbypass crctledif_pclmul
crc32_pclmul ghash_clmulni_intel pcbc aesni_intel hci_uart crypto_simd
btbcm glue_helper iltOwdt cryptd btq ca iTCO_vendor_support btintel
mxm_wmi intel_cstate intel_rapl_perf ac_i881 pcspkr shpchp sg joydev
bluetooth input_leds wmi ecdh_generic mei_me rfkill mei
intel_lpss_acpi acpi_als intel_lpss intel_pch_thermal mfd_core
kfifo_buf acpi_pad ndustrialio tcp_bbr sch_fg ip_tables xfs libcrc32c
sd_mod i915 i2c_algo_bit crc32c_intel drm_kms_helper syscopyarea
e1000e sysfillrect ahci sysimgblt fb_sys_fops libahci ptp pps_core
libata drm video i2c_hid dm_mirror dm_region_hash dm_log dm_mod dax
[124878.844060] CPU: 8 PID: 25374 Comm: kworker/0:2 Tainted: G W
4.12.8-1.e17.elrepo.x86_64 *1 [124878.844890] Hardware name: To Be
Filled By O.E.M. To Be Filled By 0.E.M./2170 Pro4, BIOS P7.38
11/28/2016
[124878.844127] Workqueue: events e1000_reset_task [e1000e]
1124878.844146] task: Ifff88869e482e80 task.stack: ff1fc90820044800
1124878.844170] RIP: 0010:e1080_flush_desc rings+8x2ea/8x2f8 [e1000e]
[124878.844191] RSP: 0018:f11fc900213047d68 EFLAGS: 00810202
[124878.844289] MX: 0000000000000884 RBX: ffff88084b42c8c0 RCX: 0080000000080099
[124878.844233] RDX: 0000000000000084 RSI: 8000008000800246 RDI:
0000880000000246
[124878.844256] RBP: 11ffc90028047d98 R08: 0000080000088002 R09:
ffffc90020047d1c
[124878.844288] R18: 00008888808008fe R11: 88000008008083c7 R12:
ffff8808517a3880
[124878.844384] R13: 111f88884b42cd78 R14: 000000003103f01a R15:
0000000004008000
[124878.844328] FS: 888888808e88eee0(088e) GS:aff888875c0000010000]
knlGS:0008808808000000
[124878.844354] CS: 0010 DS: 0000 ES: 0000 C1t8: 0000000088058033
[124878.844374] CR2: 08007f7031eb8808 CR3: 8080080001c09000 CR4:
00000000003406f0
[124878.844397] DR8: 0000808800000008 DR1: 0000000080000000 DR2:
0800000000000000
[124878.844421] DR3: 0080000000880888 DR6: 80000880fffeO110 DR7:
0000008000008400
[124878.844444] Call Trace: 1124878.844468] e1880e_reset*8x4b4/8x750 [e1000e]
[124878.844479] el080e_down+8xle3/0x210 [e1808e]
[124878.844497] el080e_reinit_locked+0x31/0x60 [e1880e]
[124878.844518] e1008_reset_task+8x32/0x68 [e1800e]
[124878.844536] process_one_work+8x149/8x368
[124878.844552] worker_thread+8x4d/8x3c0
[124878.8445661 kthread+8x109/0x148
[124878.844579] ? rescuer thread+8x300/0x380
[124878.844594] ? kthread_park+8x68/0x60
[124878.844689] ? do_syscall_64+0x67/0x158
[124878.844624] ret from fork+Ox25/0x30
[124878.844637] Code: 98 e9 Be ff ff ff 4c 89 of e8 d3 fc ff ff Of if
00 e9 14 fe ff ff 31 c0 45 31 f6 66 41 89 44 24 20 e9 71 fe ff ff e8
36 73 ed e0 <Of> IA Of 11 40 00 Of 11 44 00 00 55 48 89 e5 41 57 41 56
41 55
[124878.844716] RIP: e1008_flush_desc_rings+Bx2ea/Ox2f8 [e1000e] RSP:
ffffc98020047d68
[124878.844760] ---[ end trace 4ce09c8c366f79e7 ]-
[124878.844777] Kernel panic - not syncing: Fatal exception
[124878.844825] Kernel Offset: disabled
[124878.844833] ---[ end Kernel panic - not syncing : Fatal exception

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