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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: trusty
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https://bugs.launchpad.net/bugs/1644056
Title:
kernel BUG at /build/linux-lts-xenial-gUF4JR/linux-lts-
xenial-4.4.0/mm/huge_memory.c:1931!
Status in linux package in Ubuntu:
Incomplete
Bug description:
Hi,
While running IO on the following kernel/Ubuntu version:
$ lsb_release -rd
Description: Ubuntu 14.04.5 LTS
Release: 14.04
$ uname -a
Linux 4.4.0-31-generic #50~14.04.1-Ubuntu SMP Wed Jul 13 01:07:32 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
$ cat /etc/issue
Ubuntu 14.04.5 LTS \n \l
[1133672.985186]
/build/linux-lts-xenial-gUF4JR/linux-lts-xenial-4.4.0/mm/pgtable-generic.c:33:
bad pmd ffff881fd6790240(800000004b8008e7)
[1135572.440941] huge_memory: mapcount 0 page_mapcount 1
[1135572.441607] ------------[ cut here ]------------
[1135572.442059] kernel BUG at
/build/linux-lts-xenial-gUF4JR/linux-lts-xenial-4.4.0/mm/huge_memory.c:1931!
[1135572.442571] invalid opcode: 0000 [#1] SMP
[1135572.443028] Modules linked in: intel_rapl x86_pkg_temp_thermal
intel_powerclamp coretemp kvm_intel kvm joydev input_leds sb_edac irqbypass
crct10dif_pclmul crc32_pclmul aesni_intel edac_core aes_x86_64 lrw gf128mul
glue_helper ablk_helper cryptd dm_multipath lpc_ich ipmi_ssif ipmi_devintf
shpchp 8250_fintek mac_hid acpi_power_meter ipmi_si ipmi_msghandler iTCO_wdt
iTCO_vendor_support raid10 raid456 async_raid6_recov async_memcpy async_pq
async_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear ses enclosure
raid1 ast ttm ixgbe hid_generic igb vxlan drm_kms_helper syscopyarea
ip6_udp_tunnel usbhid dca sysfillrect udp_tunnel sysimgblt hid mxm_wmi
fb_sys_fops mpt3sas ptp drm ahci raid_class pps_core libahci i2c_algo_bit mdio
scsi_transport_sas fjes wmi
[1135572.448909] CPU: 15 PID: 2018 Comm: sh Not tainted 4.4.0-31-generic
#50~14.04.1-Ubuntu
[1135572.450082] Hardware name: Quanta Computer Inc.
X-100.Column.01/S2PC-MB(Dual 1G LOM), BIOS S2P_3B04.HGT02 09/21/2016
[1135572.451346] task: ffff8814923ae040 ti: ffff882eba658000 task.ti:
ffff882eba658000
[1135572.452494] RIP: 0010:[<ffffffff811e7c71>] [<ffffffff811e7c71>]
__split_huge_page+0x691/0x6d0
[1135572.453580] RSP: 0018:ffff882eba65b7e0 EFLAGS: 00010292
[1135572.454589] RAX: 0000000000000027 RBX: ffffea00012e0000 RCX:
0000000000000000
[1135572.455742] RDX: 0000000000000001 RSI: ffff883fff3cdc78 RDI:
ffff883fff3cdc78
[1135572.457040] RBP: ffff882eba65b860 R08: 0000000000000000 R09:
ffff881fe93eaf00
[1135572.458271] R10: 00000000000003ff R11: 0000000000000ac1 R12:
0000000000000000
[1135572.459539] R13: ffff882eba65ba10 R14: ffffea00012e0000 R15:
ffffea00012e0000
[1135572.460746] FS: 00007fcf6b305740(0000) GS:ffff883fff3c0000(0000)
knlGS:0000000000000000
[1135572.461972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1135572.463237] CR2: 0000558db9da0bb8 CR3: 00000021667eb000 CR4:
00000000003406e0
[1135572.464515] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[1135572.465831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[1135572.467177] Stack:
[1135572.468502] 0000000000000000 ffff882eba65b840 ffffffff811bdfe9
ffff883fed2e51d0
[1135572.469769] 00000000811c67c8 ffff883fee9bb760 00000007f43c9000
ffff882eba65ba10
[1135572.471040] 0000000000007b6d ffffffff81c72fa0 ffff883ff17340f4
ffffea00012e0000
[1135572.472277] Call Trace:
[1135572.473574] [<ffffffff811bdfe9>] ? rmap_walk+0x239/0x2d0
[1135572.475079] [<ffffffff811e7d17>] split_huge_page_to_list+0x67/0xd0
[1135572.476473] [<ffffffff811c4357>] add_to_swap+0x57/0x70
[1135572.477852] [<ffffffff811967ec>] shrink_page_list+0x62c/0x770
[1135572.479246] [<ffffffff81196f49>] shrink_inactive_list+0x1e9/0x500
[1135572.480688] [<ffffffff81197b9e>] shrink_lruvec+0x58e/0x730
[1135572.482077] [<ffffffff81093ba0>] ? __queue_work+0x130/0x350
[1135572.483615] [<ffffffff81093ba0>] ? __queue_work+0x130/0x350
[1135572.485078] [<ffffffff81197e1c>] shrink_zone+0xdc/0x2c0
[1135572.486661] [<ffffffff81198374>] do_try_to_free_pages+0x164/0x440
[1135572.488354] [<ffffffff8119397d>] ? throttle_direct_reclaim+0x8d/0x230
[1135572.490068] [<ffffffff81198705>] try_to_free_pages+0xb5/0x170
[1135572.491535] [<ffffffff8118b7c7>] __alloc_pages_nodemask+0x597/0xac0
[1135572.493287] [<ffffffff8118bead>] alloc_kmem_pages_node+0x4d/0xd0
[1135572.495083] [<ffffffff8107af35>] copy_process+0x185/0x1c70
[1135572.496792] [<ffffffff81115902>] ? from_kgid_munged+0x12/0x20
[1135572.498404] [<ffffffff8120296d>] ? cp_new_stat+0x13d/0x160
[1135572.500116] [<ffffffff8107cbba>] _do_fork+0x8a/0x310
[1135572.501866] [<ffffffff8107cee9>] SyS_clone+0x19/0x20
[1135572.503672] [<ffffffff817f6f36>] entry_SYSCALL_64_fastpath+0x16/0x75
[1135572.505395] Code: 16 d0 fe ff e9 37 fa ff ff 0f 0b 0f 0b 0f 0b 0f 0b 0f
0b 41 8b 57 18 8b 75 a4 48 c7 c7 48 f0 ac 81 31 c0 83 c2 01 e8 01 8d f9 ff <0f>
0b 48 8b 55 c0 4c 89 ee 4c 89 f7 89 4d a8 e8 5b d0 fe ff 8b
[1135572.509080] RIP [<ffffffff811e7c71>] __split_huge_page+0x691/0x6d0
[1135572.510823] RSP <ffff882eba65b7e0>
[1135572.517043] ---[ end trace 6c09902f497f90d9 ]---
I would like to know if this is a know issue with this kernel, or, a new
issue being reported.
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