This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1389787
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: saucy
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https://bugs.launchpad.net/bugs/1389787
Title:
3.11 memory consumption leads to HANG (not sure if 3.13 suffers from
this).
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
It was brought to my attention the following stack traces (occurring
several times on different machines):
crash> bt
PID: 2877 TASK: ffff881009b42ee0 CPU: 1 COMMAND: "git"
#0 [ffff880c0c6bb9d0] machine_kexec at ffffffff8104b141
#1 [ffff880c0c6bba40] crash_kexec at ffffffff810d5a58
#2 [ffff880c0c6bbb10] oops_end at ffffffff81748b38
#3 [ffff880c0c6bbb40] no_context at ffffffff8172dd02
#4 [ffff880c0c6bbb90] __bad_area_nosemaphore at ffffffff8172dee4
#5 [ffff880c0c6bbbf0] bad_area at ffffffff8172df5d
#6 [ffff880c0c6bbc20] __do_page_fault at ffffffff8174bda8
#7 [ffff880c0c6bbd30] do_page_fault at ffffffff8174bde7
#8 [ffff880c0c6bbd60] page_fault at ffffffff81747e98
[exception RIP: kmem_cache_alloc_trace+106]
RIP: ffffffff8119b22a RSP: ffff880c0c6bbe18 RFLAGS: 00010206
RAX: 0000000000000000 RBX: ffff88008407e0c0 RCX: 00000000031b6bc9
RDX: 00000000031b6bc8 RSI: 00000000000080d0 RDI: 00000000000173c0
RBP: ffff880c0c6bbe68 R8: ffff88081fa373c0 R9: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: ffff88081f403800
R13: 0000000000629050 R14: ffffffff811bcfe4 R15: 00000000000080d0
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#9 [ffff880c0c6bbe70] alloc_pipe_info at ffffffff811bcfe4
#10 [ffff880c0c6bbe90] get_pipe_inode at ffffffff811bd0aa
#11 [ffff880c0c6bbeb0] create_pipe_files at ffffffff811bd648
#12 [ffff880c0c6bbef0] __do_pipe_flags at ffffffff811bd7d2
#13 [ffff880c0c6bbf30] sys_pipe2 at ffffffff811bd8f0
#14 [ffff880c0c6bbf70] sys_pipe at ffffffff811bd980
#15 [ffff880c0c6bbf80] system_call_fastpath at ffffffff8175099d
RIP: 00007f2d245da7e7 RSP: 00007fff6a4cfb18 RFLAGS: 00010283
RAX: 0000000000000016 RBX: ffffffff8175099d RCX: 000000000000001c
RDX: 00007f2d248aeac0 RSI: 0000000000000000 RDI: 00007fff6a4cfad0
RBP: 0000000000000002 R8: 0000000000000000 R9: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: ffffffff811bd980
R13: ffff880c0c6bbf78 R14: 0000000000000000 R15: 000000000232efc0
ORIG_RAX: 0000000000000016 CS: 0033 SS: 002b
AND
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152703] SysRq : Show backtrace of
all active CPUs
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152708] sending NMI to all CPUs:
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152714] NMI backtrace for cpu 0
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152720] CPU: 0 PID: 13579 Comm:
python Tainted: GF I 3.11.0-15-generic #25~precise1-Ubuntu
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152721] Hardware name: HP ProLiant
BL460c G7, BIOS I27 05/05/2011
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152724] task: ffff880085f50000 ti:
ffff880a64afa000 task.ti: ffff880a64afa000
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152725] RIP:
0010:[<ffffffff81050ff5>] [<ffffffff81050ff5>] __ticket_spin_lock+0x25/0x30
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152736] RSP: 0018:ffff880a64afb748
EFLAGS: 00000293
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152737] RAX: 000000000000db25 RBX:
ffff880be8576480 RCX: 000000018066002a
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152739] RDX: 000000000000db2e RSI:
0000000000000001 RDI: ffff880be8576480
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152740] RBP: ffff880a64afb748 R08:
0000000000000000 R09: ffffea002407db00
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152741] R10: ffffffff8128d8ed R11:
0000000000000001 R12: ffff8807572480b0
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152743] R13: ffff8807572481b8 R14:
00000000ffffffff R15: ffff8805e9c77908
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152745] FS: 00007ff00d4db700(0000)
GS:ffff880c0ba00000(0000) knlGS:0000000000000000
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152746] CS: 0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152748] CR2: 00007fb66906d8e0 CR3:
000000053b3dd000 CR4: 00000000000007f0
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152749] Stack:
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152750] ffff880a64afb758
ffffffff8174759e ffff880a64afb778 ffffffff8128eb02
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152756] ffff8807572480b0
ffff880757248200 ffff880a64afb798 ffffffff81270595
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152759] ffff880a64afb798
ffff8807572480b0 ffff880a64afb7c8 ffffffff81257621
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152763] Call Trace:
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152770] [<ffffffff8174759e>]
_raw_spin_lock+0xe/0x20
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152776] [<ffffffff8128eb02>]
ext4_es_lru_del+0x32/0x80
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152781] [<ffffffff81270595>]
ext4_clear_inode+0x45/0x90
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152786] [<ffffffff81257621>]
ext4_evict_inode+0x81/0x510
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152792] [<ffffffff811ce490>]
evict+0xc0/0x1d0
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152795] [<ffffffff811ce5e1>]
dispose_list+0x41/0x50
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152797] [<ffffffff8174756f>] ?
_raw_spin_trylock+0xf/0x30
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152800] [<ffffffff811cf5d5>]
prune_icache_sb+0x185/0x340
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152806] [<ffffffff811b7703>]
prune_super+0x193/0x1b0
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152812] [<ffffffff8115af04>]
shrink_slab+0x154/0x300
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152816] [<ffffffff8115dbf8>]
do_try_to_free_pages+0x218/0x290
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152819] [<ffffffff8115dfa4>]
try_to_free_pages+0xe4/0x1a0
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152823] [<ffffffff811520b8>]
__alloc_pages_nodemask+0x618/0x9a0
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152827] [<ffffffff817336c8>] ?
mem_cgroup_update_tree+0x9c/0x121
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152831] [<ffffffff811920a3>]
alloc_pages_vma+0xa3/0x150
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152837] [<ffffffff81170249>]
do_wp_page+0xc9/0x7c0
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152840] [<ffffffff81172d8c>]
handle_pte_fault+0x1ec/0x230
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152842] [<ffffffff81173ff0>]
handle_mm_fault+0x2a0/0x3e0
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152847] [<ffffffff8174b9ff>]
__do_page_fault+0x1af/0x560
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152850] [<ffffffff811b8de7>] ?
cp_new_stat+0x107/0x120
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152856] [<ffffffff810ca06c>] ?
do_futex+0x7c/0x1b0
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152858] [<ffffffff811b91b5>] ?
SYSC_newstat+0x25/0x30
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152861] [<ffffffff8174bde7>]
do_page_fault+0x37/0x70
Oct 15 14:19:08 LGEARND8B5 kernel: [796493.152864] [<ffffffff81747e98>]
page_fault+0x28/0x30
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