Public bug reported:
I used php-memcached with moodle and a local memcached server (started
with memcached -m 254 -p 11211 -u memcache -l 127.0.0.1)
On the kernel log I saw some segfaults in syslog
Feb 5 07:34:23 web1 kernel: [64110.070130] INFO: rcu_sched detected stall on
CPU 1 (t=18717 jiffies)
Feb 5 07:34:23 web1 kernel: [64110.070130] sending NMI to all CPUs:
Feb 5 07:34:23 web1 kernel: [64110.070130] NMI backtrace for cpu 1
Feb 5 07:34:23 web1 kernel: [64110.070130] CPU 1
Feb 5 07:34:23 web1 kernel: [64110.070130] Modules linked in: ip6table_filter
ip6_tables xt_CHECKSUM xt_tcpudp iptable_mangle xt_multiport iptable_filter
ip_tables x_tables qu
ota_v2 quota_tree psmouse joydev serio_raw mac_hid lp i2c_piix4 parport usbhid
hid floppy
Feb 5 07:34:23 web1 kernel: [64110.070130]
Feb 5 07:34:23 web1 kernel: [64110.070130] Pid: 16241, comm: kworker/1:1 Not
tainted 3.2.0-37-generic #58-Ubuntu Bochs Bochs
Feb 5 07:34:23 web1 kernel: [64110.070130] RIP: 0010:[<ffffffff810382cf>]
[<ffffffff810382cf>] flat_send_IPI_all+0xaf/0xd0
Feb 5 07:34:23 web1 kernel: [64110.070130] RSP: 0018:ffff88011fd03d88 EFLAGS:
00010006
Feb 5 07:34:23 web1 kernel: [64110.070130] RAX: 0000000000000000 RBX:
0000000000000046 RCX: 000000000003ffff
Feb 5 07:34:23 web1 kernel: [64110.070130] RDX: 0000000000000000 RSI:
0000000000000086 RDI: 0000000000000300
Feb 5 07:34:23 web1 kernel: [64110.070130] RBP: ffff88011fd03da8 R08:
000000000000000a R09: 0000000000000000
Feb 5 07:34:23 web1 kernel: [64110.070130] R10: 0000000000000000 R11:
0000000000000000 R12: 0000000000000c00
Feb 5 07:34:23 web1 kernel: [64110.070130] R13: 0000000003000000 R14:
ffff88011fd0e7c0 R15: 0000000000000000
Feb 5 07:34:23 web1 kernel: [64110.070130] FS: 0000000000000000(0000)
GS:ffff88011fd00000(0000) knlGS:0000000000000000
Feb 5 07:34:23 web1 kernel: [64110.070130] CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b
Feb 5 07:34:23 web1 kernel: [64110.070130] CR2: 00007f6c6805a030 CR3:
00000000a66a8000 CR4: 00000000000006e0
Feb 5 07:34:23 web1 kernel: [64110.070130] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Feb 5 07:34:23 web1 kernel: [64110.070130] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Feb 5 07:34:23 web1 kernel: [64110.070130] Process kworker/1:1 (pid: 16241,
threadinfo ffff880081f6e000, task ffff880004e0dc00)
Feb 5 07:34:23 web1 kernel: [64110.070130] Stack:
Feb 5 07:34:23 web1 kernel: [64110.070130] 0000000000000000 0000000000002710
ffffffff81c31c00 ffffffff81c31d00
Feb 5 07:34:23 web1 kernel: [64110.070130] ffff88011fd03dc8 ffffffff810337a1
0000000000096000 ffffffff81c31c00
Feb 5 07:34:23 web1 kernel: [64110.070130] ffff88011fd03de8 ffffffff810e1917
ffff88011fd0e2d0 ffff88011fd0ec40
Feb 5 07:34:23 web1 kernel: [64110.070130] Call Trace:
Feb 5 07:34:23 web1 kernel: [64110.070130] <IRQ>
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff810337a1>]
arch_trigger_all_cpu_backtrace+0x61/0xa0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff810e1917>]
check_cpu_stall.isra.35+0x97/0xf0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff810e19a8>]
__rcu_pending+0x38/0x1d0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff810e1e39>]
rcu_check_callbacks+0x79/0x1e0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff810796e8>]
update_process_times+0x48/0x90
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8109d314>]
tick_sched_timer+0x64/0xc0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8108f978>]
__run_hrtimer+0x78/0x1f0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8109d2b0>] ?
tick_nohz_handler+0x100/0x100
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff810902a7>]
hrtimer_interrupt+0xf7/0x230
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff81668449>]
smp_apic_timer_interrupt+0x69/0x99
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8166631e>]
apic_timer_interrupt+0x6e/0x80
Feb 5 07:34:23 web1 kernel: [64110.070130] <EOI>
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8165d469>] ?
_raw_spin_unlock_irqrestore+0x19/0x30
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8145d2f9>]
ata_scsi_queuecmd+0xb9/0x2b0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff81424226>]
scsi_dispatch_cmd+0x136/0x2f0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8142b672>]
scsi_request_fn+0x3a2/0x470
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812ee86b>]
__blk_run_queue+0x1b/0x20
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812f8ddf>]
blk_execute_rq_nowait+0x7f/0xf0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812f8edd>]
blk_execute_rq+0x8d/0x140
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff811ae846>] ?
bio_phys_segments+0x26/0x30
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812f50c0>] ?
blk_rq_bio_prep+0x30/0xb0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812f893d>] ?
blk_rq_append_bio+0x5d/0x70
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8142a6de>]
scsi_execute+0xee/0x180
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8142b8dd>]
scsi_execute_req+0xbd/0x130
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff81449fe8>]
sr_get_events+0x78/0xf0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8144a0ac>]
sr_check_events+0x4c/0x1e0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8148722c>]
cdrom_check_events+0x1c/0x40
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8144a4d9>]
sr_block_check_events+0x19/0x20
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812fcdfb>]
disk_events_workfn+0x5b/0x150
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812fcda0>] ?
diskstats_show+0x480/0x480
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff81085c3a>]
process_one_work+0x11a/0x480
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff810869f4>]
worker_thread+0x164/0x370
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff81086890>] ?
manage_workers.isra.31+0x130/0x130
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8108b27c>]
kthread+0x8c/0xa0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff816679b4>]
kernel_thread_helper+0x4/0x10
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8108b1f0>] ?
flush_kthread_worker+0xa0/0xa0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff816679b0>] ?
gs_change+0x13/0x13
Feb 5 07:34:23 web1 kernel: [64110.070130] Code: 8b 05 16 62 ca 00 41 c1 e5 18
44 8b 60 34 ff 90 48 01 00 00 44 89 2c 25 10 b3 5f ff 41 81 cc 00 04 00 00 44
89 24 25 00 b3 5f ff <48> 89 df 57 9d 0f 1f 44 00 00 48 83 c4 08 5b 41 5c 41 5d
5d c3
Feb 5 07:34:23 web1 kernel: [64110.070130] Call Trace:
Feb 5 07:34:23 web1 kernel: [64110.070130] <IRQ> [<ffffffff810337a1>]
arch_trigger_all_cpu_backtrace+0x61/0xa0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff810e1917>]
check_cpu_stall.isra.35+0x97/0xf0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff810e19a8>]
__rcu_pending+0x38/0x1d0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff810e1e39>]
rcu_check_callbacks+0x79/0x1e0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff810796e8>]
update_process_times+0x48/0x90
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8109d314>]
tick_sched_timer+0x64/0xc0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8108f978>]
__run_hrtimer+0x78/0x1f0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8109d2b0>] ?
tick_nohz_handler+0x100/0x100
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff810902a7>]
hrtimer_interrupt+0xf7/0x230
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff81668449>]
smp_apic_timer_interrupt+0x69/0x99
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8166631e>]
apic_timer_interrupt+0x6e/0x80
Feb 5 07:34:23 web1 kernel: [64110.070130] <EOI> [<ffffffff8165d469>] ?
_raw_spin_unlock_irqrestore+0x19/0x30
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8145d2f9>]
ata_scsi_queuecmd+0xb9/0x2b0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff81424226>]
scsi_dispatch_cmd+0x136/0x2f0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8142b672>]
scsi_request_fn+0x3a2/0x470
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812ee86b>]
__blk_run_queue+0x1b/0x20
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812f8ddf>]
blk_execute_rq_nowait+0x7f/0xf0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812f8edd>]
blk_execute_rq+0x8d/0x140
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff811ae846>] ?
bio_phys_segments+0x26/0x30
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812f50c0>] ?
blk_rq_bio_prep+0x30/0xb0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812f893d>] ?
blk_rq_append_bio+0x5d/0x70
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8142a6de>]
scsi_execute+0xee/0x180
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8142b8dd>]
scsi_execute_req+0xbd/0x130
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff81449fe8>]
sr_get_events+0x78/0xf0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8144a0ac>]
sr_check_events+0x4c/0x1e0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8148722c>]
cdrom_check_events+0x1c/0x40
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8144a4d9>]
sr_block_check_events+0x19/0x20
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812fcdfb>]
disk_events_workfn+0x5b/0x150
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff812fcda0>] ?
diskstats_show+0x480/0x480
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff81085c3a>]
process_one_work+0x11a/0x480
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff810869f4>]
worker_thread+0x164/0x370
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff81086890>] ?
manage_workers.isra.31+0x130/0x130
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8108b27c>]
kthread+0x8c/0xa0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff816679b4>]
kernel_thread_helper+0x4/0x10
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff8108b1f0>] ?
flush_kthread_worker+0xa0/0xa0
Feb 5 07:34:23 web1 kernel: [64110.070130] [<ffffffff816679b0>] ?
gs_change+0x13/0x13
Feb 5 07:34:23 web1 kernel: [64110.430448] NMI backtrace for cpu 0
Feb 5 07:34:23 web1 kernel: [64110.430451] CPU 0
Feb 5 07:34:23 web1 kernel: [64110.430453] Modules linked in: ip6table_filter
ip6_tables xt_CHECKSUM xt_tcpudp iptable_mangle xt_multiport iptable_filter
ip_tables x_tables quota_v2 quota_tree psmouse joydev serio_raw mac_hid lp
i2c_piix4 parport usbhid hid floppy
Feb 5 07:34:23 web1 kernel: [64110.430468]
Feb 5 07:34:23 web1 kernel: [64110.430471] Pid: 5346, comm: php5-fpm Not
tainted 3.2.0-37-generic #58-Ubuntu Bochs Bochs
Feb 5 07:34:23 web1 kernel: [64110.430474] RIP: 0010:[<ffffffff81198f80>]
[<ffffffff81198f80>] __lookup_mnt+0x60/0x70
Feb 5 07:34:23 web1 kernel: [64110.430482] RSP: 0018:ffff88010809db58 EFLAGS:
00000246
Feb 5 07:34:23 web1 kernel: [64110.430484] RAX: ffff880118ba4e00 RBX:
ffff88010809dc70 RCX: ffff880118a24bf0
Feb 5 07:34:23 web1 kernel: [64110.430486] RDX: 0000000000000001 RSI:
ffff88011ac2fa80 RDI: ffff880114b87a00
Feb 5 07:34:23 web1 kernel: [64110.430488] RBP: ffff88010809db58 R08:
0000000000000003 R09: ffff88011ac2fab8
Feb 5 07:34:23 web1 kernel: [64110.430490] R10: ffff88011ac2fa80 R11:
0000000000000003 R12: ffff88010809de00
Feb 5 07:34:23 web1 kernel: [64110.430491] R13: ffff88010809de04 R14:
ffff88010809dca0 R15: ffff88010809dca0
Feb 5 07:34:23 web1 kernel: [64110.430493] FS: 00007f958aee6700(0000)
GS:ffff88011fc00000(0000) knlGS:0000000000000000
Feb 5 07:34:23 web1 kernel: [64110.430496] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Feb 5 07:34:23 web1 kernel: [64110.430497] CR2: 00007f7803d21000 CR3:
0000000108089000 CR4: 00000000000006f0
Feb 5 07:34:23 web1 kernel: [64110.430505] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Feb 5 07:34:23 web1 kernel: [64110.430512] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Feb 5 07:34:23 web1 kernel: [64110.430515] Process php5-fpm (pid: 5346,
threadinfo ffff88010809c000, task ffff880117ccc500)
Feb 5 07:34:23 web1 kernel: [64110.430516] Stack:
Feb 5 07:34:23 web1 kernel: [64110.430537] ffff88010809db88 ffffffff81184987
ffff88010809ddc8 ffff88010809dc70
Feb 5 07:34:23 web1 kernel: [64110.430541] ffff88011ac2fa80 0000000000000001
ffff88010809dc08 ffffffff8118624d
Feb 5 07:34:23 web1 kernel: [64110.430546] 0000000000000081 ffff88011ac74790
ffff88010809dbd8 ffff880114b87a00
Feb 5 07:34:23 web1 kernel: [64110.430550] Call Trace:
Feb 5 07:34:23 web1 kernel: [64110.430571] [<ffffffff81184987>]
__follow_mount_rcu.isra.12+0x37/0xd0
Feb 5 07:34:23 web1 kernel: [64110.430574] [<ffffffff8118624d>]
do_lookup+0xbd/0x310
Feb 5 07:34:23 web1 kernel: [64110.430577] [<ffffffff81186c98>]
link_path_walk+0x138/0x870
Feb 5 07:34:23 web1 kernel: [64110.430582] [<ffffffff8118624d>] ?
do_lookup+0xbd/0x310
Feb 5 07:34:23 web1 kernel: [64110.430584] [<ffffffff81187edd>] ?
path_init+0x2ed/0x3c0
Feb 5 07:34:23 web1 kernel: [64110.430586] [<ffffffff81188008>]
path_lookupat+0x58/0x750
Feb 5 07:34:23 web1 kernel: [64110.430589] [<ffffffff81185b82>] ?
complete_walk+0x92/0x120
Feb 5 07:34:23 web1 kernel: [64110.430594] [<ffffffff8131ae87>] ?
__strncpy_from_user+0x27/0x60
Feb 5 07:34:23 web1 kernel: [64110.430597] [<ffffffff81188731>]
do_path_lookup+0x31/0xc0
Feb 5 07:34:23 web1 kernel: [64110.430599] [<ffffffff81189239>]
user_path_at_empty+0x59/0xa0
Feb 5 07:34:23 web1 kernel: [64110.430606] [<ffffffff812d8f24>] ?
apparmor_inode_getattr+0x54/0x60
Feb 5 07:34:23 web1 kernel: [64110.430609] [<ffffffff8165d25e>] ?
_raw_spin_lock+0xe/0x20
Feb 5 07:34:23 web1 kernel: [64110.430613] [<ffffffff8117e018>] ?
cp_new_stat+0xf8/0x110
Feb 5 07:34:23 web1 kernel: [64110.430615] [<ffffffff81189291>]
user_path_at+0x11/0x20
Feb 5 07:34:23 web1 kernel: [64110.430618] [<ffffffff8117e23a>]
vfs_fstatat+0x3a/0x70
Feb 5 07:34:23 web1 kernel: [64110.430621] [<ffffffff8117e28e>]
vfs_lstat+0x1e/0x20
Feb 5 07:34:23 web1 kernel: [64110.430623] [<ffffffff8117e42a>]
sys_newlstat+0x1a/0x40
Feb 5 07:34:23 web1 kernel: [64110.430635] [<ffffffff81665842>]
system_call_fastpath+0x16/0x1b
Feb 5 07:34:23 web1 kernel: [64110.430637] Code: eb 17 66 0f 1f 84 00 00 00 00
00 48 8b 00 48 39 c8 74 13 48 39 78 10 74 12 85 d2 75 ee 48 8b 40 08 48 39 c8
75 ed 31 c0 5d c3 90 <48> 39 70 18 75 e8 5d c3 0f 1f 84 00 00 00 00 00 55 48 89
e5 53
Feb 5 07:34:23 web1 kernel: [64110.430801] Call Trace:
Feb 5 07:34:23 web1 kernel: [64110.430804] [<ffffffff81184987>]
__follow_mount_rcu.isra.12+0x37/0xd0
Feb 5 07:34:23 web1 kernel: [64110.430806] [<ffffffff8118624d>]
do_lookup+0xbd/0x310
Feb 5 07:34:23 web1 kernel: [64110.430808] [<ffffffff81186c98>]
link_path_walk+0x138/0x870
Feb 5 07:34:23 web1 kernel: [64110.430810] [<ffffffff8118624d>] ?
do_lookup+0xbd/0x310
Feb 5 07:34:23 web1 kernel: [64110.430812] [<ffffffff81187edd>] ?
path_init+0x2ed/0x3c0
Feb 5 07:34:23 web1 kernel: [64110.430814] [<ffffffff81188008>]
path_lookupat+0x58/0x750
Feb 5 07:34:23 web1 kernel: [64110.430816] [<ffffffff81185b82>] ?
complete_walk+0x92/0x120
Feb 5 07:34:23 web1 kernel: [64110.430818] [<ffffffff8131ae87>] ?
__strncpy_from_user+0x27/0x60
Feb 5 07:34:23 web1 kernel: [64110.430820] [<ffffffff81188731>]
do_path_lookup+0x31/0xc0
Feb 5 07:34:23 web1 kernel: [64110.430822] [<ffffffff81189239>]
user_path_at_empty+0x59/0xa0
Feb 5 07:34:23 web1 kernel: [64110.430825] [<ffffffff812d8f24>] ?
apparmor_inode_getattr+0x54/0x60
Feb 5 07:34:23 web1 kernel: [64110.430827] [<ffffffff8165d25e>] ?
_raw_spin_lock+0xe/0x20
Feb 5 07:34:23 web1 kernel: [64110.430829] [<ffffffff8117e018>] ?
cp_new_stat+0xf8/0x110
Feb 5 07:34:23 web1 kernel: [64110.430831] [<ffffffff81189291>]
user_path_at+0x11/0x20
Feb 5 07:34:23 web1 kernel: [64110.430833] [<ffffffff8117e23a>]
vfs_fstatat+0x3a/0x70
Feb 5 07:34:23 web1 kernel: [64110.430845] [<ffffffff8117e28e>]
vfs_lstat+0x1e/0x20
Feb 5 07:34:23 web1 kernel: [64110.430847] [<ffffffff8117e42a>]
sys_newlstat+0x1a/0x40
Feb 5 07:34:23 web1 kernel: [64110.430849] [<ffffffff81665842>]
system_call_fastpath+0x16/0x1b
and later
Feb 5 07:59:41 web1 kernel: [65628.508115] php5-fpm[21260] general protection
ip:6a85c0 sp:7fff57cb7558 error:0 in php5-fpm[400000+75b000]
Feb 5 08:40:02 web1 kernel: [68049.724314] php5-fpm[21258] general protection
ip:6a85c0 sp:7fff57cb74f8 error:0 in php5-fpm[400000+75b000]
Feb 5 09:02:48 web1 kernel: [69415.995856] php5-fpm[23084] general protection
ip:6a85c0 sp:7fff57cb7518 error:0 in php5-fpm[400000+75b000]
Feb 5 09:20:06 web1 kernel: [70453.809899] php5-fpm[16586] general protection
ip:6a85c0 sp:7fff57cb7378 error:0 in php5-fpm[400000+75b000]
Feb 5 09:20:09 web1 kernel: [70456.116284] php5-fpm[19374] general protection
ip:6a85c0 sp:7fff57cb71e8 error:0 in php5-fpm[400000+75b000]
Feb 5 09:21:11 web1 kernel: [70518.152130] php5-fpm[27512] general protection
ip:6a85c0 sp:7fff57cb7518 error:0 in php5-fpm[400000+75b000]
Feb 5 09:21:57 web1 kernel: [70564.757524] php5-fpm[28075] general protection
ip:6a85c0 sp:7fff57cb70b8 error:0 in php5-fpm[400000+75b000]
Feb 5 09:22:17 web1 kernel: [70585.007276] php5-fpm[27529] general protection
ip:6a85c0 sp:7fff57cb71a8 error:0 in php5-fpm[400000+75b000]
Feb 5 09:22:49 web1 kernel: [70616.837526] php5-fpm[16199] general protection
ip:6a85c0 sp:7fff57cb7518 error:0 in php5-fpm[400000+75b000]
Feb 5 09:22:59 web1 kernel: [70626.128344] php5-fpm[13959] general protection
ip:6a85c0 sp:7fff57cb7358 error:0 in php5-fpm[400000+75b000]
Feb 5 09:30:02 web1 kernel: [71049.914264] php5-fpm[25786] general protection
ip:6a85c0 sp:7fffeb5599f8 error:0 in php5-fpm[400000+75b000]
Feb 5 09:53:10 web1 kernel: [72437.740902] php5-fpm[25899] general protection
ip:6a85c0 sp:7fffeb559fa8 error:0 in php5-fpm[400000+75b000]
Feb 5 09:53:13 web1 kernel: [72440.129650] php5-fpm[25785] general protection
ip:6a85c0 sp:7fffeb559b08 error:0 in php5-fpm[400000+75b000]
Feb 5 09:53:13 web1 kernel: [72440.347688] php5-fpm[26256] general protection
ip:6a85c0 sp:7fffeb559998 error:0 in php5-fpm[400000+75b000]
Feb 5 09:53:17 web1 kernel: [72444.225372] php5-fpm[26258] general protection
ip:6a85c0 sp:7fffeb559998 error:0 in php5-fpm[400000+75b000]
Feb 5 09:53:19 web1 kernel: [72446.510589] php5-fpm[26260] general protection
ip:6a85c0 sp:7fffeb559998 error:0 in php5-fpm[400000+75b000]
Feb 5 09:54:12 web1 kernel: [72499.264313] php5-fpm[26262] general protection
ip:6a85c0 sp:7fffeb559998 error:0 in php5-fpm[400000+75b000]
Feb 5 09:55:02 web1 kernel: [72549.671142] php5-fpm[26451] general protection
ip:6a85c0 sp:7fff37eb9ee8 error:0 in php5-fpm[400000+75b000]
Feb 5 09:56:26 web1 kernel: [72633.292575] php5-fpm[26531] general protection
ip:6a85c0 sp:7fff37eb9a48 error:0 in php5-fpm[400000+75b000]
Feb 5 09:56:46 web1 kernel: [72653.397743] php5-fpm[26452] general protection
ip:6a85c0 sp:7fff37eb97a8 error:0 in php5-fpm[400000+75b000]
Feb 5 10:00:04 web1 kernel: [72851.093285] php5-fpm[26533] general protection
ip:6a85c0 sp:7fff37eb9e98 error:0 in php5-fpm[400000+75b000]
Feb 5 10:01:39 web1 kernel: [72946.929396] php5-fpm[17023] general protection
ip:6a85c0 sp:7fff35dd5998 error:0 in php5-fpm[400000+75b000]
Feb 5 10:01:52 web1 kernel: [72959.872602] php5-fpm[17161] general protection
ip:6a85c0 sp:7fff0563ce18 error:0 in php5-fpm[400000+75b000]
Feb 5 10:04:43 web1 kernel: [73130.237359] php5-fpm[15920] general protection
ip:6a85c0 sp:7fff8ddf1118 error:0 in php5-fpm[400000+75b000]
Feb 5 10:05:03 web1 kernel: [73150.486750] php5-fpm[15921] general protection
ip:6a85c0 sp:7fff8ddf1488 error:0 in php5-fpm[400000+75b000]
Feb 5 10:08:46 web1 kernel: [73373.283093] php5-fpm[16120] general protection
ip:6a85c0 sp:7ffff722c888 error:0 in php5-fpm[400000+75b000]
Feb 5 10:08:55 web1 kernel: [73382.757964] php5-fpm[16119] general protection
ip:6a85c0 sp:7ffff722ca68 error:0 in php5-fpm[400000+75b000]
Feb 5 10:10:03 web1 kernel: [73450.631192] php5-fpm[16156] general protection
ip:6a85c0 sp:7ffff722ca58 error:0 in php5-fpm[400000+75b000]
Feb 5 10:12:27 web1 kernel: [73594.141819] php5-fpm[16474] general protection
ip:6a85c0 sp:7fff59b186c8 error:0 in php5-fpm[400000+75b000]
Feb 5 10:12:41 web1 kernel: [73608.226830] php5-fpm[16475] general protection
ip:6a85c0 sp:7fff59b18558 error:0 in php5-fpm[400000+75b000]
currently I test the php-memcache plugin.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: php5-memcached 1.0.2-2
ProcVersionSignature: Ubuntu 3.2.0-37.58-generic 3.2.35
Uname: Linux 3.2.0-37-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
Date: Tue Feb 5 10:32:21 2013
InstallationMedia: Ubuntu-Server 12.04.1 LTS "Precise Pangolin" - Release amd64
(20120817.3)
MarkForUpload: True
ProcEnviron:
TERM=screen
SHELL=/bin/bash
PATH=(custom, no user)
LANG=de_DE.UTF-8
SourcePackage: php-memcached
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: php-memcached (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
** Attachment added: "full dmesg"
https://bugs.launchpad.net/bugs/1116091/+attachment/3515456/+files/dmesg
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https://bugs.launchpad.net/bugs/1116091
Title:
segfaults when using with php-fpm
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