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Subjectmm/pcp: NULL pointer access at free_pcppages_bulk()
Does someone have seen the call trace?

Linux version 3.0.101-0.46-default (geeko@buildhost) (gcc version 4.3.4 [gcc-4_3-branch revision 152973] (SUSE Linux) ) #1 SMP Wed Dec 17 11:04:10 UTC 2014 (8356111)
Command line: root=/dev/rootvg/rootlv resume=/dev/rootvg/swaplv splash=silent crashkernel=512M vga=0x31a

<1>[7241687.198999] BUG: unable to handle kernel NULL pointer dereference at (null)
<1>[7241687.199013] IP: [<ffffffff81103698>] free_pcppages_bulk+0xd8/0x430
<4>[7241687.199026] PGD 0
<0>[7241687.199029] Oops: 0002 [#1] SMP
<4>[7241687.199036] CPU 6
<4>[7241687.199037] Modules linked in: mmfs26(EX) mmfslinux(EX) tracedev(EX) raw binfmt_misc edd dm_service_time dm_multipath bonding rdma_ucm rdma_cm iw_cm ib_addr ib_srp scsi_transport_srp ib_ipoib ib_cm ib_uverbs ib_umad iw_cxgb3 cxgb3 mdio ib_mthca mperf fuse loop mlx4_ib mlx4_en ib_sa ib_mad ib_core ipv6 ipv6_lib i2c_i801 pcspkr igb mei dca ptp pps_core i2c_core mlx4_core joydev sr_mod cdrom wmi sg acpi_memhotplug rtc_cmos button container ext3 jbd mbcache usbhid hid dm_mirror dm_region_hash dm_log linear ehci_hcd usbcore sd_mod usb_common crc_t10dif processor thermal_sys hwmon scsi_dh_emc scsi_dh_rdac scsi_dh_hp_sw scsi_dh_alua scsi_dh dm_snapshot dm_mod ahci libahci libata lpfc scsi_transport_fc scsi_tgt megaraid_sas scsi_mod
<4>[7241687.199112] Supported: Yes, External
<4>[7241687.199114]
<4>[7241687.199118] Pid: 181, comm: kworker/6:1 Tainted: G E X 3.0.101-0.46-default #1 To be filled by O.E.M. Tecal RH5885 V3/BC61BLCA
<4>[7241687.199124] RIP: 0010:[<ffffffff81103698>] [<ffffffff81103698>] free_pcppages_bulk+0xd8/0x430
<4>[7241687.199130] RSP: 0018:ffff881fc2025cd0 EFLAGS: 00010097
<4>[7241687.199133] RAX: 0000000000000000 RBX: ffffea01a1081d48 RCX: ffff88207fb13aa8
<4>[7241687.199136] RDX: ffff88207fb13aa0 RSI: ffffea0194c14160 RDI: 0000000000000000
<4>[7241687.199139] RBP: ffffea01a1081d20 R08: 0000000000000000 R09: 0000000000000000
<4>[7241687.199142] R10: ffffea0194c14138 R11: ffff88807ff97f80 R12: 0000000000000001
<4>[7241687.199146] R13: ffff88807ff97f80 R14: 0000000000000002 R15: 0000000000000002
<4>[7241687.199149] FS: 0000000000000000(0000) GS:ffff88207fb00000(0000) knlGS:0000000000000000
<4>[7241687.199153] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
<4>[7241687.199156] CR2: 0000000000000000 CR3: 0000000001a09000 CR4: 00000000001407e0
<4>[7241687.199159] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[7241687.199163] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
<4>[7241687.199166] Process kworker/6:1 (pid: 181, threadinfo ffff881fc2024000, task ffff881fc2022500)
<0>[7241687.199170] Stack:
<4>[7241687.199172] ffffffff810095d5 ffff88207fb13aa8 0000000000000030 ffff88807ff97fe0
<4>[7241687.199189] ffff88207fb13a70 000000090000001f ffff88207fb13aa0 ffff88207fb13a70
<4>[7241687.199196] 000000000000001f 0000000000000282 0000000000000006 ffff88207fb13e05
<0>[7241687.199202] Call Trace:
<4>[7241687.199215] [<ffffffff8110472f>] drain_zone_pages+0x3f/0x60
<4>[7241687.199225] [<ffffffff81119808>] refresh_cpu_vm_stats+0x138/0x150
<4>[7241687.199233] [<ffffffff81119831>] vmstat_update+0x11/0x40
<4>[7241687.199241] [<ffffffff8107cf7c>] process_one_work+0x16c/0x350
<4>[7241687.199248] [<ffffffff8107fbaa>] worker_thread+0x17a/0x410
<4>[7241687.199255] [<ffffffff81083f16>] kthread+0x96/0xa0
<4>[7241687.199264] [<ffffffff8146d964>] kernel_thread_helper+0x4/0x10
<0>[7241687.199270] Code: 08 48 89 44 24 10 48 89 4c 24 08 0f 1f 84 00 00 00 00 00 48 8b 4c 24 08 48 8b 19 48 8d 6b d8 48 8b 45 30 48 8b 55 28 48 89 42 08
<48>[7241687.199289] 89 10 48 b8 00 01 10 00 00 00 ad de 48 89 45 28 48 b8 00 02
<1>[7241687.199300] RIP [<ffffffff81103698>] free_pcppages_bulk+0xd8/0x430
<4>[7241687.199305] RSP <ffff881fc2025cd0>
<0>[7241687.199307] CR2: 0000000000000000



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