Public bug reported:
The following kernel trace (together with a dump) was brought to me:
...
[ 8650.749804] SLUB: Unable to allocate memory on node -1 (gfp=0x2080020)
[ 8650.749809] cache:
kmalloc-64(2958:318bd9ccdb762575c670d0f17241a655a4d31b0358a6017686497cf166ea647e),
object size: 64, buffer size: 64, default order: 0, min order: 0
[ 8650.749812] node 0: slabs: 83, objs: 5312, free: 0
[ 8650.749814] node 1: slabs: 59, objs: 3776, free: 0
[ 8650.749817] SLUB: Unable to allocate memory on node -1 (gfp=0x2080020)
[ 8650.749819] cache:
kmalloc-64(2958:318bd9ccdb762575c670d0f17241a655a4d31b0358a6017686497cf166ea647e),
object size: 64, buffer size: 64, default order: 0, min order: 0
[ 8650.749821] node 0: slabs: 83, objs: 5312, free: 0
[ 8650.749823] node 1: slabs: 59, objs: 3776, free: 0
[ 8650.749825] DMAR: Allocating 2-page iova for 0000:02:00.0 failed
[ 8650.756414] ------------[ cut here ]------------
[ 8650.761768] kernel BUG at
/build/linux-HSAA8v/linux-4.4.0/drivers/scsi/megaraid/megaraid_sas_fusion.c:1452!
[ 8650.772638] invalid opcode: 0000 [#1] SMP
[ 8650.777226] Modules linked in: vport_gre ip_gre ip6_tables xt_set
xt_multiport iptable_mangle iptable_raw ip_set_hash_ip ip_set_hash_net ip_set
ipip tunnel4 ip_tunnel veth xt_statistic xt_nat xt_recent ipt_REJECT
nf_reject_ipv4 xt_tcpudp gre openvswitch nf_defrag_ipv6 xt_comment xt_mark
ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user
xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype
iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter
bridge overlay 8021q garp mrp stp llc bonding ipmi_ssif ipmi_devintf kvm_intel
kvm irqbypass joydev input_leds ipmi_si ipmi_msghandler ib_iser rdma_cm iw_cm
ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi
scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov
[ 8650.857496] async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c
raid1 raid0 multipath linear uas hid_generic ahci crct10dif_pclmul usb_storage
crc32_pclmul ghash_clmulni_intel ixgbe igb aesni_intel usbhid aes_x86_64 dca
mdio lrw vxlan gf128mul ip6_udp_tunnel glue_helper udp_tunnel ablk_helper ptp
cryptd i2c_algo_bit libahci megaraid_sas pps_core hid scsi_dh_emc scsi_dh_rdac
scsi_dh_alua dm_multipath
[ 8650.897195] CPU: 5 PID: 9720 Comm: in_tail.rb:276 Not tainted
4.4.0-112-generic #135-Ubuntu
[ 8650.906514] Hardware name: Dell Inc. PowerEdge R730xd/072T6D, BIOS 2.1.7
06/16/2016
[ 8650.915059] task: ffff881d91f88000 ti: ffff881d91f90000 task.ti:
ffff881d91f90000
[ 8650.923409] RIP: 0010:[<ffffffffc00c80f4>] [<ffffffffc00c80f4>]
megasas_build_io_fusion+0x354/0x540 [megaraid_sas]
[ 8650.935073] RSP: 0000:ffff881d91f93a50 EFLAGS: 00010282
[ 8650.941000] RAX: 00000000fffffff4 RBX: ffff881fec2c0580 RCX: 0000000000000000
[ 8650.948960] RDX: 00000000fffffff4 RSI: 0000000000000246 RDI: 0000000000000246
[ 8650.956922] RBP: ffff881d91f93aa8 R08: 0000000000000005 R09: 0000000000000891
[ 8650.964883] R10: 0000000000000000 R11: 0000000000000891 R12: ffff883d72a79080
[ 8650.972845] R13: ffff881fec2c0500 R14: 00000000fffffff4 R15: ffff881fea100000
[ 8650.980806] FS: 00007f0d2d8f9ab0(0000) GS:ffff883ffb680000(0000)
knlGS:0000000000000000
[ 8650.989835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8650.996246] CR2: 00007f0d335a6972 CR3: 0000003fec1fa000 CR4: 0000000000360670
[ 8651.004207] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8651.012168] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8651.020129] Stack:
[ 8651.022372] ffff881d91f93a88 ffffffff815bf054 ffff881fea91f8c0
ffff883d72a79080
[ 8651.030663] ffff881feb8607d8 ffff881ff0029000 ffff881feb8607d8
ffff881fea91f8c0
[ 8651.038954] ffff883d72a79080 0000000000001055 0000000000000005
ffff881d91f93ae0
[ 8651.047247] Call Trace:
[ 8651.049982] [<ffffffff815bf054>] ? scsi_host_alloc_command+0x44/0xc0
[ 8651.057173] [<ffffffffc00c8373>]
megasas_build_and_issue_cmd_fusion+0x93/0x1b0 [megaraid_sas]
[ 8651.066787] [<ffffffffc00b8f88>] megasas_queue_command+0xf8/0x100
[megaraid_sas]
[ 8651.075139] [<ffffffff815c69e1>] scsi_dispatch_cmd+0xe1/0x240
[ 8651.081647] [<ffffffff815c9822>] scsi_request_fn+0x472/0x610
[ 8651.088064] [<ffffffff813c7833>] __blk_run_queue+0x33/0x40
[ 8651.094283] [<ffffffff813c7b0a>] queue_unplugged+0x2a/0xb0
[ 8651.100502] [<ffffffff813cdc96>] blk_flush_plug_list+0x1d6/0x240
[ 8651.107300] [<ffffffff813ce10c>] blk_finish_plug+0x2c/0x40
[ 8651.113522] [<ffffffff8119fb6a>] __do_page_cache_readahead+0x1aa/0x230
[ 8651.120903] [<ffffffff811917ed>] ? pagecache_get_page+0x2d/0x1c0
[ 8651.127704] [<ffffffff811933a5>] filemap_fault+0x375/0x3f0
[ 8651.133923] [<ffffffff811ceee1>] ? page_add_file_rmap+0x51/0x60
[ 8651.140629] [<ffffffff812a5d56>] ext4_filemap_fault+0x36/0x50
[ 8651.147128] [<ffffffff811bfe70>] __do_fault+0x50/0xe0
[ 8651.152860] [<ffffffff811c39c2>] handle_mm_fault+0xfa2/0x1820
[ 8651.159370] [<ffffffff81210ebb>] ? new_sync_write+0x9b/0xe0
[ 8651.165688] [<ffffffff8106b687>] __do_page_fault+0x197/0x400
[ 8651.172089] [<ffffffff8106b912>] do_page_fault+0x22/0x30
[ 8651.178116] [<ffffffff81849ac8>] page_fault+0x28/0x30
[ 8651.183848] Code: 34 c1 e9 31 fe ff ff 41 0f b7 87 68 09 00 00 4c 89 e7 48
c1 e0 04 c6 44 03 ff 00 e8 a7 29 50 c1 85 c0 41 89 c6 0f 89 93 fd ff ff <0f> 0b
48 8b 45 b8 48 8b 7d c8 4c 8b 30 49 8b 04 24 48 8b 8f f8
[ 8651.205479] RIP [<ffffffffc00c80f4>] megasas_build_io_fusion+0x354/0x540
[megaraid_sas]
...
** Affects: linux (Ubuntu)
Importance: Medium
Assignee: Rafael David Tinoco (inaddy)
Status: Opinion
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Rafael David Tinoco (inaddy)
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: New => Opinion
--
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https://bugs.launchpad.net/bugs/1755160
Title:
BUG() inside megaraid (megaraid_sas_fusion) driver
Status in linux package in Ubuntu:
Opinion
Bug description:
The following kernel trace (together with a dump) was brought to me:
...
[ 8650.749804] SLUB: Unable to allocate memory on node -1 (gfp=0x2080020)
[ 8650.749809] cache:
kmalloc-64(2958:318bd9ccdb762575c670d0f17241a655a4d31b0358a6017686497cf166ea647e),
object size: 64, buffer size: 64, default order: 0, min order: 0
[ 8650.749812] node 0: slabs: 83, objs: 5312, free: 0
[ 8650.749814] node 1: slabs: 59, objs: 3776, free: 0
[ 8650.749817] SLUB: Unable to allocate memory on node -1 (gfp=0x2080020)
[ 8650.749819] cache:
kmalloc-64(2958:318bd9ccdb762575c670d0f17241a655a4d31b0358a6017686497cf166ea647e),
object size: 64, buffer size: 64, default order: 0, min order: 0
[ 8650.749821] node 0: slabs: 83, objs: 5312, free: 0
[ 8650.749823] node 1: slabs: 59, objs: 3776, free: 0
[ 8650.749825] DMAR: Allocating 2-page iova for 0000:02:00.0 failed
[ 8650.756414] ------------[ cut here ]------------
[ 8650.761768] kernel BUG at
/build/linux-HSAA8v/linux-4.4.0/drivers/scsi/megaraid/megaraid_sas_fusion.c:1452!
[ 8650.772638] invalid opcode: 0000 [#1] SMP
[ 8650.777226] Modules linked in: vport_gre ip_gre ip6_tables xt_set
xt_multiport iptable_mangle iptable_raw ip_set_hash_ip ip_set_hash_net ip_set
ipip tunnel4 ip_tunnel veth xt_statistic xt_nat xt_recent ipt_REJECT
nf_reject_ipv4 xt_tcpudp gre openvswitch nf_defrag_ipv6 xt_comment xt_mark
ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user
xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype
iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter
bridge overlay 8021q garp mrp stp llc bonding ipmi_ssif ipmi_devintf kvm_intel
kvm irqbypass joydev input_leds ipmi_si ipmi_msghandler ib_iser rdma_cm iw_cm
ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi
scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov
[ 8650.857496] async_memcpy async_pq async_xor async_tx xor raid6_pq
libcrc32c raid1 raid0 multipath linear uas hid_generic ahci crct10dif_pclmul
usb_storage crc32_pclmul ghash_clmulni_intel ixgbe igb aesni_intel usbhid
aes_x86_64 dca mdio lrw vxlan gf128mul ip6_udp_tunnel glue_helper udp_tunnel
ablk_helper ptp cryptd i2c_algo_bit libahci megaraid_sas pps_core hid
scsi_dh_emc scsi_dh_rdac scsi_dh_alua dm_multipath
[ 8650.897195] CPU: 5 PID: 9720 Comm: in_tail.rb:276 Not tainted
4.4.0-112-generic #135-Ubuntu
[ 8650.906514] Hardware name: Dell Inc. PowerEdge R730xd/072T6D, BIOS 2.1.7
06/16/2016
[ 8650.915059] task: ffff881d91f88000 ti: ffff881d91f90000 task.ti:
ffff881d91f90000
[ 8650.923409] RIP: 0010:[<ffffffffc00c80f4>] [<ffffffffc00c80f4>]
megasas_build_io_fusion+0x354/0x540 [megaraid_sas]
[ 8650.935073] RSP: 0000:ffff881d91f93a50 EFLAGS: 00010282
[ 8650.941000] RAX: 00000000fffffff4 RBX: ffff881fec2c0580 RCX:
0000000000000000
[ 8650.948960] RDX: 00000000fffffff4 RSI: 0000000000000246 RDI:
0000000000000246
[ 8650.956922] RBP: ffff881d91f93aa8 R08: 0000000000000005 R09:
0000000000000891
[ 8650.964883] R10: 0000000000000000 R11: 0000000000000891 R12:
ffff883d72a79080
[ 8650.972845] R13: ffff881fec2c0500 R14: 00000000fffffff4 R15:
ffff881fea100000
[ 8650.980806] FS: 00007f0d2d8f9ab0(0000) GS:ffff883ffb680000(0000)
knlGS:0000000000000000
[ 8650.989835] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8650.996246] CR2: 00007f0d335a6972 CR3: 0000003fec1fa000 CR4:
0000000000360670
[ 8651.004207] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 8651.012168] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 8651.020129] Stack:
[ 8651.022372] ffff881d91f93a88 ffffffff815bf054 ffff881fea91f8c0
ffff883d72a79080
[ 8651.030663] ffff881feb8607d8 ffff881ff0029000 ffff881feb8607d8
ffff881fea91f8c0
[ 8651.038954] ffff883d72a79080 0000000000001055 0000000000000005
ffff881d91f93ae0
[ 8651.047247] Call Trace:
[ 8651.049982] [<ffffffff815bf054>] ? scsi_host_alloc_command+0x44/0xc0
[ 8651.057173] [<ffffffffc00c8373>]
megasas_build_and_issue_cmd_fusion+0x93/0x1b0 [megaraid_sas]
[ 8651.066787] [<ffffffffc00b8f88>] megasas_queue_command+0xf8/0x100
[megaraid_sas]
[ 8651.075139] [<ffffffff815c69e1>] scsi_dispatch_cmd+0xe1/0x240
[ 8651.081647] [<ffffffff815c9822>] scsi_request_fn+0x472/0x610
[ 8651.088064] [<ffffffff813c7833>] __blk_run_queue+0x33/0x40
[ 8651.094283] [<ffffffff813c7b0a>] queue_unplugged+0x2a/0xb0
[ 8651.100502] [<ffffffff813cdc96>] blk_flush_plug_list+0x1d6/0x240
[ 8651.107300] [<ffffffff813ce10c>] blk_finish_plug+0x2c/0x40
[ 8651.113522] [<ffffffff8119fb6a>] __do_page_cache_readahead+0x1aa/0x230
[ 8651.120903] [<ffffffff811917ed>] ? pagecache_get_page+0x2d/0x1c0
[ 8651.127704] [<ffffffff811933a5>] filemap_fault+0x375/0x3f0
[ 8651.133923] [<ffffffff811ceee1>] ? page_add_file_rmap+0x51/0x60
[ 8651.140629] [<ffffffff812a5d56>] ext4_filemap_fault+0x36/0x50
[ 8651.147128] [<ffffffff811bfe70>] __do_fault+0x50/0xe0
[ 8651.152860] [<ffffffff811c39c2>] handle_mm_fault+0xfa2/0x1820
[ 8651.159370] [<ffffffff81210ebb>] ? new_sync_write+0x9b/0xe0
[ 8651.165688] [<ffffffff8106b687>] __do_page_fault+0x197/0x400
[ 8651.172089] [<ffffffff8106b912>] do_page_fault+0x22/0x30
[ 8651.178116] [<ffffffff81849ac8>] page_fault+0x28/0x30
[ 8651.183848] Code: 34 c1 e9 31 fe ff ff 41 0f b7 87 68 09 00 00 4c 89 e7 48
c1 e0 04 c6 44 03 ff 00 e8 a7 29 50 c1 85 c0 41 89 c6 0f 89 93 fd ff ff <0f> 0b
48 8b 45 b8 48 8b 7d c8 4c 8b 30 49 8b 04 24 48 8b 8f f8
[ 8651.205479] RIP [<ffffffffc00c80f4>] megasas_build_io_fusion+0x354/0x540
[megaraid_sas]
...
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