From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 81861] Oops by mvsas v0.8.16: sas: ataX: end_device-Y:0:Z: dev
error handler -> general protection fault, RIP: mvs_task_prep_ata+0x80/0x3a0
Date: Tue, 12 Aug 2014 20:09:15 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=81861
--- Comment #3 from linux-ide@crashplan.pro ---
Because Ubuntu doesn't provide debug symbols for their mainline kernel builds
I am
reverting back to their kernel version 3.13.0-24.46
That results in a kernel crash on port 8C:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000255
Full output:
[ 25.212661] mvsas 0000:01:00.0: mvsas: driver version 0.8.16
[ 25.212703] mvsas 0000:01:00.0: enabling device (0000 -> 0002)
[ 25.213249] mvsas 0000:01:00.0: mvsas: PCI-E x8, Bandwidth Usage: 5.0 Gbps
[ 31.994771] scsi5 : mvsas
[ 31.995530] sas: phy-5:0 added to port-5:0, phy_mask:0x1 (50014380182cf0e6)
[ 31.995564] /build/buildd/linux-3.13.0/drivers/scsi/mvsas/mv_sas.c 1218:set
wide port phy map 1
[ 32.005672] sas: phy1 matched wide port0
[ 32.005695] sas: phy-5:1 added to port-5:0, phy_mask:0x3 (50014380182cf0e6)
[ 32.005720] /build/buildd/linux-3.13.0/drivers/scsi/mvsas/mv_sas.c 1218:set
wide port phy map 3
[ 32.025591] sas: phy2 matched wide port0
[ 32.025611] sas: phy-5:2 added to port-5:0, phy_mask:0x7 (50014380182cf0e6)
[ 32.025635] /build/buildd/linux-3.13.0/drivers/scsi/mvsas/mv_sas.c 1218:set
wide port phy map 7
[ 32.055410] sas: phy3 matched wide port0
[ 32.055427] sas: phy-5:3 added to port-5:0, phy_mask:0xf (50014380182cf0e6)
[ 32.055452] /build/buildd/linux-3.13.0/drivers/scsi/mvsas/mv_sas.c 1218:set
wide port phy map f
[ 32.095144] sas: DOING DISCOVERY on port 0, pid:127
[ 32.096843] sas: ex 50014380182cf0e6 phy00:D:0 attached: 0000000000000000
(no device)
[ 32.097408] sas: ex 50014380182cf0e6 phy01:D:0 attached: 0000000000000000
(no device)
[ 32.097917] sas: ex 50014380182cf0e6 phy02:D:0 attached: 0000000000000000
(no device)
[ 32.098503] sas: ex 50014380182cf0e6 phy03:D:0 attached: 0000000000000000
(no device)
[ 32.099044] sas: ex 50014380182cf0e6 phy04:D:0 attached: 0000000000000000
(no device)
[ 32.099628] sas: ex 50014380182cf0e6 phy05:D:0 attached: 0000000000000000
(no device)
[ 32.100205] sas: ex 50014380182cf0e6 phy06:D:0 attached: 0000000000000000
(no device)
[ 32.100739] sas: ex 50014380182cf0e6 phy07:D:0 attached: 0000000000000000
(no device)
[ 32.101310] sas: ex 50014380182cf0e6 phy08:D:0 attached: 0000000000000000
(no device)
[ 32.101840] sas: ex 50014380182cf0e6 phy09:D:0 attached: 0000000000000000
(no device)
[ 32.102412] sas: ex 50014380182cf0e6 phy10:D:0 attached: 0000000000000000
(no device)
[ 32.102959] sas: ex 50014380182cf0e6 phy11:D:0 attached: 0000000000000000
(no device)
[ 32.103545] sas: ex 50014380182cf0e6 phy12:D:0 attached: 0000000000000000
(no device)
[ 32.104128] sas: ex 50014380182cf0e6 phy13:D:0 attached: 0000000000000000
(no device)
[ 32.104661] sas: ex 50014380182cf0e6 phy14:D:0 attached: 0000000000000000
(no device)
[ 32.105273] sas: ex 50014380182cf0e6 phy15:D:0 attached: 0000000000000000
(no device)
[ 32.105781] sas: ex 50014380182cf0e6 phy16:D:0 attached: 0000000000000000
(no device)
[ 32.106385] sas: ex 50014380182cf0e6 phy17:D:0 attached: 0000000000000000
(no device)
[ 32.106904] sas: ex 50014380182cf0e6 phy18:D:0 attached: 0000000000000000
(no device)
[ 32.107486] sas: ex 50014380182cf0e6 phy19:D:0 attached: 0000000000000000
(no device)
[ 32.108020] sas: ex 50014380182cf0e6 phy20:D:0 attached: 0000000000000000
(no device)
[ 32.108605] sas: ex 50014380182cf0e6 phy21:D:0 attached: 0000000000000000
(no device)
[ 32.109183] sas: ex 50014380182cf0e6 phy22:D:0 attached: 0000000000000000
(no device)
[ 32.109714] sas: ex 50014380182cf0e6 phy23:D:0 attached: 0000000000000000
(no device)
[ 32.110357] sas: ex 50014380182cf0e6 phy24:U:A attached: 5005043011ab0000
(host)
[ 32.110929] sas: ex 50014380182cf0e6 phy25:U:A attached: 5005043011ab0000
(host)
[ 32.111558] sas: ex 50014380182cf0e6 phy26:U:A attached: 5005043011ab0000
(host)
[ 32.112181] sas: ex 50014380182cf0e6 phy27:U:A attached: 5005043011ab0000
(host)
[ 32.112774] sas: ex 50014380182cf0e6 phy28:S:9 attached: 50014380182cf0dc
(stp)
[ 32.113366] sas: ex 50014380182cf0e6 phy29:S:9 attached: 50014380182cf0dd
(stp)
[ 32.113934] sas: ex 50014380182cf0e6 phy30:S:9 attached: 50014380182cf0de
(stp)
[ 32.114557] sas: ex 50014380182cf0e6 phy31:S:9 attached: 50014380182cf0df
(stp)
[ 32.115138] sas: ex 50014380182cf0e6 phy32:S:0 attached: 0000000000000000
(no device)
[ 32.115654] sas: ex 50014380182cf0e6 phy33:S:0 attached: 0000000000000000
(no device)
[ 32.116198] sas: ex 50014380182cf0e6 phy34:S:0 attached: 0000000000000000
(no device)
[ 32.116711] sas: ex 50014380182cf0e6 phy35:S:0 attached: 0000000000000000
(no device)
[ 32.117003] sas: ex 50014380182cf0e6 phy36:D:A attached: 50014380182cf0e5
(host+target)
[ 32.118398] sas: DONE DISCOVERY on port 0, pid:127, result:0
[ 32.118435] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
[ 32.118465] sas: ata6: end_device-5:0:28: dev error handler
[ 32.119140] sas: ata7: end_device-5:0:29: dev error handler
[ 32.119333] sas: ata8: end_device-5:0:30: dev error handler
[ 32.119368] sas: ata9: end_device-5:0:31: dev error handler
[ 32.271218] BUG: unable to handle kernel NULL pointer dereference at
0000000000000255
[ 32.271791] IP: [] mvs_task_prep+0x72e/0xd50 [mvsas]
[ 32.272365] PGD 0
[ 32.272928] Oops: 0000 [#1] SMP
[ 32.273480] Modules linked in: mvsas libsas scsi_transport_sas hid_generic
usbhid hid x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel cryptd i915 drm_kms_helper
serio_raw lpc_ich mei_me mei drm i2c_algo_bit netconsole configfs lp parport
video mac_hid psmouse ahci libahci r8169 mii
[ 32.275388] CPU: 0 PID: 54 Comm: kworker/u4:1 Not tainted 3.13.0-24-generic
#47-Ubuntu
[ 32.276028] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./H81
Pro BTC, BIOS P1.80 07/21/2014
[ 32.276745] Workqueue: events_unbound async_run_entry_fn
[ 32.277389] task: ffff88020fe6afe0 ti: ffff8802136aa000 task.ti:
ffff8802136aa000
[ 32.278032] RIP: 0010:[] []
mvs_task_prep+0x72e/0xd50 [mvsas]
[ 32.278691] RSP: 0018:ffff8802136ab8c0 EFLAGS: 00010097
[ 32.279337] RAX: 000000000000002c RBX: 0000000000000001 RCX:
0000000000000000
[ 32.279980] RDX: 0000000000000000 RSI: ffff8800d8c255b8 RDI:
ffff8800d8c00000
[ 32.280619] RBP: ffff8802136ab958 R08: ffff8800d8c03618 R09:
ffff8800363a0000
[ 32.281246] R10: ffff880212977600 R11: 0000000000000000 R12:
ffff8800d8c00000
[ 32.281861] R13: 0000000000000000 R14: ffff8800d8c03618 R15:
ffff88020f8dedc0
[ 32.282474] FS: 0000000000000000(0000) GS:ffff88021f200000(0000)
knlGS:0000000000000000
[ 32.283082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 32.283679] CR2: 0000000000000255 CR3: 0000000002c0e000 CR4:
00000000000407f0
[ 32.284278] Stack:
[ 32.284880] ffff88020fe6afe0 ffff880212977200 ffff8802136ab8e0
ffffffff81719ee9
[ 32.285520] ffff880212977600 ffff8800363a0000 ffff8800d8c03618
ffff8800d8c255b0
[ 32.286167] ffff8800d8c02678 0000000000000000 00000001d8c00008
ffff8800d8c255b8
[ 32.286821] Call Trace:
[ 32.287473] [] ? schedule+0x29/0x70
[ 32.288144] [] mvs_task_exec.isra.13+0x5d/0xe0 [mvsas]
[ 32.288832] [] mvs_queue_command+0x30c/0x320 [mvsas]
[ 32.289530] [] ? kmem_cache_free+0xef/0x120
[ 32.290232] [] ? kmem_cache_alloc+0x132/0x140
[ 32.290942] [] ? sas_alloc_task+0x1d/0x40 [libsas]
[ 32.291662] [] sas_ata_qc_issue+0x24b/0x290 [libsas]
[ 32.292392] [] ata_qc_issue+0x172/0x380
[ 32.293128] [] ata_exec_internal_sg+0x2b3/0x570
[ 32.293875] [] ata_exec_internal+0x5a/0xa0
[ 32.294624] [] ata_dev_read_id+0x274/0x550
[ 32.295380] [] ? sas_ata_printk+0x80/0x80 [libsas]
[ 32.296148] [] ata_eh_recover+0x74b/0x1310
[ 32.296923] [] ? console_unlock+0x208/0x400
[ 32.297707] [] ? ata_phys_link_online+0x30/0x30
[ 32.298503] [] ? sas_ata_printk+0x80/0x80 [libsas]
[ 32.299367] [] ? ata_phys_link_offline+0x30/0x30
[ 32.300179] [] ? sas_ata_printk+0x80/0x80 [libsas]
[ 32.301001] [] ? ata_phys_link_offline+0x30/0x30
[ 32.301826] [] ? sas_ata_printk+0x80/0x80 [libsas]
[ 32.302661] [] ata_do_eh+0x49/0xc0
[ 32.303503] [] ? ata_phys_link_online+0x30/0x30
[ 32.304357] [] ata_std_error_handler+0x3e/0x80
[ 32.305215] [] ata_scsi_port_error_handler+0x56a/0x940
[ 32.306086] [] async_sas_ata_eh+0x4a/0x80 [libsas]
[ 32.306963] [] async_run_entry_fn+0x37/0x130
[ 32.307849] [] process_one_work+0x182/0x450
[ 32.308735] [] worker_thread+0x121/0x410
[ 32.309629] [] ? rescuer_thread+0x3e0/0x3e0
[ 32.310530] [] kthread+0xd2/0xf0
[ 32.311437] [] ? kthread_create_on_node+0x1d0/0x1d0
[ 32.312351] [] ret_from_fork+0x7c/0xb0
[ 32.313255] [] ? kthread_create_on_node+0x1d0/0x1d0
[ 32.314160] Code: 63 92 a0 02 00 00 41 80 b8 84 00 00 00 7f 48 8b 80 58 01
00 00 48 8b 1c d0 0f 84 a0 05 00 00 41 8b 44 24 58 48 8b 75 c0 89 46 1c <8b> 8b
54 02 00 00 be 00 10 00 00 41 8b 54 24 58 49 8b 44 24 48
[ 32.316308] RIP [] mvs_task_prep+0x72e/0xd50 [mvsas]
[ 32.317292] RSP
[ 32.318278] CR2: 0000000000000255
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