Public bug reported:
A node hang is caused due to a network driver crash. Below is the trace
to the crash.
[ 89.243061] ------------[ cut here ]------------
[ 89.297370] kernel BUG at
/build/buildd/linux-keystone-3.13.0/drivers/net/ethernet/ti/keystone_net_core.c:1619!
[ 89.416202] Internal error: Oops - BUG: 0 [#1] SMP ARM
[ 89.476649] Modules linked in: gpio_keys remoteproc_user remoteproc rtc_ds1307
spi_davinci spi_bitbang uio_pdrv_genirq uio
[ 89.606819] CPU: 3 PID: 1082 Comm: ip Not tainted 3.13.0-4-keystone #6-Ubuntu
[ 89.690830] task: d85c6780 ti: d8ca4000 task.ti: d8ca4000
[ 89.754354] PC is at netcp_ndo_stop+0x1c0/0x1f0
[ 89.807639] LR is at try_to_wake_up+0x1cc/0x308
[ 89.860917] pc : [<c03efb48>] lr : [<c005f734>] psr: 00000093
[ 89.860917] sp : d8ca5ae8 ip : 0000164b fp : d8ca5cdc
[ 89.996139] r10: 00000000 r9 : c06062ec r8 : a0000013
[ 90.057611] r7 : d9010da8 r6 : d9010d40 r5 : d9010800 r4 : 00000007
[ 90.134448] r3 : dafc8840 r2 : 00000001 r1 : 60000093 r0 : 00000001
[ 90.211288] Flags: nzcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user
[ 90.296317] Control: 30c5387d Table: 18ef3c80 DAC: 55555555
[ 90.363935] Process ip (pid: 1082, stack limit = 0xd8ca4240)
[ 90.430529] Stack: (0xd8ca5ae8 to 0xd8ca6000)
[ 90.481760] 5ae0: d9010800 d8ca5b10 00000001 00001003 00000000 c04c89b8
[ 90.578059] 5b00: d8ca5b10 d9010800 00001002 c04c8a3c d9010848 d9010848
d9010964 d9010800
[ 90.674358] 5b20: 00001002 c04cd6ac d9010800 00000128 00001003 d926cd10
00000000 c04cd798
[ 90.770655] 5b40: d9010800 00000000 d8ca5c68 d926cd10 d8ca5bdc c04dade4
c08a2ac0 c00da954
[ 90.866954] 5b60: 00000003 c05f11ec c08a2340 00000002 00280001 c08a2340
00280001 002284d2
[ 90.963255] 5b80: c0856ef0 00000000 00000003 d926cd00 00000000 d9010800
d8ca5bb0 d926cd10
[ 91.059552] 5ba0: c06062ec 00000000 d8ca5cdc c04dc0c4 00000000 00000141
d91d1dc0 00000000
[ 91.155851] 5bc0: d926cd20 c089b740 00000019 00000000 00000000 00000000
00000000 00000000
[ 91.252149] 5be0: 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000
[ 91.348449] 5c00: 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000
[ 91.444748] 5c20: 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000
[ 91.541046] 5c40: 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000
[ 91.637345] 5c60: 00000000 00000000 b6f19000 defe8740 c0935d80 d8ca4000
00000000 00000000
[ 91.733644] 5c80: 00000000 c085b144 d906e4e0 fff308c8 000200da c0856ef0
000001c1 0017e682
[ 91.829944] 5ca0: defbb780 c084f028 d93f7700 00000000 d8ca4000 bd943525
d917db40 d926cd00
[ 91.926242] 5cc0: 00000000 d917db40 00000000 c089b740 d917db40 00000000
00000000 c04dbbcc
[ 92.022541] 5ce0: 00000002 d8d93130 00000003 fff30000 00000000 00000002
00000000 d8ca5d47
[ 92.118840] 5d00: 00000000 d926cd00 d917db40 c04dba74 d8e94400 d8ca5d3c
00000000 c04f2148
[ 92.215138] 5d20: d917db40 d917db40 00000020 c04da814 dba18400 c04f181c
00000020 7fffffff
[ 92.311437] 5d40: d8ca5e6c d8e94400 d8ca5f7c 00000000 d8ca5df8 00000020
00000000 c04f1bf4
[ 92.407738] 5d60: 000000d0 c084af50 d8ca5dd4 00000000 00000005 00000000
ff8e37df c00f21cc
[ 92.504035] 5d80: d8a18c80 00000000 0000043a 00000000 00000000 00000000
fff30000 d85c6780
[ 92.600334] 5da0: db447dc0 00000020 d8ca5f7c db447dc0 d8ca5e64 00000000
00000000 c04b42d8
[ 92.696634] 5dc0: 00000000 00000000 00000000 d8ca5df8 d85c6780 00000000
00000000 00000000
[ 92.792932] 5de0: 00000000 00000000 00000000 00000000 00000000 00000000
00000001 db6b7ab0
[ 92.889231] 5e00: db674550 00000020 db447dc0 d8ca5e64 d8ca5d80 d8ca5f7c
00000000 00000001
[ 92.985531] 5e20: d8ca5e64 d8ca5e64 00000008 00000000 d8ca5f7c c04c093c
c08564d4 d8ca5f7c
[ 93.081829] 5e40: c08564d4 00000020 d8ca5e64 c04b4e18 d8ca4000 00000000
d8ca5ea4 d8ca5ea4
[ 93.178127] 5e60: d8ca5fb0 bedf57c4 00000000 c05b2898 d8ca4000 d8ca5e98
ffffff9c c0134fdc
[ 93.274426] 5e80: d8ca5e90 00000000 00000800 00000000 00000000 bedf5720
00000020 00000000
[ 93.370725] 5ea0: 00000000 c04dec74 bedf56e0 d91bf000 c0608614 c0115a34
d9149180 31687465
[ 93.467023] 5ec0: 00000000 00000010 00000000 00000000 00000001 db447c94
00000007 d8ca5fb0
[ 93.563324] 5ee0: bedf16f0 00000a07 bedf16f0 d8ca5fb0 bedf579c bedf5e50
00043000 c05b2b4c
[ 93.659622] 5f00: 00000a07 c05b2aec c085da40 c00083ec db447c20 00000000
00000008 c013eaa8
[ 93.755921] 5f20: e57a42bd d6bf94d5 002371a4 00000000 002371a4 00000000
00000000 00000000
[ 93.852220] 5f40: 001a8e4e bd943525 00000000 db447dc0 bedf1720 00000000
00000128 c001cc04
[ 93.948519] 5f60: d8ca4000 00001000 00043000 c04b6250 c084ac64 00000000
fffffff7 d8ca5ec4
[ 94.044818] 5f80: 0000000c d8ca5e64 00000001 00000000 00000000 00000000
bedf1740 00000000
[ 94.141117] 5fa0: bedf170c c001ca60 bedf1740 00000000 00000003 bedf1720
00000000 00000005
[ 94.237415] 5fc0: bedf1740 00000000 bedf170c 00000128 00000000 bedf1720
000431e4 00043000
[ 94.333715] 5fe0: 00000000 bedf16dc 0002bef5 b6edc956 40000030 00000003
00000000 00000000
[ 94.430024] [<c03efb48>] (netcp_ndo_stop+0x1c0/0x1f0) from [<c04c89b8>]
(__dev_close_many+0x84/0xc8)
[ 94.537597] [<c04c89b8>] (__dev_close_many+0x84/0xc8) from [<c04c8a3c>]
(__dev_close+0x40/0x7c)
[ 94.640050] [<c04c8a3c>] (__dev_close+0x40/0x7c) from [<c04cd6ac>]
(__dev_change_flags+0x8c/0x158)
[ 94.745573] [<c04cd6ac>] (__dev_change_flags+0x8c/0x158) from [<c04cd798>]
(dev_change_flags+0x18/0x48)
[ 94.856221] [<c04cd798>] (dev_change_flags+0x18/0x48) from [<c04dade4>]
(do_setlink+0x3b4/0x834)
[ 94.959694] [<c04dade4>] (do_setlink+0x3b4/0x834) from [<c04dc0c4>]
(rtnl_newlink+0x460/0x4d4)
[ 95.061122] [<c04dc0c4>] (rtnl_newlink+0x460/0x4d4) from [<c04dbbcc>]
(rtnetlink_rcv_msg+0x158/0x1f0)
[ 95.169719] [<c04dbbcc>] (rtnetlink_rcv_msg+0x158/0x1f0) from [<c04f2148>]
(netlink_rcv_skb+0xac/0xc0)
[ 95.279341] [<c04f2148>] (netlink_rcv_skb+0xac/0xc0) from [<c04da814>]
(rtnetlink_rcv+0x1c/0x24)
[ 95.382814] [<c04da814>] (rtnetlink_rcv+0x1c/0x24) from [<c04f181c>]
(netlink_unicast+0xf8/0x160)
[ 95.487313] [<c04f181c>] (netlink_unicast+0xf8/0x160) from [<c04f1bf4>]
(netlink_sendmsg+0x2cc/0x674)
[ 95.595915] [<c04f1bf4>] (netlink_sendmsg+0x2cc/0x674) from [<c04b42d8>]
(sock_sendmsg+0xb8/0xd8)
[ 95.700411] [<c04b42d8>] (sock_sendmsg+0xb8/0xd8) from [<c04b4e18>]
(___sys_sendmsg.part.11+0x270/0x284)
[ 95.812081] [<c04b4e18>] (___sys_sendmsg.part.11+0x270/0x284) from
[<c04b6250>] (__sys_sendmsg+0x4c/0x78)
[ 95.924777] [<c04b6250>] (__sys_sendmsg+0x4c/0x78) from [<c001ca60>]
(ret_fast_syscall+0x0/0x3c)
[ 96.028250] Code: ebf11c6d e59f002c eb06dd93 eaffffa1 (e7f001f2)
[ 96.099970] ---[ end trace 59382497cf2ddd16 ]
** Affects: linux-keystone (Ubuntu)
Importance: Undecided
Assignee: Ike Panhc (ikepanhc)
Status: In Progress
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https://bugs.launchpad.net/bugs/1373242
Title:
Reboot test fails with network driver crash
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