#19938: Mediatek MT7621 Firefly FireWRT: Unhandled kernel unaligned access
-------------------------------------------------+-------------------------
Reporter: christian@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: packages | Version: Trunk
Keywords: firewrt kernel panic unaligned |
access |
-------------------------------------------------+-------------------------
{{{
[ 0.000000] Linux version 3.18.16 (openwrt@gb-11) (gcc version 4.8.3
(OpenWrt/Linaro GCC 4.8-2014.04 r46069) ) #1 SMP Sat Jun 20 05:15:13 UTC
2015
}}}
{{{
[ 4.080000] Unhandled kernel unaligned access[#1]:
[ 4.090000] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 3.18.16 #1
[ 4.110000] task: 8f840000 ti: 8f82a000 task.ti: 8f82a000
[ 4.120000] $ 0 : 00000000 00000000 811ea600 01177312
[ 4.130000] $ 4 : 8f802d00 01107000 8f032800 80367a30
[ 4.140000] $ 8 : 80367a30 00000000 00000000 02002021
[ 4.150000] $12 : 8f998108 00000000 00000000 0320f809
[ 4.160000] $16 : 00040000 00000132 8fa4a500 8f03293c
[ 4.180000] $20 : 8f032800 00040932 8f081080 0000004f
[ 4.190000] $24 : 00000000 80013018
[ 4.200000] $28 : 8f82a000 8f82ba08 00000000 8011cf3c
[ 4.210000] Hi : 00000002
[ 4.220000] Lo : 00000000
[ 4.230000] epc : 800bba7c kfree+0xac/0x178
[ 4.230000] Not tainted
[ 4.240000] ra : 8011cf3c squashfs_read_data+0x654/0x6c0
[ 4.250000] Status: 1100d803 KERNEL EXL IE
[ 4.260000] Cause : 00800010
[ 4.270000] BadVA : 01177316
[ 4.280000] PrId : 0001992f (MIPS 1004Kc)
[ 4.290000] Modules linked in:
[ 4.290000] Process swapper/0 (pid: 1, threadinfo=8f82a000,
task=8f840000, tls=00000000)
[ 4.310000] Stack : 00000000 00000036 0002005a 8f4526fc 00013a8c
8f081080 8147a720 0000004f
00000151 00000000 8f03293c 00013ace 00000040 00000001 8f828224
8f9980e4
8c46e738 0320f809 8c47e73c 8fbc0010 02402021 02602821 8f081080
80120a14
8f82baf0 00000004 8f953800 8f82bb04 00013a8c 00000000 8f081080
00000000
00000002 00000002 00000000 00000100 8f452638 00000004 00403021
0320f809
...
[ 4.390000] Call Trace:
[ 4.400000] [<800bba7c>] kfree+0xac/0x178
[ 4.410000] [<8011cf3c>] squashfs_read_data+0x654/0x6c0
[ 4.420000] [<80120a14>] squashfs_readpage_block+0x30c/0x4a8
[ 4.430000]
[ 4.430000]
Code: 00a72821 8ca50000 00651821 <8c6d0004> 8c650008 1445002c 00000000
8c850014 8c690000
[ 4.460000] Unhandled kernel unaligned access[#2]:
[ 4.470000] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G D
3.18.16 #1
[ 4.480000] task: 8f843570 ti: 8f862000 task.ti: 8f862000
[ 4.500000] $ 0 : 00000000 00000000 24120001 00000000
[ 4.510000] $ 4 : ffffffff 00000004 00000000 ffffffff
[ 4.520000] $ 8 : 00000004 8000a1ac 00989680 00000000
[ 4.530000] $12 : 00000000 ffffffff 8fa984e0 00000001
[ 4.540000] $16 : 00000004 8f825100 8f825180 00000020
[ 4.550000] $20 : 8fa40054 00000002 8f825700 814a1278
[ 4.570000] $24 : 00000000 8001b124
[ 4.580000] $28 : 8f862000 8f863ce8 8f825190 8004eea4
[ 4.590000] Hi : 00000001
[ 4.600000] Lo : 00000000
[ 4.600000] epc : 8004f45c load_balance+0x740/0x7c4
[ 4.610000] Tainted: G D
[ 4.620000] ra : 8004eea4 load_balance+0x188/0x7c4
[ 4.630000] Status: 1100d803 KERNEL EXL IE
[ 4.640000] Cause : 00800010
[ 4.650000] BadVA : 2412000d
[ 4.660000] PrId : 0001992f (MIPS 1004Kc)
[ 4.670000] Modules linked in:
[ 4.670000] Process swapper/2 (pid: 0, threadinfo=8f862000,
task=8f843570, tls=00000000)
[ 4.690000] Stack : 814a1600 814a1438 814a1400 7fffffff f3c8ee9a
8f863d58 814a1600 814a1400
f3c8939a 803a3f80 00000000 00000000 7fffffff 8f825100 00000000
00000000
00000002 814a1f80 8f825190 00000000 00000000 00000000 814a1278
00000000
00000000 00000020 00000000 00000002 8f863d58 8f863d58 8f825100
814a1f80
ffffa3d9 00000000 00000000 80360000 00000002 803b0000 00000001
8004f6d8
...
[ 4.770000] Call Trace:
[ 4.780000] [<8004f45c>] load_balance+0x740/0x7c4
[ 4.790000] [<8004f6d8>] run_rebalance_domains+0x1f8/0x2fc
[ 4.800000] [<8002bdf4>] __do_softirq+0x138/0x27c
[ 4.810000] [<8002c1b8>] irq_exit+0x64/0x80
[ 4.820000] [<80005830>] ret_from_irq+0x0/0x4
[ 4.830000] [<80013030>] r4k_wait_irqoff+0x18/0x20
[ 4.840000] [<80055470>] cpu_startup_entry+0x12c/0x188
[ 4.850000]
[ 4.860000]
Code: 12c00007 00000000 8ec20008 <8c42000c> 8c430010 10600002 00000000
ac400010 ae20004c
[ 4.880000] Unhandled kernel unaligned access[#3]:
[ 4.880000] ---[ end trace 0f0cc303816d25c6 ]---
[ 4.880000] Kernel panic - not syncing: Fatal exception in interrupt
[ 4.880000] ---[ end Kernel panic - not syncing: Fatal exception in
interrupt
[ 4.930000] CPU: 3 PID: 1 Comm: swapper/0 Tainted: G D
3.18.16 #1
[ 4.950000] task: 8f840000 ti: 8f82a000 task.ti: 8f82a000
[ 4.960000] $ 0 : 00000000 00000000 ffffc017 80360000
[ 4.970000] $ 4 : afbc0020 00000004 0000001f ffffffe0
[ 4.980000] $ 8 : 00000004 8000a1ac 00989680 00000000
[ 4.990000] $12 : 00000001 ffffffff 00000000 38202034
[ 5.010000] $16 : 00000000 8f825280 afbc0010 00000020
[ 5.020000] $20 : ffffc017 00000003 afb20278 814aa278
[ 5.030000] $24 : 00000000 8001b124
[ 5.040000] $28 : 8f82a000 8f82b6e0 afbc0020 8004ee44
[ 5.050000] Hi : 00000000
[ 5.060000] Lo : 00000000
[ 5.070000] epc : 8004ee6c load_balance+0x150/0x7c4
[ 5.080000] Tainted: G D
[ 5.090000] ra : 8004ee44 load_balance+0x128/0x7c4
[ 5.100000] Status: 1100d803 KERNEL EXL IE
[ 5.110000] Cause : 00800010
[ 5.110000] BadVA : ffffc017
[ 5.120000] PrId : 0001992f (MIPS 1004Kc)
[ 5.130000] Modules linked in:
[ 5.140000] Process swapper/0 (pid: 1, threadinfo=8f82a000,
task=8f840000, tls=00000000)
[ 5.150000] Stack : 814aa600 814aa438 814aa400 7fffffff 09e5adba
8f82b750 814aa600 814aa400
09e55bc9 803a3f80 00000001 00000000 7fffffff 8f825280 00000000
00000000
00000003 814aaf80 afbc0020 00000000 00000001 00000000 814aa278
00000000
00000000 00000020 00000000 00000002 8f82b750 8f82b750 8f825280
814aaf80
ffffa3fe 14400011 00000001 80360000 00000003 803b0000 00000028
8004f6d8
...
[ 5.230000] Call Trace:
[ 5.240000] [<8004ee6c>] load_balance+0x150/0x7c4
[ 5.250000] [<8004f6d8>] run_rebalance_domains+0x1f8/0x2fc
[ 5.260000] [<8002bdf4>] __do_softirq+0x138/0x27c
[ 5.270000] [<8002c1b8>] irq_exit+0x64/0x80
[ 5.280000] [<80005830>] ret_from_irq+0x0/0x4
[ 5.290000] [<80016334>] die+0xd4/0x134
[ 5.300000] [<800180e4>] do_ade+0x400/0x798
[ 5.310000] [<80005820>] ret_from_exception+0x0/0x10
[ 5.320000] [<800bba7c>] kfree+0xac/0x178
[ 5.330000] [<8011cf3c>] squashfs_read_data+0x654/0x6c0
[ 5.340000] [<80120a14>] squashfs_readpage_block+0x30c/0x4a8
[ 5.360000]
[ 5.360000]
Code:[ 5.360000] ralink_soc_eth 1e100000.ethernet eth0: port 2 link up
[ 5.380000] 00001012 00021080 02821021 <8c420000> 02021006 30420001
1040ffef 8fa60058 0c011d82
}}}
--
Ticket URL: <https://dev.openwrt.org/ticket/19938>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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