Openmoko Bug #2238: CONFIG_FUNCTION_TRACER panics very early

Openmoko Public Trac bugs at docs.openmoko.org
Sun Feb 22 15:00:05 CET 2009


#2238: CONFIG_FUNCTION_TRACER panics very early
-----------------------------+----------------------------------------------
 Reporter:  lindi            |          Owner:  openmoko-kernel
     Type:  defect           |         Status:  new            
 Priority:  normal           |      Milestone:                 
Component:  System Software  |        Version:  unspecified    
 Severity:  normal           |       Keywords:                 
 Haspatch:  0                |      Blockedby:                 
Estimated:                   |    Patchreview:                 
 Blocking:                   |   Reproducible:                 
-----------------------------+----------------------------------------------

Comment(by lindi):

 On second try I got a different backtrace:

 {{{
 [ 1017.980000] gadgetfs: USB Gadget filesystem, version 24 Aug 2004
 [ 1261.730000] Bad mode in data abort handler detected
 [ 1261.730000] Internal error: Oops - bad mode: 0 [#1] PREEMPT
 [ 1261.730000] Modules linked in: gadgetfs s3c2410_wdt [last unloaded:
 g_ether]
 [ 1261.730000] CPU: 0    Not tainted  (2.6.28-GTA02_lindi-andy-
 tracking_b8b36e5ec3db71d5-mokodev #53)
 [ 1261.730000] PC is at rb_reserve_next_event+0x4/0x3c8
 [ 1261.730000] LR is at 0x20000013
 [ 1261.730000] pc : [<c008db84>]    lr : [<20000013>]    psr: 800000d1
 [ 1261.730000] sp : c7997e60  ip : 00590000  fp : c7997ebc
 [ 1261.730000] r10: 00000014  r9 : 00000001  r8 : 00000015
 [ 1261.730000] r7 : c003f9b4  r6 : c09cce48  r5 : 200000d1  r4 : 00000000
 [ 1261.730000] r3 : 00000017  r2 : 00000014  r1 : 00000003  r0 : c7810ba0
 [ 1261.730000] Flags: Nzcv  IRQs off  FIQs off  Mode FIQ_32  ISA ARM
 Segment kernel
 [ 1261.730000] Control: c000717f  Table: 37b88000  DAC: 00000017
 [ 1261.730000] Process events/0 (pid: 5, stack limit = 0xc7996268)
 [ 1261.730000] Stack: (0xc7997e60 to 0xc7998000)
 [ 1261.730000] 7e60: c7810ba0 00000003 00000014 00000017 00000000 200000d1
 c09cce48 c003f9b4
 [ 1261.730000] 7e80: 00000015 00000001 00000014 c7997ebc 00590000 c7997e60
 20000013 c008db84
 [ 1261.730000] 7ea0: 800000d1 ffffffff 00000001 c051cb10 c7997ed4 c7997ec0
 c02928c8 c003f108
 [ 1261.730000] 7ec0: c7b58d10 00000002 c7997efc c7997ed8 c0291f0c c0292884
 c7b58d10 c780bc80
 [ 1261.730000] 7ee0: c7b58ca0 c7b58d0c 00000000 c7997f58 c7997f3c c7997f00
 c0292484 c0291eec
 [ 1261.730000] 7f00: c7997f3c c7997f10 c0078860 c0078078 00000001 00000000
 00000000 c0068bac
 [ 1261.730000] 7f20: c7b58d10 c780bc80 c7996000 c7b58d0c c7997f94 c7997f40
 c0068c24 c0292458
 [ 1261.730000] 7f40: 00000001 00000000 c0068bac 20000013 c780bca0 c0292448
 c0a03354 00000000
 [ 1261.730000] 7f60: c049fa01 00000000 c7997f74 c780bca8 c7996000 c780bc80
 c780bca0 c7997f9c
 [ 1261.730000] 7f80: 00000000 00000000 c7997fd4 c7997f98 c0069134 c0068b08
 c03bde68 00000000
 [ 1261.730000] 7fa0: c79940a0 c006d54c c7997fa8 c7997fa8 c780bc80 c7996000
 c780bc80 c0069030
 [ 1261.730000] 7fc0: 00000000 00000000 c7997ff4 c7997fd8 c006d20c c0069040
 00000000 00000000
 [ 1261.730000] 7fe0: 00000000 00000000 00000000 c7997ff8 c005a914 c006d1b8
 ffffffff ffffffff
 [ 1261.730000] Backtrace:
 [ 1261.730000] [<c003f0f8>] (fiq_kick+0x0/0xbc) from [<c02928c8>]
 (gta02hdq_read+0x54/0xb0)
 [ 1261.730000]  r4:c051cb10
 [ 1261.730000] [<c0292874>] (gta02hdq_read+0x0/0xb0) from [<c0291f0c>]
 (hdq_read16+0x30/0x88)
 [ 1261.730000]  r5:00000002 r4:c7b58d10
 [ 1261.730000] [<c0291edc>] (hdq_read16+0x0/0x88) from [<c0292484>]
 (bq27000_battery_work+0x3c/0x13c)
 [ 1261.730000] [<c0292448>] (bq27000_battery_work+0x0/0x13c) from
 [<c0068c24>] (run_workqueue+0x12c/0x228)
 [ 1261.730000]  r7:c7b58d0c r6:c7996000 r5:c780bc80 r4:c7b58d10
 [ 1261.730000] [<c0068af8>] (run_workqueue+0x0/0x228) from [<c0069134>]
 (worker_thread+0x104/0x118)
 [ 1261.730000] [<c0069030>] (worker_thread+0x0/0x118) from [<c006d20c>]
 (kthread+0x64/0x98)
 [ 1261.730000]  r8:00000000 r7:00000000 r6:c0069030 r5:c780bc80
 r4:c7996000
 [ 1261.730000] [<c006d1a8>] (kthread+0x0/0x98) from [<c005a914>]
 (do_exit+0x0/0x308)
 [ 1261.730000]  r6:00000000 r5:00000000 r4:00000000
 [ 1261.730000] Code: c09cb9c0 00000367 0000028e e1a0c00d (e92ddff0)
 [ 1261.730000] Bad mode in data abort handler detected
 [ 1261.730000] BUG: spinlock lockup on CPU#0, events/0/5, c04d751c
 [ 1261.730000] [<c03bd434>] (dump_stack+0x0/0x18) from [<c01bfd38>]
 (_raw_spin_lock+0x114/0x150)
 [ 1261.730000] [<c01bfc24>] (_raw_spin_lock+0x0/0x150) from [<c03c061c>]
 (_spin_lock_irq+0x7c/0x8c)
 [ 1261.730000] [<c03c05a0>] (_spin_lock_irq+0x0/0x8c) from [<c003973c>]
 (die+0x3c/0xcc)
 [ 1261.730000]  r7:c7997de0 r6:c0464b51 r5:00000000 r4:c7997de0
 [ 1261.730000] [<c0039700>] (die+0x0/0xcc) from [<c0039818>]
 (bad_mode+0x4c/0x5c)
 [ 1261.730000] [<c00397cc>] (bad_mode+0x0/0x5c) from [<c0056e04>]
 (add_taint+0x24/0x30)
 [ 1261.730000]  r4:00000007
 [21474541.070000] ramconsole: old data ends here
 }}}

-- 
Ticket URL: <https://docs.openmoko.org/trac/ticket/2238#comment:5>
docs.openmoko.org <http://docs.openmoko.org/trac/>
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