#10074 NORM Not Tri: XO-1.5 C1 kernel panic in cache_free_debugcheck

[Zarro Boogs per Child]

#10074: XO-1.5 C1 kernel panic in cache_free_debugcheck
--------------------------+-------------------------------------------------
 Reporter:  Quozl         |                 Owner:               
     Type:  defect        |                Status:  new          
 Priority:  normal        |             Milestone:  Not Triaged  
Component:  not assigned  |               Version:  not specified
 Keywords:                |           Next_action:  never set    
 Verified:  0             |   Deployment_affected:               
Blockedby:                |              Blocking:               
--------------------------+-------------------------------------------------
 Context: XO-1.5 C1 installed with os113, olpc-update to os114, booted to
 os114, performing olpc-update to os113 and then to os114 without being
 rebooted.  Sugar, My Settings, Power, Automatic power management was set
 at boot, idle suspends had happened, but the setting was turned off some
 minutes before the second olpc-update was started.  Panic happened some
 time after the second olpc-update was started.  No serial port attached.

 Symptom: kernel panic per following transcribed from panel, may contain
 transcription errors, four digital photographs are available on request.

 {{{

 [ 6406.090050] Modules linked in: fuse uinput via_camera videobuf_dma_sg
 videobuf_core mousedev serio_raw psmouse libertas_sdio libertas lib80211
 [last unloaded: scsi_wait_scan]
 [ 6406.090050]
 [ 6406.090050] Pid: 0, comm: swapper Tainted: G        W
 (2.6.31_xo1.5-20100312.1740.1.olpc.bca5e9d #1) XO
 [ 6406.090050] EIP: 0060:[<b0489ded>] EFLAGS: 00010006 CPU: 0
 [ 6406.090050] EIP is at cache_free_debugcheck+0x189/0x1bd
 [ 6406.090050] EAX: d5c412f5 EBX: ae78e757 EXC: 01971e21 EDX: 018ecb35
 [ 6406.090050] ESI: d84156c5 EDI: eac1ac00 EBP: b0801f90 ESP: b0801f70
 [ 6406.090050]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
 [ 6406.090050] Process swapper (pid: 0, ti=b0801000 task=b0805b40
 task.ti=b07ff000)
 [ 6406.090050] Stack:
 [ 6406.090050]  b0551bcc b0100000 635688c0 d84156c5 b0100578 eac13148
 eac1ac00 ddbf39e8
 [ 6406.090050] <0> b0801fac b048a04f b0100580 00000292 b08184e0 00000009
 ddbf39e8 b0801fb4
 [ 6406.090050] <0> b0551bcc b0801fc8 b044ec7e 00000020 b07ff000 00000008
 b0801fd0 b044ece6
 [ 6406.090050] Call Trace:
 [ 6406.090050]  [<b0551bcc>] ? radix_tree_node_rcu_free+0x28/0x2a
 [ 6406.090050]  [<b048a04f>] ? kmem_cache_free+0x4d/0xc2
 [ 6406.090050]  [<b0551bcc>] ? radix_tree_node_rcu_free+0x28/0x2a
 [ 6406.090050]  [<b044ec7e>] ? __rcu_process_callbacks+0x158/0x1a9
 [ 6406.090050]  [<b044ece6>] ? rcu_process_callbacks+0x17/0x28
 [ 6406.090050]  [<b04257a3>] ? __do_softirq+0xaf/0x16e
 [ 6406.090050]  [<b04256f4>] ? __do_softirq+0x0/0x16e
 [ 6406.090050]  <IRQ>
 [ 6406.090050]  [<b04254e3>] ? irq_exit+0x30/0x67
 [ 6406.090050]  [<b0403b41>] ? do_IRQ+0x78/0x8b
 [ 6406.090050]  [<b0402f69>] ? common_interrupt+0x29/0x30
 [ 6406.090050]  [<b05ad66e>] ? acpi_idle_enter_bm+0x23f/0x26a
 [ 6406.090050]  [<b061af93>] ? cpuidle_idle_call+0x5f/0x98
 [ 6406.090050]  [<b0401bc3>] ? cpu_idle+0x3b/0x68
 [ 6406.090050]  [<b06ea4c7>] ? rest_init+0x6b/0x6d
 [ 6406.090050]  [<b084a6c0>] ? start_kernel+0x29a/0x29f
 [ 6406.090050]  [<b084a06c>] ? i386_start_kernel+0x6c/0x74
 [ 6406.090050] Code: 11 f9 09 f6 47 1a 01 74 0d 8b 47 10 8b 55 e0 8b 4d f0
 89 54 01 fc 8b 45 e4 8b 5d f0 8b 48 0c 29 cb 89 d8 f7 67 14 3b 57 1c 72 04
 <0f> 0b eb fe 0f af 57 10 8d 04 11 39 45 f0 74 04 0f 0b eb fe f6
 [ 6406.090050] EIP: [<b0489ded>] cache_free_debugcheck+0x189/0x1bd SS:ESP
 0068:b0801f70
 [ 6406.090050] ---[ end trace a774b7579997af25 ]---
 [ 6406.090050] Kernel panic - not syncing: Fatal exception in interrupt

 }}}

-- 
Ticket URL: <http://dev.laptop.org/ticket/10074>
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