[maemo-developers] [maemo-developers] Division by zero in kernel.

[From: collin at betaversion.net]

I was looking around my device and found this...

#dmesg
[   22.088653]
[   22.088684] build info: PRISM SoftMAC
[   22.088684]   creator: [kvalo]
[   22.088714]   date: [06/11/28-15:03]
[   22.088714]
[   22.095977] CX3110x: MAC address 00:19:4f:xx:xx:xx
[   22.104248] No power saving
[   25.776947] EAC mode: play enabled, rec enabled
[   26.184295] Scan complete, scanned 13 channels
[   26.232727] Full PSM
[   26.261688] No power saving
[   27.966552] Scan complete, scanned 13 channels
[   28.013458] Full PSM
[   28.880645] No power saving
[   31.635559] Unhandled trap: 0x18000010
[   31.705535] Division by zero in kernel.
[   31.705596] [<c00284b0>] (dump_stack+0x0/0x14) from [<c0028f24>]
(__div0+0x18/0x20)
[   31.705688] [<c0028f0c>] (__div0+0x0/0x20) from [<c00ff25c>] (Ldiv0+0x8/0x10)
[   31.705780] [<bf01cab0>] (pdlp_lmac_second_callback+0x0/0xe8 [umac]) from
[<bf0021a0>] (fw_ctrl_accept+0x60/0xe8 [umac])
[   31.706481]  r8 = C6052000  r7 = C7A02800  r6 = FFFFFFFF  r5 = C6052000
[   31.706542]  r4 = C5F99CA0
[   31.706573] [<bf002140>] (fw_ctrl_accept+0x0/0xe8 [umac]) from [<bf000908>]
(prism_interconnect_message_handle+0x38/0x1f4 [umac])
[   31.707031]  r6 = C63E587C  r5 = C63E5860  r4 = C63E587C
[   31.707092] [<bf0008d0>] (prism_interconnect_message_handle+0x0/0x1f4 [umac])
from [<bf043170>] (sm_drv_spi_wq+0x344/0x534 [cx3110x])
[   31.707458]  r8 = 00000000  r7 = C7A02800  r6 = C63E587C  r5 = C63E5860
[   31.707519]  r4 = C7C11EE6
[   31.707550] [<bf042e2c>] (sm_drv_spi_wq+0x0/0x534 [cx3110x]) from
[<c0063b20>] (run_workqueue+0xac/0xfc)
[   31.707702] [<c0063a74>] (run_workqueue+0x0/0xfc) from [<c0063c90>]
(worker_thread+0x120/0x180)
[   31.707763]  r7 = 00000001  r6 = C7C11F80  r5 = C03E06A8  r4 = C03E06B0
[   31.707824] [<c0063b70>] (worker_thread+0x0/0x180) from [<c006740c>]
(kthread+0xe0/0x114)
[   31.707885] [<c006732c>] (kthread+0x0/0x114) from [<c0055308>]
(do_exit+0x0/0x7fc)
[   31.707977] Division by zero in kernel.
[   31.708007] [<c00284b0>] (dump_stack+0x0/0x14) from [<c0028f24>]
(__div0+0x18/0x20)
[   31.708068] [<c0028f0c>] (__div0+0x0/0x20) from [<c00ff25c>] (Ldiv0+0x8/0x10)
[   31.708160] [<bf01cab0>] (pdlp_lmac_second_callback+0x0/0xe8 [umac]) from
[<bf0021a0>] (fw_ctrl_accept+0x60/0xe8 [umac])
[   31.708801]  r8 = C6052000  r7 = C7A02800  r6 = FFFFFFFF  r5 = C6052000
[   31.708862]  r4 = C5F99CA0
[   31.708862] [<bf002140>] (fw_ctrl_accept+0x0/0xe8 [umac]) from [<bf000908>]
(prism_interconnect_message_handle+0x38/0x1f4 [umac])
[   31.709350]  r6 = C63E587C  r5 = C63E5860  r4 = C63E587C
[   31.709381] [<bf0008d0>] (prism_interconnect_message_handle+0x0/0x1f4 [umac])
from [<bf043170>] (sm_drv_spi_wq+0x344/0x534 [cx3110x])
[   31.709747]  r8 = 00000000  r7 = C7A02800  r6 = C63E587C  r5 = C63E5860
[   31.709808]  r4 = C7C11EE6
[   31.709838] [<bf042e2c>] (sm_drv_spi_wq+0x0/0x534 [cx3110x]) from
[<c0063b20>] (run_workqueue+0xac/0xfc)
[   31.709991] [<c0063a74>] (run_workqueue+0x0/0xfc) from [<c0063c90>]
(worker_thread+0x120/0x180)
[   31.710052]  r7 = 00000001  r6 = C7C11F80  r5 = C03E06A8  r4 = C03E06B0
[   31.710113] [<c0063b70>] (worker_thread+0x0/0x180) from [<c006740c>]
(kthread+0xe0/0x114)
[   31.710174] [<c006732c>] (kthread+0x0/0x114) from [<c0055308>]
(do_exit+0x0/0x7fc)
[   32.439514] Dynamic PSM
[   32.439605] PSM timeout 1000 ms
[   33.423309] EAC mode: play disabled, rec disabled
[   44.156066] EAC mode: play enabled, rec enabled
[   44.252899] omapdsp: mmap info: vmadr = 4000c000, padr = 86510000, len = 2000
[   46.557312] EAC mode: play disabled, rec disabled
[   48.401947] EAC mode: play enabled, rec enabled
[   51.852355] EAC mode: play disabled, rec disabled
[   96.423248] omapfb omapfb: s1d1374x: setting update mode to disabled
[  114.208435] JFFS2 warning: (1155) jffs2_sum_write_sumnode: Not enough space
for summary, padsize = -268
[  115.507049] JFFS2 warning: (1155) jffs2_sum_write_sumnode: Not enough space
for summary, padsize = -34
[  116.897735] JFFS2 warning: (1155) jffs2_sum_write_sumnode: Not enough space
for summary, padsize = -16
[  118.339904] JFFS2 warning: (1155) jffs2_sum_write_sumnode: Not enough space
for summary, padsize = -52
[  120.086029] JFFS2 warning: (1155) jffs2_sum_write_sumnode: Not enough space
for summary, padsize = -268