Hi There, I have build ath9k module for powerpc and it is running successfully.But some time it is getting crashed and system is restarting,I do not know what the problem is happening.Here is the debug messege i am getting from system.
NIP: f1b6f980 LR: f1b6fae8 CTR: c04b19a8 REGS: effe7dd0 TRAP: 0700 Not tainted (2.6.35) MSR: 00029000 <EE,ME,CE> CR: 22002882 XER: 00000000 TASK = ef3c9bc0[1508] 'hostapd' THREAD: eed4a000 CPU: 1 GPR00: 00000001 effe7e80 ef3c9bc0 00000000 eee1b818 00000000 00000000 00000000 GPR08: 008a2000 ef086ca0 ef3d0120 00000001 42008884 100994f0 00000000 10003a10 GPR16: c0742d00 c08460cc c0879060 00000000 ef3d2524 000619fd 00000000 00000000 GPR24: ef3d1780 ef3d4000 ef3d0ae0 ef3d4000 eee1b818 00000000 eee1b8b0 ef3d1780 interface=wlan0 driver=nl80211 hw_mode=g channel=6 ignore_broadcast_ssid=1 bssid=02:54:b2:40:17:10 Unable to handle kernel paging request for data at address 0x00000002 Faulting instruction address: 0xc00baf18 Oops: Kernel access of bad area, sig: 11 [#1] SMP NR_CPUS=2 P1020 RDB last sysfs file: Modules linked in: ath9k mac80211 ath9k_common ath9k_hw ath cfg80211 compat NIP: c00baf18 LR: c00baec4 CTR: 00000000 REGS: effe7980 TRAP: 0300 Tainted: G W (2.6.35) MSR: 00021000 <ME,CE> CR: 24242044 XER: 20000000 DEAR: 00000002, ESR: 00000000 TASK = ef83c940[0] 'swapper' THREAD: ef842000 CPU: 1 GPR00: 00000000 effe7a30 ef83c940 c0889690 00000020 c05bd9e8 ffffffff c10e0fb8 GPR08: 0077dc8c c088a730 008a2000 c083efb8 44242042 00000000 ef3d406e ef3d406a GPR16: 00000003 00000001 effe7b68 ffffffff ef0650a0 00000000 00000080 00000020 GPR24: 000000d0 00000018 ef3b3700 c05bd9e8 00000020 00029000 c0889690 00000002 NIP [c00baf18] __kmalloc_track_caller+0x78/0x130 LR [c00baec4] __kmalloc_track_caller+0x24/0x130 Call Trace:dcast_ssid=0 [effe7a50] [c04a6730] __alloc_skb+0x64/0x124 [effe7a70] [c05bd9e8] inet6_rt_notify+0x5c/0x120 [effe7ab0] [c05c1890] fib6_add+0x33c/0x5ec [effe7b40] [c05beaa0] __ip6_ins_rt+0x38/0x5c [effe7b60] [c05bf46c] ip6_ins_rt+0x2c/0x3c [effe7b80] [c05bfbc8] ip6_pol_route+0x25c/0x2f4 [effe7be0] [c05c010c] fib6_rule_lookup+0x24/0x34 [effe7bf0] [c05be7b0] ip6_route_input+0x110/0x158 [effe7c80] [c05b4eec] ipv6_rcv+0x49c/0x4a8 [effe7cb0] [c04aea70] __netif_receive_skb+0x3c4/0x53c [effe7cf0] [c04af9ec] netif_receive_skb+0xac/0xc0 [effe7d20] [f1b21160] ieee80211_sta_ps_transition+0x100/0x2fd8 [mac80211] [effe7d40] [f1b22098] ieee80211_sta_ps_transition+0x1038/0x2fd8 [mac80211] [effe7dc0] [f1b238f0] ieee80211_sta_ps_transition+0x2890/0x2fd8 [mac80211] [effe7e00] [f1b24748] ieee80211_rx+0x710/0x7b8 [mac80211] [effe7e60] [f1b75860] ath_rx_tasklet+0xa88/0xfbc [ath9k] [effe7f50] [f1b74ac8] ath9k_tasklet+0xfc/0x148 [ath9k] [effe7f70] [c004bd04] tasklet_action+0xbc/0x194 [effe7fa0] [c004ccf4] __do_softirq+0xe8/0x170 [effe7ff0] [c0010270] call_do_softirq+0x14/0x24 [ef843e70] [c0004b08] do_softirq+0xb0/0xc4 [ef843e90] [c004ca88] irq_exit+0x94/0xb4 [ef843ea0] [c0004d8c] do_IRQ+0xfc/0x19c [ef843ed0] [c0010f64] ret_from_except+0x0/0x18 --- Exception: 501 at cpu_idle+0x108/0x160 LR = cpu_idle+0x108/0x160 [ef843f90] [c0008a00] cpu_idle+0x60/0x160 (unreliable) [ef843fb0] [c0637108] start_secondary+0x310/0x328 [ef843ff0] [c0001d00] __secondary_start+0x30/0x84 Instruction dump: 54290024 81630000 80090008 3d20c089 3929a730 5400103a 7d49002e 7feb502e 7ceb5214 2f9f0000 419e0080 80030010 <7d3f002e> 7d2b512e 73a08000 41820044 Kernel panic - not syncing: Fatal exception in interrupt Call Trace: [effe78b0] [c00078a4] show_stack+0x4c/0x178 (unreliable) [effe78f0] [c0633d34] panic+0xa8/0x134 [effe7940] [c000dda8] die+0x1c8/0x1d4 [effe7960] [c0014978] bad_page_fault+0x98/0xd8 [effe7970] [c0010dbc] handle_page_fault+0x7c/0x80 --- Exception: 300 at __kmalloc_track_caller+0x78/0x130 LR = __kmalloc_track_caller+0x24/0x130 [effe7a30] [00000000] (null) (unreliable) [effe7a50] [c04a6730] __alloc_skb+0x64/0x124 [effe7a70] [c05bd9e8] inet6_rt_notify+0x5c/0x120 [effe7ab0] [c05c1890] fib6_add+0x33c/0x5ec [effe7b40] [c05beaa0] __ip6_ins_rt+0x38/0x5c [effe7b60] [c05bf46c] ip6_ins_rt+0x2c/0x3c [effe7b80] [c05bfbc8] ip6_pol_route+0x25c/0x2f4 [effe7be0] [c05c010c] fib6_rule_lookup+0x24/0x34 [effe7bf0] [c05be7b0] ip6_route_input+0x110/0x158 [effe7c80] [c05b4eec] ipv6_rcv+0x49c/0x4a8 [effe7cb0] [c04aea70] __netif_receive_skb+0x3c4/0x53c [effe7cf0] [c04af9ec] netif_receive_skb+0xac/0xc0 [effe7d20] [f1b21160] ieee80211_sta_ps_transition+0x100/0x2fd8 [mac80211] [effe7d40] [f1b22098] ieee80211_sta_ps_transition+0x1038/0x2fd8 [mac80211] [effe7dc0] [f1b238f0] ieee80211_sta_ps_transition+0x2890/0x2fd8 [mac80211] [effe7e00] [f1b24748] ieee80211_rx+0x710/0x7b8 [mac80211] [effe7e60] [f1b75860] ath_rx_tasklet+0xa88/0xfbc [ath9k] [effe7f50] [f1b74ac8] ath9k_tasklet+0xfc/0x148 [ath9k] [effe7f70] [c004bd04] tasklet_action+0xbc/0x194 [effe7fa0] [c004ccf4] __do_softirq+0xe8/0x170 [effe7ff0] [c0010270] call_do_softirq+0x14/0x24 [ef843e70] [c0004b08] do_softirq+0xb0/0xc4 [ef843e90] [c004ca88] irq_exit+0x94/0xb4 [ef843ea0] [c0004d8c] do_IRQ+0xfc/0x19c [ef843ed0] [c0010f64] ret_from_except+0x0/0x18 --- Exception: 501 at cpu_idle+0x108/0x160 LR = cpu_idle+0x108/0x160 [ef843f90] [c0008a00] cpu_idle+0x60/0x160 (unreliable) [ef843fb0] [c0637108] start_secondary+0x310/0x328 [ef843ff0] [c0001d00] __secondary_start+0x30/0x84 Rebooting in 180 seconds.. Thanks & Regards Suman Pandit
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