After the latest git pull from wireless-testing master-2010-01-14 to master-2010-01-19 the start of hostapd causes kernel panic. Tested with wireless-testing master-2010-01-19 and hostapd 0.6.9 / 0.7.0 --------------------------------------------- BUG: unable to handle kernel NULL pointer dereference at 00000193 IP: [<c126afc9>] invoke_tx_handlers+0x909/0xf40 *pde = 00000000 Oops: 0000 [#1] last sysfs file: /sys/devices/virtual/net/br0/bridge/topology_change_detected Modules linked in: rt61pci crc_itu_t rt2x00pci rt2x00lib eeprom_93cx6 Pid: 4411, comm: hostapd Not tainted 2.6.33-rc4-wl-47289-gd602bbd #27 CN700-8237/ EIP: 0060:[<c126afc9>] EFLAGS: 00210246 CPU: 0 EIP is at invoke_tx_handlers+0x909/0xf40 EAX: 00000040 EBX: 00000000 ECX: f6dfc000 EDX: 00000000 ESI: f6c03c00 EDI: f6c07c2c EBP: f6c07c00 ESP: f6c07b34 DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 Process hostapd (pid: 4411, ti=f6c06000 task=f7bb4000 task.ti=f6c06000) Stack: c108763f 00000000 00000200 0000000a 00000304 f6c07e44 c1088368 0098966f <0> b7a55af2 0000002d 00000000 f6c07bd0 f6c03c00 f6c0805e f6c07f60 f6c07e2c <0> 00000000 f6c03c20 000000c0 0098966f f6c07e6c f6c07e70 f6c07e74 f6c07e60 Call Trace: [<c108763f>] ? poll_freewait+0x3f/0xa0 [<c1088368>] ? do_select+0x608/0x680 [<c1269ee5>] ? ieee80211_tx_prepare+0x105/0x310 [<c1088860>] ? __pollwait+0x0/0xd0 [<c126b7b3>] ? ieee80211_tx+0x53/0x180 [<c11cc278>] ? skb_release_data+0x68/0xa0 [<c11cc398>] ? pskb_expand_head+0xe8/0x170 [<c126b96c>] ? ieee80211_xmit+0x8c/0x180 [<c126bb44>] ? ieee80211_monitor_start_xmit+0x94/0xc0 [<c11d3c0d>] ? dev_hard_start_xmit+0x20d/0x2c0 [<c11cce89>] ? __alloc_skb+0x49/0x130 [<c11e297c>] ? sch_direct_xmit+0xec/0x140 [<c11c860a>] ? sock_alloc_send_pskb+0x17a/0x260 [<c11e2060>] ? pfifo_fast_enqueue+0x0/0x90 [<c11d3ebd>] ? dev_queue_xmit+0xdd/0x4a0 [<c12314c3>] ? packet_sendmsg+0x213/0x250 [<c11c565f>] ? sock_sendmsg+0xaf/0xe0 [<c11c5539>] ? sock_recvmsg+0xb9/0xe0 [<c11ce19c>] ? verify_iovec+0x2c/0xa0 [<c11c5b31>] ? sys_sendmsg+0x111/0x230 [<c1056c6f>] ? find_get_page+0x1f/0x70 [<c1057499>] ? filemap_fault+0x69/0x340 [<c1056f6d>] ? unlock_page+0x3d/0x40 [<c1066fe0>] ? __do_fault+0x2a0/0x380 [<c106804b>] ? handle_mm_fault+0x13b/0x850 [<c11c6f1c>] ? sys_socketcall+0xdc/0x290 [<c1078467>] ? filp_close+0x47/0x70 [<c1002990>] ? sysenter_do_call+0x12/0x26 Code: 3d a0 00 00 00 0f 84 1d 05 00 00 3d c0 00 00 00 0f 84 12 05 00 00 3d d0 00 00 00 0f 84 e6 04 00 00 90 c7 47 10 00 00 00 00 31 db <0f> b6 93 93 01 00 00 f6 c2 10 0f 84 e0 f8 ff ff 8b 8d 68 ff ff EIP: [<c126afc9>] invoke_tx_handlers+0x909/0xf40 SS:ESP 0068:f6c07b34 CR2: 0000000000000193 ---[ end trace bc184f73743b5879 ]--- Kernel panic - not syncing: Fatal exception in interrupt Pid: 4411, comm: hostapd Tainted: G D 2.6.33-rc4-wl-47289-gd602bbd #27 Call Trace: [<c1277d45>] ? printk+0x18/0x1b [<c1277c7e>] panic+0x43/0xf2 [<c10054ee>] oops_end+0x7e/0x90 [<c101a8ae>] no_context+0xbe/0x150 [<c101a98f>] __bad_area_nosemaphore+0x4f/0x180 [<c101f056>] ? update_curr+0x116/0x160 [<c1020787>] ? dequeue_entity+0x17/0x1b0 [<c1020ff0>] ? dequeue_task_fair+0x30/0x80 [<c101aad2>] bad_area_nosemaphore+0x12/0x20 [<c101aeb4>] do_page_fault+0x254/0x2f0 [<c101ac60>] ? do_page_fault+0x0/0x2f0 [<c12799f6>] error_code+0x5e/0x64 [<c101ac60>] ? do_page_fault+0x0/0x2f0 [<c126afc9>] ? invoke_tx_handlers+0x909/0xf40 [<c108763f>] ? poll_freewait+0x3f/0xa0 [<c1088368>] ? do_select+0x608/0x680 [<c1269ee5>] ? ieee80211_tx_prepare+0x105/0x310 [<c1088860>] ? __pollwait+0x0/0xd0 [<c126b7b3>] ieee80211_tx+0x53/0x180 [<c11cc278>] ? skb_release_data+0x68/0xa0 [<c11cc398>] ? pskb_expand_head+0xe8/0x170 [<c126b96c>] ieee80211_xmit+0x8c/0x180 [<c126bb44>] ieee80211_monitor_start_xmit+0x94/0xc0 [<c11d3c0d>] dev_hard_start_xmit+0x20d/0x2c0 [<c11cce89>] ? __alloc_skb+0x49/0x130 [<c11e297c>] sch_direct_xmit+0xec/0x140 [<c11c860a>] ? sock_alloc_send_pskb+0x17a/0x260 [<c11e2060>] ? pfifo_fast_enqueue+0x0/0x90 [<c11d3ebd>] dev_queue_xmit+0xdd/0x4a0 [<c12314c3>] packet_sendmsg+0x213/0x250 [<c11c565f>] sock_sendmsg+0xaf/0xe0 [<c11c5539>] ? sock_recvmsg+0xb9/0xe0 [<c11ce19c>] ? verify_iovec+0x2c/0xa0 [<c11c5b31>] sys_sendmsg+0x111/0x230 [<c1056c6f>] ? find_get_page+0x1f/0x70 [<c1057499>] ? filemap_fault+0x69/0x340 [<c1056f6d>] ? unlock_page+0x3d/0x40 [<c1066fe0>] ? __do_fault+0x2a0/0x380 [<c106804b>] ? handle_mm_fault+0x13b/0x850 [<c11c6f1c>] sys_socketcall+0xdc/0x290 [<c1078467>] ? filp_close+0x47/0x70 [<c1002990>] sysenter_do_call+0x12/0x26 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
