From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joseph Cheek Date: Wed, 21 Jan 2009 01:14:06 -0500 Subject: [ath9k-devel] modprobe ath9k == BUG: unable to handle kernel NULL pointer dereference at 000001dc Message-ID: <4976BD2E.3070807@cheek.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org Not sure how reproduceable this is as it's the only one i have seen yet. but i just got it with 2.6.28.1 and compat-wireless-2009-01-19. the kernel didn't oops but ifconfig did hang. I could login on another VC and get a responsive system, but trying to ifconfig the interface down did not work. i ended up hard-resetting. Jan 21 00:52:48 harrisburg ath9k 0000:00:07.0: PCI INT A disabled Jan 21 00:52:48 harrisburg ath9k: Driver unloaded Jan 21 00:52:48 harrisburg ath9k: 0.1 Jan 21 00:52:48 harrisburg ath9k 0000:00:07.0: PCI INT A -> Link[LNKC] -> GSI 10 (level, low) -> IRQ 10 Jan 21 00:52:48 harrisburg modprobe: page allocation failure. order:1, mode:0x20 Jan 21 00:52:48 harrisburg Pid: 15273, comm: modprobe Not tainted 2.6.28-gentoo-r1 #1 Jan 21 00:52:48 harrisburg Call Trace: Jan 21 00:52:48 harrisburg [] 0xc013cca9 Jan 21 00:52:48 harrisburg [] 0xc0153a41 Jan 21 00:52:48 harrisburg [] 0xc0153c92 Jan 21 00:52:48 harrisburg [] 0xc02ae615 Jan 21 00:52:48 harrisburg [] 0xc02aee93 Jan 21 00:52:48 harrisburg [] 0xd9052e70 Jan 21 00:52:48 harrisburg [] 0xd905364c Jan 21 00:52:48 harrisburg [] 0xd90527d4 Jan 21 00:52:48 harrisburg [] 0xd9057524 Jan 21 00:52:48 harrisburg [] 0xc020e8ed Jan 21 00:52:48 harrisburg [] 0xc025b2b9 Jan 21 00:52:48 harrisburg [] 0xc025b393 Jan 21 00:52:48 harrisburg [] 0xc025ad0a Jan 21 00:52:48 harrisburg [] 0xc025b16d Jan 21 00:52:48 harrisburg [] 0xc025b34a Jan 21 00:52:48 harrisburg [] 0xc025a78f Jan 21 00:52:48 harrisburg [] 0xd8830000 Jan 21 00:52:48 harrisburg [] 0xc025b4f9 Jan 21 00:52:48 harrisburg [] 0xd8830000 Jan 21 00:52:48 harrisburg [] 0xc020eb01 Jan 21 00:52:48 harrisburg [] 0xd8830000 Jan 21 00:52:48 harrisburg [] 0xd8830038 Jan 21 00:52:48 harrisburg [] 0xc010104c Jan 21 00:52:48 harrisburg [] 0xc02011e8 Jan 21 00:52:48 harrisburg [] 0xc013c3c0 Jan 21 00:52:48 harrisburg [] 0xc01345a2 Jan 21 00:52:48 harrisburg [] 0xc020aa6c Jan 21 00:52:48 harrisburg [] 0xc013480e Jan 21 00:52:48 harrisburg [] 0xc0102c4d Jan 21 00:52:48 harrisburg Mem-Info: Jan 21 00:52:48 harrisburg DMA per-cpu: Jan 21 00:52:48 harrisburg CPU 0: hi: 0, btch: 1 usd: 0 Jan 21 00:52:48 harrisburg Normal per-cpu: Jan 21 00:52:48 harrisburg CPU 0: hi: 186, btch: 31 usd: 156 Jan 21 00:52:48 harrisburg Active_anon:3777 active_file:4577 inactive_anon:3094 Jan 21 00:52:48 harrisburg inactive_file:79345 unevictable:3 dirty:40 writeback:0 unstable:0 Jan 21 00:52:48 harrisburg free:831 slab:3339 mapped:2025 pagetables:124 bounce:0 Jan 21 00:52:48 harrisburg DMA free:1504kB min:100kB low:124kB high:148kB active_anon:0kB inactive_anon:40kB active_file:116kB inactive_file:11000kB unevictable:0kB present:15808kB pages_scanned:10 all_unreclaimable? no Jan 21 00:52:48 harrisburg lowmem_reserve[]: 0 365 365 365 Jan 21 00:52:48 harrisburg Normal free:1820kB min:2392kB low:2988kB high:3588kB active_anon:15108kB inactive_anon:12336kB active_file:18192kB inactive_file:306380kB unevictable:12kB present:373824kB pages_scanned:0 all_unreclaimable? no Jan 21 00:52:48 harrisburg lowmem_reserve[]: 0 0 0 0 Jan 21 00:52:48 harrisburg DMA: 0*4kB 0*8kB 0*16kB 1*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 1504kB Jan 21 00:52:48 harrisburg Normal: 343*4kB 0*8kB 0*16kB 0*32kB 1*64kB 1*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1820kB Jan 21 00:52:48 harrisburg 83959 total pagecache pages Jan 21 00:52:48 harrisburg 0 pages in swap cache Jan 21 00:52:48 harrisburg Swap cache stats: add 0, delete 0, find 0/0 Jan 21 00:52:48 harrisburg Free swap = 530104kB Jan 21 00:52:48 harrisburg Total swap = 530104kB Jan 21 00:52:48 harrisburg 98272 pages RAM Jan 21 00:52:48 harrisburg 0 pages HighMem Jan 21 00:52:48 harrisburg 1752 pages reserved Jan 21 00:52:48 harrisburg 9692 pages shared Jan 21 00:52:48 harrisburg 90435 pages non-shared Jan 21 00:52:48 harrisburg BUG: unable to handle kernel NULL pointer dereference at 000001dc Jan 21 00:52:48 harrisburg IP: [] 0xc02b39be Jan 21 00:52:48 harrisburg *pde = 00000000 Jan 21 00:52:48 harrisburg Oops: 0000 [#1] PREEMPT Jan 21 00:52:48 harrisburg last sysfs file: /sys/class/net/wlan0/carrier Jan 21 00:52:48 harrisburg Modules linked in: ath9k(+) ipv6 snd_via82xx snd_ac97_codec mac80211 ac97_bus snd_pcm cfg80211 fan snd_page_alloc thermal snd_mpu401_uart rfkill via_rhine floppy processor snd_rawmidi mii thermal_sys led_class via_agp agpgart button nfs lockd sunrpc scsi_wait_scan sbp2 ohci1394 ieee1394 sl811_hcd usbhid ohci_hcd uhci_hcd usb_storage ehci_hcd usbcore lpfc scsi_transport_fc megaraid_sas megaraid_mbox megaraid_mm megaraid aacraid 3w_9xxx 3w_xxxx atp870u dc395x qla1280 dmx3191d sym53c8xx gdth initio BusLogic aic7xxx aic79xx scsi_transport_spi sg [last unloaded: ath9k] Jan 21 00:52:48 harrisburg Jan 21 00:52:48 harrisburg Pid: 15273, comm: modprobe Not tainted (2.6.28-gentoo-r1 #1) KM266-8235 Jan 21 00:52:48 harrisburg EIP: 0060:[] EFLAGS: 00010202 CPU: 0 Jan 21 00:52:48 harrisburg EAX: 00000001 EBX: 00000000 ECX: d7ae87e8 EDX: d9004048 Jan 21 00:52:48 harrisburg ESI: d7ae81a0 EDI: fffffff4 EBP: d7ae8d80 ESP: ce081d2c Jan 21 00:52:48 harrisburg DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 Jan 21 00:52:48 harrisburg Process modprobe (pid: 15273, ti=ce080000 task=d79a4aa0 task.ti=ce080000) Jan 21 00:52:48 harrisburg Stack: Jan 21 00:52:48 harrisburg 00000000 c02b3b6f d7ae81a0 d8e11145 d7ae8d80 d90521d3 00000000 d7af0000 Jan 21 00:52:48 harrisburg fffffff4 d9052ab3 d7ae81a0 0000000b d7ae9420 d7ae8060 d7ae81a0 d7ae8040 Jan 21 00:52:48 harrisburg 00000000 0000000b 00000008 d7ae81a0 d7ae8d80 d7970800 00000000 d7ae81a0 Jan 21 00:52:48 harrisburg Call Trace: Jan 21 00:52:48 harrisburg [] 0xc02b3b6f Jan 21 00:52:48 harrisburg [] 0xd8e11145 Jan 21 00:52:48 harrisburg [] 0xd90521d3 Jan 21 00:52:48 harrisburg [] 0xd9052ab3 Jan 21 00:52:48 harrisburg [] 0xd9057524 Jan 21 00:52:48 harrisburg [] 0xc020e8ed Jan 21 00:52:48 harrisburg [] 0xc025b2b9 Jan 21 00:52:48 harrisburg [] 0xc025b393 Jan 21 00:52:48 harrisburg [] 0xc025ad0a Jan 21 00:52:48 harrisburg [] 0xc025b16d Jan 21 00:52:48 harrisburg [] 0xc025b34a Jan 21 00:52:48 harrisburg [] 0xc025a78f Jan 21 00:52:48 harrisburg [] 0xd8830000 Jan 21 00:52:48 harrisburg [] 0xc025b4f9 Jan 21 00:52:48 harrisburg [] 0xd8830000 Jan 21 00:52:48 harrisburg [] 0xc020eb01 Jan 21 00:52:48 harrisburg [] 0xd8830000 Jan 21 00:52:48 harrisburg [] 0xd8830038 Jan 21 00:52:48 harrisburg [] 0xc010104c Jan 21 00:52:48 harrisburg [] 0xc02011e8 Jan 21 00:52:48 harrisburg [] 0xc013c3c0 Jan 21 00:52:48 harrisburg [] 0xc01345a2 Jan 21 00:52:48 harrisburg [] 0xc020aa6c Jan 21 00:52:48 harrisburg [] 0xc013480e Jan 21 00:52:48 harrisburg [] 0xc0102c4d Jan 21 00:52:48 harrisburg Code: 74 04 0f 0b eb fe e8 86 61 00 00 85 c0 75 1c 68 2f 0f 00 00 68 28 71 36 c0 68 37 71 36 c0 e8 d1 30 05 00 e8 9e 2f 05 00 83 c4 0c <8b> 83 dc 01 00 00 85 c0 75 1f 53 53 68 dd 73 36 c0 e8 b3 30 05 Jan 21 00:52:48 harrisburg EIP: [] SS:ESP 0068:ce081d2c Jan 21 00:52:48 harrisburg ---[ end trace 1e19b49a280dcaa4 ]--- thanks! Joseph Cheek