From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joseph Cheek Date: Wed, 21 Jan 2009 17:18:05 -0500 Subject: [ath9k-devel] modprobe ath9k == BUG: unable to handle kernel NULL pointer dereference at 000001dc In-Reply-To: <49777D8B.10802@cheek.com> References: <4976BD2E.3070807@cheek.com> <43e72e890901211049k1d222dcfqe9a530b26ccd4ca8@mail.gmail.com> <49777D8B.10802@cheek.com> Message-ID: <49779F1D.2090800@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 debug was already on in the kernel. i enabled a few more options but don' t know which options prints the calling function at EIP. are there specific options you would like turned on? Here's the latest call trace. Jan 21 16:21:11 harrisburg modprobe: page allocation failure. order:1, mode:0x20 Jan 21 16:21:11 harrisburg Pid: 10616, comm: modprobe Not tainted 2.6.28-gentoo-r1 #1 Jan 21 16:21:11 harrisburg Call Trace: Jan 21 16:21:11 harrisburg [] 0xc013cd39 Jan 21 16:21:11 harrisburg [] 0xc0153b79 Jan 21 16:21:11 harrisburg [] 0xc0153dca Jan 21 16:21:11 harrisburg [] 0xc02ae791 Jan 21 16:21:11 harrisburg [] 0xc02af00f Jan 21 16:21:11 harrisburg [] 0xd8d44e70 Jan 21 16:21:11 harrisburg [] 0xd8d4564c Jan 21 16:21:11 harrisburg [] 0xd8d447d4 Jan 21 16:21:11 harrisburg [] 0xd8d49528 Jan 21 16:21:11 harrisburg [] 0xc020ea75 Jan 21 16:21:11 harrisburg [] 0xc025b435 Jan 21 16:21:11 harrisburg [] 0xc025b50f Jan 21 16:21:11 harrisburg [] 0xc025ae86 Jan 21 16:21:11 harrisburg [] 0xc025b2e9 Jan 21 16:21:11 harrisburg [] 0xc025b4c6 Jan 21 16:21:11 harrisburg [] 0xc025a90b Jan 21 16:21:11 harrisburg [] 0xd8834000 Jan 21 16:21:11 harrisburg [] 0xc025b675 Jan 21 16:21:11 harrisburg [] 0xd8834000 Jan 21 16:21:11 harrisburg [] 0xc020ec89 Jan 21 16:21:11 harrisburg [] 0xd8834000 Jan 21 16:21:11 harrisburg [] 0xd8834038 Jan 21 16:21:11 harrisburg [] 0xc010104c Jan 21 16:21:11 harrisburg [] 0xc013c236 Jan 21 16:21:11 harrisburg [] 0xc013c440 Jan 21 16:21:11 harrisburg [] 0xc0134606 Jan 21 16:21:11 harrisburg [] 0xc020abf0 Jan 21 16:21:11 harrisburg [] 0xc0134872 Jan 21 16:21:11 harrisburg [] 0xc0102c4d Jan 21 16:21:11 harrisburg Mem-Info: Jan 21 16:21:11 harrisburg DMA per-cpu: Jan 21 16:21:11 harrisburg CPU 0: hi: 0, btch: 1 usd: 0 Jan 21 16:21:11 harrisburg Normal per-cpu: Jan 21 16:21:11 harrisburg CPU 0: hi: 186, btch: 31 usd: 51 Jan 21 16:21:11 harrisburg Active_anon:7443 active_file:7679 inactive_anon:7428 Jan 21 16:21:11 harrisburg inactive_file:65044 unevictable:2 dirty:375 writeback:0 unstable:0 Jan 21 16:21:11 harrisburg free:784 slab:3701 mapped:1576 pagetables:238 bounce:0 Jan 21 16:21:11 harrisburg DMA free:1504kB min:100kB low:124kB high:148kB active_anon:32kB inactive_anon:296kB active_file:100kB inactive_file:10236kB unevictable:0kB present:15808kB pages_scanned:0 all_unreclaimable? no Jan 21 16:21:11 harrisburg lowmem_reserve[]: 0 365 365 365 Jan 21 16:21:11 harrisburg Normal free:1632kB min:2392kB low:2988kB high:3588kB active_anon:29740kB inactive_anon:29416kB active_file:30616kB inactive_file:249940kB unevictable:8kB present:373824kB pages_scanned:0 all_unreclaimable? no Jan 21 16:21:11 harrisburg lowmem_reserve[]: 0 0 0 0 Jan 21 16:21:11 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 16:21:11 harrisburg Normal: 296*4kB 0*8kB 0*16kB 0*32kB 1*64kB 1*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1632kB Jan 21 16:21:11 harrisburg 72757 total pagecache pages Jan 21 16:21:11 harrisburg 0 pages in swap cache Jan 21 16:21:11 harrisburg Swap cache stats: add 0, delete 0, find 0/0 Jan 21 16:21:11 harrisburg Free swap = 530104kB Jan 21 16:21:11 harrisburg Total swap = 530104kB Jan 21 16:21:11 harrisburg 98272 pages RAM Jan 21 16:21:11 harrisburg 0 pages HighMem Jan 21 16:21:11 harrisburg 4397 pages reserved Jan 21 16:21:11 harrisburg 22474 pages shared Jan 21 16:21:11 harrisburg 84761 pages non-shared Jan 21 16:21:11 harrisburg BUG: unable to handle kernel NULL pointer dereference at 000001dc Jan 21 16:21:11 harrisburg IP: [] 0xc02b3b3a Jan 21 16:21:11 harrisburg *pde = 00000000 Jan 21 16:21:11 harrisburg Oops: 0000 [#1] PREEMPT DEBUG_PAGEALLOC Jan 21 16:21:11 harrisburg last sysfs file: /sys/class/net/wlan0/carrier Jan 21 16:21:11 harrisburg Modules linked in: ath9k(+) ipv6 mac80211 snd_via82xx snd_ac97_codec cfg80211 ac97_bus snd_pcm fan via_rhine thermal rfkill snd_page_alloc via_agp floppy processor mii snd_mpu401_uart led_class agpgart snd_rawmidi button thermal_sys 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 16:21:11 harrisburg Jan 21 16:21:11 harrisburg Pid: 10616, comm: modprobe Not tainted (2.6.28-gentoo-r1 #1) KM266-8235 Jan 21 16:21:11 harrisburg EIP: 0060:[] EFLAGS: 00010202 CPU: 0 Jan 21 16:21:11 harrisburg EAX: 00000001 EBX: 00000000 ECX: d65007e8 EDX: d8e84048 Jan 21 16:21:11 harrisburg ESI: d65001a0 EDI: fffffff4 EBP: d6500d80 ESP: cc66fd2c Jan 21 16:21:11 harrisburg DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 Jan 21 16:21:11 harrisburg Process modprobe (pid: 10616, ti=cc66e000 task=d57f2ee0 task.ti=cc66e000) Jan 21 16:21:11 harrisburg Stack: Jan 21 16:21:11 harrisburg 00000000 c02b3ceb d65001a0 d8c04145 d6500d80 d8d441d3 00000000 d5310000 Jan 21 16:21:11 harrisburg fffffff4 d8d44ab3 d65001a0 0000000b d6501420 d6500060 d65001a0 d6500040 Jan 21 16:21:11 harrisburg 00000000 0000000b 00000008 d65001a0 d6500d80 d7170800 00000000 d65001a0 Jan 21 16:21:11 harrisburg Call Trace: Jan 21 16:21:11 harrisburg [] 0xc02b3ceb Jan 21 16:21:11 harrisburg [] 0xd8c04145 Jan 21 16:21:11 harrisburg [] 0xd8d441d3 Jan 21 16:21:11 harrisburg [] 0xd8d44ab3 Jan 21 16:21:11 harrisburg [] 0xd8d49528 Jan 21 16:21:11 harrisburg [] 0xc020ea75 Jan 21 16:21:11 harrisburg [] 0xc025b435 Jan 21 16:21:11 harrisburg [] 0xc025b50f Jan 21 16:21:11 harrisburg [] 0xc025ae86 Jan 21 16:21:11 harrisburg [] 0xc025b2e9 Jan 21 16:21:11 harrisburg [] 0xc025b4c6 Jan 21 16:21:11 harrisburg [] 0xc025a90b Jan 21 16:21:11 harrisburg [] 0xd8834000 Jan 21 16:21:11 harrisburg [] 0xc025b675 Jan 21 16:21:11 harrisburg [] 0xd8834000 Jan 21 16:21:11 harrisburg [] 0xc020ec89 Jan 21 16:21:11 harrisburg [] 0xd8834000 Jan 21 16:21:11 harrisburg [] 0xd8834038 Jan 21 16:21:11 harrisburg [] 0xc010104c Jan 21 16:21:11 harrisburg [] 0xc013c236 Jan 21 16:21:11 harrisburg [] 0xc013c440 Jan 21 16:21:11 harrisburg [] 0xc0134606 Jan 21 16:21:11 harrisburg [] 0xc020abf0 Jan 21 16:21:11 harrisburg [] 0xc0134872 Jan 21 16:21:11 harrisburg [] 0xc0102c4d Jan 21 16:21:11 harrisburg Code: 74 04 0f 0b eb fe e8 86 61 00 00 85 c0 75 1c 68 2f 0f 00 00 68 2a 7d 36 c0 68 ef 7f 36 c0 e8 a9 30 05 00 e8 76 2f 05 00 83 c4 0c <8b> 83 dc 01 00 00 85 c0 75 1f 53 53 68 95 82 36 c0 e8 8b 30 05 Jan 21 16:21:11 harrisburg EIP: [] SS:ESP 0068:cc66fd2c Jan 21 16:21:11 harrisburg ---[ end trace d33038261cc054eb ]--- Joseph Cheek wrote: > I got another repro. I'll rebuild the kernel with debugging support and > send you the syslog when it happens next time. > > > Luis R. Rodriguez wrote: > >> On Tue, Jan 20, 2009 at 10:14 PM, Joseph Cheek wrote: >> >> >>> 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. >>> >>> >> Can you reproduce? >> >> >> >>> Jan 21 00:52:48 harrisburg EIP: [] SS:ESP 0068:ce081d2c >>> >>> >> Enable kernel debugging and then the above will have the routine where >> this came from. >> >> Luis >> >> >> > _______________________________________________ > ath9k-devel mailing list > ath9k-devel at lists.ath9k.org > https://lists.ath9k.org/mailman/listinfo/ath9k-devel >