-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 03/05/2015 05:36 PM, Yogi A. Patel wrote: > Hi - > > I see the following when I load a National Instruments DAQ with Analogy: > > Analogy: analogy_ni_pcimio: pcimio_attach: found pci-6259 board > analogy_mite 0000:06:04.0: setting latency timer to 64 > Analogy: analogy_ni_pcimio: pcimio_attach: found irq 11 > ------------[ cut here ]------------ > WARNING: at arch/x86/kernel/ipipe.c:243 ipipe_set_irq_affinity+0x7e/0xb0() > Hardware name: PowerEdge T110 II > Modules linked in: cuse dm_crypt dm_mod coretemp kvm_intel kvm aesni_intel xts > aes_x86_64 lrw gf128mul ablk_helper cryptd ipv6 bnep snd_hda_codec_hdmi rfcomm > dcdbas snd_usb_audio snd_usbmidi_lib snd_hda_intel snd_hda_codec snd_hwdep > snd_seq_midi snd_rawmidi snd_seq_midi_event btusb bluetooth rfkill snd_pcm > snd_seq snd_page_alloc analogy_ni_pcimio analogy_ni_mio fglrx(PO) > snd_seq_device > snd_timer analogy_8255 snd soundcore analogy_ni_tio analogy_ni_mite > xeno_analogy > microcode lpc_ich mfd_core shpchp fuse parport_pc ppdev lp parport ext4 jbd2 > mbcache sd_mod crc_t10dif sr_mod cdrom mpt2sas raid_class scsi_transport_sas > crc32c_intel tg3 ptp pps_core ahci libahci > Pid: 2118, comm: analogy_config Tainted: P O 3.8.13-xenomai-2.6.3 #1 > Call Trace: > [<ffffffff8103aa90>] warn_slowpath_common+0x70/0xa0 > [<ffffffff8103ab7a>] warn_slowpath_null+0x1a/0x20 > [<ffffffff8102336e>] ipipe_set_irq_affinity+0x7e/0xb0 > [<ffffffff810f41c9>] xnintr_attach+0x39/0x140 > [<ffffffff81138a02>] rtdm_irq_request+0x32/0x70 > [<ffffffffa020e09d>] __a4l_request_irq+0x2d/0x30 [xeno_analogy] > [<ffffffffa020f0d3>] a4l_request_irq+0xb3/0x130 [xeno_analogy] > [<ffffffffa0c3bc90>] ? mite_handle_b_linkc+0xf0/0xf0 [analogy_ni_mio] > [<ffffffffa0c4a192>] pcimio_attach+0x582/0x7a4 [analogy_ni_pcimio] > [<ffffffffa020d0c5>] a4l_assign_driver+0x65/0xf0 [xeno_analogy] > [<ffffffffa020d26b>] a4l_device_attach+0x6b/0x90 [xeno_analogy] > [<ffffffffa020d325>] a4l_ioctl_devcfg+0x65/0x130 [xeno_analogy] > [<ffffffffa020f34d>] a4l_ioctl+0x1d/0x20 [xeno_analogy] > [<ffffffff81136be4>] __rt_dev_ioctl+0xb4/0x160 > [<ffffffff811370f2>] ? __rt_dev_open+0x92/0x100 > [<ffffffff8113a029>] ? sys_rtdm_open+0x69/0x80 > [<ffffffff81139eb8>] sys_rtdm_ioctl+0x28/0x30 > [<ffffffff81103e35>] losyscall_event+0xc5/0x2b0 > [<ffffffff810c169a>] ipipe_syscall_hook+0x3a/0x40 > [<ffffffff810bfd0f>] __ipipe_notify_syscall+0xbf/0x130 > [<ffffffff81023965>] __ipipe_syscall_root+0x35/0xe0 > [<ffffffff8126ec17>] __ipipe_syscall_root_thunk+0x35/0x67 > [<ffffffff814f69e7>] ? system_call_after_swapgs+0x54/0x6d > ---[ end trace a4b9bd55c188be24 ]---
do you have any additional a4l_ logs after this? wondering if the attach suceeded. also, what is the sequence of events to generate this problem? > > Then when I run cat /proc/analogy/00-analogy_ni_pcimio, I get "Killed" as the > only output on the command line and the dmesg shows: > > BUG: unable to handle kernel NULL pointer dereference at 0000000000000001 > IP: [<ffffffffa020f1e5>] a4l_rdproc_transfer+0x45/0x190 [xeno_analogy] > PGD 3274a7067 PUD 35526c067 PMD 0 > Oops: 0000 [#1] SMP > Modules linked in: vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) cuse > dm_crypt dm_mod coretemp kvm_intel kvm aesni_intel xts aes_x86_64 lrw gf128mul > ablk_helper cryptd ipv6 bnep snd_hda_codec_hdmi rfcomm dcdbas snd_usb_audio > snd_usbmidi_lib snd_hda_intel snd_hda_codec snd_hwdep snd_seq_midi snd_rawmidi > snd_seq_midi_event btusb bluetooth rfkill snd_pcm snd_seq snd_page_alloc > analogy_ni_pcimio analogy_ni_mio fglrx(PO) snd_seq_device snd_timer > analogy_8255 > snd soundcore analogy_ni_tio analogy_ni_mite xeno_analogy microcode lpc_ich > mfd_core shpchp fuse parport_pc ppdev lp parport ext4 jbd2 mbcache sd_mod > crc_t10dif sr_mod cdrom mpt2sas raid_class scsi_transport_sas crc32c_intel tg3 > ptp pps_core ahci libahci > CPU 1 > Pid: 8923, comm: cat Tainted: P W O 3.8.13-xenomai-2.6.3 #1 Dell Inc. > PowerEdge T110 II/0W6TWP > RIP: 0010:[<ffffffffa020f1e5>] [<ffffffffa020f1e5>] > a4l_rdproc_transfer+0x45/0x190 [xeno_analogy] > RSP: 0018:ffff880338de7e38 EFLAGS: 00010246 > RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000000d > RDX: 0000000000001000 RSI: ffffffffa0212280 RDI: ffff880377dcd020 > RBP: ffff880338de7e60 R08: ffffffffa0212273 R09: 0000000000000000 > R10: 00007ffff799c280 R11: 0000000000000246 R12: ffff8803e4a150c0 > R13: 0000000080000002 R14: 0000000080000008 R15: 0000000000000001 > FS: 00007f380a01c740(0000) GS:ffff88044fd00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000000000000001 CR3: 0000000352b60000 CR4: 00000000001407e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > I-pipe domain Linux > Process cat (pid: 8923, threadinfo ffff880338de4000, task ffff8803ebe2b820) > Stack: > 0000000000000000 ffff8804262a0380 0000000000000001 ffff880338de7f50 > ffff8803e4a150c0 ffff880338de7ec8 ffffffff811ad61e ffff88043b46eae0 > 0000000001fff000 ffff8803e4a150f8 0000000000010000 0000000000000000 > Call Trace: > [<ffffffff811ad61e>] seq_read+0x11e/0x3a0 > [<ffffffff811eccfd>] proc_reg_read+0x6d/0xa0 > [<ffffffff8118cbec>] vfs_read+0x9c/0x170 > [<ffffffff8118ce79>] sys_read+0x49/0xa0 > [<ffffffff814f6a16>] system_call_fastpath+0x16/0x1b > Code: be 08 00 00 80 41 55 41 bd 02 00 00 80 41 54 49 89 fc 53 31 db e8 0c df > f9 > e0 31 c0 48 c7 c6 73 22 21 a0 4c 89 e7 e8 fb de f9 e0 <41> 8b 07 85 c0 75 6f > e9 > cf 00 00 00 0f 1f 80 00 00 00 00 48 3d > RIP [<ffffffffa020f1e5>] a4l_rdproc_transfer+0x45/0x190 [xeno_analogy] > RSP <ffff880338de7e38> > CR2: 0000000000000001 > ---[ end trace a4b9bd55c188be25 ]--- > > Any thoughts? > > > _______________________________________________ > Xenomai mailing list > Xenomai@xenomai.org > http://www.xenomai.org/mailman/listinfo/xenomai > - -- jro -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBAgAGBQJU+ca9AAoJECDcy2IJkagRM30H/3bjVTop+b8dgQsbh58ZvDhF PdcIF+ErUn/+ujkA0HPSeMQqd09QFqxUbZvJ3i+rjgNtOpyMellFa4Dv//FAMW0f wYTXFZbzHISiIdMhTzMSJSqMp9IbABRwltFt233o3luOPuL46gEK/gdW8qdCVnX2 g4KmtwXbVCJvit2/39qAdoobxNJ9jabnuzl2CwWaM3m8fNjlfp4GQ9fUJl7vpFab wQRDw3Ev3nCf28+cHCdDSwx4jiugoRHACBSxdZbuCo8DfwjZDdOVmqi7W9KIUy8o xsp6rOd039HDEQnbwNc8td3N7CDu8L0VrOiMjrl9ahm5tbN/JWBew04HLj3QWtk= =mA/R -----END PGP SIGNATURE----- _______________________________________________ Xenomai mailing list Xenomai@xenomai.org http://www.xenomai.org/mailman/listinfo/xenomai
