On 02/28/2013 05:42 PM, andy pugh wrote:
> andypugh@ubuntu:~/linuxcnc-dev$ dmesg
> [   78.148551] I-pipe: could not find timer for cpu #1
> [   78.148565] I-pipe: head domain RTAI registered.
> [   78.148566] RTAI[hal]: compiled with gcc version 4.6.3
> (Ubuntu/Linaro 4.6.3-1ubuntu5) .
> [   78.148569] RTAI[hal]: mounted (IPIPE-NOTHREADS, IMMEDIATE
> (INTERNAL IRQs DISPATCHED), ISOL_CPUS_MASK: 0).
> [   78.148571] SYSINFO: CPUs 1, LINUX APIC IRQ -1, TIM_FREQ 0,
> CLK_FREQ 3092086000, CPU_FREQ 3092086000
> [   78.148572] RTAI_APIC_TIMER_IPI: RTAI DEFINED 2314, VECTOR 2314;
> LINUX_APIC_TIMER_IPI: RTAI DEFINED 2312, VECTOR 2312
> [   78.148578] BUG: unable to handle kernel NULL pointer dereference at 
> 00000014
> [   78.148583] IP: [<c10c13d7>] ipipe_timer_name+0x17/0x20
> [   78.148589] *pdpt = 0000000034597001 *pde = 0000000000000000
> [   78.148591] Oops: 0000 [#1] SMP
> [   78.148593] Modules linked in: rtai_hal(O+) acpiphp dm_crypt
> coretemp snd_ens1371 gameport snd_ac97_codec ac97_bus snd_pcm
> snd_seq_midi snd_rawmidi vmw_balloon snd_seq_midi_event snd_seq
> microcode psmouse snd_timer dm_multipath snd_seq_device serio_raw
> scsi_dh joydev snd soundcore snd_page_alloc btusb shpchp i2c_piix4
> mac_hid parport_pc rfcomm bnep ppdev lp parport bluetooth binfmt_misc
> dm_mirror dm_region_hash dm_log vmw_pvscsi vmxnet3 hid_generic usbhid
> hid aesni_intel cryptd aes_i586 pcnet32 floppy vmwgfx ttm drm mptspi
> mptscsih mptbase
> [   78.148617]
> [   78.148619] Pid: 3033, comm: insmod Tainted: G           O
> 3.5.7-rtai+ #5 VMware, Inc. VMware Virtual Platform/440BX Desktop
> Reference Platform
> [   78.148623] EIP: 0060:[<c10c13d7>] EFLAGS: 00210282 CPU: 0
> [   78.148625] EIP is at ipipe_timer_name+0x17/0x20
> [   78.148626] EAX: 00000000 EBX: 00000000 ECX: de3c3e5c EDX: 35a4f000
> [   78.148627] ESI: 00000000 EDI: 00254fc2 EBP: de3c3eec ESP: de3c3e80
> [   78.148628]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
> [   78.148629] CR0: 8005003b CR2: 00000014 CR3: 3459b000 CR4: 000407f0
> [   78.148666] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
> [   78.148674] DR6: ffff0ff0 DR7: 00000400
> [   78.148675] Process insmod (pid: 3033, ti=de3c2000 task=f40d6600
> task.ti=de3c2000)
> [   78.148676] I-pipe domain Linux
> [   78.148677] Stack:
> [   78.148678]  f9c3f29f f9c40720 0000090a 0000090a 00000908 00000908
> b84d7cf0 00000000
> [   78.148682]  b84d7cf0 00000000 00000001 ffffffff 00000000 00000000
> b84d7cf0 00000000
> [   78.148686]  b84d7cf0 00000000 9ac15d93 f9c40889 ffffffff f9c3d2b0
> 00000000 00000003
> [   78.148689] Call Trace:
> [   78.148695]  [<f9c3f29f>] ? __rtai_hal_init+0x2df/0x380 [rtai_hal]
> [   78.148699]  [<f9c3d2b0>] ? rt_printk+0x20/0x20 [rtai_hal]
> [   78.148701]  [<c1001114>] do_one_initcall+0x34/0x180
> [   78.148705]  [<f9c3efc0>] ? ack_bad_irq+0x40/0x40 [rtai_hal]
> [   78.148710]  [<c10928c8>] sys_init_module+0x2c8/0x1af0
> [   78.148717]  [<c15a5fe8>] sysenter_do_call+0x12/0x16
> [   78.148718] Code: 8b 75 f8 8b 7d fc 89 ec 5d c3 8d 76 00 8d bc 27
> 00 00 00 00 55 89 e5 66 66 66 66 90 8b 15 e0 8c 86 c1 b8 98 71 91 c1
> 5d 8b 04 10 <8b> 40 14 c3 90 8d 74 26 00 55 89 e5 83 ec 18 89 5d f4 89
> 75 f8
> [   78.148744] EIP: [<c10c13d7>] ipipe_timer_name+0x17/0x20 SS:ESP 
> 0068:de3c3e80
> [   78.148746] CR2: 0000000000000014
> [   78.148749] ---[ end trace 12931d0005db0a5b ]---

Yikes, that looks bad.

I've never tried to run this in VMware, but it's working well for me in KVM.

I'm going to copy this to the rtai gurus and see if they can make sense 
of it...


-- 
Sebastian Kuzminsky


------------------------------------------------------------------------------
Everyone hates slow websites. So do we.
Make your web apps faster with AppDynamics
Download AppDynamics Lite for free today:
http://p.sf.net/sfu/appdyn_d2d_feb
_______________________________________________
Emc-developers mailing list
Emc-developers@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-developers

Reply via email to