Re: kernel stack overflow
Felix Frey <[email protected]>
| Newsgroups | gmane.linux.real-time.rtai |
|---|---|
| Message-ID | <[email protected]> |
It's exactly the same with kernel 4.1.18. Felix > On 04/21/2016 06:25 PM, Felix Frey wrote: >> Hi, >> >> At every boot time I get this message. >> The system runs fine afterwards, however, it's probably not normal. > If it is at boot, i.e with no RTAI module installed, it is likely a patch problem. > Are you using the latest one found in VULCANO CVS (for 3.18.20)? I've tested with it an > it does not show up, but I did not see it before anyway on my hardware. > Maybe you can try with 4.1.18 and see if it is solved with it. > > Paolo >> I don't know wether it has something todo with RTAI, I just see this ipipe-calls. >> Kernel 3.18.22 / RTAI vulcano >> >> >> [ 4.224202] ------------[ cut here ]------------ >> [ 4.228834] WARNING: CPU: 1 PID: 0 at arch/x86/kernel/irq_64.c:70 handle_irq+0x131/0x140() >> [ 4.237093] do_IRQ(): swapper/1 has overflown the kernel stack (cur:ffff880058c0c000,sp:ffff88005afa77c8,irq stk top-bottom:fff >> f88005b280080-ffff88005b283fc0,exception stk top-bottom:ffff88005b285080-ffff88005b28a000) >> [ 4.256357] Modules linked in: >> [ 4.259440] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.18.22-rtai #1 >> [ 4.265874] Hardware name: /conga-QG, BIOS QFT3R005 05/27/2014 >> [ 4.271969] 0000000000000009 ffff880058c0fb90 ffffffff8160b0ce 0000000000000090 >> [ 4.279429] ffff880058c0fbe0 ffff880058c0fbd0 ffffffff8104cdd7 0000000000000292 >> [ 4.286883] 000000000000001e 000000000000001e 00000000000000e1 00000000000000e1 >> [ 4.294340] Call Trace: >> [ 4.296801] [<ffffffff8160b0ce>] dump_stack+0x46/0x58 >> [ 4.301948] [<ffffffff8104cdd7>] warn_slowpath_common+0x87/0xb0 >> [ 4.307952] [<ffffffff8104cea1>] warn_slowpath_fmt+0x41/0x50 >> [ 4.313700] [<ffffffff813013dd>] ? radix_tree_lookup+0xd/0x10 >> [ 4.319531] [<ffffffff810051d1>] handle_irq+0x131/0x140 >> [ 4.324843] [<ffffffff81004a42>] do_IRQ+0x62/0x110 >> [ 4.329725] [<ffffffff81032880>] ? smp_trace_call_function_interrupt+0xb0/0xb0 >> [ 4.337031] [<ffffffff810049e0>] ? arch_irq_stat+0x10/0x10 >> [ 4.342602] [<ffffffff81031dfd>] __ipipe_do_IRQ+0x7d/0x90 >> [ 4.348090] [<ffffffff81031e03>] ? __ipipe_do_IRQ+0x83/0x90 >> [ 4.353755] [<ffffffff810dc5d9>] __ipipe_do_sync_stage+0x169/0x170 >> [ 4.360027] [<ffffffff8107755a>] ? __dequeue_entity+0x2a/0x50 >> [ 4.365859] [<ffffffff810dc6ab>] ipipe_unstall_root+0x2b/0x40 >> [ 4.371692] [<ffffffff8106db56>] finish_task_switch+0x56/0xd0 >> [ 4.377526] [<ffffffff8106fd3f>] thread_return+0x27c/0x37d >> [ 4.383099] [<ffffffff8160d986>] __schedule+0x166/0x470 >> [ 4.388411] [<ffffffff8160dcf4>] schedule+0x24/0x70 >> [ 4.393380] [<ffffffff8160e089>] schedule_preempt_disabled+0x9/0x10 >> [ 4.399734] [<ffffffff81082505>] cpu_startup_entry+0x155/0x390 >> [ 4.405653] [<ffffffff810823b1>] ? cpu_startup_entry+0x1/0x390 >> [ 4.411572] [<ffffffff810330e3>] start_secondary+0x143/0x150 >> [ 4.417315] ---[ end trace 9ec1b8c280f4e561 ]--- >> >> Any ideas? >> Felix >> _______________________________________________ >> Rtai mailing list >> [email protected] >> https://mail.rtai.org/cgi-bin/mailman/listinfo/rtai _______________________________________________ Rtai mailing list [email protected] https://mail.rtai.org/cgi-bin/mailman/listinfo/rtai