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Date: Mon, 27 Jan 2014 13:24:11 -0500 From: Steven Rostedt <rostedt@...dmis.org> To: pavel@...linux.ru Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>, linux-rt-users <linux-rt-users@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de>, John Kacur <jkacur@...hat.com> Subject: Re: [ANNOUNCE] 3.12.8-rt11 On Mon, 27 Jan 2014 13:42:29 +0400 Pavel Vasilyev <pavel@...linux.ru> wrote: > 27.01.2014 12:44, Sebastian Andrzej Siewior пишет: > > On 01/26/2014 10:25 PM, Pavel Vasilyev wrote: > >> 25.01.2014 17:45, Sebastian Andrzej Siewior пишет: > >>> Dear RT folks! > >> > >> > >> Gentlemen, let's have a month of stress testing! Divide tasks > >> testing subsystem: USB, NET, MM, ACPI, AUDIO, VIDEO By CPUs: > >> ARM/PPC/X86/X86_64... > >> > >> Purely on observations noted that in September 2013, the quality > >> and stability of the code has deteriorated dramatically. > > > > By September 2k13, do you mean a specific v3.10-RT release? > > > > Any after 3.2.x-rt > > Maybe I'm doing something wrong, but: > > 1) All kernels (3.2, 3.8, 3.12, 3.13,...) are working normally without patches; > > 2) 3.2 works fine in CONFIG_PREEMPT_RT_BASE or CONFIG_PREEMPT_RT_FULL modes; > > 3) 3.10 not works at all, even without -RT patches; Please report the problems here to LKML (linux-kernel@...r.kernel.org) to the appropriate maintainers. As well as the stable@...r.kernel.org mailing list. > > 4) 3.12 work only as CONFIG_PREEMPT_RT_BASE or CONFIG_PREEMPT_RT_FULL in > uniprocessor mode (maxcpus=0, nosmp). Newer patches (Oct.-Dec.) did not work, > even in RT_BASE mode. Does 3.12 work without the -rt patches? > > Varia hardware: One Opteron 285, 2-cpus (4 cores). Six Intel Atoms devices > kernels compiled as x86_32. I have an intel atom dev board hanging around somewhere. I'll see if I can test this. Can you send me your config privately. Thanks, -- Steve > > I have my patches, but I tested both with them and without them. > --- > > Behold! 3.12.8-rt11, RT_FULL mode, kernel cmdline: init=/bin/bash > > 1. > bash: cannot set terminal process group (-1): Inappropriate ioctl for device > bash: no job control in this shell > > 2. > in single mode: After 2 minutes timeout: see screenshot > http://i59.fastpic.ru/big/2014/0127/bc/0f9e04536181286f820ecaae5a8481bc.jpg > > 3. > command killall -15 freezed system! > > > Kernel compiled with debug information starts to work normally, but of course > slower. :D > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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