[lttng-dev] Allocation failures with babeltrace and TraceCompass - corrupt trace?

Michael Jeanson mjeanson at efficios.com
Tue Jun 27 14:25:28 UTC 2017


On 2017-06-26 05:55, Thomas McGuire wrote:
> Hi Michael,
> 
> On 23.06.2017 21:55, Michael Jeanson wrote:
>> I see from the metadata file you provided that your kernel version is
>> 4.9.28-20170428-1, is it built from vanilla kernel sources? If not,
>> could you point us to a git repo or source archive? It would help a lot
>> to figure this out.
> 
> The Linux system is built with ptxdist, which is similar to Yocto. I'm
> not very familiar with ptxdist.
> During the build process, it fetches
> https://www.kernel.org/pub/linux/kernel/v4.x/linux-4.9.tar.xz.
> There are 25 patches in patches/linux-4.9/ in the ptxdist root dir,
> which I assume are all the patches that are applied.
> 
> None of the patches touch the block subsystem, and only one patch
> touches include/trace/, adding a new siox tracepoint. One patch sets
> "20170428-1" as the EXTRAVERSION. I don't know where SUBLEVEL is set to 28.
> 
> include/trace/events/block.h is the same as
> https://github.com/torvalds/linux/blob/v4.9/include/trace/events/block.h.
> 
> That's all relevant information about the kernel I could figure out so far.
> 
> Any other information that would help?
> 
> Regards,
> Thomas

Hi Thomas,

I forgot to ask for your kernel .config file.

Michael


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