Re: jemalloc testsuite stalls in memset
From: Andreas Schwab
Date: Thu Dec 15 2016 - 04:24:56 EST
On Dez 15 2016, Minchan Kim <minchan@xxxxxxxxxx> wrote:
> You mean program itself access the address(ie, 0xffffb7400000) is hang
> while access the address from the debugger is OK?
> Can you reproduce it easily?
> Did you test it in real machine or qemu on x86?
Both real and kvm.
> Could you show me how I can reproduce it?
Just run make check.
> I want to test it in x86 machine, first of all.
> Unfortunately, I don't have any aarch64 platform now so maybe I have to
> run it on qemu on x86 until I can set up aarch64 platform if it is reproducible
> on real machine only.
>> The kernel has been configured with transparent hugepages.
>> # CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set
> What's the exact kernel version?
Anything >= your commit.
> I don't think it's HUGE_PAGECACHE problem but to narrow down the scope,
> could you test it without CONFIG_TRANSPARENT_HUGE_PAGECACHE?
That cannot be deselected.
Andreas Schwab, SUSE Labs, schwab@xxxxxxx
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