From: "Emilio G. Cota" <cota@braap.org>
To: "Alex Bennée" <alex.bennee@linaro.org>
Cc: qemu-devel@nongnu.org, Richard Henderson <richard.henderson@linaro.org>
Subject: Re: [Qemu-devel] [RFC v2 0/5] Dynamic TLB sizing
Date: Tue, 9 Oct 2018 10:38:37 -0400 [thread overview]
Message-ID: <20181009143837.GA24820@flamenco> (raw)
In-Reply-To: <87murnmh7j.fsf@linaro.org>
On Tue, Oct 09, 2018 at 13:34:40 +0100, Alex Bennée wrote:
>
> Emilio G. Cota <cota@braap.org> writes:
>
> > v1: https://lists.gnu.org/archive/html/qemu-devel/2018-10/msg01146.html
> >
> > Changes since v1:
>
> Hmm I'm seeing some qtest failures, for example:
>
> $ make check-qtest-alpha V=1
> ...
> QTEST_QEMU_BINARY=alpha-softmmu/qemu-system-alpha QTEST_QEMU_IMG=qemu-img MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))} gtester -k --verbose -m=quick test
> s/boot-serial-test tests/qmp-test tests/qmp-cmd-test tests/device-introspect-test tests/cdrom-test tests/machine-none-test tests/qom-test tests/test-hmp
> TEST: tests/boot-serial-test... (pid=31091)
> /alpha/boot-serial/clipper: Broken pipe
> tests/libqtest.c:129: kill_qemu() detected QEMU death from signal 11 (Segmentation fault) (core dumped)
> FAIL
> GTester: last random seed: R02S948c4a5112fd7682934f4d96e1aff38e
> (pid=31099)
> FAIL: tests/boot-serial-test
I'm pretty sure that the problem is that tlb_init is not being
called at all. Note that this applies to the tlb-lock series
as well, although there we're just calling qemu_spin_init,
which is not really necessary because CPUArchState is 0-allocated.
I'll take a look.
Thanks,
E.
next prev parent reply other threads:[~2018-10-09 14:38 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-08 23:27 [Qemu-devel] [RFC v2 0/5] Dynamic TLB sizing Emilio G. Cota
2018-10-08 23:27 ` [Qemu-devel] [RFC v2 1/5] tcg: Add tlb_index and tlb_entry helpers Emilio G. Cota
2018-10-09 14:43 ` Alex Bennée
2018-10-08 23:27 ` [Qemu-devel] [RFC v2 2/5] (XXX) cputlb: introduce indirection for TLB size Emilio G. Cota
2018-10-08 23:27 ` [Qemu-devel] [RFC v2 3/5] cputlb: do not evict empty entries to the vtlb Emilio G. Cota
2018-10-09 14:45 ` Alex Bennée
2018-10-09 14:49 ` Richard Henderson
2018-10-08 23:27 ` [Qemu-devel] [RFC v2 4/5] cputlb: track TLB use rate Emilio G. Cota
2018-10-09 14:47 ` Alex Bennée
2018-10-08 23:27 ` [Qemu-devel] [RFC v2 5/5] cputlb: dynamically resize TLBs based on " Emilio G. Cota
2018-10-09 14:54 ` Alex Bennée
2018-10-09 16:03 ` Emilio G. Cota
2018-10-09 16:34 ` Alex Bennée
2018-10-09 12:34 ` [Qemu-devel] [RFC v2 0/5] Dynamic TLB sizing Alex Bennée
2018-10-09 14:38 ` Emilio G. Cota [this message]
2018-10-09 14:45 ` Alex Bennée
2018-10-09 15:19 ` Emilio G. Cota
2018-10-09 15:46 ` Alex Bennée
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