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From: Szabolcs Nagy <szabolcs.nagy@arm.com>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: nd@arm.com, qemu-devel@nongnu.org
Subject: Re: another tst-arm-mte bug: qemu-system segfaults
Date: Wed, 3 Jun 2020 14:50:54 +0100	[thread overview]
Message-ID: <20200603135053.GD21536@arm.com> (raw)
In-Reply-To: <9aa721e6-e72f-20bc-73b4-19fc3f493241@linaro.org>

The 06/02/2020 14:58, Richard Henderson wrote:
> On 5/29/20 5:04 AM, Szabolcs Nagy wrote:
> > again i'm using the branch at
> > 
> > https://github.com/rth7680/qemu/tree/tgt-arm-mte
> > 
> > to test armv8.5-a mte, now qemu-system-aarch64 segfaults
> > and it's easy to reproduce: minimal source and static
> > linked binary is attached (should be executed on linux
> > with mte support, i used mte-v4 kernel with reverted
> > memory property check).
> 
> Now fixed on that branch.

thanks my tests now get further but later i run into
the previous assert failure:

target/arm/mte_helper.c:97:allocation_tag_mem: assertion failed: (tag_size <= in_page)

i might be able to reduce it to a small reproducer
this time. i assume that will help.


  reply	other threads:[~2020-06-03 14:10 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-29 12:04 another tst-arm-mte bug: qemu-system segfaults Szabolcs Nagy
2020-06-02 21:08 ` Richard Henderson
2020-06-02 21:58 ` Richard Henderson
2020-06-03 13:50   ` Szabolcs Nagy [this message]
2020-06-03 16:21     ` Richard Henderson
2020-06-03 17:17       ` Szabolcs Nagy
2020-06-05 20:26         ` Richard Henderson
2020-06-08 15:12           ` Szabolcs Nagy

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