From: Richard Henderson <richard.henderson@linaro.org>
To: Szabolcs Nagy <szabolcs.nagy@arm.com>
Cc: nd@arm.com, qemu-devel@nongnu.org
Subject: Re: tst-arm-mte bug: PSTATE.TCO is cleared on exceptions
Date: Thu, 7 May 2020 10:21:47 -0700 [thread overview]
Message-ID: <5d0ae4c0-70a8-255c-9493-ca8b65e572fb@linaro.org> (raw)
In-Reply-To: <20200507095902.GA30635@arm.com>
On 5/7/20 2:59 AM, Szabolcs Nagy wrote:
> is there some recommended way to turn some form
> of tracing on in qemu before i execute the
> problematic application?
I didn't add any tracing within mte. I can do so if we can guess what we're
looking for.
> or is it better if i try to extract a reproducer?
> (that does not use the network)
A reproducer would be most helpful.
Something that can help is saving a VM snapshot with the kernel booted and the
user logged in, just ready to run the test program. Then you can get back to
exactly the state you want before things go wrong, even with a different qemu
build.
r~
next prev parent reply other threads:[~2020-05-07 17:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-20 10:29 tst-arm-mte bug: PSTATE.TCO is cleared on exceptions Szabolcs Nagy
2020-04-22 4:39 ` Richard Henderson
2020-04-24 19:47 ` Richard Henderson
2020-05-06 12:57 ` Szabolcs Nagy
2020-05-07 9:59 ` Szabolcs Nagy
2020-05-07 17:21 ` Richard Henderson [this message]
2020-05-18 12:59 ` Szabolcs Nagy
2020-05-19 18:46 ` Richard Henderson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5d0ae4c0-70a8-255c-9493-ca8b65e572fb@linaro.org \
--to=richard.henderson@linaro.org \
--cc=nd@arm.com \
--cc=qemu-devel@nongnu.org \
--cc=szabolcs.nagy@arm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).