From: Cyril Hrubis <chrubis@suse.cz>
To: ltp@lists.linux.it
Subject: [LTP] LTP: futex_wake04 hangs forever on i386
Date: Mon, 8 Oct 2018 15:30:59 +0200 [thread overview]
Message-ID: <20181008133059.GB30978@rei> (raw)
In-Reply-To: <CA+G9fYs13QZtsREe3dvic+G6VPQ1dJroKH0sguBiNdtizRTeNQ@mail.gmail.com>
Hi!
> LTP syscall test case futex_wake04 hangs forever on i386 kernel
> running on x86_64 server machine.
>
> Test PASS on qemu_i386 and other devices.
> Test HANGs on i386 (i386 kernel booting on x86_64 machine).
>
> output,
> incrementing stop
> futex_wake04 0 TINFO : Hugepagesize 4194304
Looks like we are trying to fault 4GB hugepage, that may be quite slow,
but then, the test is a kernel reproducer as well.
Can you connect to the process with gdb and check if we happened to
timeout before or after the two threads that are are supposed to trigger
kernel bug are started?
--
Cyril Hrubis
chrubis@suse.cz
next prev parent reply other threads:[~2018-10-08 13:30 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-08 13:21 [LTP] LTP: futex_wake04 hangs forever on i386 Naresh Kamboju
2018-10-08 13:30 ` Cyril Hrubis [this message]
2018-10-09 2:05 ` Rafael David Tinoco
2018-10-09 9:28 ` Cyril Hrubis
2018-10-09 11:45 ` Rafael David Tinoco
2018-10-09 18:49 ` Rafael David Tinoco
2018-10-09 21:06 ` [LTP] [PATCH] futex/futex_wake04.c: fix issues with hugepages and usleep Rafael David Tinoco
2018-10-10 10:43 ` Cyril Hrubis
2018-10-10 11:14 ` Rafael David Tinoco
2018-10-10 12:06 ` Cyril Hrubis
2018-10-10 11:41 ` [LTP] [PATCH v2 1/2] futex/futex_wake04.c: fix hugepages setup for test Rafael David Tinoco
2018-10-10 11:41 ` [LTP] [PATCH v2 2/2] futex/futex_wake04.c: raise delay waiting for threads Rafael David Tinoco
2018-10-10 14:20 ` [LTP] [PATCH] futex/futex_wake04.c: fix issues with hugepages and usleep Rafael David Tinoco
2018-10-11 12:23 ` Cyril Hrubis
2018-10-10 10:41 ` [LTP] LTP: futex_wake04 hangs forever on i386 Cyril Hrubis
2018-10-10 11:13 ` Rafael David Tinoco
2018-10-10 12:05 ` Cyril Hrubis
2018-10-10 12:15 ` Rafael David Tinoco
2018-10-10 12:33 ` Cyril Hrubis
2018-10-10 12:48 ` Rafael David Tinoco
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=20181008133059.GB30978@rei \
--to=chrubis@suse.cz \
--cc=ltp@lists.linux.it \
/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