From: folkert <folkert@vanheusden.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-project.org
Subject: Re: aconnect occasionally causes kernel oopses
Date: Mon, 2 Aug 2021 17:21:17 +0200 [thread overview]
Message-ID: <20210802152117.GT890690@belle.intranet.vanheusden.com> (raw)
In-Reply-To: <s5hczqvyj8m.wl-tiwai@suse.de>
[ kernel bug if repeatingly aconnect'ing midi devices ]
> Does this happen if you do reconnect of kernel sequencer client?
> You can use snd-virmidi as well as snd-dummy.
> I'm asking it because it'll simplify the test a lot, which will be
> almost self-contained.
Like this?
root@lappiemctopface:~# aplaymidi -l
Port Client name Port name
14:0 Midi Through Midi Through Port-0
20:0 Virtual Raw MIDI 1-0 VirMIDI 1-0
21:0 Virtual Raw MIDI 1-1 VirMIDI 1-1
22:0 Virtual Raw MIDI 1-2 VirMIDI 1-2
23:0 Virtual Raw MIDI 1-3 VirMIDI 1-3
128:0 rtpmidi lappiemctopface Network
128:1 rtpmidi lappiemctopface metronoom
128:2 rtpmidi lappiemctopface AppleMidi2IPMidiBridge
128:3 rtpmidi lappiemctopface oensoens
130:0 FLUID Synth (11462) Synth input port (11462:0)
and then:
root@lappiemctopface:~# cat test.sh
while true
do
aconnect 20:0 21:0
aconnect -d 20:0 21:0
done
root@lappiemctopface:~# for i in `seq 0 3` ; do (./test.sh &) ; done
This hard locks-up my laptop: it doesn't even respond to capslock (led
on/off) anymore nor the ctrl+prtscr+alt+b combination.
next prev parent reply other threads:[~2021-08-02 15:22 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-01 18:27 aconnect occasionally causes kernel oopses folkert
2021-08-02 6:16 ` Takashi Iwai
2021-08-02 6:18 ` folkert
2021-08-02 6:59 ` Takashi Iwai
2021-08-02 9:10 ` folkert
2021-08-02 15:11 ` Takashi Iwai
2021-08-02 15:21 ` folkert [this message]
2021-08-02 17:12 ` Takashi Iwai
2021-08-02 19:53 ` folkert
2021-08-03 6:55 ` Takashi Iwai
2021-08-03 7:40 ` folkert
2021-08-03 7:43 ` Takashi Iwai
2021-08-03 7:44 ` folkert
2021-08-03 7:49 ` Takashi Iwai
2021-08-03 7:52 ` folkert
2021-08-03 10:12 ` folkert
2021-08-03 11:42 ` Takashi Iwai
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=20210802152117.GT890690@belle.intranet.vanheusden.com \
--to=folkert@vanheusden.com \
--cc=alsa-devel@alsa-project.org \
--cc=tiwai@suse.de \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.