From: Dianne Skoll <dianne@skoll.ca>
To: Jiri Slaby <jirislaby@kernel.org>
Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: N_HDLC line discipline: Race condition
Date: Wed, 15 May 2024 09:42:52 -0400 [thread overview]
Message-ID: <20240515094252.5f63fce9@gato.skoll.ca> (raw)
In-Reply-To: <c937cd80-ecd5-4d41-ad72-668661898039@kernel.org>
On Wed, 15 May 2024 12:33:24 +0200
Jiri Slaby <jirislaby@kernel.org> wrote:
> I can repro even with 4.19:
Huh! I managed to make it happen on Debian's 4.19.67
kernel. I had to redirect stdout/stderr to a file because printing to the
terminal slowed down the writes enough to prevent it from happening for me.
I guess it's hardware-dependent because I can't reproduce it on kernel
6.6 on a Raspberry Pi.
> > So I guess it was introduced sometime between 4.19.67 and 5.10.209.
> > I'll take a look to see if I can do a git bisect.
> Were you able to do so?
Unfortunately not; the older kernels failed to compile on my machine and
since I'm not a kernel developer and don't actually use any software that
relies on N_HDLC, I gave up... sorry.
Regards,
Dianne.
next prev parent reply other threads:[~2024-05-15 13:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-24 21:31 N_HDLC line discipline: Race condition Dianne Skoll
2024-04-25 18:01 ` Dianne Skoll
2024-05-15 10:33 ` Jiri Slaby
2024-05-15 13:42 ` Dianne Skoll [this message]
2024-05-15 15:44 ` Dianne Skoll
2024-05-21 10:47 ` Jiri Slaby
2024-05-21 14:15 ` Dianne Skoll
2024-05-23 8:01 ` Jiri Slaby
2024-05-23 12:44 ` Dianne Skoll
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