From: Greg KH <greg@kroah.com>
To: Nix <nix@esperi.org.uk>
Cc: johan@kernel.org, linux-usb@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: 4.20.7: pl2303 not working (post-4.19 regression) (limited info so far, not yet bisected)
Date: Sat, 16 Feb 2019 20:47:58 +0100 [thread overview]
Message-ID: <20190216194758.GA10756@kroah.com> (raw)
In-Reply-To: <87o97bu2bt.fsf@esperi.org.uk>
On Sat, Feb 16, 2019 at 04:26:30PM +0000, Nix wrote:
> So I just tried to connect up to my ancient Soekris firewall's serial
> console to try to bisect a problem where it stopped booting in 4.20, and
> found I couldn't.
>
> minicom says:
>
> minicom: cannot open /dev/ttyUSB0: Input/output error
>
> and in the dmesg we see
>
> [705576.028170] pl2303 ttyUSB0: failed to submit interrupt urb: -28
>
> Booting to 4.19, everything works fine. (A random GalliumOS Chromebook
> running 4.9.4 works fine too, not that that confirmation is terribly
> useful.)
>
> This is an extremely preliminary report in case it's instantly obvious
> what's going on: I'll do enough investigation to produce an actually
> useful bug report, including bisecting this, after I've bisected the
> *other* non-booting bug, but that might not be until next weekend. (All
> this for a firewall I was trying to decommission! bah :) )
bisection would be great, thanks!
greg k-h
next prev parent reply other threads:[~2019-02-16 19:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-16 16:26 4.20.7: pl2303 not working (post-4.19 regression) (limited info so far, not yet bisected) Nix
2019-02-16 19:47 ` Greg KH [this message]
2019-02-17 19:13 ` Nix
2019-02-18 7:58 ` Johan Hovold
2019-02-18 10:32 ` Nix
2019-02-20 9:29 ` Johan Hovold
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