From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Fengguang Wu <fengguang.wu@intel.com>, linux-serial@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Sean Young <sean@mess.org>, Matthias Brugger <mbrugger@suse.com>,
linux-kernel@vger.kernel.org, lkp@01.org
Subject: Re: [serial8250_interrupt] RIP: 0010:arch_local_irq_restore+0x2/0x8
Date: Tue, 21 Nov 2017 23:14:24 +0200 [thread overview]
Message-ID: <1511298864.25007.370.camel@linux.intel.com> (raw)
In-Reply-To: <1511275154.25007.349.camel@linux.intel.com>
On Tue, 2017-11-21 at 16:39 +0200, Andy Shevchenko wrote:
> On Tue, 2017-11-21 at 21:31 +0800, Fengguang Wu wrote:
> > On Tue, Nov 21, 2017 at 08:33:57PM +0800, Fengguang Wu wrote:
>>> FYI this happens in mainline kernel 4.14.0-02748-gabc36be.
> > > It shows up since v4.13 .
> >
> > Sorry it actually also shows up in 4.10:
>> [ 21.020567] irq 3: nobody cared (try booting with the "irqpoll"
> > option)
> > [ 21.039171] uart_start+0x73/0xe0
> > [ 21.044977] vfs_write+0xc8/0x1e0
> > [ 21.054662] Disabling IRQ #3
Another question who and why initiates a write to ttyS1 (console seems
on ttyS0).
--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy
next prev parent reply other threads:[~2017-11-21 21:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20171121090529.p3bcdz5y5bs5mqk2@wfg-t540p.sh.intel.com>
2017-11-21 12:33 ` [serial8250_interrupt] RIP: 0010:arch_local_irq_restore+0x2/0x8 Fengguang Wu
2017-11-21 13:31 ` Fengguang Wu
2017-11-21 14:39 ` Andy Shevchenko
2017-11-21 21:14 ` Andy Shevchenko [this message]
2017-11-22 23:36 ` Fengguang Wu
2017-11-22 23:43 ` Fengguang Wu
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=1511298864.25007.370.camel@linux.intel.com \
--to=andriy.shevchenko@linux.intel.com \
--cc=fengguang.wu@intel.com \
--cc=gregkh@linuxfoundation.org \
--cc=jslaby@suse.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-serial@vger.kernel.org \
--cc=lkp@01.org \
--cc=mbrugger@suse.com \
--cc=sean@mess.org \
--cc=torvalds@linux-foundation.org \
/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