From: Arnd Bergmann <arnd@arndb.de>
To: Tony Lindgren <tony@atomide.com>
Cc: Yegor Yefremov <yegorslists@googlemail.com>,
Ard Biesheuvel <ardb@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Linux-OMAP <linux-omap@vger.kernel.org>,
linux-clk <linux-clk@vger.kernel.org>,
Stephen Boyd <sboyd@kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: am335x: 5.18.x: system stalling
Date: Thu, 12 May 2022 10:42:49 +0200 [thread overview]
Message-ID: <CAK8P3a2wrH9XxGF6uBeQ6J0+KhehxsFO63R6qcwZ1DexH4N=2Q@mail.gmail.com> (raw)
In-Reply-To: <Ynyd9HeFNmGQiovY@atomide.com>
On Thu, May 12, 2022 at 7:41 AM Tony Lindgren <tony@atomide.com> wrote:
> * Yegor Yefremov <yegorslists@googlemail.com> [220511 14:16]:
> > On Thu, May 5, 2022 at 7:08 AM Tony Lindgren <tony@atomide.com> wrote:
> > > * Yegor Yefremov <yegorslists@googlemail.com> [220504 10:35]:
> > > > Hi Tony, all,
> > > >
> > > > since kernel 5.18.x (5.17.x doesn't show this behavior), the system
> > > > stalls as soon as I invoke the following commands (initializing
> > > > USB-to-CAN converter):
> > > >
> > > > slcand -o -s8 -t hw -S 3000000 /dev/ttyUSB0
> > > > ip link set slcan0 up
Oh, I missed this part at first and only looked at the backtrace.
Which CAN driver
are you using? It's likely a problem in the kernel driver.
CONFIG_DMA_API_DEBUG is still likely to pinpoint the bug, but I might also
just see it by looking at the right source file.
Arnd
WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Tony Lindgren <tony@atomide.com>
Cc: Yegor Yefremov <yegorslists@googlemail.com>,
Ard Biesheuvel <ardb@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Linux-OMAP <linux-omap@vger.kernel.org>,
linux-clk <linux-clk@vger.kernel.org>,
Stephen Boyd <sboyd@kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: am335x: 5.18.x: system stalling
Date: Thu, 12 May 2022 10:42:49 +0200 [thread overview]
Message-ID: <CAK8P3a2wrH9XxGF6uBeQ6J0+KhehxsFO63R6qcwZ1DexH4N=2Q@mail.gmail.com> (raw)
In-Reply-To: <Ynyd9HeFNmGQiovY@atomide.com>
On Thu, May 12, 2022 at 7:41 AM Tony Lindgren <tony@atomide.com> wrote:
> * Yegor Yefremov <yegorslists@googlemail.com> [220511 14:16]:
> > On Thu, May 5, 2022 at 7:08 AM Tony Lindgren <tony@atomide.com> wrote:
> > > * Yegor Yefremov <yegorslists@googlemail.com> [220504 10:35]:
> > > > Hi Tony, all,
> > > >
> > > > since kernel 5.18.x (5.17.x doesn't show this behavior), the system
> > > > stalls as soon as I invoke the following commands (initializing
> > > > USB-to-CAN converter):
> > > >
> > > > slcand -o -s8 -t hw -S 3000000 /dev/ttyUSB0
> > > > ip link set slcan0 up
Oh, I missed this part at first and only looked at the backtrace.
Which CAN driver
are you using? It's likely a problem in the kernel driver.
CONFIG_DMA_API_DEBUG is still likely to pinpoint the bug, but I might also
just see it by looking at the right source file.
Arnd
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next prev parent reply other threads:[~2022-05-12 8:43 UTC|newest]
Thread overview: 115+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-04 10:35 am335x: 5.18.x: system stalling Yegor Yefremov
2022-05-05 5:08 ` Tony Lindgren
2022-05-11 14:16 ` Yegor Yefremov
2022-05-12 5:41 ` Tony Lindgren
2022-05-12 5:41 ` Tony Lindgren
2022-05-12 8:14 ` Arnd Bergmann
2022-05-12 8:14 ` Arnd Bergmann
2022-05-12 8:42 ` Arnd Bergmann [this message]
2022-05-12 8:42 ` Arnd Bergmann
2022-05-12 10:20 ` Yegor Yefremov
2022-05-12 10:20 ` Yegor Yefremov
2022-05-19 16:52 ` Yegor Yefremov
2022-05-19 16:52 ` Yegor Yefremov
2022-05-21 19:41 ` Arnd Bergmann
2022-05-21 19:41 ` Arnd Bergmann
2022-05-24 13:38 ` Yegor Yefremov
2022-05-24 13:38 ` Yegor Yefremov
2022-05-24 14:19 ` Tony Lindgren
2022-05-24 14:19 ` Tony Lindgren
2022-05-26 5:49 ` Yegor Yefremov
2022-05-26 5:49 ` Yegor Yefremov
2022-05-26 6:20 ` Tony Lindgren
2022-05-26 6:20 ` Tony Lindgren
2022-05-26 8:19 ` Ard Biesheuvel
2022-05-26 8:19 ` Ard Biesheuvel
2022-05-26 12:37 ` Yegor Yefremov
2022-05-26 12:37 ` Yegor Yefremov
2022-05-26 14:15 ` Arnd Bergmann
2022-05-26 14:15 ` Arnd Bergmann
2022-05-27 4:44 ` Yegor Yefremov
2022-05-27 4:44 ` Yegor Yefremov
2022-05-27 6:38 ` Arnd Bergmann
2022-05-27 6:38 ` Arnd Bergmann
2022-05-27 6:50 ` Tony Lindgren
2022-05-27 6:50 ` Tony Lindgren
2022-05-27 6:57 ` Arnd Bergmann
2022-05-27 6:57 ` Arnd Bergmann
2022-05-27 8:17 ` Yegor Yefremov
2022-05-27 8:17 ` Yegor Yefremov
2022-05-27 8:38 ` Arnd Bergmann
2022-05-27 8:38 ` Arnd Bergmann
2022-05-27 9:50 ` Yegor Yefremov
2022-05-27 9:50 ` Yegor Yefremov
2022-05-27 12:53 ` Arnd Bergmann
2022-05-27 12:53 ` Arnd Bergmann
2022-05-27 13:12 ` Ard Biesheuvel
2022-05-27 13:12 ` Ard Biesheuvel
2022-05-27 14:12 ` Arnd Bergmann
2022-05-27 14:12 ` Arnd Bergmann
2022-05-28 5:48 ` Yegor Yefremov
2022-05-28 5:48 ` Yegor Yefremov
2022-05-28 7:53 ` Arnd Bergmann
2022-05-28 7:53 ` Arnd Bergmann
2022-05-28 8:29 ` Yegor Yefremov
2022-05-28 8:29 ` Yegor Yefremov
2022-05-28 9:07 ` Ard Biesheuvel
2022-05-28 9:07 ` Ard Biesheuvel
2022-05-28 13:01 ` Yegor Yefremov
2022-05-28 13:01 ` Yegor Yefremov
2022-05-28 13:13 ` Arnd Bergmann
2022-05-28 13:13 ` Arnd Bergmann
2022-05-28 19:28 ` Yegor Yefremov
2022-05-28 19:28 ` Yegor Yefremov
2022-05-30 10:16 ` Ard Biesheuvel
2022-05-30 10:16 ` Ard Biesheuvel
2022-05-30 12:09 ` Yegor Yefremov
2022-05-30 12:09 ` Yegor Yefremov
2022-05-30 13:54 ` Arnd Bergmann
2022-05-30 13:54 ` Arnd Bergmann
2022-05-30 15:14 ` Ard Biesheuvel
2022-05-30 15:14 ` Ard Biesheuvel
2022-05-31 8:36 ` Yegor Yefremov
2022-05-31 8:36 ` Yegor Yefremov
2022-05-31 14:16 ` Yegor Yefremov
2022-05-31 14:16 ` Yegor Yefremov
2022-05-31 15:22 ` Arnd Bergmann
2022-05-31 15:22 ` Arnd Bergmann
2022-06-01 7:36 ` Yegor Yefremov
2022-06-01 7:36 ` Yegor Yefremov
2022-06-01 7:59 ` Arnd Bergmann
2022-06-01 7:59 ` Arnd Bergmann
2022-06-01 8:08 ` Ard Biesheuvel
2022-06-01 8:08 ` Ard Biesheuvel
2022-06-01 9:27 ` Ard Biesheuvel
2022-06-01 9:27 ` Ard Biesheuvel
2022-06-01 10:03 ` Yegor Yefremov
2022-06-01 10:03 ` Yegor Yefremov
2022-06-01 10:06 ` Ard Biesheuvel
2022-06-01 10:06 ` Ard Biesheuvel
2022-06-01 10:46 ` Yegor Yefremov
2022-06-01 10:46 ` Yegor Yefremov
2022-06-01 10:49 ` Ard Biesheuvel
2022-06-01 10:49 ` Ard Biesheuvel
2022-06-02 10:17 ` Yegor Yefremov
2022-06-02 10:17 ` Yegor Yefremov
2022-06-02 10:37 ` Ard Biesheuvel
2022-06-02 10:37 ` Ard Biesheuvel
2022-06-02 12:27 ` Yegor Yefremov
2022-06-02 12:27 ` Yegor Yefremov
2022-06-03 8:54 ` Yegor Yefremov
2022-06-03 8:54 ` Yegor Yefremov
2022-06-03 9:32 ` Arnd Bergmann
2022-06-03 9:32 ` Arnd Bergmann
2022-06-03 19:11 ` Yegor Yefremov
2022-06-03 19:11 ` Yegor Yefremov
2022-06-03 20:46 ` Arnd Bergmann
2022-06-03 20:46 ` Arnd Bergmann
2022-06-05 14:59 ` Ard Biesheuvel
2022-06-05 14:59 ` Ard Biesheuvel
2022-06-07 8:55 ` Yegor Yefremov
2022-06-07 8:55 ` Yegor Yefremov
2022-08-12 7:35 ` Arnd Bergmann
2022-08-12 7:35 ` Arnd Bergmann
2022-05-24 14:36 ` Arnd Bergmann
2022-05-24 14:36 ` Arnd Bergmann
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