From: Ferry Toth <fntoth@gmail.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: "linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
Felipe Balbi <balbi@kernel.org>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Jack Pham <jackp@codeaurora.org>
Subject: Re: BUG with linux 5.9.0 with dwc3 in gadget mode
Date: Tue, 27 Oct 2020 22:54:21 +0100 [thread overview]
Message-ID: <30ab00e4-53ae-fd9e-1689-c94078a31625@gmail.com> (raw)
In-Reply-To: <CAHp75Vc0P746FhhohJ=wRccsQL4ewn+AECMw3yTD6cuGxHCG9Q@mail.gmail.com>
Hi,
Op 27-10-2020 om 22:16 schreef Andy Shevchenko:
> On Tue, Oct 27, 2020 at 10:13 PM Ferry Toth <fntoth@gmail.com> wrote:
>> Op 22-10-2020 om 15:43 schreef Andy Shevchenko:
>>> On Thu, Oct 22, 2020 at 4:21 PM Thinh Nguyen <Thinh.Nguyen@synopsys.com> wrote:
>>>> Ferry Toth wrote:
> ...
>
>>>> There are some fixes to dwc3 in kernel mainline. Is it possible to test
>>>> this against linux-next?
>>> I think the best is to wait for v5.10-rc1 and retest.
> Can you give a try of v5.10-rc1?
Yes, I just tried:
I booted in host mode, then flip the switch. Gadget come up, go down
once, then come up again and stay up.
I tested mass storage mounts, network works. Sound device is detected by
the host, I didn't actually try to play a sound.
So, big improvement, thanks!
>> I looks like there have been at least 3 problems:
>>
>> 1) dwc3 was not working in host mode, but not causing an oops. This may
>> have been caused by platform changes. Andy has provided a fix for this,
>> dwc3 now working in host mode on 5.9
> Rafael took the above mentioned change(s) for v5.10-rcX.
> https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commit/?h=bleeding-edge&id=99aed9227073fb34ce2880cbc7063e04185a65e1
>
>> 2) dwc3 was causing the oops in gadget mode as referenced in this
>> thread. The experimental patch from Jack Phan indeed fixes this.
>>
>> Code here: https://github.com/edison-fw/linux/commits/eds-acpi-5.9.0
>>
>> 3) With the above 2 fixes gadgets work but seem to be powered down
>> (after 15 sec. or so) and up (after 1 sec.) continuously. No oops, no
>> errors in journal. The gadgets I enabled are a network, sound and mass
>> storage. The latter stops working due to going up/down quickly. But my
>> host shows network/sound appearing/disappearing. Journal of edison shows:
>>
>> systemd-networkd[525]: usb0: Gained carrier
>> systemd-networkd[525]: usb0: Gained IPv6LL
>> systemd-networkd[525]: usb0: Lost carrier
>> systemd-networkd[525]: usb0: Gained carrier
>> systemd-networkd[525]: usb0: Gained IPv6LL
>> systemd-networkd[525]: usb0: Lost carrier
>>
>> Any ideas how to proceed are highly welcomed!
next prev parent reply other threads:[~2020-10-27 21:54 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-16 20:21 BUG with linux 5.9.0 with dwc3 in gadget mode Ferry Toth
2020-10-19 5:45 ` Felipe Balbi
2020-10-19 7:14 ` Ferry Toth
2020-10-19 18:49 ` Ferry Toth
2020-10-20 12:35 ` Felipe Balbi
2020-10-20 21:01 ` Ferry Toth
2020-10-19 7:18 ` Ferry Toth
2020-10-20 12:32 ` Felipe Balbi
2020-10-20 19:46 ` Ferry Toth
2020-10-20 20:37 ` Ferry Toth
2020-10-20 22:10 ` Thinh Nguyen
2020-10-20 22:58 ` Thinh Nguyen
2020-10-21 1:47 ` Jack Pham
2020-10-21 1:56 ` Thinh Nguyen
2020-10-21 20:01 ` Ferry Toth
2020-10-22 9:23 ` Andy Shevchenko
2020-10-21 19:45 ` Ferry Toth
2020-10-21 19:50 ` Thinh Nguyen
2020-10-21 20:42 ` Ferry Toth
2020-10-21 23:32 ` Thinh Nguyen
2020-10-22 13:43 ` Andy Shevchenko
2020-10-27 20:13 ` Ferry Toth
2020-10-27 21:06 ` Jack Pham
2020-10-27 22:07 ` Ferry Toth
2020-10-27 21:16 ` Andy Shevchenko
2020-10-27 21:54 ` Ferry Toth [this message]
2020-10-28 9:18 ` Felipe Balbi
2020-11-05 21:29 ` Ferry Toth
2020-11-06 6:38 ` Felipe Balbi
2020-11-06 8:14 ` Ferry Toth
[not found] ` <326aa23e-fabd-f3d6-4778-d036858413a2@gmail.com>
2020-11-06 14:15 ` Felipe Balbi
[not found] ` <e21a5a77-9017-4cbe-a228-85357d660da5@gmail.com>
2020-11-07 8:01 ` Felipe Balbi
2020-11-07 13:37 ` Ferry Toth
2020-11-09 7:00 ` Felipe Balbi
2020-10-27 21:19 ` Andy Shevchenko
2020-10-19 19:46 ` Andy Shevchenko
2020-10-19 20:46 ` Ferry Toth
2020-10-20 13:27 ` Andy Shevchenko
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