From: Ferry Toth <fntoth@gmail.com>
To: Felipe Balbi <balbi@kernel.org>,
Wesley Cheng <wcheng@codeaurora.org>,
gregkh@linuxfoundation.org, robh+dt@kernel.org,
agross@kernel.org, bjorn.andersson@linaro.org,
frowand.list@gmail.com
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
jackp@codeaurora.org, heikki.krogerus@linux.intel.com,
andy.shevchenko@gmail.com
Subject: Re: [PATCH v10 0/6] Re-introduce TX FIFO resize for larger EP bursting
Date: Sat, 24 Jul 2021 22:59:36 +0200 [thread overview]
Message-ID: <9dc6cd83-17b9-7075-0934-6b9d41b6875d@gmail.com> (raw)
In-Reply-To: <87pmv9l1dv.fsf@kernel.org>
Hi,
Op 23-07-2021 om 13:23 schreef Felipe Balbi:
> Ferry Toth <fntoth@gmail.com> writes:
>
>> Hi
>>
>> Op 23-07-2021 om 08:59 schreef Felipe Balbi:
>>> Hi,
>>>
>>> Ferry Toth <fntoth@gmail.com> writes:
>>>>>> kernel: configfs-gadget gadget: u_audio_start_playback:451 Error!
>>>>>> kernel: configfs-gadget gadget: u_audio_start_playback:451 Error!
>>>>>> kernel: dwc3 dwc3.0.auto: request 00000000fbc71244 was not queued to ep5in
>>>>>> kernel: dwc3 dwc3.0.auto: request 00000000ad1b8c18 was not queued to ep5in
>>>>>> kernel: dwc3 dwc3.0.auto: Fifosize(2154) > RAM size(2022) ep5in
>>>>>> depth:115540359
>>>>>> kernel: configfs-gadget gadget: u_audio_start_playback:451 Error!
>>>>>> kernel: configfs-gadget gadget: u_audio_start_playback:451 Error!
>>>>>> kernel: dwc3 dwc3.0.auto: request 000000003c32dcc5 was not queued to ep5in
>>>>>> kernel: dwc3 dwc3.0.auto: request 00000000b2512aa9 was not queued to ep5in
>>>>>>
>>>>>> Removing uac2 from the config makes the call trace go away, but the R/W
>>>>>> speed does not change.
>>>> I am testing with 5.14.0-rc2 and now related error appears (not in rc1).
>>>> Disabling uac2 solves it still. Any idea what it could be?
>>>>
>>>> BUG: unable to handle page fault for address: 0000000500000000
>>>> #PF: supervisor instruction fetch in kernel mode
>>>> #PF: error_code(0x0010) - not-present page
>>>> PGD 0 P4D 0
>>>> Oops: 0010 [#1] SMP PTI
>>>> CPU: 0 PID: 494 Comm: irq/14-dwc3 Not tainted
>>>> 5.14.0-rc2-edison-acpi-standard #1
>>> (cool that you're running on ACPI heh)
>> Thanks to Andy this is Edison-Arduino board with ACPI.
>>>> Hardware name: Intel Corporation Merrifield/BODEGA BAY, BIOS 542
>>>> 2015.01.21:18.19.48
>>>> RIP: 0010:0x500000000
>>>> Code: Unable to access opcode bytes at RIP 0x4ffffffd6.
>>>> RSP: 0018:ffffa4d00045fc28 EFLAGS: 00010046
>>>> RAX: 0000000500000000 RBX: ffff8cd546aed200 RCX: 0000000000000000
>>>> RDX: 0000000000000000 RSI: ffff8cd547bfcae0 RDI: ffff8cd546aed200
>>>> RBP: ffff8cd547bfcae0 R08: 0000000000000000 R09: 0000000000000001
>>>> R10: ffff8cd541fd28c0 R11: 0000000000000000 R12: ffff8cd547342828
>>>> R13: ffff8cd546aed248 R14: 0000000000000000 R15: ffff8cd548b1d000
>>>> FS: 0000000000000000(0000) GS:ffff8cd57e200000(0000) knlGS:0000000000000000
>>>> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>>>> CR2: 0000000500000000 CR3: 000000000311e000 CR4: 00000000001006f0
>>>> Call Trace:
>>>> ? dwc3_remove_requests.constprop.0+0x14d/0x170
>>>> ? __dwc3_gadget_ep_disable+0x7a/0x160
>>>> ? dwc3_gadget_ep_disable+0x3d/0xd0
>>>> ? usb_ep_disable+0x1c/0x
>>>> ? u_audio_stop_capture+0x79/0x120 [u_audio]
>>>> ? afunc_set_alt+0x73/0x80 [usb_f_uac2]
>>>> ? composite_setup+0x224/0x1b90 [libcomposite]
>>>> ? __dwc3_gadget_kick_transfer+0x160/0x400
>>>> ? dwc3_gadget_ep_queue+0xf3/0x1a0
>>>> ? configfs_composite_setup+0x6b/0x90 [libcomposite]
>>>> ? configfs_composite_setup+0x6b/0x90 [libcomposite]
>>>> ? dwc3_ep0_interrupt+0x459/0xa40
>>>> ? dwc3_thread_interrupt+0x8ee/0xf40
>>>> ? __schedule+0x235/0x6c0
>>>> ? disable_irq_nosync+0x10/0x10
>>>> ? irq_thread_fn+0x1b/0x60
>>>> ? irq_thread+0xc0/0x160
>>>> ? irq_thread_check_affinity+0x70/0x70
>>>> ? irq_forced_thread_fn+0x70/0x70
>>>> ? kthread+0x122/0x140
>>>> ? set_kthread_struct+0x40/0x40
>>>> ? ret_from_fork+0x22/0x30
>>> Do you mind enabling dwc3 traces and collecting them? Trying to figure
>>> out how we got here.
>>>
>> I'll try if I can get the same error by booting with USB in host mode
>> and then switch to device mode. If so I can enable traces and collect as
>> you explained me before.
>>
>> I'll try before monday, as then I fly for a holiday and will not be
>> available before rc5.
> you can enable all of those with kernel cmdline :-)
>
> https://www.kernel.org/doc/html/latest/admin-guide/kernel-parameters.html
>
> you need ftrace_dump_on_oops=1 and also need the correct options on
> trace_buf_size and trace_event.
>
On Edison-Arduino I have a switch to go to device mode, after which udev
triggers a script configure gadgets through configfs.
I tried to log following these instructions:
https://www.kernel.org/doc/html/latest/driver-api/usb/dwc3.html#reporting-bugs <https://www.kernel.org/doc/html/latest/driver-api/usb/dwc3.html#reporting-bugs>
Unfortunately the kernel crashes so badly I can not get to the ` cp
/t/trace /root/trace.txt` line (after a while the watchdog kicks).
What to do next?
BTW there is a secondary problem not related to dwc3: the console is not
working well and loosing chars. I can connect through wifi/ssh though.
next prev parent reply other threads:[~2021-07-24 20:59 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-17 9:58 [PATCH v10 0/6] Re-introduce TX FIFO resize for larger EP bursting Wesley Cheng
2021-06-17 9:58 ` [PATCH v10 1/6] usb: gadget: udc: core: Introduce check_config to verify USB configuration Wesley Cheng
2021-06-17 11:09 ` Greg KH
2021-06-22 5:27 ` Wesley Cheng
2021-06-17 9:58 ` [PATCH v10 2/6] usb: gadget: configfs: Check USB configuration before adding Wesley Cheng
2021-06-17 11:07 ` Greg KH
2021-06-22 5:27 ` Wesley Cheng
2021-06-22 6:05 ` Greg KH
2021-06-23 9:38 ` Wesley Cheng
2021-06-23 11:35 ` Greg KH
2021-06-23 21:44 ` Wesley Cheng
2021-06-24 12:09 ` Greg KH
2021-06-17 9:58 ` [PATCH v10 3/6] usb: dwc3: Resize TX FIFOs to meet EP bursting requirements Wesley Cheng
2021-06-17 11:10 ` Greg KH
2021-06-22 5:27 ` Wesley Cheng
2021-06-22 6:06 ` Greg KH
2021-06-17 17:56 ` kernel test robot
2021-06-17 18:01 ` kernel test robot
2021-06-17 9:58 ` [PATCH v10 4/6] of: Add stub for of_add_property() Wesley Cheng
2021-06-17 9:58 ` [PATCH v10 5/6] usb: dwc3: dwc3-qcom: Enable tx-fifo-resize property by default Wesley Cheng
2021-06-17 11:12 ` Greg KH
2021-06-17 18:04 ` kernel test robot
2021-06-18 4:35 ` Jack Pham
2021-06-17 9:58 ` [PATCH v10 6/6] dt-bindings: usb: dwc3: Update dwc3 TX fifo properties Wesley Cheng
2021-06-17 21:01 ` [PATCH v10 0/6] Re-introduce TX FIFO resize for larger EP bursting Ferry Toth
2021-06-17 21:48 ` Wesley Cheng
[not found] ` <f5ed0ee7-e333-681f-0f1a-d0227562204b@gmail.com>
2021-06-17 22:25 ` Wesley Cheng
2021-06-19 12:40 ` Ferry Toth
2021-06-22 18:38 ` Wesley Cheng
2021-06-22 20:09 ` Ferry Toth
2021-06-22 22:00 ` Wesley Cheng
2021-06-22 22:12 ` Ferry Toth
2021-06-23 7:50 ` Wesley Cheng
2021-06-25 21:10 ` Ferry Toth
2021-06-25 21:19 ` Wesley Cheng
2021-06-25 22:31 ` Ferry Toth
2021-07-22 18:43 ` Ferry Toth
2021-07-23 6:59 ` Felipe Balbi
[not found] ` <d9aef50c-4bd1-4957-13d8-0b6a14b9fcd0@gmail.com>
2021-07-23 11:23 ` Felipe Balbi
2021-07-24 20:59 ` Ferry Toth [this message]
2021-07-24 21:19 ` Andy Shevchenko
2021-07-24 22:56 ` Ferry Toth
2021-07-25 6:05 ` Felipe Balbi
2021-07-25 13:32 ` Ferry Toth
2021-07-25 14:05 ` Felipe Balbi
2021-07-25 16:54 ` Ferry Toth
2021-07-26 5:57 ` Felipe Balbi
2021-07-26 14:33 ` Wesley Cheng
2021-07-26 21:51 ` Ferry Toth
2021-08-15 20:56 ` Ferry Toth
2021-08-16 5:18 ` Felipe Balbi
2021-08-17 22:00 ` Ferry Toth
2021-08-18 19:07 ` Ferry Toth
2021-08-19 7:51 ` Pavel Hofman
2021-08-19 20:10 ` Ferry Toth
2021-08-19 21:04 ` Pavel Hofman
2021-08-21 2:57 ` Thinh Nguyen
2021-08-22 20:10 ` Ferry Toth
2021-08-23 7:57 ` Pavel Hofman
2021-09-02 0:28 ` Jack Pham
2021-09-02 22:58 ` Thinh Nguyen
2021-08-22 19:43 ` Ferry Toth
2021-08-23 14:59 ` Pavel Hofman
2021-08-23 15:21 ` Andy Shevchenko
2021-08-23 15:34 ` Pavel Hofman
2021-08-23 18:54 ` Ferry Toth
2021-08-23 22:50 ` Thinh Nguyen
2021-08-24 5:39 ` Pavel Hofman
2021-08-24 13:44 ` Ferry Toth
[not found] ` <7ffab777-0f77-f949-f70f-7bf34c504381@gmail.com>
2021-08-26 1:18 ` Thinh Nguyen
2021-08-26 7:30 ` Ferry Toth
2021-08-26 13:35 ` Pavel Hofman
2021-08-19 7:55 ` Andy Shevchenko
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