From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: qianfan <qianfanguijin@163.com>
Cc: linux-usb@vger.kernel.org, Johan Hovold <johan@kernel.org>,
Bin Liu <b-liu@ti.com>
Subject: Re: BUG: linux 5.15.0 hang on usb_wwan_indat_callback
Date: Wed, 12 Apr 2023 19:07:43 +0200 [thread overview]
Message-ID: <2023041257-campfire-squeamish-75a4@gregkh> (raw)
In-Reply-To: <580d8541-1eca-e7b1-ccf5-66eda3e88761@163.com>
On Wed, Apr 12, 2023 at 07:54:28PM +0800, qianfan wrote:
> Hi:
>
> The linux system maybe hang in usb_wwan_indat_callback when the usb modem
> sudden disconnected. This problem has a very small probability and can not
> make it repeat easy.
>
> hardware: allwinner R40 with 4 cortex-a7
> software: linux 5.15.0
5.15.0 is _VERY_ old, sorry. Please try using a modern kernel release,
we can not do anything about old kernels like this.
Does this still happen on the latest 6.2 release, or the latest 6.3-rc
release?
thanks,
greg k-h
next prev parent reply other threads:[~2023-04-12 17:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-12 11:54 BUG: linux 5.15.0 hang on usb_wwan_indat_callback qianfan
2023-04-12 17:07 ` Greg Kroah-Hartman [this message]
2023-04-13 4:50 ` qianfan
2023-04-13 13:46 ` Alan Stern
2023-04-14 2:27 ` qianfan
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