From: Stanislaw Gruszka <sgruszka@redhat.com>
To: Johannes Stezenbach <js@sig21.net>
Cc: Lorenzo Bianconi <lorenzo@kernel.org>,
Felix Fietkau <nbd@nbd.name>,
linux-wireless@vger.kernel.org
Subject: Re: mt76x0u blocks resume from suspend
Date: Tue, 23 Jul 2019 09:18:07 +0200 [thread overview]
Message-ID: <20190723071806.GA2892@redhat.com> (raw)
In-Reply-To: <20190722164020.GA5850@sig21.net>
Hi
On Mon, Jul 22, 2019 at 06:40:20PM +0200, Johannes Stezenbach wrote:
> I met failure to resume from suspend to RAM with v5.1.19
> and TP-Link Archer T2UH connected to my PC (Asus P8H77-V).
> I tried about a dozen times while trying to figure out the reason,
> the issue happened every time.
> Eventually I connected a serial console and captured this:
>
> [ 87.803576][ T4640] mt76x0u 2-1.6:1.0: vendor request req:06 off:ac80 failed:-110
> [ 91.030328][ T4640] mt76x0u 2-1.6:1.0: vendor request req:07 off:b000 failed:-110
> [ 94.256950][ T4640] mt76x0u 2-1.6:1.0: vendor request req:06 off:b000 failed:-110
> [ 97.483579][ T4640] mt76x0u 2-1.6:1.0: vendor request req:06 off:aca0 failed:-110
> (repeats)
> [ 107.492106][ C0] Call Trace:
> [ 107.495293][ C0] ? __schedule+0x381/0xa30
> [ 107.499706][ C0] schedule+0x36/0x90
> [ 107.503575][ C0] schedule_timeout+0x1e8/0x4c0
> [ 107.508310][ C0] ? collect_expired_timers+0xb0/0xb0
> [ 107.513593][ C0] wait_for_common+0x15f/0x190
> [ 107.518249][ C0] ? wake_up_q+0x80/0x80
> [ 107.522412][ C0] usb_start_wait_urb+0x82/0x160
> [ 107.527222][ C0] ? wait_for_common+0x38/0x190
> [ 107.531961][ C0] usb_control_msg+0xdc/0x140
> [ 107.536542][ C0] __mt76u_vendor_request+0xc4/0x100 [mt76_usb]
> [ 107.542687][ C0] mt76u_copy+0x8b/0xb0 [mt76_usb]
> [ 107.547721][ C0] mt76x02_mac_shared_key_setup+0xdf/0x130 [mt76x02_lib]
<snip>
> The whole machine is hanging at this point. without serial console
> my only choice was to press the reset button. At least mt76x0u should
> bail out with an error and not block the resume completely.
> Unplugging the hardware also didn't cause it to bail.
I recently sent fix for that
https://lore.kernel.org/linux-wireless/1563446290-2813-1-git-send-email-sgruszka@redhat.com/raw
Stanislaw
next prev parent reply other threads:[~2019-07-23 7:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-22 16:40 mt76x0u blocks resume from suspend Johannes Stezenbach
2019-07-23 7:18 ` Stanislaw Gruszka [this message]
2019-07-26 6:52 ` Johannes Stezenbach
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