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From:   Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
To:     Luca Coelho <luca@coelho.fi>
CC:     Ben Greear <greearb@candelatech.com>,
        "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: AX200 crash on udp upload, cannot restart
Thread-Topic: AX200 crash on udp upload, cannot restart
Thread-Index: AQHVeWK7lfLyaQmgIE6Wn0ukW5sSyqdQlOEA///UxQCAAAIegIAAgfkA
Date:   Tue, 8 Oct 2019 15:51:37 +0000
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> > On Tue, 2019-10-08 at 07:33 +0000, Sergey Matyukevich wrote:
> > > > We have a system with several of the AX200 NICs in it, kernel is 5.=
2.14+.  We ran a udp upload
> > > > test of 10Mbps across all radios, and after about 10 minutes one of=
 the radios crashed and could
> > > > not be restarted.  The others continued to run so far.
> > > >=20
> > > > I will open a bug in the kernel bug tracker.
> > >=20
> > > Hello Ben,
> > >=20
> > > We observed similar issues in our tests as well. All the details
> > > have been described in kernel bugzilla issue:
> > > https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__bugzilla.kerne=
l.org_show-5Fbug.cgi-3Fid-3D205061&d=3DDwIFAg&c=3DMHZppzMdXMt3JYjCV71UsQ&r=
=3DRFH8dgrFzz0_hnNXpEl_u3TZqD-B6kYLzfvbDuCKw3U&m=3Dopeh64GEVevn0071vriL-kH2=
B_orc25yacBPa3YdgLI&s=3DCKuyBZ0VdAQocDiZGOIDyDC6GG9w4E7OikmGvzblazU&e=3D=20
> >=20
> > Thanks for the reports!
> >=20
> > Ben also added a bug in bugzilla[1], let's use that one for tracking
> > (I'll mark Sergey's as a duplicate).
> >=20
> > This is a know issue and our PHY team is already working on it
> > internally.  I don't have much more details at the moment, but I'll
> > update the bugzilla entry as soon as we know more.
>=20
> Actually the bug Sergey pointed out is not the same.  It's a different
> sysassert, 0x103C and it will be investigated separately.
=20
Hi Luca,

By the way, could you please clarify if current firmware for AX200
supports 160MHz band in 11ax ?

Regards,
Sergey