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charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, Nov 21, 2025 at 3:44=E2=80=AFPM Hannes Reinecke wrot= e: > On 11/20/25 16:18, Yi Zhang wrote: > > I did more testing today, and found that this issue cannot be > > reproduced if I don't set the nr_hugepages > > > > > https://github.com/linux-blktests/blktests/blob/master/tests/nvme/029#L71 > > > > But is the inverse also true, namely _can_ you reproduce it when > nr_hugepages is set? > > Yes, it's now 100% reproduced in my environment. CCed linux-mm@ > After all, there seems to be an issue with hugepages, so it's not > surprising that we don't see it if we don't use hugepages... > > Cheers > > Hannes > -- > Dr. Hannes Reinecke Kernel Storage Architect > hare@suse.de +49 911 74053 688 > SUSE Software Solutions GmbH, Frankenstr. 146, 90461 N=C3=BCrnberg > HRB 36809 (AG N=C3=BCrnberg), GF: I. Totev, A. McDonald, W. Knoblich > > --=20 Best Regards, Yi Zhang --000000000000cd2a0506441854a2 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Fri, Nov 21,= 2025 at 3:44=E2=80=AFPM Hannes Reinecke <hare@suse.de> wrote:
On 11/20/25 16:18, Yi Zhang wrote:
> I did more testing today, and found that this issue cannot be
> reproduced if I don't set the nr_hugepages
>
> https://github.com/lin= ux-blktests/blktests/blob/master/tests/nvme/029#L71
>

But is the inverse also true, namely _can_ you reproduce it when
nr_hugepages is set?

Yes, it's now 100% reproduced in my environment.<= /div>
CCed linux-mm@

=C2=A0
After all, there seems to be an issue with hugepages, so it's not
surprising that we don't see it if we don't use hugepages...

Cheers

Hannes
--
Dr. Hannes Reinecke=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 Kernel Storage Architect
hare@suse.de=C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 N=C3=BCrnberg
HRB 36809 (AG N=C3=BCrnberg), GF: I. Totev, A. McDonald, W. Knoblich



--
Best Regards,
=C2=A0 Yi Zhang
--000000000000cd2a0506441854a2--