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Thu, 05 Feb 2026 05:20:44 -0800 (PST) MIME-Version: 1.0 References: <5948f3a6-8f30-4c45-9b86-2af9a6b37405@kernel.org> In-Reply-To: From: Tytus Rogalewski Date: Thu, 5 Feb 2026 14:20:32 +0100 X-Gm-Features: AZwV_QgID9RHwkof0y9P5DyZEqMgfoHb9jybO8L3UEKcPCBz1qeKo_5lA8fFvC4 Message-ID: Subject: Re: walk_pgd_range BUG: unable to handle page fault To: "David Hildenbrand (Arm)" Cc: linux-mm@kvack.org, muchun.song@linux.dev, osalvador@suse.de Content-Type: multipart/alternative; boundary="000000000000442f1e064a138a43" X-Rspamd-Server: rspam11 X-Stat-Signature: 7tfusjnbnpsf531fqj48xrrjk9hqbtuo X-Rspam-User: X-Rspamd-Queue-Id: 0C63918000E X-HE-Tag: 1770297646-806707 X-HE-Meta: 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 1HEes2UO 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.104876, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: --000000000000442f1e064a138a43 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable All my clients are renting GPUs so i can passthrough but i have no idea what they are doing there and it is not instant crash. it can work for few days under heavy load and then it happens. So even if i would di cpu only, i dont think it would give us anything. -- tel. 790 202 300 *Tytus Rogalewski* Dolina Krzemowa 6A 83-010 Jagatowo NIP: 9570976234 czw., 5 lut 2026 o 13:57 David Hildenbrand (Arm) napisa=C5=82(a): > On 2/5/26 13:46, Tytus Rogalewski wrote: > > Hehe, i cant. I dont have any CPU only servers :) > > But you can just not passthrough a GPU to the VM? > -- > Cheers, > > David > --000000000000442f1e064a138a43 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
All my clients are renting GPUs so i can passthrough = but i have no idea what they are doing there and it is not instant crash. i= t can work for few days under heavy load and then it happens. So even if i = would di cpu only, i dont think it would give us anything.

--

tel. 790 202 300

Tytus Rogalewski

Dolina Krzemowa 6A<= /font>

83-010 Jagatowo

NIP: 9570976234



czw., 5 lut 2026 o 13= :57=C2=A0David Hildenbrand (Arm) <da= vid@kernel.org> napisa=C5=82(a):
On 2/5/26 13:46, Tytus Rogalewski wrote:
> Hehe, i cant. I dont have any CPU only servers :)

But you can just not passthrough a GPU to the VM?
--
Cheers,

David
--000000000000442f1e064a138a43--