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Thu, 05 Mar 2026 03:35:07 -0800 (PST) MIME-Version: 1.0 References: <5948f3a6-8f30-4c45-9b86-2af9a6b37405@kernel.org> <0dfd588c-3284-4310-b1cd-aab54567f0c0@kernel.org> In-Reply-To: From: Tytus Rogalewski Date: Thu, 5 Mar 2026 12:34:55 +0100 X-Gm-Features: AaiRm51H7ngKTzKcIfjBcmnq0unP_iSfw_NV-8Ml8Kl9NUMYOHMFukUzhIssNrk 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, Jens Axboe Content-Type: multipart/alternative; boundary="000000000000112159064c455465" X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 470661C000A X-Stat-Signature: n4jt9iykhoxmc7t9j7c7rc93nsnkj7jq X-Rspam-User: X-HE-Tag: 1772710508-932733 X-HE-Meta: U2FsdGVkX19PYuE0V2hAVC5FcIipGso5jQPsfohFZqmczkoEBY2cv6Z4yG4TxK5cESrEbvmpiGV/0Z2TEVw6PlynGrkTTNxobxoFMUkWTokN1Lqzxw93ox3fC1aHCkHw4RuXHCHWeY0gSBMaijFo8hYrFbFQBRHNijkNh8RMt8E1aQ61IH/mNM2OBV4nvCFO6HrArRNfpMdkLgnhlGWFlAGOcSCHC+6GOfx3fP01woBP55KEKU4ZX3q0aeWO4o5aI64jYzBGp3OATiUp1wMMkUDSm8SOfoAsyolhFBpgul9013gmNs9LEI9TTJHL+Xh2H4dtDTjsxZQQ73o72v31/5uElqZ3UJLeFTrxWMi1DEHVSPMTi6QUd/x2HmnfksXSHOZMTEhPEYdDyMjoIWViynBGdVLw+i0Jd2J0MB8VVbqR/5l+gZ/toyN7cNNY4zxwpeKw0zPAqrH4cnN52pL8t9vtWqgN5rLZFZLtQmvnKqxBb/1Rk/AZIl5F+T566nmu3YTHCkYXPZR7inpcH0xx2RGDFrdcHrr3b7/w1v65IY2/62civG3AhO1B5y36JJ+mAdeAqfHVn4JaCQ8KvQ/gMdBp2XdlJpz3K3CbDULcZOad1EuaUvSrTQ/+J44vqM60Erz9pE6YRU1YZsF4A39F9wjPEEsmIe5Hcc1c/akuIT/oKEhjkUmEpYiAJk7WdVDziPX335foke4t4eFluABrbcfICrL+a+1AfmwaFO/JMZatDBbtV3XT1Vm3JUowvFMi82EcRLGMHE7aVcfOkKegL3x3cecMH96XxEUt/Vhxur7/k/iwsjln9PrCNxJMXssHQzp155C2wDF1fqEHOczfHmAlk4wB+Gamfxus5aBPk7QeRrrtpM3E+hMaVZfrTPddJJOtoNmI0uxYjPsbgph9theEJHEXq6dKz5mL8OIj9AQhW2JwXXqMVD55t9gO7+nfApV1BjGMQ+AV55tXbOr WhEcFr66 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: --000000000000112159064c455465 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Well, i would better not as i would have to put this on production as i have no idea how clients are triggering this in their VMs. Cant trigger this myself. -- tel. 790 202 300 *Tytus Rogalewski* Dolina Krzemowa 6A 83-010 Jagatowo NIP: 9570976234 czw., 5 mar 2026 o 12:33 David Hildenbrand (Arm) napisa=C5=82(a): > On 3/5/26 12:29, Tytus Rogalewski wrote: > > Memory space was fine. > > I have big mem usage as i allocating 95% memory into huge pages 1G > > so the rest is 32-64GB of memory for system. Anyway i had plenty at tha= t > > time when this happened > > Just to confirm, you were able to reproduce this also on an upstream > 6.19-rc4+, correct? > > -- > Cheers, > > David > --000000000000112159064c455465 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Well, i would better not as i would have to put this = on production as i have no idea how clients are triggering this in their VM= s.
Cant trigger this myself.

--

tel. 790 202 300

Tytus Rogalewski

Dolina Krzemowa 6A<= /font>

83-010 Jagatowo

NIP: 9570976234



czw., 5 mar 2026 o 12= :33=C2=A0David Hildenbrand (Arm) <da= vid@kernel.org> napisa=C5=82(a):
On 3/5/26 12:29, Tytus Rogalewski wrote:
> Memory space was fine.
> I have big mem usage as i allocating=C2=A095% memory into huge pages 1= G
> so the rest is 32-64GB of memory for system. Anyway i had plenty at th= at
> time when this happened

Just to confirm, you were able to reproduce this also on an upstream
6.19-rc4+, correct?

--
Cheers,

David
--000000000000112159064c455465--