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([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id r22sm278778ejd.109.2021.10.13.12.05.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 13 Oct 2021 12:05:30 -0700 (PDT) Message-ID: Date: Wed, 13 Oct 2021 21:05:25 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.1.0 Subject: Re: kvm crash in 5.14.1? To: Salvatore Bonaccorso , Stephen Cc: djwong@kernel.org, kvm@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, seanjc@google.com, rppt@kernel.org, James.Bottomley@hansenpartnership.com, akpm@linux-foundation.org, david@redhat.com, hagen@jauu.net References: <85e40141-3c17-1dff-1ed0-b016c5d778b6@gmail.com> <2cd8af17-8631-44b5-8580-371527beeb38@gmail.com> From: Paolo Bonzini In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 4AE4020019C4 X-Stat-Signature: 37ofnpsa616hcfsyu6ry4ta3fkc7dbr5 Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=jNokU8ie; spf=none (imf26.hostedemail.com: domain of pbonzini@redhat.com has no SPF policy when checking 170.10.133.124) smtp.mailfrom=pbonzini@redhat.com; dmarc=pass (policy=none) header.from=redhat.com X-HE-Tag: 1634151938-434125 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 13/10/21 21:00, Salvatore Bonaccorso wrote: > Hi, > > On Sat, Oct 09, 2021 at 12:00:39PM -0700, Stephen wrote: >>> I'll try to report back if I see a crash; or in roughly a week if the >> system seems to have stabilized. >> >> Just wanted to provide a follow-up here and say that I've run on both >> v5.14.8 and v5.14.9 with this patch and everything seems to be good; no >> further crashes or problems. > > In Debian we got a report as well related to this issue (cf. > https://bugs.debian.org/996175). Do you know did the patch felt > through the cracks? Yeah, it's not a KVM patch so the mm maintainers didn't see it. I'll handle it tomorrow. Paolo