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Jones" To: Peter Zijlstra Cc: Aaron Thompson , linux-kernel@vger.kernel.org Subject: Re: printk.time causes rare kernel boot hangs Message-ID: <20230614155016.GI7636@redhat.com> References: <20230614103011.GL7912@redhat.com> <20230614103953.GM7912@redhat.com> <20230614113536.GJ1639749@hirez.programming.kicks-ass.net> <20230614125320.GA1640563@hirez.programming.kicks-ass.net> <20230614130348.GF7636@redhat.com> <20230614130945.GK1639749@hirez.programming.kicks-ass.net> <20230614145348.GB1640563@hirez.programming.kicks-ass.net> <20230614150717.GG7636@redhat.com> <20230614151920.GN1639749@hirez.programming.kicks-ass.net> <20230614153108.GC1640563@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230614153108.GC1640563@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Not very useful information, but FWIW I can reproduce it with qemu @ 7efd65423a (latest upstream) configured like this: ../configure --target-list=" x86_64-softmmu arm-softmmu s390x-softmmu x86_64-linux-user" \ --disable-werror --enable-kvm --disable-tpm \ --enable-debug --enable-download Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-p2v converts physical machines to virtual machines. Boot with a live CD or over the network (PXE) and turn machines into KVM guests. http://libguestfs.org/virt-v2v