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To: Ingo Molnar , Steve Wahl Cc: Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , linux-kernel@vger.kernel.org, Linux regressions mailing list , stable@vger.kernel.org, Eric Hagberg , Simon Horman , Eric Biederman , Dave Young , Sarah Brofeldt , Russ Anderson , Dimitri Sivanich , Hou Wenlong , Andrew Morton , Baoquan He , Yuntao Wang , Bjorn Helgaas References: <20240328160614.1838496-1-steve.wahl@hpe.com> Content-Language: en-US From: Pavin Joseph In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spamd-Result: default: False [-0.09 / 10.00]; MIME_GOOD(-0.10)[text/plain]; XM_UA_NO_VERSION(0.01)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; RCVD_COUNT_ONE(0.00)[1]; ASN(0.00)[asn:16276, ipnet:51.83.0.0/16, country:FR]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_TWELVE(0.00)[25]; RCVD_TLS_ALL(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_CC(0.00)[linux.intel.com,kernel.org,infradead.org,linutronix.de,redhat.com,alien8.de,zytor.com,vger.kernel.org,lists.linux.dev,gmail.com,verge.net.au,xmission.com,dbc.dk,hpe.com,antgroup.com,linux-foundation.org,google.com]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; TO_DN_SOME(0.00)[] X-Rspamd-Server: nf1.mymailcheap.com X-Rspamd-Action: no action X-Rspamd-Queue-Id: 4F7E04007F On 3/29/24 12:45, Ingo Molnar wrote: > Does the 'nogbpages' kernel command line option fail on these systems > even outside of kexec (ie. regular boot), or only in combination with > kexec? Original reporter here, using nogbpages allows for normal bootup, but kexec fails with it on my two similar systems. Pavin.