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[88.208.79.100]) by smtp.gmail.com with ESMTPSA id p19sm10861646wrg.18.2020.12.06.00.17.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 06 Dec 2020 00:17:54 -0800 (PST) Sender: Michal Meloun From: Michal Meloun X-Google-Original-From: Michal Meloun Reply-To: mmel@freebsd.org Subject: Re: ThunderX Panic after r368370 To: Marcel Flores , freebsd-arm@freebsd.org References: <1C3442ED-278E-45B8-9206-0DD24FCBC237@brickporch.com> Message-ID: <4331eee0-74a6-565c-3bec-0051415b2bc1@freebsd.org> Date: Sun, 6 Dec 2020 09:17:56 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.5.1 MIME-Version: 1.0 In-Reply-To: <1C3442ED-278E-45B8-9206-0DD24FCBC237@brickporch.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4CpfT15l0Xz3MgL X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=NuzSaXlr; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of melounmichal@gmail.com designates 2a00:1450:4864:20::335 as permitted sender) smtp.mailfrom=melounmichal@gmail.com X-Spamd-Result: default: False [-4.00 / 15.00]; HAS_REPLYTO(0.00)[mmel@freebsd.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; TAGGED_FROM(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[2a00:1450:4864:20::335:from]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; REPLYTO_DOM_NEQ_FROM_DOM(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arm@freebsd.org]; SPAMHAUS_ZRD(0.00)[2a00:1450:4864:20::335:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::335:from]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-arm] X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Dec 2020 08:17:58 -0000 On 06.12.2020 3:21, Marcel Flores wrote: > Hi All, > > Looks like the ThunderX started panicking at boot after r368370: > > https://reviews.freebsd.org/rS368370 > > From a verbose boot, it looks like it bails in gic0 redistributor setup(?): > > gic0: CPU29 Re-Distributor woke up > gic0: CPU24 enabled CPU interface via system registers > gic0: CPU17 enabled CPU interface via system registers > gic0: CPU29 enabled CPU interface via system registers > done > > Full Verbose boot: > https://gist.github.com/mesflores/f026122495c8494d041bce04d30b15bb > > I'm not really familiar with the details of the commit, but happy to test > anything if anyone has any ideas. Hi Marcel are you able to get crashdump and do backtrace? https://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html#kerneldebug-obtain and https://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-gdb.html If not, I'll make some debug patch. It's weird, even though GIC is potentially affected by my patch, in this case the cpuid numbering was not changed. Thanks, Michal