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t=1555047021; s=strato-dkim-0002; d=mathtm.de; h=In-Reply-To:Date:Message-ID:References:Cc:To:From:Subject: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=XfSW6xM0DEbY9q2haAN5VpOI/HUfZf9Wu++OT5UX1rk=; b=knYD2GGnb/4+ciEdpgDKYwWKKYEvCGeXAqiWB66pVxAWTogJMgF+wrVvV1//ElwVxx HciQ9EQJ/W02vFOAjSSC+LncIDvXXvbcEGU76KbGgcJwyQOwXBmOkS8b9CbNyGxlCy3+ fNAC13l+QbDR5SHh62XjbHH3rKw54j0QNIjNBomH5aQUVCf8LfOixdbJsQ8nkvASRLkV 5wL3+n6UBcD0Hd6WlVNsZ9Ck3LDSNk57Bik9NyXBtsFqhThihNgscn/BxhJcu9jqOXcA gXj6afjK4vAJCG/5WMqVrKOPu7DgsTR4kGzT30dbr8MK6zxucEn++q1J+/trSZGNdk+w vIqA== X-RZG-AUTH: ":OGQLeEG7W/KAXU7xLV2hdHgxFRdqbfEqQfblTbv8grSYpDW1Ean4C8uHphsoybv57wto" X-RZG-CLASS-ID: mo00 Received: from [10.9.21.31] by smtp.strato.de (RZmta 44.18 AUTH) with ESMTPSA id 30ab22v3C5UGGUi (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Fri, 12 Apr 2019 07:30:16 +0200 (CEST) Subject: Re: disabling secondary CPU hangs / system fails to suspend with kernel 4.19+ From: =?UTF-8?Q?Thomas_M=c3=bcller?= To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org References: <5c48095e-028a-404f-aaa1-964f83c83817@mathtm.de> <20190315090950.GT5996@hirez.programming.kicks-ass.net> <20190315121541.GD6058@hirez.programming.kicks-ass.net> <2b1c85d3-d94b-1593-e30a-a32d97043579@mathtm.de> <20190318115728.GP6058@hirez.programming.kicks-ass.net> Openpgp: preference=signencrypt Autocrypt: addr=thomas@mathtm.de; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: de-DE Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, good news: starting with 5.0.6 suspend is working again. Best regards Thomas Am 29.03.19 um 10:22 schrieb Thomas Müller: > Hi, > > Am 18.03.19 um 12:57 schrieb Peter Zijlstra: >> On Fri, Mar 15, 2019 at 09:21:02PM +0100, Thomas Müller wrote: >>> I've just re-tested with runlevel 3. >>> Not a real VGA console, but at least no Wayland or Gnome to interfere... >>> >>> `echo 0 > /sys/...` just blocks and no message whatsoever is visible in dmesg. >>> >>> I've executed `echo 0 > ...` in the background to keep my console functional and I can e.g. echo >>> something to /dev/kmsg and it shows up, so reading/updating the log buffer appears to be working >>> just fine. >> >> Damn.. Thanks for trying. I'll see if I can come up with something, but >> I'm out of idea for now :/ >> > Any new ideas so far? > > For reference: > I've just tested a vanilla 5.0.5 with localmodconfig (attached)... same behavior :( > > > Best regards > Thomas >