From nobody Wed Jan 17 14:02:34 2024 X-Original-To: freebsd-stable@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4TFSHx6qK0z57tZt for ; Wed, 17 Jan 2024 14:02:37 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost1.sentex.ca (smarthost1.sentex.ca [IPv6:2607:f3e0:0:1::12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smarthost1.sentex.ca", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4TFSHx2RgZz3x66 for ; Wed, 17 Jan 2024 14:02:37 +0000 (UTC) (envelope-from mike@sentex.net) Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of mike@sentex.net designates 2607:f3e0:0:1::12 as permitted sender) smtp.mailfrom=mike@sentex.net Received: from pyroxene2a.sentex.ca (pyroxene19.sentex.ca [199.212.134.19]) by smarthost1.sentex.ca (8.17.1/8.16.1) with ESMTPS id 40HE2ZJB032142 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=FAIL) for ; Wed, 17 Jan 2024 09:02:35 -0500 (EST) (envelope-from mike@sentex.net) Received: from [IPV6:2607:f3e0:0:4:5990:6bf0:6d4f:deaf] ([IPv6:2607:f3e0:0:4:5990:6bf0:6d4f:deaf]) by pyroxene2a.sentex.ca (8.17.1/8.15.2) with ESMTPS id 40HE2YuS039862 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO) for ; Wed, 17 Jan 2024 09:02:34 -0500 (EST) (envelope-from mike@sentex.net) Message-ID: <92508ceb-437d-4be1-81ec-db85674dd46d@sentex.net> Date: Wed, 17 Jan 2024 09:02:34 -0500 List-Id: Production branch of FreeBSD source code List-Archive: https://lists.freebsd.org/archives/freebsd-stable List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: tracking down i386 mount issue between Aug 2023 and now-- RELENG_13 Content-Language: en-US From: mike tancsa To: FreeBSD-STABLE Mailing List References: <1c266591-11b0-4f75-addf-6a02469441a8@sentex.net> Autocrypt: addr=mike@sentex.net; keydata= xsBNBFywzOMBCACoNFpwi5MeyEREiCeHtbm6pZJI/HnO+wXdCAWtZkS49weOoVyUj5BEXRZP xflV2ib2hflX4nXqhenaNiia4iaZ9ft3I1ebd7GEbGnsWCvAnob5MvDZyStDAuRxPJK1ya/s +6rOvr+eQiXYNVvfBhrCfrtR/esSkitBGxhUkBjOti8QwzD71JVF5YaOjBAs7jZUKyLGj0kW yDg4jUndudWU7G2yc9GwpHJ9aRSUN8e/mWdIogK0v+QBHfv/dsI6zVB7YuxCC9Fx8WPwfhDH VZC4kdYCQWKXrm7yb4TiVdBh5kgvlO9q3js1yYdfR1x8mjK2bH2RSv4bV3zkNmsDCIxjABEB AAHNHW1pa2UgdGFuY3NhIDxtaWtlQHNlbnRleC5uZXQ+wsCOBBMBCAA4FiEEmuvCXT0aY6hs 4SbWeVOEFl5WrMgFAl+pQfkCGwMFCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQeVOEFl5W rMiN6ggAk3H5vk8QnbvGbb4sinxZt/wDetgk0AOR9NRmtTnPaW+sIJEfGBOz47Xih+f7uWJS j+uvc9Ewn2Z7n8z3ZHJlLAByLVLtcNXGoRIGJ27tevfOaNqgJHBPbFOcXCBBFTx4MYMM4iAZ cDT5vsBTSaM36JZFtHZBKkuFEItbA/N8ZQSHKdTYMIA7A3OCLGbJBqloQ8SlW4MkTzKX4u7R yefAYQ0h20x9IqC5Ju8IsYRFacVZconT16KS81IBceO42vXTN0VexbVF2rZIx3v/NT75r6Vw 0FlXVB1lXOHKydRA2NeleS4NEG2vWqy/9Boj0itMfNDlOhkrA/0DcCurMpnpbM7ATQRcsMzk AQgA1Dpo/xWS66MaOJLwA28sKNMwkEk1Yjs+okOXDOu1F+0qvgE8sVmrOOPvvWr4axtKRSG1 t2QUiZ/ZkW/x/+t0nrM39EANV1VncuQZ1ceIiwTJFqGZQ8kb0+BNkwuNVFHRgXm1qzAJweEt RdsCMohB+H7BL5LGCVG5JaU0lqFU9pFP40HxEbyzxjsZgSE8LwkI6wcu0BLv6K6cLm0EiHPO l5G8kgRi38PS7/6s3R8QDsEtbGsYy6O82k3zSLIjuDBwA9GRaeigGppTxzAHVjf5o9KKu4O7 gC2KKVHPegbXS+GK7DU0fjzX57H5bZ6komE5eY4p3oWT/CwVPSGfPs8jOwARAQABwsB2BBgB CAAgFiEEmuvCXT0aY6hs4SbWeVOEFl5WrMgFAl+pQfkCGwwACgkQeVOEFl5WrMiVqwf9GwU8 c6cylknZX8QwlsVudTC8xr/L17JA84wf03k3d4wxP7bqy5AYy7jboZMbgWXngAE/HPQU95NM aukysSnknzoIpC96XZJ0okLBXVS6Y0ylZQ+HrbIhMpuQPoDweoF5F9wKrsHRoDaUK1VR706X rwm4HUzh7Jk+auuMYfuCh0FVlFBEuiJWMLhg/5WCmcRfiuB6F59ZcUQrwLEZeNhF2XJV4KwB Tlg7HCWO/sy1foE5noaMyACjAtAQE9p5kGYaj+DuRhPdWUTsHNuqrhikzIZd2rrcMid+ktb0 NvtvswzMO059z1YGMtGSqQ4srCArju+XHIdTFdiIYbd7+jeehg== In-Reply-To: <1c266591-11b0-4f75-addf-6a02469441a8@sentex.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.84 on 64.7.153.18 X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.39 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; R_SPF_ALLOW(-0.20)[+ip6:2607:f3e0::/32]; MIME_GOOD(-0.10)[text/plain]; RCVD_IN_DNSWL_LOW(-0.10)[199.212.134.19:received]; XM_UA_NO_VERSION(0.01)[]; TO_DN_ALL(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; FREEFALL_USER(0.00)[mike]; ASN(0.00)[asn:11647, ipnet:2607:f3e0::/32, country:CA]; MIME_TRACE(0.00)[0:+]; MID_RHS_MATCH_FROM(0.00)[]; R_DKIM_NA(0.00)[]; MLMMJ_DEST(0.00)[freebsd-stable@freebsd.org]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; PREVIOUSLY_DELIVERED(0.00)[freebsd-stable@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DMARC_NA(0.00)[sentex.net]; RCVD_TLS_ALL(0.00)[] X-Rspamd-Queue-Id: 4TFSHx2RgZz3x66 On 1/16/2024 9:48 AM, mike tancsa wrote: > > I dont have truss on the box to attach to the process and ktrace > doesnt seem to show anything either.  Does this sort of hang ring a > bell for anyone ? Looking back at the git logs, a coarse search for > anything to do with mount, doesnt come up with much (2 below).   Also > since then a new version of clang so not quite where to start. > > Any guidance appreciated. Testing is difficult as the hang doesnt > always happen -- sometimes within a day, sometimes 5 days.  ssh is > usually borked as well as some processes.  I have a scaled down > telegraf agent collecting some basic stats, and the cpu is pegged at > 100%. These are single core devices so not sure what is pegging the > CPU.  RAM still shows some available so it doesnt seem to be memory > pressures. > > Another data point, in one of the test boxes I have running in the lab, on the serial console before it became unresponsive, I am seeing kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) kern.ipc.maxpipekva exceeded; see tuning(7) Beyond that printing out to the console, I cant do anything with the box as its not responsive.