From nobody Sun Jun 12 08:02:03 2022 X-Original-To: freebsd-current@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 7886B850119 for ; Sun, 12 Jun 2022 08:02:17 +0000 (UTC) (envelope-from ish@amail.plala.or.jp) Received: from msc11.plala.or.jp (msc11.plala.or.jp [IPv6:2400:7800:0:502e::21]) by mx1.freebsd.org (Postfix) with ESMTP id 4LLRxg4jPVz4SYt for ; Sun, 12 Jun 2022 08:02:15 +0000 (UTC) (envelope-from ish@amail.plala.or.jp) Received: from localhost ([2400:4050:9320:7a00::8]) by msc11.plala.or.jp with ESMTP id <20220612080205.RJNH31769.msc11.plala.or.jp@localhost> for ; Sun, 12 Jun 2022 17:02:05 +0900 Date: Sun, 12 Jun 2022 17:02:03 +0900 (JST) Message-Id: <20220612.170203.1570364119618551543.ish@amail.plala.or.jp> To: freebsd-current@freebsd.org Subject: Re: dmesg: ACPI Warning: Firmware issue warning spaming From: Masachika ISHIZUKA In-Reply-To: References: X-Mailer: Mew version 6.8 on Emacs 28.1 List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-VirusScan: Outbound; mvir-ac11; Sun, 12 Jun 2022 17:02:05 +0900 X-Rspamd-Queue-Id: 4LLRxg4jPVz4SYt X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of ish@amail.plala.or.jp designates 2400:7800:0:502e::21 as permitted sender) smtp.mailfrom=ish@amail.plala.or.jp X-Spamd-Result: default: False [-1.39 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-0.998]; FROM_HAS_DN(0.00)[]; MV_CASE(0.50)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-1.00)[-0.999]; DMARC_NA(0.00)[plala.or.jp]; R_SPF_ALLOW(-0.20)[+ip6:2400:7800:0:502e::/60]; NEURAL_HAM_SHORT(-0.70)[-0.695]; MID_CONTAINS_FROM(1.00)[]; MLMMJ_DEST(0.00)[freebsd-current]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:4713, ipnet:2400:7800::/32, country:JP]; RCVD_COUNT_TWO(0.00)[2] X-ThisMailContainsUnwantedMimeParts: N > I'm running CURRENT 8d95f500521 and I'm receiving loads of dmesg warnings: > --- > ACPI Warning: Firmware issue: Excessive sleep time (0x0000000000000010 ms > > 10 ms) in ACPI Control Method (20220331/exsystem-347) > --- > Is there a way to silence it? Hi. I think these messages are only informational and make them easier to miss more important messages. My old machine's ACPI bios is worked at 20msec, so I did patch to /usr/src/sys/contrib/dev/acpica/components/executer/exsystem.c like below. % diff -ruN exsystem.c.orig exsystem.c --- exsystem.c.orig 2022-04-03 07:18:33.339997000 +0900 +++ exsystem.c 2022-04-26 19:13:06.814856000 +0900 @@ -342,10 +342,10 @@ * Warn users about excessive sleep times, so ASL code can be improved to * use polling or similar techniques. */ - if (HowLongMs > 10) + if (HowLongMs > 20) { ACPI_WARNING ((AE_INFO, - "Firmware issue: Excessive sleep time (0x%8.8X%8.8X ms > 10 ms)" + "Firmware issue: Excessive sleep time (0x%8.8X%8.8X ms > 20 ms)" " in ACPI Control Method", ACPI_FORMAT_UINT64 (HowLongMs))); } -- Masachika ISHIZUKA