From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6AA87221F1A for ; Mon, 6 Oct 2025 17:37:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759772252; cv=none; b=UJdW+q/4jsjKCugSYQ5/FCZtt73POg9RdCqxjbrf3fHk376Ddv0b8+ur85hWoWGWVYsqe6P6rZ4FrD+fiS2Aglzbdt9rkzRds7Eu5QKUB+T5LJvo/e7vNxydv2dPDM+0Olhnqyvr36KGJ+CBJjdScqvwr2Nt9fwFhof5ehVhyC8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759772252; c=relaxed/simple; bh=ncz8RhYscOCngkqyOgAbgdOtYQZsXrm3AqpBi677JSw=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=oAp1P+sf9t0DRE8tYtFTMgU1X/MXakKMeW3+lkPQLl5KTHU6y6HEQOfB+ktPrZ4jourlb9rEweKWoz0O7hkWByTasWT/qKKJpIctaHPD06kxRWhHuufHyGH6KD6VBJq6/Vx7XW+YrKMSbHbDyT0kcDTVw5J+/w2ZNo4PigMAk5k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=G4RTes0k; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="G4RTes0k" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B1E9FC4CEF5; Mon, 6 Oct 2025 17:37:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759772252; bh=ncz8RhYscOCngkqyOgAbgdOtYQZsXrm3AqpBi677JSw=; h=Date:Subject:From:To:Cc:References:In-Reply-To:From; b=G4RTes0kMLAX7NxW+WzbstsJCu7zfFQFqmtRzSjw9wL3C02mqm2vVURUUuuQBapmv 3GS28DOc1Gpsi5nuteGTXOnG5p3l8II/su1hGQrLXKWH3edSecoOfoxk/+BVPApXZO qTXqfoNnDKTIzdBWRthlUFgr6TUAuw+9wj6KAhTnxH26GwpiC3up5B0lF8kgJqjfiu nmXSkVO5OTxdSxBe8MSnCQlELgLQF7YR07u/BX/DTJJOcDBfHtoj4jOUmWUff8C0Gc 1/bMWThGHR1PESa8MYkwNO+KR0ECsPwYpjUTdc19Czrp9/l2ErE56QXWNpUFky8O/h bbeSbHWqvQ/Dw== Message-ID: <7bf4b055-d751-4a84-bfd0-a7df78c2a6d8@kernel.org> Date: Mon, 6 Oct 2025 12:37:30 -0500 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: LR compute WA From: "Mario Limonciello (AMD) (kernel.org)" To: Greg KH Cc: stable@vger.kernel.org References: <3c147f99-0911-420b-812b-a41a26b4a723@kernel.org> <2025100627-landfill-helium-d99a@gregkh> Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 10/6/2025 8:56 AM, Mario Limonciello (AMD) (kernel.org) wrote: > > > On 10/6/2025 5:04 AM, Greg KH wrote: >> On Sat, Oct 04, 2025 at 01:41:29PM -0500, Mario Limonciello (AMD) >> (kernel.org) wrote: >>> Hi, >>> >>> We have some reports of long compute jobs on APUs hanging the system. >>> This >>> has been root caused and a workaround has been introduced in the >>> mainline >>> kernel.  I didn't CC stable on the original W/A because I wanted to make >>> sure we've had enough time to test it didn't have unintended side >>> effects. >>> >>> I feel comfortable with the testing at this point and I think it's worth >>> bringing back to any stable kernels it will apply to 6.12.y and >>> newer. The >>> commit is: >>> >>> 1fb710793ce2619223adffaf981b1ff13cd48f17 >> >> It did not apply to 6.12.y, so if you want it there, can you provide a >> working backport? >> >> thanks, >> >> greg k-h > > Thanks, I see 6.16 and 6.17 had no problem.  I'll find the contextually > missing patches and send out 6.12.y separately. OK - here's the 3 patches needed for 6.12.y to cleanly cherry-pick: ce4971388c79d36b3f50f607c3278dbfae6c789b 1c687c0da9efb7c627793483a8927554764e7a55 15d8c92f107c17c2e585cb4888c67873538f9722 Thanks!