From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA8CAC433FE for ; Tue, 15 Nov 2022 07:28:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232058AbiKOH2r (ORCPT ); Tue, 15 Nov 2022 02:28:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232114AbiKOH2n (ORCPT ); Tue, 15 Nov 2022 02:28:43 -0500 Received: from mx1.wiredblade.com (mx1.wiredblade.com [162.216.242.36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3C7D190 for ; Mon, 14 Nov 2022 23:28:40 -0800 (PST) dkim-signature: v=1; a=rsa-sha256; d=psihoexpert.ro; s=dynu; c=relaxed/relaxed; q=dns/txt; h=From:Subject:Date:Message-ID:To:CC:MIME-Version:Content-Type:Content-Transfer-Encoding:In-Reply-To:References; bh=n5UClgSx+1p3hPU7wyb8rN+fZWCwtZXhv1goqxjg5DU=; b=OulRrJO2QQ/Ki8PBBaTuj2OQ1SOXzIVf/x8C6ROwTdIlILQSFcbaWff+Qv+e2d6sntCwj3ozQEI2XC0fQXzp36WW7V+L3cHEW645eYSW8prhNjdFVpHnuQRJbHAyXR50avNnDiSkFNdyn1i7Ca7zVuFbacVFmcWqS56S7HoMb8i/jQxo6cenK9CSEUMtx3pwBtZCgIUp3ccYhw47vWBdulummA19H2JdDSBYfj0VMrg21EOd2w/H3EmwU+ v+MwirLl6CHAcxBVRQeR06YGgljawVfcDSIhVsYmPcM14xssz0yzBtWf0eeDjUha4Go3uAfP6KBYhWg0QTh66wTDR4sQ== Received: from webmail.dynu.com (webmail.dynu.com [162.216.242.204]) by mx1.wiredblade.com with ESMTPA ; Tue, 15 Nov 2022 07:28:38 +0000 MIME-Version: 1.0 Date: Tue, 15 Nov 2022 07:28:38 +0000 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mailer: RainLoop/1.16.0 From: marius@psihoexpert.ro Message-ID: <97af1ef9ed605800e6ad43b7b3518800@psihoexpert.ro> Subject: Re: Bug report for ahci-mvebu driver To: "Damien Le Moal" Cc: linux-ide@vger.kernel.org In-Reply-To: <125bd8a6-7a1c-cd08-b5ee-da5a24f79f21@opensource.wdc.com> References: <125bd8a6-7a1c-cd08-b5ee-da5a24f79f21@opensource.wdc.com> <0ba8ebf7-6e6c-e63d-32c4-44d97898be1d@opensource.wdc.com> <126ce7f2-3de2-9e75-7920-09d78c224d76@opensource.wdc.com> <3c94c10243fa1cd2b0128db846298a11@psihoexpert.ro> <13f7138c46c4c486a29322baa4cc414b@psihoexpert.ro> <40f4ae2000164863253c67d405e4f875@psihoexpert.ro> <29aff79be06b7dacb97c13cbff07fabb@psihoexpert.ro> X-Originating-IP: 86.122.18.201 Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org November 15, 2022 5:02 AM, "Damien Le Moal" wrote: > So something is going on at the hardware level here. The register value= is > not stable... You could try playing with the sleep interval (unsigned l= ong > interval =3D params[0];) and duration (unsigned long duration =3D param= s[1];) > to see if anything changes. Especially try reducing and increasing inte= rval. > -- > Damien Le Moal > Western Digital Research What are the defaults? Are these defaults the same for all sata/ahci cont= rollers? How much can I increase them? Will anything break? What could be the cause of this? sata cable? Power source? BTW, while doing the testing, I saw the same error with the laptop HDD. I= disconnected the cable and then reconnected it, and the second time it w= as detected OK. Unfortunately, I wasn't capturing serial messages and I c= ouldn't make it happen again. Marius Dinu