From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (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 2C021558B8; Thu, 30 May 2024 14:28:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=150.107.74.76 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717079307; cv=none; b=ZoVrDsBl0gcFYlXCZOp09nUCA8edR2krUCg4cZwiQhTKIyqv65xIRLAtTDkhvyKHem7nqDGXh0ciVUq8S1z0kH8OoYwEkJ68FwSfPaGcKTI8WWOU5TwRNJxpPau3JU4NXe0I1g4S3XDdgOFTG6Irhd7DpclAJjtXLYpM2X3cVnc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717079307; c=relaxed/simple; bh=TepJdMu5Kgqt4hFWQ/knF8KsMyDM2pCe5l3NAhbAlr0=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=rcJRKpULeaPItAlhIfJQzkbMadeOVDNIXP32MeJ2FKNZYCeYPHobWpaG/+BM7cSp4CgLdV77TUOI4OQ+wTwZ/K14mGPUkaxFIaIkZtcgOpMrf1Qhgje4twQkeYAJ+XEQDqLPF265mqqoykvv9JSgy4g8JK+2rYaSLXJO0Mz2nyo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au; spf=pass smtp.mailfrom=ellerman.id.au; dkim=pass (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b=Gq9AAZ2u; arc=none smtp.client-ip=150.107.74.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ellerman.id.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b="Gq9AAZ2u" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1717079303; bh=TepJdMu5Kgqt4hFWQ/knF8KsMyDM2pCe5l3NAhbAlr0=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=Gq9AAZ2u93VW1D0x6Na4RcZUHk90fmGkZEWk8KeWCfGT4bL493v8+w0tcTJ9hsRkM 4XDO0HcsykkcEpCJdlsHn8IcqCapHKhg3S8aluPMzfsmu2wtre70g04ccbHxsqlKfx C4cqvFpr/umZfy9AnM6SmI/NdUQ+q8oLGNvbALKhHqY83jJI6xkA2LwnPuh21keJ22 LlU1LoJ0GcAzcYfDUhR1TB49I6xrk3V6xFU+rqyCAF4HK6bTrCm3nUrys+1upui+ze mXbO3gkQecvwBuSOjmSecncOMEgipu1oC1HgQkrjIy0dSNoyFcs2Z4Z6PLRsNJOq6u x12ptIkbo4bhw== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (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) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4VqpWp35Nwz4wcC; Fri, 31 May 2024 00:28:22 +1000 (AEST) From: Michael Ellerman To: "Linux regression tracking (Thorsten Leemhuis)" Cc: John Garry , Jens Axboe , "Martin K. Petersen" , Damien Le Moal , Niklas Cassel , linux-block@vger.kernel.org, linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org, benh@kernel.crashing.org, linuxppc-dev@lists.ozlabs.org, Guenter Roeck , Christoph Hellwig , Linux kernel regressions list Subject: Re: [PATCH 04/23] scsi: initialize scsi midlayer limits before allocating the queue In-Reply-To: <8734pz4gdh.fsf@mail.lhotse> References: <20240520151536.GA32532@lst.de> <8734pz4gdh.fsf@mail.lhotse> Date: Fri, 31 May 2024 00:28:21 +1000 Message-ID: <87wmnb2x2y.fsf@mail.lhotse> Precedence: bulk X-Mailing-List: linux-ide@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Michael Ellerman writes: > "Linux regression tracking (Thorsten Leemhuis)" writes: >> [CCing the regression list, as it should be in the loop for regressions: >> https://docs.kernel.org/admin-guide/reporting-regressions.html] >> >> On 20.05.24 17:15, Christoph Hellwig wrote: >>> Adding ben and the linuxppc list. >> >> Hmm, no reply and no other progress to get this resolved afaics. So lets >> bring Michael into the mix, he might be able to help out. > > Sorry I didn't see the original forward for some reason. > > I haven't seen this on my G5, but it's hard drive is on SATA. I think > the CDROM is pata_macio, but there isn't a disk in the drive to test > with. > >> BTW TWIMC: a PowerMac G5 user user reported similar symptoms here >> recently: https://bugzilla.kernel.org/show_bug.cgi?id=218858 > > AFAICS that report is from a 4K page size kernel (Page orders: ... > virtual = 12), so there must be something else going on? No that's wrong. The actual hardware page size is 4K, but CONFIG_PAGE_SIZE and PAGE_SHIFT etc. is 64K. So at least for this user the driver used to work with 64K pages, and now doesn't. cheers