From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: bioset changes in 4.18 broke aha1542 Date: Thu, 18 Oct 2018 12:58:57 -0600 Message-ID: References: <201810182034.51724.linux@rainbow-software.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <201810182034.51724.linux@rainbow-software.org> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Ondrej Zary , Kent Overstreet Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-scsi@vger.kernel.org On 10/18/18 12:34 PM, Ondrej Zary wrote: > Hello, > aha1542 works fine in 4.17 but crashes in 4.18. It's hard to bisect because > of many commits that don't compile. > # only skipped commits left to test > # possible first bad commit: [52190f8abe7f2bf2b4e5f9760cbcc1427ca2136b] fs: convert block_dev.c to bioset_init() > # possible first bad commit: [a47a28b74a5c7c27bf621276b85ad6c124651236] target: convert to bioset_init()/mempool_init() > # possible first bad commit: [6f1c819c219f7841079f0f43ab62727a55b0d849] dm: convert to bioset_init()/mempool_init() > # possible first bad commit: [afeee514ce7f4cab605beedd03be71ebaf0c5fc8] md: convert to bioset_init()/mempool_init() > # possible first bad commit: [d19936a26658a7a53edd5619d631ee2c2c3151a2] bcache: convert to bioset_init()/mempool_init() > # possible first bad commit: [b906bbb6997785d9ea0bd3f5585537afa6257c43] lightnvm: convert to bioset_init()/mempool_init() > > Testing manually, a47a28b74a5c7c27bf621276b85ad6c124651236 works. > 52190f8abe7f2bf2b4e5f9760cbcc1427ca2136b does not compile > 8ac9f7c1fd1d342e82ddf078425423b050652ba0 does not compile > e292d7bc63c8f2adb3dfda27910e805f1b6557f9 does not compile > dad08527525f9a8ac9c7f278864c65f94bc5e9b3 does not compile > 943cf9f3ca16133dbd00f9a4cbfea46512fcb0e8 works > .. > fedc3abe7bd2dcc4c80bcf3cff8708a3908d8219 works > 04c4950d5b373ba712d928592e05e73510785bca crashes It looks like the ISA bioset pool isn't being initialized. You should have messages like this in your dmesg: isa pool size: 16 pages (which you do), but also something on the bioset section. Do you have this one: pool size: 64 pages as well? -- Jens Axboe