On Thursday 18 October 2018 20:58:57 Jens Axboe wrote: > 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? > No, it's not there. -- Ondrej Zary