Hi Arnd, First bad commit (maybe != root cause): tree: https://github.com/AsahiLinux/linux nvme/dev head: 69142df77238252d5ab52d940bcff054c4dcd551 commit: bdb3ab66d08f3e95705b1e4403be6d9d9740a78e [8/9] nvme: add platform driver registration config: riscv-randconfig-r011-20210608 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d32cc150feb72f315a5bbd34f92e7beca21a50da) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/AsahiLinux/linux/commit/bdb3ab66d08f3e95705b1e4403be6d... git remote add asahilinux https://github.com/AsahiLinux/linux git fetch --no-tags asahilinux nvme/dev git checkout bdb3ab66d08f3e95705b1e4403be6d9d9740a78e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): vim +1440 drivers/nvme/host/pci.c 4a80db096ae7aa drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1433 4a80db096ae7aa drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1434 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1435 /** 4a80db096ae7aa drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1436 * nvme_pci_suspend_queue - put queue into suspended state 40581d1a91a152 drivers/nvme/host/pci.c Bart Van Assche 2018-10-08 1437 * @nvmeq: queue to suspend 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1438 */ 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1439 static int nvme_suspend_queue(struct nvme_queue *nvmeq) b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 @1440 { 4e224106673f1e drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1441 if (!test_and_clear_bit(NVMEQ_ENABLED, &nvmeq->flags)) 2b25d981790b83 drivers/block/nvme-core.c Keith Busch 2014-12-22 1442 return 1; a09115b23e2002 drivers/block/nvme.c Matthew Wilcox 2012-08-07 1443 4e224106673f1e drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1444 /* ensure that nvme_queue_rq() sees NVMEQ_ENABLED cleared */ d1f06f4ae0410f drivers/nvme/host/pci.c Jens Axboe 2018-05-17 1445 mb(); a09115b23e2002 drivers/block/nvme.c Matthew Wilcox 2012-08-07 1446 4e224106673f1e drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1447 nvmeq->dev->online_queues--; 1c63dc66580d4b drivers/nvme/host/pci.c Christoph Hellwig 2015-11-26 1448 if (!nvmeq->qid && nvmeq->dev->ctrl.admin_q) c81545f991a661 drivers/nvme/host/pci.c Sagi Grimberg 2017-07-02 1449 blk_mq_quiesce_queue(nvmeq->dev->ctrl.admin_q); 7c349dde26b75d drivers/nvme/host/pci.c Keith Busch 2019-03-08 1450 if (!test_and_clear_bit(NVMEQ_POLLED, &nvmeq->flags)) 4a80db096ae7aa drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1451 nvme_queue_free_irq(nvmeq); 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1452 return 0; b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1453 } b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1454 :::::: The code at line 1440 was first introduced by commit :::::: b60503ba432b16fc84442a84e29a7aad2c0c363d NVMe: New driver :::::: TO: Matthew Wilcox <matthew.r.wilcox(a)intel.com&gt; :::::: CC: Matthew Wilcox <matthew.r.wilcox(a)intel.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org