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[46.138.41.28]) by smtp.googlemail.com with ESMTPSA id z13sm1833844ljk.70.2021.10.25.15.11.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 25 Oct 2021 15:11:08 -0700 (PDT) Subject: Re: linux-next: Tree for Oct 25 To: Stephen Rothwell , Linux Next Mailing List , Ulf Hansson , Adrian Hunter , Jens Axboe Cc: Linux Kernel Mailing List , linux-mmc , linux-block References: <20211025204921.73cb3011@canb.auug.org.au> From: Dmitry Osipenko Message-ID: <82bbf33e-918f-da01-95e6-9b2cc1b8b610@gmail.com> Date: Tue, 26 Oct 2021 01:11:07 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <20211025204921.73cb3011@canb.auug.org.au> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hello, Recent -next has this new warning splat coming from MMC, please take a look. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 525 at kernel/sched/core.c:9477 __might_sleep+0x65/0x68 do not call blocking ops when !TASK_RUNNING; state=2 set at [<4316eb02>] prepare_to_wait+0x2e/0xb8 Modules linked in: CPU: 0 PID: 525 Comm: Xorg Tainted: G W 5.15.0-rc6-next-20211025-00226-g89ccd6948ec3 #5 Hardware name: NVIDIA Tegra SoC (Flattened Device Tree) (unwind_backtrace) from [] (show_stack+0x11/0x14) (show_stack) from [] (dump_stack_lvl+0x2b/0x34) (dump_stack_lvl) from [] (__warn+0xa1/0xe8) (__warn) from [] (warn_slowpath_fmt+0x65/0x7c) (warn_slowpath_fmt) from [] (__might_sleep+0x65/0x68) (__might_sleep) from [] (mmc_blk_rw_wait+0x2f/0x118) (mmc_blk_rw_wait) from [] (mmc_blk_mq_issue_rq+0x219/0x71c) (mmc_blk_mq_issue_rq) from [] (mmc_mq_queue_rq+0xf9/0x200) (mmc_mq_queue_rq) from [] (__blk_mq_try_issue_directly+0xcb/0x100) (__blk_mq_try_issue_directly) from [] (blk_mq_request_issue_directly+0x2d/0x48) (blk_mq_request_issue_directly) from [] (blk_mq_flush_plug_list+0x14f/0x1f4) (blk_mq_flush_plug_list) from [] (blk_flush_plug+0x83/0xb8) (blk_flush_plug) from [] (io_schedule+0x2b/0x3c) (io_schedule) from [] (bit_wait_io+0xf/0x48) (bit_wait_io) from [] (__wait_on_bit+0x3f/0x88) (__wait_on_bit) from [] (out_of_line_wait_on_bit+0x57/0x68) (out_of_line_wait_on_bit) from [] (ext4_read_bh+0xb1/0xb4) (ext4_read_bh) from [] (__read_extent_tree_block+0xa7/0x134) (__read_extent_tree_block) from [] (ext4_find_extent+0x13b/0x2fc) (ext4_find_extent) from [] (ext4_ext_map_blocks+0x4d/0x1160) (ext4_ext_map_blocks) from [] (ext4_map_blocks+0x1bf/0x428) (ext4_map_blocks) from [] (ext4_mpage_readpages+0x399/0x660) (ext4_mpage_readpages) from [] (read_pages+0x51/0x18c) (read_pages) from [] (page_cache_ra_unbounded+0xe1/0x174) (page_cache_ra_unbounded) from [] (filemap_get_pages+0xc5/0x524) (filemap_get_pages) from [] (filemap_read+0xdf/0x2fc) (filemap_read) from [] (vfs_read+0x151/0x23c) (vfs_read) from [] (ksys_read+0x47/0x98) (ksys_read) from [] (ret_fast_syscall+0x1/0x16) Exception stack(0xc593ffa8 to 0xc593fff0)