Date: Tue, 27 May 2025 19:15:48 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: current@freebsd.org Subject: LOR dw_mmc_sim / Clock topology on MMCCAM Message-ID: <p46124qr-3490-0qn6-n97o-69q735n7613p@yvfgf.mnoonqbm.arg>
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Hi, this is on an MMCCAM kernel: lock order reversal: (sleepable after non-sleepable) 1st 0xffffa000015fa558 dw_mmc_sim (dw_mmc_sim, sleep mutex) @ /usr/src/sys/cam/cam_xpt.c:2679 2nd 0xffff000000dcc7b0 Clock topology lock (Clock topology lock, sx) @ /usr/src/sys/dev/clk/clk.c:1208 lock order dw_mmc_sim -> Clock topology lock attempted at: #0 0xffff0000005370c0 at witness_checkorder+0xad0 #1 0xffff0000004c8f44 at _sx_xlock+0x70 #2 0xffff000000151520 at clk_set_freq+0x50 #3 0xffff0000008a3398 at dwmmc_rockchip_update_ios+0x40 #4 0xffff000000205384 at dwmmc_set_tran_settings+0x28c #5 0xffff000000034bcc at mmc_cam_sim_default_action+0x140 #6 0xffff000000008428 at xpt_action_default+0x1c8 #7 0xffff000000036944 at sdda_start_init_task+0xe60 #8 0xffff000000529058 at taskqueue_run_locked+0x17c #9 0xffff000000529fdc at taskqueue_thread_loop+0xc0 #10 0xffff00000046e354 at fork_exit+0x78 #11 0xffff0000008301e8 at fork_trampoline+0x18 -- Bjoern A. Zeeb r15:7home | help
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