Hi, [expanding cc list] On Sat, Dec 07, 2019 at 11:04:20PM +0530, Jeffrin Jose wrote: > i got the following output related from typical dmesg output from 5.4.1 kernel Was this during boot or during some other operation? > ================================================ > WARNING: lock held when returning to user space! > 5.4.1 #16 Tainted: G E > ------------------------------------------------ > tpm2-abrmd/691 is leaving the kernel with locks still held! > 2 locks held by tpm2-abrmd/691: > #0: ffff8881ee784ba8 (&chip->ops_sem){.+.+}, at: tpm_try_get_ops+0x2b/0xc0 [tpm] > #1: ffff8881ee784d88 (&chip->tpm_mutex){+.+.}, at: tpm_try_get_ops+0x57/0xc0 [tpm] Can you reproduce this failure on v5.5-rc1? Thanks, Will