On Mon, Aug 19, 2019 at 04:29:35PM +0000, Mario.Limonciello@xxxxxxxx wrote: > I've run into a problem when using > a WD19TB that after unplugging it will cause the following to spew in dmesg: > > [ 2198.017003] ============================================ > [ 2198.017005] WARNING: possible recursive locking detected > [ 2198.017008] 5.3.0-rc5+ #75 Not tainted > [ 2198.017009] -------------------------------------------- > [ 2198.017012] irq/122-pciehp/121 is trying to acquire lock: > [ 2198.017015] 00000000801d4de8 (&ctrl->reset_lock){.+.+}, at: pciehp_check_presence+0x1b/0x80 > [ 2198.017026] > but task is already holding lock: > [ 2198.017028] 000000000899e2eb (&ctrl->reset_lock){.+.+}, at: pciehp_ist+0xaf/0x1c0 This was first reported by Theodore in April and appears to be a false positive: https://lore.kernel.org/linux-pci/20190402083257.kyqmirq4ovzscxsv@xxxxxxxxx/ Thanks, Lukas