Ewan, > Large queues of I/O to offline devices that are eventually submitted > when devices are unblocked result in a many repeated "rejecting I/O to > offline device" messages. These messages can fill up the dmesg buffer > in crash dumps so no useful prior messages remain. In addition, if a > serial console is used, the flood of messages can cause a hard lockup > in the console code. > > Introduce a flag indicating the message has already been logged for > the device, and reset the flag when scsi_device_set_state() changes > the device state. Applied to 5.7/scsi-queue, thanks! -- Martin K. Petersen Oracle Linux Engineering
