On Fri, May 06, 2022 at 09:48:58PM +0100, James Dutton wrote: > On Fri, 6 May 2022 at 15:35, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > > > > > Hi Alan, > > > > > > Here are some log messages. I suspect the storage device is going into > > > some sort of sleep mode, and the kernel does not seem to be able to > > > wake it up again. > > > The device is a USB to NVME adapter. Using the chip: Realtek RTL9210 > > > The log is perfectly normal up until the 2nd line below onwards: > > ... > > > > That log isn't sufficient. > > > > It would be a big help if instead of sending your kernel log file, you send > > the output of the "dmesg" program. And don't send just the part > > starting where the problem begins; we need to see what happened before > > that as well. > > > > In addition, it would help if you enable USB debugging before the > > problem occurs: > > > > echo 'module usbcore =p' >/sys/kernel/debug/dynamic_debug/control > > > > Hi, > > I will try to get some more logs the next time it happens. > dmesg is not available. As the disk has essentially failed at that > point, nothing works (no keyboard input), so the only way I have got > any useful output has been with rsyslog over the network, and then > show the syslog output on that remote machine. You can try booting with a network console and increasing the log level (so that debug messages are sent to the console). Alan Stern
