On Mon, May 30, 2022 at 8:56 PM Dave Chinner <david@xxxxxxxxxxxxx> wrote: > > On Mon, May 30, 2022 at 06:27:29PM -0400, Stephen E. Baker wrote: > > I don't have any output to provide unfortunately. It fails before the > > backlight turns on, and nothing is written to disk. I seem to remember > > that someone else at Collabora had figured out a way to get a serial > > console on this device - perhaps Tomeu. I'm not equipped for that > > personally, particularly if it involves soldering. > > https://www.kernel.org/doc/html/latest/networking/netconsole.html > Thanks for the tip, it seems my usb ethernet card comes up a little too late for netconsole; but if there was any way to adjust the boot order it would work well. Alternatively, any other method of exporting printk messages. [ 4.803080] netpoll: netconsole: local port 6665 [ 4.808242] netpoll: netconsole: local IPv4 address 0.0.0.0 [ 4.814476] netpoll: netconsole: interface 'eth0' [ 4.819728] netpoll: netconsole: remote port 6666 [ 4.824988] netpoll: netconsole: remote IPv4 address 192.168.1.42 [ 4.831794] netpoll: netconsole: remote ethernet address 00:30:67:53:8f:79 [ 4.839593] netpoll: netconsole: eth0 doesn't exist, aborting [ 4.846023] netconsole: cleaning up ... [ 6.528582] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 6.536623] sd 0:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/466 GiB) [ 6.546386] sd 0:0:0:0: [sda] Write Protect is off [ 6.551754] sd 0:0:0:0: [sda] Mode Sense: 37 00 00 08 [ 6.554465] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 6.566947] sd 0:0:0:0: [sda] Optimal transfer size 33553920 bytes [ 6.632458] sda: sda1 sda2 [ 6.708529] sd 0:0:0:0: [sda] Attached SCSI disk [ 6.724058] EXT4-fs (sda2): Using encoding defined by superblock: utf8-12.1.0 with flags 0x0 [ 6.733988] EXT4-fs (sda2): Using encoding defined by superblock: utf8-12.1.0 with flags 0x0 [ 6.743851] EXT4-fs (sda2): Using encoding defined by superblock: utf8-12.1.0 with flags 0x0 [ 6.800054] EXT4-fs (sda2): recovery complete [ 6.804967] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none. [ 6.815428] VFS: Mounted root (ext4 filesystem) on device 8:2. ... [ 7.045492] usb 8-1.4.1: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 7.055094] usb 8-1.4.1: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 7.063475] usb 8-1.4.1: Product: USB 10/100/1000 LAN [ 7.069193] usb 8-1.4.1: Manufacturer: Realtek [ 7.074266] usb 8-1.4.1: SerialNumber: 001000001 ... [ 7.499107] r8152 8-1.4.1:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 7.553995] r8152 8-1.4.1:1.0 eth0: v1.12.11