From: John Paul Adrian Glaubitz <glaubitz@xxxxxxxxxxxxxxxxxxx> Date: Tue, 11 Jun 2019 17:38:37 +0200 > In d5a2aa24, the name in struct console sunhv_console was changed from "ttyS" > to "ttyHV" while the name in struct uart_ops sunhv_pops remained unchanged. > > This results in the hypervisor console device to be listed as "ttyHV0" under > /proc/consoles while the device node is still named "ttyS0": > > root@osaka:~# cat /proc/consoles > ttyHV0 -W- (EC p ) 4:64 > tty0 -WU (E ) 4:1 > root@osaka:~# readlink /sys/dev/char/4:64 > ../../devices/root/f02836f0/f0285690/tty/ttyS0 > root@osaka:~# > > This means that any userland code which tries to determine the name of the > device file of the hypervisor console device can not rely on the information > provided by /proc/consoles. In particular, booting current versions of debian- > installer inside a SPARC LDOM will fail with the installer unable to determine > the console device. > > After renaming the device in struct uart_ops sunhv_pops to "ttyHV" as well, > the inconsistency is fixed and it is possible again to determine the name > of the device file of the hypervisor console device by reading the contents > of /proc/console: > > root@osaka:~# cat /proc/consoles > ttyHV0 -W- (EC p ) 4:64 > tty0 -WU (E ) 4:1 > root@osaka:~# readlink /sys/dev/char/4:64 > ../../devices/root/f02836f0/f0285690/tty/ttyHV0 > root@osaka:~# > > With this change, debian-installer works correctly when installing inside > a SPARC LDOM. > > Signed-off-by: John Paul Adrian Glaubitz <glaubitz@xxxxxxxxxxxxxxxxxxx> Applied and queued up for -stable, thanks.
