Quoting Mark Morgan Lloyd <markMLl.debian-sparc@telemetry.co.uk>:
BERTRAND Joël wrote:2.4 kernels (after 2.4.21) are not stable on sparc32-smp. On all sun4m-smp I have tested, they randomly hang with "watchdog reset".2.4.27 reliable here on an SS20 with 2x80MHz processors, but not with Ross modules.
Same here with 2x75. But X11 keyboard's config is all messed up. 2.6 doesn't even boot. Thomas.