Disabling systemd appears to mitigate this issue. I was getting the panic most boots, now I haven't seen one in since switching back to sysvinit. On 17 August 2015 at 08:19, Graham Gower <graham.gower@xxxxxxxxx> wrote: > Thanks Helge, > > I am building 4.2-rc6, but I don't expect the handle_percpu_irq > problem to go away. > > -Graham > > On 17 August 2015 at 04:50, Helge Deller <deller@xxxxxx> wrote: >> Hi Graham, >> >> On 16.08.2015 12:39, Graham Gower wrote: >>>> >>>> I'm seeing the panic below on a c8000. It happens sometimes when booting, >>>> just >>>> before the login prompt is to appear. I've seen it with older kernels >>>> too, going >>>> back to at least 3.19. >> >> >> I have never seen such problems on the c8000... >> >>>> [62.596000 <tel:62596000>] CPU: 0 PID: 444 Comm: (agetty) Not tainted >>>> 4.1.0-1-parisc64-smp #1 Debian 4.1.3-1 >> >> >> Do not use that kernel version, since it is missing at least this important >> patch: >> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c4ac9a48ac512c6b5a6cca06cfad2ad96e8caaa >> I'm seeing that the next debian kernel 4.1.5-1 (which should have this >> patch) is currently being built and should finish by tomorrow: >> http://buildd.debian-ports.org/status/package.php?p=linux&suite=sid >> >> Our C8000 debian buildd server is currently running this kernel since 23 >> days: >> 4.0.0-2-parisc64-smp #1 SMP Debian 4.0.8-2 (2015-07-23) parisc64 GNU/Linux >> Maybe you wait until tomorrow or try this kernel in the meantime ? >> >> Helge -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html