Hi Riccardo! On Mon, 2023-07-31 at 12:21 +0200, Riccardo Mottola wrote: > I have a Fire T2000 which has been stable for my usage for months. > Now I upgraded kernel (and userland) in debian to: > > Yesterday, when hooking up a serial console, i was getting asked for > root password and dropped into maintenance mode. > Today I hooked up better through a console with minicom to be able to > copy the error, but I get these errors again and again: > > > [ 17.134833] OOPS: RPC [000000000042ce10] > [ 17.134843] OOPS: RPC <arch_cpu_idle+0x70/0xc0> > [ 17.134875] OOPS: Fault was to vaddr[bc0] > [ 17.134885] CPU: 25 PID: 0 Comm: swapper/25 Tainted: G D > 6.4.0-1-sparc64-smp #1 Debian 6.4.4-2 > [ 17.134908] Call Trace: > [ 17.134915] [<0000000000de9614>] dump_stack+0x8/0x18 > [ 17.134948] [<0000000000df547c>] do_sparc64_fault+0x4bc/0xb00 > [ 17.134979] [<0000000000407714>] sparc64_realfault_common+0x10/0x20 > [ 17.135017] [<0000000000000bc0>] 0xbc0 > [ 17.135034] [<0000000000dea050>] default_idle_call+0x30/0x120 > [ 17.135067] [<00000000004c32f8>] do_idle+0xd8/0x1a0 > [ 17.135095] [<00000000004c3684>] cpu_startup_entry+0x24/0x40 > [ 17.135123] [<0000000000440f28>] smp_callin+0xe8/0x120 > [ 17.135145] [<00000000010d8c14>] 0x10d8c14 > [ 17.135162] [<0000000000000000>] 0x0 > [ 17.135179] Unable to handle kernel NULL pointer dereference > [ 17.135187] tsk->{mm,active_mm}->context = 0000000000000041 > [ 17.135197] tsk->{mm,active_mm}->pgd = ffff800017270000 > [ 17.135207] \|/ ____ \|/ > [ 17.135207] "@'/ .. \`@" > [ 17.135207] /_| \__/ |_\ > [ 17.135207] \__U_/ > [ 17.135216] swapper/25(0): Oops [#49] > [ 17.135230] CPU: 25 PID: 0 Comm: swapper/25 Tainted: G D > 6.4.0-1-sparc64-smp #1 Debian 6.4.4-2 > [ 17.135253] TSTATE: 0000004411001605 > > > so something worsened! darn! this looks as back when all kernels failed > to boot on the Niagara. > I set up minicom to log to a file and see see if I can catch something > before the crashes.
Kernel regressions should be reported to the sparclinux kernel mailing list [1]. Also, a bisect would be helpful to determine which commit broke the kernel. Thanks, Adrian > [1] http://vger.kernel.org/vger-lists.html#sparclinux -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913