On Fri, Jan 08, 2021 at 01:35:27PM +1300, Barry Song wrote: > While debugging other issues, I enabled mk712 then I got the below crash > during arm64 linux boot: > [ 1.150412] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) > [ 1.150541] pc : logic_outb+0x3c/0xa8 > [ 1.150657] lr : mk712_init+0x74/0x1ec > [ 1.150745] sp : ffff800011efbd40 > [ 1.150950] x29: ffff800011efbd40 x28: 0000000000000000 > [ 1.151098] x27: ffff800011681078 x26: ffff8000115d04b8 > [ 1.151192] x25: ffff8000116ff6b4 x24: ffff8000115bac10 > [ 1.151287] x23: ffff800011dfa000 x22: ffff800011b8dbe0 > [ 1.151421] x21: ffff800011eac000 x20: 0000000000000000 > [ 1.151527] x19: fffffbfffe800266 x18: 0000000000000000 > [ 1.151674] x17: ffff800010a7bc38 x16: ffff800010a7b0e0 > [ 1.151944] x15: 0000a0d665e7ee58 x14: 000000000000011a > [ 1.152060] x13: 0000000000000001 x12: 0000000000000000 > [ 1.152149] x11: 0000000000000000 x10: 0000000000000a60 > [ 1.152291] x9 : 0000000000000000 x8 : ffff0000c0a2a480 > [ 1.152429] x7 : 0000000000000000 x6 : ffff0000c0b0c9b8 > [ 1.152522] x5 : 0000000000001000 x4 : ffff0000c03613b0 > [ 1.152614] x3 : 0000000000000267 x2 : 0000000000000260 > [ 1.152731] x1 : fffffbfffe800000 x0 : 0000000000ffbffe > [ 1.153135] Call trace: > [ 1.153342] logic_outb+0x3c/0xa8 > [ 1.153434] mk712_init+0x74/0x1ec > [ 1.153571] do_one_initcall+0x54/0x1b8 > [ 1.153705] kernel_init_freeable+0x1d0/0x238 > [ 1.153860] kernel_init+0x14/0x118 > [ 1.153960] ret_from_fork+0x10/0x30 > [ 1.154304] Code: d2bfd001 f2df7fe1 f2ffffe1 8b010273 (39000274) > [ 1.155013] ---[ end trace f9b157c311d20edd ]--- > [ 1.155854] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b > [ 1.156236] SMP: stopping secondary CPUs > > The driver is very old and resources are totally hardcoded, no bus model. > It seems the simplest way to fix this issue is disabling it by parameter. > If someone really needs the old driver, it should enable the parameter > by cmdline. I wonder if we are not better off simply removing the driver. I doubt there are any "Gateway AOL Connected Touchpad computers left, especially ones that run 5.x kernels. Thanks. -- Dmitry
