* Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> [220223 09:11]: > * Catalin Marinas <catalin.marinas@xxxxxxx> [220223 06:37]: > > On Tue, Feb 22, 2022 at 06:54:38PM +0000, Liam Howlett wrote: > > > Once the maple tree is upstream, then you can take the patch I posted. > > > > BTW, on the maple tree branch alone > > (https://github.com/oracle/linux-uek.git maple/mainline), I get the > > warning below and no core file generated. It's not MTE related as it > > doesn't have my patches. > > > > [ 67.887638] WARNING: CPU: 1 PID: 528 at fs/coredump.c:1116 dump_vma_snapshot+0x98/0x18c > > [ 67.888594] Modules linked in: crct10dif_ce sm3_ce sm3_generic sha3_ce sha3_generic sha512_ce sha512_arm64 drm fuse ip_tables x_tables ipv6 > > [ 67.890017] CPU: 1 PID: 528 Comm: mte-coredump Not tainted 5.17.0-rc4-00071-gc8cf067d6a99 #1 > > [ 67.890494] Hardware name: QEMU QEMU Virtual Machine, BIOS 0.0.0 02/06/2015 > > [ 67.891054] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > > [ 67.891469] pc : dump_vma_snapshot+0x98/0x18c > > [ 67.891787] lr : dump_vma_snapshot+0x74/0x18c > > [ 67.892071] sp : ffff80000839b8f0 > > [ 67.892278] x29: ffff80000839b8f0 x28: ffffd4a81d76255c x27: 0000000000000000 > > [ 67.892894] x26: ffffd4a81da308e0 x25: 0000000000000000 x24: ffff80000839bc78 > > [ 67.893436] x23: ffff00000557cf00 x22: ffff00000557cf60 x21: ffff80000839b9e0 > > [ 67.893922] x20: ffff80000839b9e8 x19: ffff80000839b9dc x18: 0000000000000000 > > [ 67.894497] x17: 0000000000000000 x16: 0000ffff9e8effff x15: 0000000000000000 > > [ 67.895061] x14: 0000000000000000 x13: ffff0000025f9000 x12: ffff000001a2eb94 > > [ 67.895590] x11: ffff80000839b100 x10: ffff80000839b108 x9 : 0000000000000000 > > [ 67.896057] x8 : ffff80000839bb68 x7 : 0000000000000000 x6 : 0000000000896101 > > [ 67.896537] x5 : ffff0000016bf000 x4 : ffff80000839b8b0 x3 : 0000000000000001 > > [ 67.896961] x2 : 0000000000000000 x1 : 0000000000000001 x0 : 0000000000000011 > > [ 67.897493] Call trace: > > [ 67.897679] dump_vma_snapshot+0x98/0x18c > > [ 67.898034] elf_core_dump+0x50/0xcf0 > > [ 67.898274] do_coredump+0xbdc/0xfc4 > > [ 67.898553] get_signal+0x524/0x7f0 > > [ 67.898775] do_notify_resume+0x224/0x1330 > > [ 67.899046] el0_da+0x50/0x60 > > [ 67.899431] el0t_64_sync_handler+0xec/0x130 > > [ 67.899726] el0t_64_sync+0x1a0/0x1a4 > > > > Thank you. I will look into this immediately. Was this with default > config for arm64? Was it with a vm or real hardware? I was able to reproduce it and have a fix for tomorrow. Thanks, Liam
