[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v2 0/3] target/arm: Reduce overhead of cpu_get_t
From: |
Emilio G. Cota |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/3] target/arm: Reduce overhead of cpu_get_tb_cpu_state |
Date: |
Thu, 21 Feb 2019 16:21:30 -0500 |
User-agent: |
Mutt/1.9.4 (2018-02-28) |
On Tue, Feb 19, 2019 at 15:34:18 -0800, Richard Henderson wrote:
> Changes since v1:
> * Apparently I had started a last-minute API change, and failed to
> covert all of the users, and also failed to re-test afterward.
> * Retain assertions for --enable-debug-tcg.
This brings my arm-softmmu bootup+shutdown test to an early death:
[...]
VFS: Mounted root (ext4 filesystem) readonly on device 254:1.
devtmpfs: mounted
Freeing unused kernel memory: 300K (80669000 - 806b4000)
BUG: unsupported FP instruction in kernel mode
Internal error: Oops - undefined instruction: 0 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 1 Comm: init Not tainted 4.5.0-ajb #10
Hardware name: Generic DT based system
task: eec58000 ti: eec52000 task.ti: eec52000
PC is at vfp_reload_hw+0xc/0x44
LR is at __und_usr_fault_32+0x0/0x8
pc : [<8000ab94>] lr : [<800136c0>] psr: 000c0013
sp : eec53fb0 ip : 7eb88918 fp : 00000000
r10: eec520f8 r9 : 8001371c r8 : 00000b00
r7 : 00000001 r6 : eec5204c r5 : 40000000 r4 : 00000000
r3 : 806e1058 r2 : 76fc1362 r1 : 40000000 r0 : ecac8b10
Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 30c5387d Table: ae4048c0 DAC: fffffffd
Process init (pid: 1, stack limit = 0xeec52210)
Stack: (0xeec53fb0 to 0xeec54000)
3fa0: 7eb888f0 00000000 003fb0d6 fffffd90
3fc0: 7eb888e0 76fd8050 00000000 7eb88ab0 00000000 0001223c 76fd8958 7eb88a90
3fe0: 7eb88918 7eb888c0 76fbb187 76fc1362 600c0030 ffffffff 00000000 00000000
[<8000ab94>] (vfp_reload_hw) from [<800136c0>] (__und_usr_fault_32+0x0/0x8)
Code: 0a000010 e58ab110 eee85a10 e783a10b (ecba0b20)
---[ end trace 26acd422f5b3785f ]---
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
Thanks,
Emilio
- [Qemu-devel] [PATCH v2 0/3] target/arm: Reduce overhead of cpu_get_tb_cpu_state, Richard Henderson, 2019/02/19
- [Qemu-devel] [PATCH v2 3/3] target/arm: Rely on hflags correct in cpu_get_tb_cpu_state, Richard Henderson, 2019/02/19
- [Qemu-devel] [PATCH v2 2/3] target/arm: Rebuild hflags at el changes and MSR writes, Richard Henderson, 2019/02/19
- [Qemu-devel] [PATCH v2 1/3] target/arm: Split out recompute_hflags et al, Richard Henderson, 2019/02/19
- Re: [Qemu-devel] [PATCH v2 0/3] target/arm: Reduce overhead of cpu_get_tb_cpu_state, no-reply, 2019/02/19
- Re: [Qemu-devel] [PATCH v2 0/3] target/arm: Reduce overhead of cpu_get_tb_cpu_state, no-reply, 2019/02/19
- Re: [Qemu-devel] [PATCH v2 0/3] target/arm: Reduce overhead of cpu_get_tb_cpu_state,
Emilio G. Cota <=
- Re: [Qemu-devel] [PATCH v2 0/3] target/arm: Reduce overhead of cpu_get_tb_cpu_state, no-reply, 2019/02/27