Comment 38 for bug 532733

Revision history for this message
Zygmunt Krynicki (zyga) wrote :

Hi

I can reproduce this each time by running netboot installer using the versatile kernel:

#!/bin/sh
qemu-img create -f qcow2 sda.qcow2 16G
gdb --args qemu-system-arm -M versatilepb -m 256 -cpu cortex-a8 -kernel vmlinuz -initrd initrd.gz -hda sda.qcow2 -append "mem=256M"

Here is the backtrace:

(gdb) bt
#0 0xffffffffcdc546ec in ?? ()
#1 0x00000000000000eb in ?? ()
#2 0x0000000000567064 in tlb_set_page (env=0x4, address=13491680, access_type=3584, mmu_idx=0, is_softmmu=13476464)
    at /build/buildd/qemu-kvm-0.12.3+noroms/exec-all.h:98
#3 cpu_arm_handle_mmu_fault (env=0x4, address=13491680, access_type=3584, mmu_idx=0, is_softmmu=13476464)
    at /build/buildd/qemu-kvm-0.12.3+noroms/target-arm/helper.c:1178
#4 0x0000000000562151 in tlb_fill (addr=3930382336, is_write=<value optimized out>, mmu_idx=<value optimized out>, retaddr=0x0)
    at /build/buildd/qemu-kvm-0.12.3+noroms/target-arm/op_helper.c:98
#5 0x0000000000514aa9 in __ldb_cmmu (addr=240640, mmu_idx=1) at /build/buildd/qemu-kvm-0.12.3+noroms/softmmu_template.h:131
#6 0x0000000000515a78 in cpu_arm_exec (env1=<value optimized out>) at /build/buildd/qemu-kvm-0.12.3+noroms/cpu-exec.c:630
#7 0x000000000040dfd3 in qemu_cpu_exec (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>)
    at /build/buildd/qemu-kvm-0.12.3+noroms/vl.c:4073
#8 tcg_cpu_exec (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>) at /build/buildd/qemu-kvm-0.12.3+noroms/vl.c:4102
#9 main_loop (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>) at /build/buildd/qemu-kvm-0.12.3+noroms/vl.c:4226
#10 main (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>) at /build/buildd/qemu-kvm-0.12.3+noroms/vl.c:6238