Public bug reported: I successfully installed the NetBSD evbmips64el port on gxemul but was unable to install it on qemu. Trying to boot it on qemu takes me to the 'db>' prompt. Here's the output and backtrace:
panic: pcib_isa_intr_string: bogus isa irq 0x0 kernel: breakpoint trap Stopped in pid 0.1 (system) at netbsd:cpu_Debugger+0x4: jr ra bdslot: nop db> bt 0xffffffff805977f0: cpu_Debugger+4 (63061,90000000180003f8,6,ffffffff804c2290) ra ffffffff8030acd0 sz 0 0xffffffff805977f0: vpanic+158 (63061,90000000180003f8,6,ffffffff804c2290) ra ffffffff8030ad7c sz 64 0xffffffff80597830: panic+34 (63061,ffffffff803d65b0,0,40) ra ffffffff80109784 sz 96 0xffffffff80597890: pcib_isa_intr_string+6c (63061,ffffffff803d65b0,0,40) ra ffffffff80149bfc sz 16 0xffffffff805978a0: uhci_pci_attach+16c (63061,ffffffff803d65b0,0,40) ra ffffffff802f0400 sz 176 0xffffffff80597950: config_attach_loc+1c8 (63061,ffffffff803d65b0,0,40) ra ffffffff802f053c sz 64 0xffffffff80597990: config_found_sm_loc+5c (63061,ffffffff803d65b0,0,40) ra ffffffff80121354 sz 64 0xffffffff805979d0: pci_probe_device+524 (63061,ffffffff803d65b0,0,0) ra ffffffff80121548 sz 288 0xffffffff80597af0: pci_enumerate_bus+1d0 (63061,ffffffff803d65b0,0,0) ra ffffffff8012167c sz 160 0xffffffff80597b90: pcirescan+5c (63061,ffffffff803d65b0,0,0) ra ffffffff801218c4 sz 32 0xffffffff80597bb0: pciattach+19c (63061,ffffffff803d65b0,0,0) ra ffffffff802f0400 sz 80 0xffffffff80597c00: config_attach_loc+1c8 (63061,ffffffff803d65b0,0,0) ra ffffffff802f053c sz 64 0xffffffff80597c40: config_found_sm_loc+5c (63061,ffffffff803d65b0,0,0) ra ffffffff80108934 sz 64 0xffffffff80597c80: gt_attach+7c (63061,ffffffff803d65b0,0,0) ra ffffffff802f0400 sz 112 0xffffffff80597cf0: config_attach_loc+1c8 (63061,ffffffff803d65b0,0,0) ra ffffffff802f053c sz 64 0xffffffff80597d30: config_found_sm_loc+5c (63061,ffffffff803d65b0,0,0) ra ffffffff801086ac sz 64 0xffffffff80597d70: mainbus_attach+dc (63061,ffffffff803d65b0,0,0) ra ffffffff802f0400 sz 96 0xffffffff80597dd0: config_attach_loc+1c8 (63061,ffffffff803d65b0,0,0) ra ffffffff80104bf8 sz 64 0xffffffff80597e10: cpu_configure+28 (63061,ffffffff803d65b0,0,0) ra ffffffff803d5f30 sz 16 0xffffffff80597e20: main+3a0 (63061,ffffffff803d65b0,0,0) ra ffffffff801000dc sz 128 0xffffffff80597ea0: kernel_text+dc (63061,ffffffff803d65b0,0,0) ra 0 sz 0 User-level: pid 0.1 Here's the command that I used: Build evbmips64el from source and then launch it from qemu (replace the paths relative to your system): qemu-system-mips64el -cdrom /extra/evbmips64/distrib/evbmips/cdroms/installcd/NetBSD-7.99.71 -evbmips-mips64el.iso -hda /extra/evbmips64.img -kernel /extra/evbmips64/releasedir/evbmips/installation/netbsd-INSTALL_MALTA64 -nographic -M malta (I've decompressed the kernel) Here's the output for qemu-system-mips64el --version : QEMU emulator version 2.7.1(qemu-2.7.1-6.fc25), Copyright (c) 2003-2016 Fabrice Bellard and the QEMU Project developers This doesn't look like a NetBSD bug. I've attached a screenshot of the working installation using gxemul in the attachments. ** Affects: qemu Importance: Undecided Status: New ** Tags: mips64el netbsd ** Attachment added: "working installation in gxemul" https://bugs.launchpad.net/bugs/1691379/+attachment/4878063/+files/pr4.png -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1691379 Title: NetBSD evbmips64el port installation doesn't work with qemu-system- mips64el. Status in QEMU: New Bug description: I successfully installed the NetBSD evbmips64el port on gxemul but was unable to install it on qemu. Trying to boot it on qemu takes me to the 'db>' prompt. Here's the output and backtrace: panic: pcib_isa_intr_string: bogus isa irq 0x0 kernel: breakpoint trap Stopped in pid 0.1 (system) at netbsd:cpu_Debugger+0x4: jr ra bdslot: nop db> bt 0xffffffff805977f0: cpu_Debugger+4 (63061,90000000180003f8,6,ffffffff804c2290) ra ffffffff8030acd0 sz 0 0xffffffff805977f0: vpanic+158 (63061,90000000180003f8,6,ffffffff804c2290) ra ffffffff8030ad7c sz 64 0xffffffff80597830: panic+34 (63061,ffffffff803d65b0,0,40) ra ffffffff80109784 sz 96 0xffffffff80597890: pcib_isa_intr_string+6c (63061,ffffffff803d65b0,0,40) ra ffffffff80149bfc sz 16 0xffffffff805978a0: uhci_pci_attach+16c (63061,ffffffff803d65b0,0,40) ra ffffffff802f0400 sz 176 0xffffffff80597950: config_attach_loc+1c8 (63061,ffffffff803d65b0,0,40) ra ffffffff802f053c sz 64 0xffffffff80597990: config_found_sm_loc+5c (63061,ffffffff803d65b0,0,40) ra ffffffff80121354 sz 64 0xffffffff805979d0: pci_probe_device+524 (63061,ffffffff803d65b0,0,0) ra ffffffff80121548 sz 288 0xffffffff80597af0: pci_enumerate_bus+1d0 (63061,ffffffff803d65b0,0,0) ra ffffffff8012167c sz 160 0xffffffff80597b90: pcirescan+5c (63061,ffffffff803d65b0,0,0) ra ffffffff801218c4 sz 32 0xffffffff80597bb0: pciattach+19c (63061,ffffffff803d65b0,0,0) ra ffffffff802f0400 sz 80 0xffffffff80597c00: config_attach_loc+1c8 (63061,ffffffff803d65b0,0,0) ra ffffffff802f053c sz 64 0xffffffff80597c40: config_found_sm_loc+5c (63061,ffffffff803d65b0,0,0) ra ffffffff80108934 sz 64 0xffffffff80597c80: gt_attach+7c (63061,ffffffff803d65b0,0,0) ra ffffffff802f0400 sz 112 0xffffffff80597cf0: config_attach_loc+1c8 (63061,ffffffff803d65b0,0,0) ra ffffffff802f053c sz 64 0xffffffff80597d30: config_found_sm_loc+5c (63061,ffffffff803d65b0,0,0) ra ffffffff801086ac sz 64 0xffffffff80597d70: mainbus_attach+dc (63061,ffffffff803d65b0,0,0) ra ffffffff802f0400 sz 96 0xffffffff80597dd0: config_attach_loc+1c8 (63061,ffffffff803d65b0,0,0) ra ffffffff80104bf8 sz 64 0xffffffff80597e10: cpu_configure+28 (63061,ffffffff803d65b0,0,0) ra ffffffff803d5f30 sz 16 0xffffffff80597e20: main+3a0 (63061,ffffffff803d65b0,0,0) ra ffffffff801000dc sz 128 0xffffffff80597ea0: kernel_text+dc (63061,ffffffff803d65b0,0,0) ra 0 sz 0 User-level: pid 0.1 Here's the command that I used: Build evbmips64el from source and then launch it from qemu (replace the paths relative to your system): qemu-system-mips64el -cdrom /extra/evbmips64/distrib/evbmips/cdroms/installcd/NetBSD-7.99.71 -evbmips-mips64el.iso -hda /extra/evbmips64.img -kernel /extra/evbmips64/releasedir/evbmips/installation/netbsd- INSTALL_MALTA64 -nographic -M malta (I've decompressed the kernel) Here's the output for qemu-system-mips64el --version : QEMU emulator version 2.7.1(qemu-2.7.1-6.fc25), Copyright (c) 2003-2016 Fabrice Bellard and the QEMU Project developers This doesn't look like a NetBSD bug. I've attached a screenshot of the working installation using gxemul in the attachments. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1691379/+subscriptions