[Qemu-devel] [Bug 1691379] [NEW] NetBSD evbmips64el port installation doesn't work with qemu-system-mips64el.

[Utkarsh Anand]

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

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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.

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