After add 'keep_bootcon', the vm is still not able to run a userspace program. With 'console=ttyS0', booting finally failed with init exited: qemu-system-mips64el -machine fulong2e -kernel ~/Programming/linux-stable/vmlinux -append 'keep_bootcon rw root=/dev/hda1 console=tty S0 cgroup_disable=memory selinux=0 debug init=/bin/bash' -drive file=fedora_mips.qcow2 -m 1G -nographic -serial stdio -monitor pty ................................ EXT3-fs (hda1): using internal journal EXT3-fs (hda1): recovery complete EXT3-fs (hda1): mounted filesystem with writeback data mode VFS: Mounted root (ext3 filesystem) on device 3:1. Freeing unused kernel memory: 208K (ffffffff8074c000 - ffffffff80780000) random: nonblocking pool is initialized Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000000
---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000000 With 'console=tty0', booting finally hangs: qemu-system-mips64el -machine fulong2e -kernel ~/Programming/linux-stable/vmlinux -append 'keep_bootcon rw root=/dev/hda1 console=tty 0 cgroup_disable=memory selinux=0 debug init=/bin/bash' -drive file=fedora_mips.qcow2 -m 1G -nographic -serial stdio -monitor pty ........................ EXT3-fs (hda1): using internal journal EXT3-fs (hda1): recovery complete EXT3-fs (hda1): mounted filesystem with writeback data mode VFS: Mounted root (ext3 filesystem) on device 3:1. Freeing unused kernel memory: 208K (ffffffff8074c000 - ffffffff80780000) random: nonblocking pool is initialized On Wed, Jun 17, 2015 at 10:17 PM, Robin Lee <robinlee.s...@gmail.com> wrote: > The option is actually 'keep_bootcon' > > > On Sunday, June 14, 2015, Robin Lee <robinlee.s...@gmail.com> wrote: > > Add 'keep_earlycon' can work around this. > > > > On Friday, June 12, 2015, Robin Lee <robinlee.s...@gmail.com> wrote: > >> Hi, everybody! > >> > >> I recently try to run qemu to emulate a loongson platform. But linux > boot hanged, the final message was 'bootconsole [early0] disabled'. > >> Any instruction or suggestion for me to solve this problem? > >> > >> Versions: > >> Fedora 22 x86_64 > >> Linux 4.0.4, compile with fuloong2e_defconfig > >> GCC 5.1.1 > >> qemu 2.3.0, using qemu-system-mips64el > >> > >> How to run: > >> qemu-system-mips64el -machine fulong2e -kernel > ~/Programming/linux-stable/vmlinux -append 'rw root=/dev/sda1 console=ttyS0 > cgroup_disable=memory selinux=0 debug init=/bin/bash' -drive > file=fedora-22-mips64el-20150601.qcow2 -nographic -m 1G -serial stdio > -monitor pty > >> > >> Qemu boot output: > >> Linux version 4.0.4-fuloong2e (cheese@cheese-X130e) (gcc version 5.1.1 > 20150422 (Red Hat Cross 5.1.1-1) (GCC) ) #9 Fri Jun 12 13:42:57 CST 2015 > >> memsize=256, highmemsize=0 > >> CpuClock = 100000000 > >> bootconsole [early0] enabled > >> CPU0 revision is: 00006302 (ICT Loongson-2) > >> FPU revision is: 00000501 > >> Checking for the multiply/shift bug... no. > >> Checking for the daddiu bug... no. > >> Determined physical RAM map: > >> memory: 0000000010000000 @ 0000000000000000 (usable) > >> memory: 0000000004000000 @ 0000000010000000 (reserved) > >> memory: 0000000003ffffff @ 000000001c000001 (reserved) > >> Zone ranges: > >> Normal [mem 0x0000000000000000-0x000000000fffffff] > >> Movable zone start for each node > >> Early memory node ranges > >> node 0: [mem 0x0000000000000000-0x000000000fffffff] > >> Initmem setup node 0 [mem 0x0000000000000000-0x000000000fffffff] > >> On node 0 totalpages: 16384 > >> Normal zone: 56 pages used for memmap > >> Normal zone: 0 pages reserved > >> Normal zone: 16384 pages, LIFO batch:3 > >> Primary instruction cache 64kB, VIPT, direct mapped, linesize 32 bytes. > >> Primary data cache 64kB, 4-way, VIPT, no aliases, linesize 32 bytes > >> Unified secondary cache 512kB 4-way, linesize 32 bytes. > >> pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 > >> pcpu-alloc: [0] 0 > >> Built 1 zonelists in Zone order, mobility grouping on. Total pages: > 16328 > >> Kernel command line: rw root=/dev/sda1 console=ttyS0 > cgroup_disable=memory selinux=0 debug init=/bin/bash > >> PID hash table entries: 1024 (order: -1, 8192 bytes) > >> Dentry cache hash table entries: 32768 (order: 4, 262144 bytes) > >> Inode-cache hash table entries: 16384 (order: 3, 131072 bytes) > >> Memory: 237328K/262144K available (4078K kernel code, 365K rwdata, > 1176K rodata, 176K init, 16574K bss, 24816K reserved, 0K cma-reserved) > >> NR_IRQS:128 > >> Console: colour dummy device 80x25 > >> Calibrating delay loop... 143.36 BogoMIPS (lpj=286720) > >> pid_max: default: 32768 minimum: 301 > >> Mount-cache hash table entries: 2048 (order: 0, 16384 bytes) > >> Mountpoint-cache hash table entries: 2048 (order: 0, 16384 bytes) > >> Checking for the daddi bug... no. > >> NET: Registered protocol family 16 > >> vgaarb: loaded > >> SCSI subsystem initialized > >> usbcore: registered new interface driver usbfs > >> usbcore: registered new interface driver hub > >> usbcore: registered new device driver usb > >> PCI host bridge to bus 0000:00 > >> pci_bus 0000:00: root bus resource [mem 0x14000000-0x1c000000] > >> pci_bus 0000:00: root bus resource [io 0x4000-0xffff] > >> pci_bus 0000:00: No busn resource found for root bus, will use [bus > 00-ff] > >> pci 0000:00:00.0: [df53:00d5] type 00 class 0x060000 > >> pci 0000:00:05.0: [1106:0686] type 00 class 0x060100 > >> via686b fix: ISA bridge > >> via686b fix: ISA bridge done > >> pci 0000:00:05.1: [1106:0571] type 00 class 0x01018a > >> pci 0000:00:05.1: [Firmware Bug]: reg 0x10: invalid BAR (can't size) > >> pci 0000:00:05.1: [Firmware Bug]: reg 0x14: invalid BAR (can't size) > >> pci 0000:00:05.1: [Firmware Bug]: reg 0x18: invalid BAR (can't size) > >> pci 0000:00:05.1: reg 0x1c: [mem 0x100000370-0x10000037f 64bit] > >> pci 0000:00:05.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7] > >> pci 0000:00:05.1: legacy IDE quirk: reg 0x14: [io 0x03f6] > >> pci 0000:00:05.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177] > >> pci 0000:00:05.1: legacy IDE quirk: reg 0x1c: [io 0x0376] > >> via686b fix: IDE > >> via686b fix: IDE done > >> pci 0000:00:05.2: [1106:3038] type 00 class 0x0c0300 > >> pci 0000:00:05.2: reg 0x20: [io 0x0000-0x001f] > >> pci 0000:00:05.3: [1106:3038] type 00 class 0x0c0300 > >> pci 0000:00:05.3: reg 0x20: [io 0x0000-0x001f] > >> pci 0000:00:05.4: [1106:3057] type 00 class 0x068000 > >> pci 0000:00:05.4: quirk: [io 0xeee0-0xeeef] claimed by vt82c686 SMB > >> pci 0000:00:05.5: [1106:3058] type 00 class 0x040100 > >> pci 0000:00:05.6: [1106:3068] type 00 class 0x078000 > >> pci 0000:00:07.0: [10ec:8139] type 00 class 0x020000 > >> pci 0000:00:07.0: reg 0x10: [io 0x0000-0x00ff] > >> pci 0000:00:07.0: reg 0x14: [mem 0x00000000-0x000000ff] > >> pci 0000:00:07.0: reg 0x30: [mem 0x00000000-0x0003ffff pref] > >> pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00 > >> pci 0000:00:07.0: BAR 6: assigned [mem 0x14000000-0x1403ffff pref] > >> pci 0000:00:07.0: BAR 0: assigned [io 0x4000-0x40ff] > >> pci 0000:00:07.0: BAR 1: assigned [mem 0x14040000-0x140400ff] > >> pci 0000:00:05.2: BAR 4: assigned [io 0x4400-0x441f] > >> pci 0000:00:05.3: BAR 4: assigned [io 0x4420-0x443f] > >> Switched to clocksource MIPS > >> NET: Registered protocol family 2 > >> TCP established hash table entries: 2048 (order: 0, 16384 bytes) > >> TCP bind hash table entries: 2048 (order: 0, 16384 bytes) > >> TCP: Hash tables configured (established 2048 bind 2048) > >> TCP: reno registered > >> UDP hash table entries: 512 (order: 0, 16384 bytes) > >> UDP-Lite hash table entries: 512 (order: 0, 16384 bytes) > >> NET: Registered protocol family 1 > >> PCI: Enabling device 0000:00:05.2 (0000 -> 0001) > >> PCI: Enabling device 0000:00:05.3 (0000 -> 0001) > >> PCI: CLS 0 bytes, default 32 > >> futex hash table entries: 256 (order: -2, 6144 bytes) > >> fuse init (API version 7.23) > >> Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254) > >> io scheduler noop registered > >> io scheduler deadline registered > >> io scheduler cfq registered (default) > >> Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled > >> rtc: SRM (post-2000) epoch (2000) detected > >> Real Time Clock Driver v1.12b > >> loop: module loaded > >> Uniform Multi-Platform E-IDE driver > >> via82cxxx 0000:00:05.1: VIA vt82c686b (rev 40) IDE UDMA100 > >> via82cxxx 0000:00:05.1: IDE controller (0x1106:0x0571 rev 0x06) > >> via82cxxx 0000:00:05.1: not 100% native mode: will probe irqs later > >> via82cxxx 0000:00:05.1: DMA base is invalid > >> ide0: DMA disabled > >> via82cxxx 0000:00:05.1: DMA base is invalid > >> ide1: DMA disabled > >> Probing IDE interface ide0... > >> hda: QEMU HARDDISK, ATA DISK drive > >> hda: host max PIO5 wanted PIO255(auto-tune) selected PIO4 > >> Probing IDE interface ide1... > >> hdc: QEMU DVD-ROM, ATAPI CD/DVD-ROM drive > >> hdc: host max PIO5 wanted PIO255(auto-tune) selected PIO0 > >> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 > >> ide1 at 0x170-0x177,0x376 on irq 15 > >> ide_generic: please use "probe_mask=0x3f" module parameter for probing > all legacy ISA IDE ports > >> ide-gd driver 1.18 > >> hda: max request size: 1024KiB > >> hda: 83886080 sectors (42949 MB) w/256KiB Cache, CHS=16383/255/63 > >> hda: cache flushes supported > >> hda: hda1 > >> ide-cd driver 5.00 > >> ide-cd: hdc: ATAPI 4X DVD-ROM drive, 512kB Cache > >> cdrom: Uniform CD-ROM driver Revision: 3.20 > >> 8139too: 8139too Fast Ethernet driver 0.9.28 > >> 8139too 0000:00:07.0: This (id 10ec:8139 rev 20) is an enhanced 8139C+ > chip, use 8139cp > >> ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver > >> ehci-pci: EHCI PCI platform driver > >> ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver > >> ohci-pci: OHCI PCI platform driver > >> usbcore: registered new interface driver cdc_acm > >> cdc_acm: USB Abstract Control Model driver for USB modems and ISDN > adapters > >> usbcore: registered new interface driver usblp > >> usbcore: registered new interface driver usb-storage > >> usbcore: registered new interface driver ums-cypress > >> usbcore: registered new interface driver ums-onetouch > >> serio: i8042 KBD port at 0x60,0x64 irq 1 > >> serio: i8042 AUX port at 0x60,0x64 irq 12 > >> mousedev: PS/2 mouse device common for all mice > >> hidraw: raw HID events driver (C) Jiri Kosina > >> usbcore: registered new interface driver usbkbd > >> usbcore: registered new interface driver usbmouse > >> TCP: cubic registered > >> NET: Registered protocol family 17 > >> bootconsole [early0] disabled > >> > >> -robin > >> > >> -- > >> You received this message because you are subscribed to the Google > Groups "loongson-dev" group. > >> To unsubscribe from this group and stop receiving emails from it, send > an email to loongson-dev+unsubscr...@googlegroups.com. > >> To post to this group, send email to loongson-dev@googlegroups.com. > >> Visit this group at http://groups.google.com/group/loongson-dev. > >> For more options, 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