Apple Mac Mini doesn't boot without monitor

[Unai Uribarri]

Binary package hint: linux-image-2.6-power4

If I turn off the monitor, linux doesn't boot until I turn it on again. The machine is very hot, with the fan at top speed, so it should be in a busy wait. I've waited up to 5 minutes without any result.

When I turn on the monitor, the screen flash twice and begins the boot process. In the dmesg output, you can see a silence period since second 0 to 42 (when I turn on the monitor):

[ 0.000000] Total memory = 1024MB; using 2048kB for hash table (at cfe00000)
[ 0.000000] Linux version 2.6.15-25-powerpc (buildd@royal) (gcc version 4.0.3 (Ubuntu 4.0.3-1ubuntu5)) #1 Wed Jun 14 11:27:00 UTC 2006
[ 0.000000] Found initrd at 0xc1900000:0xc20b7000
[ 0.000000] Found UniNorth memory controller & host bridge @ 0xf8000000 revision: 0xd2
[ 0.000000] Mapped at 0xfdfc0000
[ 0.000000] Found a Intrepid mac-io controller, rev: 0, mapped at 0xfdf40000
[ 0.000000] Processor NAP mode on idle enabled.
[ 0.000000] PowerMac motherboard: Mac mini
[ 0.000000] Enabling clock spreading on Intrepid ASIC
[ 0.000000] Found UniNorth PCI host bridge at 0xf0000000. Firmware bus number: 0->0
[ 0.000000] Found UniNorth PCI host bridge at 0xf2000000. Firmware bus number: 0->0
[ 0.000000] Found UniNorth PCI host bridge at 0xf4000000. Firmware bus number: 0->0
[ 0.000000] via-pmu: Server Mode is disabled
[ 0.000000] PMU driver 2 initialized for Core99, firmware: 55
[ 0.000000] nvram: Checking bank 0...
[ 0.000000] nvram: gen0=298, gen1=299
[ 0.000000] nvram: Active bank is: 1
[ 0.000000] nvram: OF partition at 0x410
[ 0.000000] nvram: XP partition at 0x1020
[ 0.000000] nvram: NR partition at 0x1120
[ 0.000000] Top of RAM: 0x40000000, Total RAM: 0x40000000
[ 0.000000] Memory hole size: 0MB
[ 0.000000] On node 0 totalpages: 262144
[ 0.000000] DMA zone: 196608 pages, LIFO batch:31
[ 0.000000] DMA32 zone: 0 pages, LIFO batch:0
[ 0.000000] Normal zone: 0 pages, LIFO batch:0
[ 0.000000] HighMem zone: 65536 pages, LIFO batch:15
[ 0.000000] Built 1 zonelists
[ 0.000000] Kernel command line: root=/dev/hda4 ro quiet
[ 0.000000] mpic: Setting up MPIC " MPIC 1 " version 1.2 at 80040000, max 4 CPUs
[ 0.000000] mpic: ISU size: 64, shift: 6, mask: 3f
[ 0.000000] mpic: Initializing for 64 sources
[ 0.000000] PID hash table entries: 4096 (order: 12, 65536 bytes)
[ 0.000000] GMT Delta read from XPRAM: 0 minutes, DST: off
[ 0.000000] time_init: decrementer frequency = 41.620997 MHz
[ 0.000000] time_init: processor frequency = 1416.666661 MHz
[ 42.073501] Console: colour dummy device 80x25
[ 42.074131] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[ 42.074960] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 42.123444] High memory: 262144k
[ 42.123451] Memory: 1024976k/1048576k available (2692k kernel code, 284984k reserved, 276k data, 304k bss, 180k init)
[ 42.123581] Calibrating delay loop... 83.20 BogoMIPS (lpj=166400)
[ 42.206992] Security Framework v1.0.0 initialized
[ 42.207012] SELinux: Disabled at boot.
[ 42.207035] Mount-cache hash table entries: 512
[ 42.207251] device-tree: property "l2-cache" name conflicts with node in /cpus/PowerPC,G4@0
[ 42.208402] checking if image is initramfs... it is
[ 42.966640] Freeing initrd memory: 7900k freed
[ 42.967660] NET: Registered protocol family 16
[ 42.967848] PCI: Probing PCI hardware
[ 42.969123] PCI: Cannot allocate resource region 0 of device 0001:10:18.0
[ 42.969136] PCI: Cannot allocate resource region 0 of device 0001:10:19.0
[ 42.969151] Apple USB OHCI 0001:10:18.0 disabled by firmware
[ 42.969156] Apple USB OHCI 0001:10:19.0 disabled by firmware
[ 42.970245] Thermal assist unit not available
[ 42.970822] audit: initializing netlink socket (disabled)
[ 42.970836] audit(1151775625.892:1): initialized
[ 42.970909] highmem bounce pool size: 64 pages
[ 42.971023] VFS: Disk quotas dquot_6.5.1
[ 42.971051] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 42.971130] Initializing Cryptographic API
[ 42.971137] io scheduler noop registered
[ 42.971145] io scheduler anticipatory registered
[ 42.971152] io scheduler deadline registered
[ 42.971170] io scheduler cfq registered
[ 42.971448] PCI: Enabling device 0000:00:10.0 (0006 -> 0007)
[ 43.168816] radeonfb (0000:00:10.0): Invalid ROM signature 0 should be 0xaa55[ 43.168824] radeonfb: Retreived PLL infos from Open Firmware
[ 43.168829] radeonfb: Reference=27.00 MHz (RefDiv=12) Memory=190.00 Mhz, System=250.00 MHz
[ 43.168833] radeonfb: PLL min 12000 max 35000
[ 44.367929] radeonfb: Monitor 1 type CRT found
[ 44.367934] radeonfb: EDID probed
[ 44.367936] radeonfb: Monitor 2 type no found
[ 44.430535] Console: switching to colour frame buffer device 160x64
[ 44.430546] radeonfb (0000:00:10.0): ATI Radeon Yb
[ 44.448146] Macintosh non-volatile memory driver v1.1
[ 44.448231] IN from bad port 64 at c018d1b8
[ 44.448285] IN from bad port 60 at c018d1ec
[ 44.448289] IN from bad port 64 at c018d1b8
[ 44.448342] IN from bad port 60 at c018d1ec
[ 44.448346] IN from bad port 64 at c018d1b8
[ 44.448399] IN from bad port 60 at c018d1ec
[ 44.448403] IN from bad port 64 at c018d1b8
[ 44.448456] IN from bad port 60 at c018d1ec
[ 44.448460] IN from bad port 64 at c018d1b8
[ 44.448513] IN from bad port 60 at c018d1ec
[ 44.448516] IN from bad port 64 at c018d1b8
[ 44.448570] IN from bad port 60 at c018d1ec
[ 44.448573] IN from bad port 64 at c018d1b8
[ 44.448626] IN from bad port 60 at c018d1ec
[ 44.448630] IN from bad port 64 at c018d1b8
[ 44.448683] IN from bad port 60 at c018d1ec
[ 44.448687] IN from bad port 64 at c018d1b8
[ 44.448740] IN from bad port 60 at c018d1ec
[ 44.448744] IN from bad port 64 at c018d1b8
[ 44.448797] IN from bad port 60 at c018d1ec
[ 44.448800] IN from bad port 64 at c018d1b8
[ 44.448853] IN from bad port 60 at c018d1ec
[ 44.448857] IN from bad port 64 at c018d1b8
[ 44.448910] IN from bad port 60 at c018d1ec
[ 44.448914] IN from bad port 64 at c018d1b8
[ 44.448967] IN from bad port 60 at c018d1ec
[ 44.448971] IN from bad port 64 at c018d1b8
[ 44.449023] IN from bad port 60 at c018d1ec
[ 44.449027] IN from bad port 64 at c018d1b8
[ 44.449080] IN from bad port 60 at c018d1ec
[ 44.449084] IN from bad port 64 at c018d1b8
[ 44.449137] IN from bad port 60 at c018d1ec
[ 44.449141] IN from bad port 64 at c018d1b8
[ 44.449144] i8042.c: No controller found.
[ 44.449625] RAMDISK driver initialized: 16 RAM disks of 65536K size 1024 blocksize
[ 44.449756] MacIO PCI driver attached to Intrepid chipset
[ 44.450393] input: Macintosh mouse button emulation as /class/input/input0
[ 44.450550] Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
[ 44.450557] ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
[ 44.450574] adb: starting probe task...
[ 44.450580] adb: finished probe task...
[ 44.450671] PCI: Enabling device 0002:20:0d.0 (0000 -> 0002)
[ 45.466941] ide0: Found Apple UniNorth ATA-6 controller, bus ID 3, irq 39
[ 45.466958] Probing IDE interface ide0...
[ 45.755120] hda: TOSHIBA MK8025GAS, ATA DISK drive
[ 46.203116] hdb: MATSHITACD-RW CW-8123, ATAPI CD/DVD-ROM drive
[ 46.258947] hda: Enabling Ultra DMA 5
[ 46.259959] hdb: Enabling Ultra DMA 2
[ 46.261004] ide0 at 0xf101a000-0xf101a007,0xf101a160 on irq 39
[ 47.278939] ide1: Found Apple KeyLargo ATA-3 controller, bus ID 0, irq 24
[ 47.278951] Probing IDE interface ide1...
[ 47.847062] mice: PS/2 mouse device common for all mice
[ 47.847155] NET: Registered protocol family 2
[ 47.883011] IP route cache hash table entries: 65536 (order: 6, 262144 bytes)[ 47.883521] TCP established hash table entries: 262144 (order: 8, 1048576 bytes)
[ 47.884880] TCP bind hash table entries: 65536 (order: 6, 262144 bytes)
[ 47.885185] TCP: Hash tables configured (established 262144 bind 65536)
[ 47.885191] TCP reno registered
[ 47.885321] TCP bic registered
[ 47.885334] NET: Registered protocol family 1
[ 47.885345] NET: Registered protocol family 8
[ 47.885348] NET: Registered protocol family 20
[ 47.885420] Freeing unused kernel memory: 180k init
[ 47.964620] Capability LSM initialized
[ 48.012275] Found KeyWest i2c on "uni-n", 2 channels, stepping: 4 bits
[ 48.012398] Found KeyWest i2c on "mac-io", 1 channel, stepping: 4 bits
[ 48.586242] hda: max request size: 1024KiB
[ 48.635785] hda: 156301488 sectors (80026 MB), CHS=16383/255/63, UDMA(100)
[ 48.635877] hda: cache flushes supported
[ 48.636094] hda: [mac] hda1 hda2 hda3 hda4 hda5
[ 48.657017] hdb: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33)
[ 48.657033] Uniform CD-ROM driver Revision: 3.20
[ 49.212448] usbcore: registered new driver usbfs
[ 49.212933] usbcore: registered new driver hub
[ 49.215264] ohci_hcd: 2005 April 22 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
[ 49.215773] Apple USB OHCI 0001:10:18.0 disabled by firmware
[ 49.215783] Apple USB OHCI 0001:10:19.0 disabled by firmware
[ 49.215793] PCI: Enabling device 0001:10:1a.0 (0000 -> 0002)
[ 49.215810] ohci_hcd 0001:10:1a.0: OHCI Host Controller
[ 49.216675] ohci_hcd 0001:10:1a.0: new USB bus registered, assigned bus number 1
[ 49.216692] ohci_hcd 0001:10:1a.0: irq 29, io mem 0x80083000
[ 49.258628] hub 1-0:1.0: USB hub found
[ 49.258652] hub 1-0:1.0: 2 ports detected
[ 49.492271] PCI: Enabling device 0001:10:1b.0 (0000 -> 0002)
[ 49.492293] ohci_hcd 0001:10:1b.0: OHCI Host Controller
[ 49.492489] ohci_hcd 0001:10:1b.0: new USB bus registered, assigned bus number 2
[ 49.492505] ohci_hcd 0001:10:1b.0: irq 63, io mem 0x80082000
[ 49.497714] ieee1394: Initialized config rom entry `ip1394'
[ 49.545983] hub 2-0:1.0: USB hub found
[ 49.546006] hub 2-0:1.0: 3 ports detected
[ 49.647195] PCI: Enabling device 0001:10:1b.1 (0000 -> 0002)
[ 49.647218] ohci_hcd 0001:10:1b.1: OHCI Host Controller
[ 49.647367] ohci_hcd 0001:10:1b.1: new USB bus registered, assigned bus number 3
[ 49.647381] ohci_hcd 0001:10:1b.1: irq 63, io mem 0x80081000
[ 49.682986] hub 3-0:1.0: USB hub found
[ 49.683001] hub 3-0:1.0: 2 ports detected
[ 49.791599] PCI: Enabling device 0001:10:1b.2 (0004 -> 0006)
[ 49.791620] ehci_hcd 0001:10:1b.2: EHCI Host Controller
[ 49.815282] ehci_hcd 0001:10:1b.2: new USB bus registered, assigned bus number 4
[ 49.815300] ehci_hcd 0001:10:1b.2: irq 63, io mem 0x80080000
[ 49.815312] ehci_hcd 0001:10:1b.2: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
[ 49.815651] hub 4-0:1.0: USB hub found
[ 49.815668] hub 4-0:1.0: 5 ports detected
[ 49.920334] ohci1394: $Rev: 1313 $ Ben Collins <email address hidden>
[ 49.920366] PCI: Enabling device 0002:20:0e.0 (0000 -> 0002)
[ 49.920783] ohci1394: fw-host0: Unexpected PCI resource length of 1000!
[ 49.972371] ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[40] MMIO=[f5000000-f50007ff] Max Packet=[2048]
[ 50.211877] kjournald starting. Commit interval 5 seconds
[ 50.211897] EXT3-fs: mounted filesystem with ordered data mode.
[ 51.210964] usb 2-1: new low speed USB device using ohci_hcd and address 3
[ 51.251205] ieee1394: Host added: ID:BUS[0-00:1023] GUID[000d93fffe4e3054]
[ 60.764391] ts: Compaq touchscreen protocol output
[ 63.397108] Linux agpgart interface v0.101 (c) Dave Jones
[ 63.398664] agpgart: Detected Apple UniNorth 2 chipset
[ 63.398736] agpgart: configuring for size idx: 4
[ 63.398784] agpgart: AGP aperture is 16M @ 0x0
[ 64.827125] usbcore: registered new driver hiddev
[ 64.839727] sungem.c:v0.98 8/24/03 David S. Miller (<email address hidden>)
[ 64.861791] input: Logitech USB Receiver as /class/input/input1
[ 64.862001] input: USB HID v1.10 Keyboard [Logitech USB Receiver] on usb-0001:10:1b.0-1
[ 64.881637] input: Logitech USB Receiver as /class/input/input2
[ 64.882038] input: USB HID v1.10 Mouse [Logitech USB Receiver] on usb-0001:10:1b.0-1
[ 64.882055] usbcore: registered new driver usbhid
[ 64.882059] drivers/usb/input/hid-core.c: v2.6:USB HID core driver
[ 65.011295] PHY ID: 4061e4, addr: 0
[ 65.012198] eth0: Sun GEM (PCI) 10/100/1000BaseT Ethernet 00:0d:93:4e:30:54
[ 65.012207] eth0: Found BCM5221 PHY
[ 65.845158] apm_emu: APM Emulation 0.5 initialized.
[ 66.140008] SCSI subsystem initialized
[ 66.148211] sbp2: $Rev: 1306 $ Ben Collins <email address hidden>
[ 66.148219] ieee1394: sbp2: Driver forced to serialize I/O (serialize_io=1)
[ 66.148223] ieee1394: sbp2: Try serialize_io=0 for better performance
[ 66.400513] input: PowerMac Beep as /class/input/input3
[ 66.877583] Adding 501288k swap on /dev/hda3. Priority:-1 extents:1 across:501288k
[ 66.909453] NET: Registered protocol family 17
[ 67.071090] EXT3 FS on hda4, internal journal
[ 67.411068] eth0: Link is up at 100 Mbps, full-duplex.
[ 67.411077] eth0: Pause is disabled
[ 67.444544] md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
[ 67.444552] md: bitmap version 4.39
[ 68.479152] device-mapper: 4.4.0-ioctl (2005-01-12) initialised: <email address hidden>
[ 69.942339] hdb: packet command error: status=0x51 { DriveReady SeekComplete Error }
[ 69.942350] hdb: packet command error: error=0x54 { AbortedCommand LastFailedSense=0x05 }
[ 69.942356] ide: failed opcode was: unknown
[ 69.942708] cdrom: open failed.
[ 70.652779] HFS+-fs: write access to a jounaled filesystem is not supported, use the force option at your own risk, mounting read-only.
[ 71.620667] NET: Registered protocol family 10
[ 71.620812] lo: Disabled Privacy Extensions
[ 71.621027] IPv6 over IPv4 tunneling driver
[ 80.893947] lp: driver loaded but no devices found
[ 81.349652] ppdev: user-space parallel port driver
[ 81.751411] [drm] Initialized drm 1.0.1 20051102
[ 81.795795] [drm] Initialized radeon 1.24.0 20060225 on minor 0
[ 82.330948] eth0: no IPv6 routers present

lspci output:

0000:00:0b.0 Host bridge: Apple Computer Inc. UniNorth 2 AGP
        Flags: bus master, 66MHz, medium devsel, latency 16
        Capabilities: <available only to root>

0000:00:10.0 VGA compatible controller: ATI Technologies Inc RV280 [Radeon 9200] (rev 01) (prog-if 00 [VGA])
        Subsystem: ATI Technologies Inc RV280 [Radeon 9200]
        Flags: bus master, 66MHz, medium devsel, latency 255, IRQ 48
        Memory at 98000000 (32-bit, prefetchable) [size=128M]
        I/O ports at f0000400 [size=256]
        Memory at 90000000 (32-bit, non-prefetchable) [size=64K]
        Expansion ROM at f1000000 [disabled] [size=128K]
        Capabilities: <available only to root>

0001:10:0b.0 Host bridge: Apple Computer Inc. UniNorth 2 PCI
        Flags: bus master, 66MHz, medium devsel, latency 16

0001:10:17.0 ff00: Apple Computer Inc. KeyLargo/Intrepid Mac I/O
        Flags: bus master, medium devsel, latency 16
        Memory at 80000000 (32-bit, non-prefetchable) [size=512K]

0001:10:18.0 USB Controller: Apple Computer Inc. KeyLargo/Intrepid USB (prog-if 10 [OHCI])
        Flags: medium devsel

0001:10:19.0 USB Controller: Apple Computer Inc. KeyLargo/Intrepid USB (prog-if 10 [OHCI])
        Flags: medium devsel

0001:10:1a.0 USB Controller: Apple Computer Inc. KeyLargo/Intrepid USB (prog-if 10 [OHCI])
        Flags: bus master, medium devsel, latency 16, IRQ 29
        Memory at 80083000 (32-bit, non-prefetchable) [size=4K]

0001:10:1b.0 USB Controller: NEC Corporation USB (rev 43) (prog-if 10 [OHCI])
        Subsystem: NEC Corporation USB
        Flags: bus master, medium devsel, latency 16, IRQ 63
        Memory at 80082000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: <available only to root>

0001:10:1b.1 USB Controller: NEC Corporation USB (rev 43) (prog-if 10 [OHCI])
        Subsystem: NEC Corporation USB
        Flags: bus master, medium devsel, latency 16, IRQ 63
        Memory at 80081000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: <available only to root>

0001:10:1b.2 USB Controller: NEC Corporation USB 2.0 (rev 04) (prog-if 20 [EHCI])
        Subsystem: NEC Corporation USB 2.0
        Flags: bus master, medium devsel, latency 16, IRQ 63
        Memory at 80080000 (32-bit, non-prefetchable) [size=256]
        Capabilities: <available only to root>

0002:20:0b.0 Host bridge: Apple Computer Inc. UniNorth 2 Internal PCI
        Flags: bus master, 66MHz, medium devsel, latency 16

0002:20:0d.0 ff00: Apple Computer Inc. UniNorth/Intrepid ATA/100
        Flags: bus master, medium devsel, latency 32, IRQ 39
        Memory at f5004000 (32-bit, non-prefetchable) [size=16K]

0002:20:0e.0 FireWire (IEEE 1394): Apple Computer Inc. UniNorth 2 FireWire (rev 81) (prog-if 10 [OHCI])
        Subsystem: Apple Computer Inc. iBook G4 2004
        Flags: bus master, medium devsel, latency 64, IRQ 40
        Memory at f5000000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: <available only to root>

0002:20:0f.0 Ethernet controller: Apple Computer Inc. UniNorth 2 GMAC (Sun GEM) (rev 80)
        Flags: bus master, 66MHz, slow devsel, latency 16, IRQ 41
        Memory at f5200000 (32-bit, non-prefetchable) [size=2M]
        Expansion ROM at f5100000 [disabled] [size=1M]

[Unai Uribarri (unaiur)]

The kernel boots adding this option to the boot line:
video=radeonfb:ignore_edid

But then, when I turn on the monitor it can work only at 640x480. I've to reboot the machine to get it working at higher resolutions.

[Jérôme Guelfucci (jerome-guelfucci-deactivatedaccount)]

Thank you for your bug report. Do you still have this issue with the latest release of Ubuntu ?

[Jérôme Guelfucci (jerome-guelfucci-deactivatedaccount)]

Any news on this ?

[Unai Uribarri (unaiur)]

Ubuntu 7.04 boots correctly without monitor.

[Jérôme Guelfucci (jerome-guelfucci-deactivatedaccount)]

Ok thank you, I'm marking this as fixed.

[Mark Edwards (mark-antsclimbtree)]

I just installed Ubuntu Server 7.04 on a Mac Mini Core Solo, and this is a problem. It won't boot without a monitor or some kind of adapter.

I assume that the above ignore_edid suggestion is for a PowerPC Mini, since it references a Radeon chipset. Is there a way to get an Intel Mac Mini booting Ubuntu Server without a monitor or using an adapter?

Thanks.

[Jérôme Guelfucci (jerome-guelfucci-deactivatedaccount)]

As your problem happens with a diffrent kernel, I think you should open a new bug report against linux-source-2.6.20. Thanks.