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...disk Using $PIR table, 11 entries at 0xc00f1770 npx0: <math processor> on motherboard npx0: INT 16 interface pcib0: <Host to PCI bridge> on motherboard pci0: <PCI bus> on pcib0 agp0: <Ali Generic host to PCI bridge> mem 0xf0000000-0xf7ffffff at device 0.0 on pci0 pcib1: <AcerLabs M5247 PCI-PCI(AGP Supported) bridge> at device 1.0 on pci0 pci1: <PCI bus> on pcib1 pci1: <NVidia Riva TNT2 graphics accelerator> at 0.0 irq 11 ohci0: <AcerLabs M5237 (Aladdin-V) USB controller> mem 0xeb800000-0xeb800fff irq 6 at device 2.0 on pci0 usb0: OHCI version 1.0, legac...

If you start to experience problems with ata devices, please direct your report this way. Thanks -lq

...are welcome. I don't have physical access to the machine for quite a few more hours, but when I do should be able to net-boot into the earlier freebsd stable/9 that I originally installed onto this host, and can try a few more things. - Chris atapci0: <AcerLabs M5229 UDMA66 controller> port 0x10200-0x10207,0x10218-0x1021b,0x10210-0x10217,0x10208-0x1020b,0x10220-0x1022f at device 13.0 on pci0 atapci0: using PIO transfers above 137GB as workaround for 48bit DMA access bug, expect reduced performance ata2: <ATA channel> at channel 0 on atapci0 ata3:...

<message resent - email address not valid, I apalogize if you received it twice> I have the same problem than Volker Stolz a month ago! If I boot with the hub attached, it stops at : ohci0: <AcerLabs M5237 (Aladdin-V) USB controller> mem0xdf000000-0xdf000fff irq 9 at device 2.0 on pci0 usb0: OHCI version 1.0, legacy support usb0: <AcerLabs M5237 (Aladdin-V) USB controller> on ohci0 usb0: USB revision 1.0 uhub0: AcerLabs OHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub0: 2...

...s> on pcib0 agp0: <ATI RS100 AGP bridge> on hostb0 pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0 pci1: <ACPI PCI bus> on pcib1 vgapci0: <VGA-compatible display> port 0x9000-0x90ff mem 0xe0000000-0xefffffff,0xd0100000-0xd010ffff irq 10 at device 5.0 on pci1 ohci0: <AcerLabs M5237 (Aladdin-V) USB controller> mem 0xd0006000-0xd0006fff irq 9 at device 2.0 on pci0 ohci0: [GIANT-LOCKED] ohci0: [ITHREAD] usb0: OHCI version 1.0, legacy support usb0: SMM does not respond, resetting usb0: <AcerLabs M5237 (Aladdin-V) USB controller> on ohci0 usb0: USB revision 1.0 uhub...

Could people who are experiencing boot-time hangs in 4.9-PRERELEASE try the following patch to see if it helps? I've had one positive report so far, but it would be helpful to get more feedback to determine if this is the right fix to be committed. The problem was that interrupts were getting unmasked too early in the boot process, causing an interrupt storm that usually occurred while USB