[DragonFlyBSD - Bug #2575] Dell PERC 4e/Di causes crash on boot

["Justin C. Sherrill via Redmine" <bugtracker-admin@xxxxxxxxxxxxxxxxxxxxx>]

Issue #2575 has been reported by justin.

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Bug #2575: Dell PERC 4e/Di causes crash on boot
http://bugs.dragonflybsd.org/issues/2575

Author: justin
Status: New
Priority: Normal
Assignee: 
Category: 
Target version: 


Booting up an older Dell 2950 with the DragonFly 3.4.2 release ISO, with a PERC 4e/Di RAID controller, causes a crash.  Here's what's left on the console.

hptrr: no controller detected
hpt27xx: no controller detected.
amr0: delete logical drives supported by controller
amrp1.amr0.pci2.pcib2.pci1.pcib1.pci0.pcib0.acpi0.nexus0.root0
amrp1 [tentative] on amr0

Fatal trap 12: page fault while in kernel mode
cpuif = 0; lapic->id = 00000000
fault virtual address   = 0xe68
fault code              = supervisor write data, page not present
instruction pointer     = 0x8:0xffffffff8031822b
stack pointer           = 0x10:0xffffffff824ec9f0
frame pointer           = 0x10:0xffffffff824eca50
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 0
current thread          = pri 12
kernel: type 12 trap, code=2

CPU0 stopping CPUs: 0x0000000e
 stopped
Stopped at      amr_cam_attach+0x19:    movq   $0,0xe70(%rax)
db> trace
amr_cam_attach() at amr_cam_attach+0x19 0xffffffff8031822b
device_doattach() at device_doattach+0x3e 0xffffffff80522960
device_probe_and_attach() at device_probe_and_attach+0x1d2 0xffffffff80522f8e
bus_generic_attach() at bus_generic_attach+0x1a 0xffffffff805230eb
amr_startup() at amr_startup+0x10b 0xffffffff80316bee
run_interrupt_driven_config_hooks() at run_interrupt_driven_config_hooks+0x120 0xffffffff8051e600
mi_startup() at mi_startup+0xb1 0xffffffff804ce50f




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