July 31 2015 4:21 PM, "Glen Barber" <g...@freebsd.org> wrote:
> On Fri, Jul 31, 2015 at 04:18:15AM +0000, Glen Barber wrote:
>> On Thu, Jul 30, 2015 at 06:57:05PM -0500, Larry Rosenman wrote:
>>> On 2015-07-30 17:17, Glen Barber wrote:
>>>> On Thu, Jul 30, 2015 at 03:20:46PM -0500, Larry Rosenman wrote:
>>>>> Kernel compiling -- give mr a bit and I'll boot it and make sure it
>>>>> comes
>>>>> up.
>>>> Larry, have you had any luck with this patch applied? If it resolves
>>>> your issue, I want to make sure it is included in the 10.2-RC2 build.
>>>> Thanks.
>>> [...]
>>> There are 3 pictures from the CURRENT panic.
>>> it STILL fails. :(
>> Larry, I am sorry this is causing headaches for you, and I certainly
>> appreciate the prompt (and detailed) report, and assistance debugging
>> this.
>> Would you be able to try one more test case?
>> I'm interested in the behavior without the 'nodevice pmsdrv' addition to
>> your kernel configuration (effectively, removing the device from the
>> GENERIC kernel), and *without* the patch provided from Benno?
> To be more specific on what I'm interested in, 'nodevice pmsdrv' and
> 'device pmsdrv' should *both* be removed from the kernel configuration,
> and the pms(4) should only be available as a .ko module.
>> In particular, I'm interested in if ahd(4) attaches or if loader(8)
>> auto-loads pms(4) after the PCI IDs are detected.
>> As this issue also affects the upcoming 10.2-RELEASE, your willingness
>> to help debug this is greatly appreciated, as you've tripped over
>> something that would have caused a great deal of pain after 10.2 was
>> release.
>> I owe you several beers.
> Glen

Hi All,

I've experienced the same bug although with a mvs(4) device on 10.2-PRERELEASE, 
once the pms driver is removed from the kernel config the problem disappears, I 
haven't had time to try the suggested patch as I only found this thread after 
removing the pms driver from the kernel.

Rob Evers

P.S. some info from the machine

working system:

# pciconf -l | grep mvs1
mvs1@pci0:5:0:0:        class=0x010400 card=0x02439005 chip=0x02439005 rev=0x02 

Failed boot:
cib2: allocated memory range (0xd0400000-0xd04fffff) for rid 10 of pci0:5:0:0
        map[18]: type I/O Port, range 32, base 0x3000, size  8, enabled
pcib2: allocated I/O port range (0x3000-0x30ff) for rid 18 of pci0:5:0:0
        map[1c]: type Memory, range 64, base 0xd0300000, size 20, enabled
pcib2: attempting to grow memory window for (0xd0300000-0xd03fffff,0x100000)
        front candidate range: 0xd0300000-0xd03fffff
pci5: pci0:5:0:0 bar 0x1c failed to allocate
pcib2: matched entry for 5.0.INTA
pcib2: slot 0 INTA hardwired to IRQ 16
pmspcv0 port 0x3000-0x30ff mem 0xd0400000-0xd04fffff irq 16 at device 0.0 on 

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x28
fault code              = supervisor read data, page not present
instruction pointer     = 0x20:0xffffffff80a0d984
stack pointer           = 0x28:0xffffffff821ac2c0
frame pointer           = 0x28:0xffffffff821ac2d0
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 (swapper)
trap number             = 12
panic: page fault
cpuid = 0
KDB: stack backtrace:
#0 0xffffffff80a17a30 at kdb_backtrace+0x60
#1 0xffffffff809db196 at vpanic+0x126
#2 0xffffffff809db063 at panic+0x43
#3 0xffffffff80dee3eb at trap_fatal+0x36b
#4 0xffffffff80dee6ed at trap_pfault+0x2ed
#5 0xffffffff80dedd8a at trap+0x47a
#6 0xffffffff80dd4102 at calltrap+0x8
#7 0xffffffff806b7a20 at agtiapi_attach+0x3a0
#8 0xffffffff80a0e6cd at device_attach+0x43d
#9 0xffffffff80a0f82c at bus_generic_attach+0x4c
#10 0xffffffff8038069c at acpi_pci_attach+0x15c
#11 0xffffffff80a0e6cd at device_attach+0x43d
#12 0xffffffff80a0f82c at bus_generic_attach+0x4c
#13 0xffffffff803827cc at acpi_pcib_attach+0x22c
#14 0xffffffff80383a2f at acpi_pcib_pci_attach+0x9f
#15 0xffffffff80a0e6cd at device_attach+0x43d
#16 0xffffffff80a0f82c at bus_generic_attach+0x4c
#17 0xffffffff8038069c at acpi_pci_attach+0x15c
Uptime: 1s

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