Re: em0+msi related panic
- From: Paolo Pisati <piso@xxxxxxxxxxx>
- Date: Tue, 27 Feb 2007 15:23:59 +0100
On Tue, Feb 27, 2007 at 11:32:04AM +0100, Goran Gajic wrote:
Hi,
I was running 7.0-CURRENT until today with
hw.pci.enable_msi=0
hw.pci.enable_msix=0
in /boot/loader.conf
However from today built it causes panic during boot:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0x0
fault code = supervisor read, page not present
instruction pointer = 0x20:0x0
stack pointer = 0x28:0xd3d3acd0
frame pointer = 0x28:0xd3d3ace4
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 25 (irq19: em0 uhci1+)
[thread pid 25 tid 100019 ]
Stopped at 0: *** error reading from address 0 ***
db> bt
Tracing pid 25 tid 100019 td 0xc2d73360
ithread_execute_handlers(c2de4b40,c2db7800) at
ithread_execute_handlers+0x119
ithread_loop(c2eb0ad0,d3d3ad38) at ithread_loop+0x67
fork_exit(c06ae8e0,c2eb0ad0,d3d3ad38) at fork_exit+0xac
fork_trampoline() at fork_trampoline+0x8
--- trap 0, eip = 0, esp = 0xd3d3ad70, ebp = 0 ---
o does em share the irq with another device? (vmstat -i)
o do you have DEVICE_POLLING in you kernel config?
bye,
P.
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- From: Goran Gajic
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