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Re: kern/49968: ixg(4) related panic on Dom0

The following reply was made to PR kern/49968; it has been noted by GNATS.

From: Hauke Fath <>
Subject: Re: kern/49968: ixg(4) related panic on Dom0
Date: Mon, 17 Aug 2015 15:53:55 +0200

 On Fri, 12 Jun 2015 16:05:00 +0000 (UTC), Hauke Fath wrote:
 > 	On the above machine, a Dom0 kernel configured with 
 > ixg* at pci? dev ? function ?  # Intel 10 GbE NIC
 > 	panics during autoconfiguration.
 On a similar machine, a beta2 non-xen kernel gave me a
 NetBSD 7.0_RC2 (FIFI-$Revision: 1.85 $) #0: Fri Aug  7 12:37:16 CEST 
 ixg0 at pci1 dev 0 function 0: Intel(R) PRO/10GbE PCI-Express Network 
 Driver, Version - 2.5.8 - HEAD
 ixg0: clearing prefetchable bit
 ixg0: unable to map BAR0
 ixg0: Allocation of PCI resources failed
 uvm_fault(0xffffffff806eb920, 0x0, 1) -> e
 fatal page fault in supervisor mode
 trap type 6 code 0 rip ffffffff80203902 cs 8 rflags 10246 cr2 40 ilevel 
 8 rsp ffffffff8081d700
 curlwp 0xffffffff806c9e20 pid 0.1 lowest kstack 0xffffffff8081b2c0
 kernel: page fault trap, code=0
 Stopped in pid 0.1 (system) at  netbsd:intr_disestablish+0x14:  movq    
 db{0}> reboot
 and I had to remove the driver from the kernel configuration.
 If it helps, I might be able to come up with a stack trace.

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