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Re: Using multiple interfaces (3+) causes intermittent system freezes on NetBSD 5.1_STABLE and later... [was: NetBSD 5 partly freezing, may be related to 802.1Q]
- To: Greg Troxel <gdt%ir.bbn.com@localhost>
- Subject: Re: Using multiple interfaces (3+) causes intermittent system freezes on NetBSD 5.1_STABLE and later... [was: NetBSD 5 partly freezing, may be related to 802.1Q]
- From: Fredrik Pettai <pettai%nordu.net@localhost>
- Date: Thu, 15 Nov 2012 14:47:38 +0100
On Aug 15, 2012, at 13:55 , Greg Troxel wrote:
> Fredrik Pettai <pettai%nordu.net@localhost> writes:
> [system with 3 NICs freezes, may be vlan, ??]
>> I haven't found any suitable PR for this problem, so maybe you or I
>> should file one?
>> The sad thing is that we can't get any valuable debugging information,
>> as the system becomes unresponsive...
> I know of two problems, and likely neither is the one you are having:
> On four-port wm cards, there is some sort of pci-pci bridge (to two
> dual wm chips), and netbsd-5 and netbsd-6 both (as of early 2012) fail
> to cope, causing some sort of inscrutable hard lockup. This is not
> about having 4 wm interfaces; it's specifically about the quad-port
> PCI-E cards with a PCI-PCI bridge and 2 chips, each of which is a
> 2-function PCI device.
Yes, and I found your old thread about this issue that we also are experiencing:
BTW did Joerg's suggestion to use AMD64 with PHYSMEM_MAX_ADDR=3500 help?
I can't find a PR on this issue. Shouldn't we create one?
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