At 09:39 PM 10/28/2010, Bjoern A. Zeeb wrote:
On Fri, 29 Oct 2010, Denis Ahrens wrote:
Hi Jack
It seems that I am also victim to some strange bug which is
possibly the fault of the em0 code.
After some research I have seen that you have changed that
code awhile ago which could possibly have fixed my problems
already.
The code changes:
http://lists.freebsd.org/pipermail/svn-src-head/2010-September/020313.html
http://lists.freebsd.org/pipermail/svn-src-head/2010-September/020314.html
http://lists.freebsd.org/pipermail/svn-src-head/2010-September/021027.html
The last one even had an MFC of one week. But it was never committed to
STABLE.
It would be nice if you could commit that so I can update my code and see
if the problem still occurs.
Especially the first two seem to be interesting.
I am testing 7.1.5 on cvsup.sentex.ca, which was locking up the nic
and crashing a few weeks ago under specific loads the box sees on
weekends. Swapping in a bge nic solved the problem. I had changed
out all the other hardware, so I dont think its an issue with the em
nics themselves. I have changed back to the em nic and it will take a
good week to see if it solves that problem or not.
e...@pci0:10:0:0: class=0x020000 card=0x34ec8086
chip=0x10d38086 rev=0x00 hdr=0x00
vendor = 'Intel Corporation'
device = 'Intel 82574L Gigabit Ethernet Controller (82574L)'
class = network
subclass = ethernet
cap 01[c8] = powerspec 2 supports D0 D3 current D0
cap 05[d0] = MSI supports 1 message, 64 bit
cap 10[e0] = PCI-Express 1 endpoint max data 128(256) link x1(x1)
cap 11[a0] = MSI-X supports 5 messages in map 0x1c enabled
ecap 0001[100] = AER 1 0 fatal 0 non-fatal 0 corrected
ecap 0003[140] = Serial 1 001517ffffed68a4
I am also testing the driver on a couple of test motherboards and for
some reason, it does not want to boot RELENG_8 on one of them. The
same hardware boots HEAD. On RELENG_8, the last thing to appear is
em0: <Intel(R) PRO/1000 Network Connection 7.1.6> port 0xf040-0xf05f
mem 0xfe400000-0xfe41ffff,0xfe428000-0xfe428fff irq 20 at device 25.0 on pci0
em0: attempting to allocate 1 MSI vectors (1 supported)
msi: routing MSI IRQ 256 to local APIC 0 vector 50
em0: using IRQ 256 for MSI
em0: Using an MSI interrupt
Its an oddball nic so I am not sure why it on RELENG_8 has issues.
The stock RELENG_8 driver works
e...@pci0:0:25:0: class=0x020000 card=0x00368086
chip=0x10f08086 rev=0x06 hdr=0x00
vendor = 'Intel Corporation'
class = network
subclass = ethernet
cap 01[c8] = powerspec 2 supports D0 D3 current D0
cap 05[d0] = MSI supports 1 message, 64 bit enabled with 1 message
cap 13[e0] = PCI Advanced Features: FLR TP
My problems are looking like this one:
http://lists.freebsd.org/pipermail/freebsd-stable/2010-October/059618.html
My FreeBSD STABLE codebase is from 29. September 2010
I will give it a try. I was able to recreate the issue with the
stock RELENG_8 driver. I will try with the version from HEAD
---Mike
--------------------------------------------------------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, m...@sentex.net
Providing Internet since 1994 www.sentex.net
Cambridge, Ontario Canada www.sentex.net/mike
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