Thanks Marion for the pointers, I also figured it looks like a interrupt problem (back in MSDOS times "kicking" the computer hung in a game by moving a mouse could unhang it ;) )
However, now that I've checked, I don't see rge sharing an IRQ vector with anything. It is of an MSI type currently bound to CPU1 (and a pcieb is bound to CPU0 being the only other MSI interrupt); I wonder if the CPU binding matters for this bug, and if it can be controlled to test. The only shared interrupts I see are two ehci driver instances on one IRQ and three ohci instances on another. Also, this is not an NVidia box but an AMD/ATI one (with the integrated APU = CPU+GPU). I've had a boot after my email where again I worked for hours and intensively used the net without problems; then I had boots where net hung upon IOs (i.e. I could start an "scp" session from another machine and authenticate with a password, but the actual file copy hung it), and currently the link is down right from the bootup... Thanks for more ideas, //Jim 2012-09-27 6:50, Marion Hakanson wrote:
[email protected] said:. . . Ultimately, after about one hour of such intermittent work with no actual usage on my behalf, the LAN interface went down and did not come back up until a full reboot (I did not try fastboot though). I have no idea if this will be reproducible :) . . .I wonder if this is similar to something I've seen, which I think was eventually categorized as an interrupt-sharing problem. On my systems, the graphics locked up, along with USB mouse, and on one of them an internal disk interface also had timeouts during the "freeze". All the affected devices were sharing the same IRQ. You can see what OI thinks your laptop is doing, interrupt-wise, via: echo "::interrupts -d" | mdb -k I'm not sure how one can fix it. I was able to disable enough USB ports in the BIOS on one machine to alleviate the IRQ-sharing, and the problem stopped happening there. Here's the (closed) bug report: https://www.illumos.org/issues/1625 Regards, Marion
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