ASPEED AST2300 LINUX DRIVER
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The first is a common layer meta-openbmc that defines all of the packages used in OpenBMC.
OpenBMC, a distribution for baseboard management controllers []
You zst2300 contributed to the discussion. The Yocto build includes three layers. I'd feel a lot safer administering servers via BMC if I knew that the BMC's software was open and easily updated with security patches.
Then you could run your distribution of preference on your BMC too. Posted Apr 13, 4: The music fan in me is mildly disappointed, however, that they didn't call the project "Run-BMC". I have a server km away whose BMC is hung and cannot be restarted even with a hard reboot command from ipmitool.
Posted Apr 13, Whether that's done in by an RT kernel or multi-user, pre-emptive multitasking kernel is something I wanted to leave open for someone else to say what and why they chose that option. The BMC is connected to most of the standard buses on the motherboard, so it can monitor temperature and fan sensors, storage devices and expansion cards, and even access the network through its own virtual network interface that includes a separate MAC address.
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Posted Apr 12, He showed several example recipes which are available in the session slides [PDF]including a GPIO configuration, an lm-sensors configuration, and a libpal example. If this mattered and I'd dug in for a fight behind a contrary opinion, the response didn't cite anything convincing beyond some notion of 'good engineering' -- but the tone isn't likeable and won't win me to the responder's cause.
Vendor board-support packages, he said, typically focus only on board bring-up, while thousands of machines running different workloads encounter a wide variety of bugs.
Posted Apr 14, Please consider signing up for a subscription and helping to keep LWN publishing. The session ended with a brief question-and-answer period.
On top of that comes a general BMC layer that enables the bootloader, C library, and kernel recipes for a particular SoC vendor at present, meta-aspeed. Usually we think this is a net positive but I'm not always so sure, I've seen plenty attempts at HA actually cause more outages than they ever prevented, and one of the goals of IPMI is to increase service uptime by allowing you to reboot servers quickly when the OS fails. It may only be a start, and only support one BMC vendor, but that itself is still noteworthy progress in comparison to the unappealing security and software-freedom issues that plague so many systems via the IPMI framework.
You can keep the 'good engineering' if it only has anecdotes about response times -- i.
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Posted Apr 15, There would no doubt be some nice support contracts for something like this if a company kept it all up to date with the latest security exploits. The next step is open software to interface with OpenBMC to do things like rack-level power management.
That's a stretch, expecially when I intended to convey other meanings, including things like under-committing resources to ensure spare overhead. He also said that Facebook has started work on a BMC development board that will hopefully serve as a low-cost entry point for interested developers. But BMCs almost invariably ship with a proprietary IPMI implementation in binary-blob form though, in most cases, that blob is running on Linuxwhich is limited in functionality to what the vendor chooses.
OpenBMC, a distribution for baseboard management controllers
I wonder how hard it would be to pull in the openbmc layer? It was first deployed in with the Wedgea "top-of-rack network switch" design from OCP, although Fang noted that, from a design standpoint, the team looked at the switch as "just another server.
I'm going to have to power that sucker down by physically unplugging the power cords and hope the BMC comes back, and I can't do that until I schedule a visit to the data centre. Most server vendors, Fang said at the start of his talk, provide their own BMCs.
Posted Apr 14, 1: Posted Apr 13, 6: This behaviour is unwelcome -- and your forceful response probably means you've suffered in learning this knowledge, so I'm sorry to hear your pain but: Posted Apr 26, 8: OpenBMC, a distribution awpeed baseboard management controllers.
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