{"id":1370,"date":"2019-12-25T13:07:15","date_gmt":"2019-12-25T10:07:15","guid":{"rendered":"https:\/\/galaxydata.ru\/community\/?p=1370"},"modified":"2025-07-22T19:08:02","modified_gmt":"2025-07-22T16:08:02","slug":"kipmi0-ipmi_si-could-not-open-device-at-dev-ipmi0","status":"publish","type":"post","link":"https:\/\/galaxydata.ru\/community\/kipmi0-ipmi_si-could-not-open-device-at-dev-ipmi0-1370","title":{"rendered":"kipmi0 ipmi_si Could not open device at \/dev\/ipmi0"},"content":{"rendered":"

Could not open device at \/dev\/ipmi0 or \/dev\/ipmi\/0 or \/dev\/ipmidev\/0: No such file or directory<\/p>\n

There is a fix for it. Even when included directly into the kernel, the ipmi_si driver supports hot adding and removing of interfaces. This way, interfaces can be added or removed after the kernel is up and running. This is done using \/sys\/modules\/ipmi_si\/parameters\/hotmod, which is a write-only parameter.<\/p>\n

What we’ve done is to get the IPMI interface parameters from \/proc\/ipmi\/0\/params,
\nhot remove the interface using<\/p>\n

echo \"remove,\" > \/sys\/modules\/ipmi_si\/parameters\/hotmod<\/pre>\n
and then re-add the interface using<\/p>\n
echo \"add,\" > \/sys\/modules\/ipmi_si\/parameters\/hotmod<\/pre>\n
The remove operation takes between 8 and 27 minutes. The kipmi0 thread gets cleaned up immediately, but the interface is actually removed only after the 8-27 minutes delay. This solution doesn’t require a BMC cold reset.<\/p>\n
https:\/\/www.supermicro.com\/support\/faqs\/faq.cfm?faq=18047<\/p>\n","protected":false},"excerpt":{"rendered":"
Could not open device at \/dev\/ipmi0 or \/dev\/ipmi\/0 or \/dev\/ipmidev\/0: No such file or directory There is a fix for it. Even when included directly into the kernel, the ipmi_si… <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[181,6],"tags":[],"class_list":["post-1370","post","type-post","status-publish","format-standard","hentry","category-hardware","category-linux"],"yoast_head":"\nkipmi0 ipmi_si Could not open device at \/dev\/ipmi0 - GalaxyData Community<\/title>\n<meta name=\"description\" content=\"Resolve the kipmi0 error by checking driver installation and permissions. 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