{"id":412,"date":"2013-05-06T22:37:43","date_gmt":"2013-05-06T20:37:43","guid":{"rendered":"http:\/\/bergs.biz\/blog\/?p=412"},"modified":"2013-05-06T22:38:15","modified_gmt":"2013-05-06T20:38:15","slug":"issues-in-ubuntu-13-04-after-machine-froze","status":"publish","type":"post","link":"https:\/\/bergs.biz\/blog\/2013\/05\/06\/issues-in-ubuntu-13-04-after-machine-froze\/","title":{"rendered":"Issues in Ubuntu 13.04 after machine froze…"},"content":{"rendered":"

I recently upgraded from Ubuntu 12.10 to 13.04, and everything seemed to be extremely smooth and painless.<\/p>\n

However, a day or two later I suddenly noticed that the fan of my Ubuntu laptop (a Dell Latitude D630) was blowing like hell — the machine had stalled, I couldn’t wake up the desktop again, the screen remained black… I think the hang occurred after I had installed the first updates after upgrading to 13.04… Anyway, I had to hard-reboot the box… And this is when the trouble started… \ud83d\ude41<\/p>\n

Dunno what exactly happened, but the first thing I noticed was boot issues, something like “Cannot mount \/boot; ext2: no such filesystem” or something close to that. And indeed the kernel in Ubuntu 13.04 seems to lack support for that admittedly ancient filesystem (cat \/proc\/filesystems). I fixed that by creating a journal on my \/boot filesystem as follows (obviously if you have similar issues, you need to substitute your actual UUID in the command below), thereby migrating the filesystem to ext3:<\/p>\n

sudo tune2fs -j UUID=b8ad9dbd-a514-46c8-86af-d2a9cafe3d0c<\/pre>\n
I also had to update \/etc\/fstab accordingly, of course:<\/p>\n
UUID=b8ad9dbd-a514-46c8-86af-d2a9cafe3d0c \/boot\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ext3\u00a0\u00a0\u00a0 defaults\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2<\/pre>\n
Next thing I noticed that a couple of devices suddenly didn’t work: The touchpad, the touchpoint, my WiFi interface, etc. I quickly found out that obviously the modules required to support the devices weren’t loaded, and it was due to missing\/broken modules dependencies. The following file which keeps those dependencies<\/p>\n
\/lib\/modules\/3.8.0-19-generic\/modules.dep.bin<\/pre>\n
was truncated (size of 0 bytes).<\/p>\n
So I removed it and recreated it by<\/p>\n
sudo depmod -a<\/pre>\n
After I rebooted everything seemed to be fine again.<\/p>\n
I hope that this concludes my negative experiences with 13.04, and that the laptop will runs as rock solid again as it used to be under 12.10.<\/p>\n","protected":false},"excerpt":{"rendered":"
How I fixed a boot problem and another one with hardware suddenly not being supported any longer which both occurred after a crash of my laptop.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[],"class_list":["post-412","post","type-post","status-publish","format-standard","hentry","category-ubuntu"],"yoast_head":"\nIssues in Ubuntu 13.04 after machine froze... - Ralf's Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bergs.biz\/blog\/2013\/05\/06\/issues-in-ubuntu-13-04-after-machine-froze\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Issues in Ubuntu 13.04 after machine froze... - Ralf's Blog\" \/>\n<meta property=\"og:description\" content=\"How I fixed a boot problem and another one with hardware suddenly not being supported any longer which both occurred after a crash of my laptop.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/bergs.biz\/blog\/2013\/05\/06\/issues-in-ubuntu-13-04-after-machine-froze\/\" \/>\n<meta property=\"og:site_name\" content=\"Ralf's Blog\" \/>\n<meta property=\"article:published_time\" content=\"2013-05-06T20:37:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2013-05-06T20:38:15+00:00\" \/>\n<meta name=\"author\" content=\"Ralf Bergs\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ralfbergs\" \/>\n<meta name=\"twitter:site\" content=\"@ralfbergs\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ralf Bergs\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/bergs.biz\\\/blog\\\/2013\\\/05\\\/06\\\/issues-in-ubuntu-13-04-after-machine-froze\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/bergs.biz\\\/blog\\\/2013\\\/05\\\/06\\\/issues-in-ubuntu-13-04-after-machine-froze\\\/\"},\"author\":{\"name\":\"Ralf Bergs\",\"@id\":\"https:\\\/\\\/bergs.biz\\\/blog\\\/#\\\/schema\\\/person\\\/354e37390b493c875f972bd313d29201\"},\"headline\":\"Issues in Ubuntu 13.04 after machine froze…\",\"datePublished\":\"2013-05-06T20:37:43+00:00\",\"dateModified\":\"2013-05-06T20:38:15+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/bergs.biz\\\/blog\\\/2013\\\/05\\\/06\\\/issues-in-ubuntu-13-04-after-machine-froze\\\/\"},\"wordCount\":283,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/bergs.biz\\\/blog\\\/#\\\/schema\\\/person\\\/354e37390b493c875f972bd313d29201\"},\"articleSection\":[\"Ubuntu\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/bergs.biz\\\/blog\\\/2013\\\/05\\\/06\\\/issues-in-ubuntu-13-04-after-machine-froze\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/bergs.biz\\\/blog\\\/2013\\\/05\\\/06\\\/issues-in-ubuntu-13-04-after-machine-froze\\\/\",\"url\":\"https:\\\/\\\/bergs.biz\\\/blog\\\/2013\\\/05\\\/06\\\/issues-in-ubuntu-13-04-after-machine-froze\\\/\",\"name\":\"Issues in Ubuntu 13.04 after machine froze... - 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