Re: Debian sid - kernel modules do not compile - too many open files
On 20/06/14 22:43, MRH wrote: Hi, Sorry - a bit long perhaps. But I have no idea what has happened and how should I fix the problem in a 'proper' way. The story: Recently I noticed a weird problem. I'm not sure when it has happened, but since some time the kernel modules do not compile / initramfs do not update on kernel update. The first symptom was that after installing linux-image-3.14...-amd64 the system did not boot. Well, it boots when I select the previous kernel. At the time I thought it's systemd related - perhaps I miss some libraries, after all it's sid. But today I tried running virtualbox - first time since a while - and it did not start - it could not build kernel module. After short investigation I found the reason: lots of errors: ERROR: failed to load symbols from /lib/modules/ too many open files Tried to google it out - no success initially, then I found that the open file limits might be an issue: $ ulimit -a ... open files (-n) 1024 ... I decided to give it a chance and increase it: # ulimit -Sn 4096 Now the module has built, I have reinstalled the kernel 3.14 - t has updated the initramfs correctly this time. Now the question - WHY did it happen? Previously everything has been working OK. So either the file limit has changed or more files are being opened. Or something else. Any ideas? How should I fix it? I considered increasing the open file limit with pam: /etc/security/limits.conf *softnofile4096 however I'm not sure if that's the right thing to do. And what is a 'reasonable' value? *BUMP* Any thoughts, please? Kind regards, Michal -- Michal R. Hoffmann -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/53af37d9.3020...@o2.pl
Debian sid - kernel modules do not compile - too many open files
Hi, Sorry - a bit long perhaps. But I have no idea what has happened and how should I fix the problem in a 'proper' way. The story: Recently I noticed a weird problem. I'm not sure when it has happened, but since some time the kernel modules do not compile / initramfs do not update on kernel update. The first symptom was that after installing linux-image-3.14...-amd64 the system did not boot. Well, it boots when I select the previous kernel. At the time I thought it's systemd related - perhaps I miss some libraries, after all it's sid. But today I tried running virtualbox - first time since a while - and it did not start - it could not build kernel module. After short investigation I found the reason: lots of errors: ERROR: failed to load symbols from /lib/modules/ too many open files Tried to google it out - no success initially, then I found that the open file limits might be an issue: $ ulimit -a ... open files (-n) 1024 ... I decided to give it a chance and increase it: # ulimit -Sn 4096 Now the module has built, I have reinstalled the kernel 3.14 - t has updated the initramfs correctly this time. Now the question - WHY did it happen? Previously everything has been working OK. So either the file limit has changed or more files are being opened. Or something else. Any ideas? How should I fix it? I considered increasing the open file limit with pam: /etc/security/limits.conf * softnofile 4096 however I'm not sure if that's the right thing to do. And what is a 'reasonable' value? Kind regards, Michal -- Michal R. Hoffmann -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/53a4ab00.3050...@o2.pl
