Re: weird instability
Anders Holm <[email protected]>
| Newsgroups | gmane.user-groups.linux.ilug.general |
|---|---|
| Message-ID | <[email protected]> |
dmesg may also show something that may point yo further, be it RAM or other components.... //anders On 29/07/2015 13:20, Rodrigo de Campos wrote: > Hi Harry, > > Sounds like a RAM issue. I understand it's a remote device, but could > anyone run memtest for a while? Most ubuntu CDs will come with a > preloaded version of memtest. The last time I had those issues, that > was basically a flawed RAM stick that I had to switch to a new > working one. > > I would check it before any further troubleshooting. > > Kind Regards, > Rodrigo > > On Wed, Jul 29, 2015 at 9:03 AM, Harry Duncan <[email protected] > <mailto:[email protected]>> wrote: > > Guys, > > Got a weird one that one of you might have seen before. > > desktop pc, corei7, 16gb ram, 64gbSSD and 1TB regular disk, > running xubuntu with xfce desktop environment. > > Users tools are Firefox, Thunderbird, Virtualbox and Eclipse > > barely touches a gig of ram consumption when started up > > root@carmen:/home/carmen# uname -a > Linux carmen 3.13.0-58-generic #97-Ubuntu SMP Wed Jul 8 02:56:50 > UTC 2015 i686 i686 i686 GNU/Linux > > Specifically running 32bit for a particular development task that > requires it, and pae to use more ram if needed. > > The disk layout is: > > root@carmen:/home/carmen# fdisk -l > > Disk /dev/sda: 64.0 GB, 64023257088 bytes > 255 heads, 63 sectors/track, 7783 cylinders, total 125045424 sectors > Units = sectors of 1 * 512 = 512 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0x000c7f0f > > Device Boot Start End Blocks Id System > /dev/sda1 * 2048 2099199 1048576 83 Linux > /dev/sda2 2099200 35653631 16777216 82 Linux swap > / Solaris > /dev/sda3 35653632 125045423 44695896 83 Linux > > Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes > 255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 > <tel:1953525168> sectors > Units = sectors of 1 * 512 = 512 bytes > Sector size (logical/physical): 512 bytes / 4096 bytes > I/O size (minimum/optimal): 4096 bytes / 4096 bytes > Disk identifier: 0x00004e50 > > Device Boot Start End Blocks Id System > /dev/sdb1 2048 62916607 31457280 83 Linux > /dev/sdb2 62916608 1953525167 <tel:1953525167> > 945304280 83 Linux > > > > root@carmen:/home/carmen# mount > /dev/sda3 on / type ext4 (rw,errors=remount-ro) > proc on /proc type proc (rw,noexec,nosuid,nodev) > sysfs on /sys type sysfs (rw,noexec,nosuid,nodev) > none on /sys/fs/cgroup type tmpfs (rw) > none on /sys/fs/fuse/connections type fusectl (rw) > none on /sys/kernel/debug type debugfs (rw) > none on /sys/kernel/security type securityfs (rw) > udev on /dev type devtmpfs (rw,mode=0755) > devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620) > tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755) > none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880) > none on /run/shm type tmpfs (rw,nosuid,nodev) > none on /run/user type tmpfs > (rw,noexec,nosuid,nodev,size=104857600,mode=0755) > none on /sys/fs/pstore type pstore (rw) > /dev/sda1 on /boot type ext2 (rw) > /dev/sdb1 on /var type ext4 (rw) > /dev/sdb2 on /home type ext4 (rw) > binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc > (rw,noexec,nosuid,nodev) > systemd on /sys/fs/cgroup/systemd type cgroup > (rw,noexec,nosuid,nodev,none,name=systemd) > gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse > (rw,nosuid,nodev,user=carmen) > root@carmen:/home/carmen# > > > in summary /boot / and swap on the SSD > /var and /home on the physical disk > > > Problem... on boot up it segfaults on starting every application, > each time getting a little further into the startup sequence, then > eventually the application loads and it runs stable for the > remainder of the session. > > > Today I sym linked /tmp to /var/ttmp in case it was a timing issue > between some files being written to the ssd /tmp faster than > others could be written to the regular drive in /var/tmp > > Doesn't seem to have made any improvement. > > The machine is remote to me, was fine when I was there, but being > a pain since. I am going to try and replicate the setup here with > regular Debian. > > Can anyone spot any obvious flaw in the above approach that might > result in the applications segfaulting as they load until they > sucessfully load once? > > Anyone heard of this before? > > TIA, > > Harry. > -- > Irish Linux Users Group > --- > You received this message because you are subscribed to the Google > Groups "ILUG" group. > To unsubscribe from this group and stop receiving emails from it, > send an email to [email protected] > <mailto:[email protected]>. > To post to this group, send email to [email protected] > <mailto:[email protected]>. > Visit this group at http://groups.google.com/a/linux.ie/group/ilug/. > To view this discussion on the web, visit > https://groups.google.com/a/linux.ie/d/msgid/ilug/CAHAPYVCgNdcGamjMJQZ_7-5V%2B29%2Bqt%2BW2eBDES2VY4X__Yjnrg%40mail.gmail.com > <https://groups.google.com/a/linux.ie/d/msgid/ilug/CAHAPYVCgNdcGamjMJQZ_7-5V%2B29%2Bqt%2BW2eBDES2VY4X__Yjnrg%40mail.gmail.com?utm_medium=email&utm_source=footer>. > > > > > -- > Rodrigo de Campos > -- > Irish Linux Users Group > --- > You received this message because you are subscribed to the Google > Groups "ILUG" group. > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected] <mailto:[email protected]>. > To post to this group, send email to [email protected] <mailto:[email protected]>. > Visit this group at http://groups.google.com/a/linux.ie/group/ilug/. > To view this discussion on the web, visit > https://groups.google.com/a/linux.ie/d/msgid/ilug/CAPH5xVQp3gZGEx3WY8KRnSW5WQfHGQ8kV-pnGivrJp9028xKYQ%40mail.gmail.com > <https://groups.google.com/a/linux.ie/d/msgid/ilug/CAPH5xVQp3gZGEx3WY8KRnSW5WQfHGQ8kV-pnGivrJp9028xKYQ%40mail.gmail.com?utm_medium=email&utm_source=footer>. -- Irish Linux Users Group --- You received this message because you are subscribed to the Google Groups "ILUG" group. 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