> -----Original Message----- > From: nborisov [mailto:n.borisov.l...@gmail.com] > Sent: Friday, June 24, 2016 10:07 AM > To: Steve Wise; linux-kernel@vger.kernel.org > Subject: Re: vmcore not getting created on linux-4.7 > > > > On 24.06.2016 17:45, Steve Wise wrote: > > I've been trying to get crash dumps working on linux-4.7 and haven't succeeded. > > The kdump kernel boots up and appears to be chugging along and then just > reboots > > and never creates the vmcore, and fails to create the vmcore-dmesg.txt, though > > I've never seen that working on my nodes. Below is the tail of the boot. > > > > Any ideas? > > > > Saving to the local filesystem UUID=f63753d9-74a5-4db8-9b63-2fc1ba2b5f85 > > e2fsck 1.42.12.wc1 (15-Sep-2014) > > /dev/sda2: recovering journal > > Setting free inodes count to 3490861 (was 3490926) > > Setting freeEXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: > > blocks count to 7307269 (was 7307159) > > /dev/sda2: clean, 678867/4169728 files, 9358331/16665600 blocks > > Free memory/Total memory (free %): 45936 / 112096 ( 40.9792 ) > > Loading SELINUX policy > > SELinux: Disabled at runtime. > > audit: type=1404 audit(1466753867.960:2): selinux=0 auid=4294967295 > > ses=4294967295 > > Policy load failed, a relabel will be required on reboot > > Saving vmcore-dmesg.txhpet1: lost 88 rtc interrupts > > t > > Missing the struct log size export > > Saving vmcore-dmesg.txt failed > > Regarding the vmcore-dmesg failed, it's likely you are hitting this issue: > > http://lists.infradead.org/pipermail/kexec/2012-July/006602.html > > Can you try to download an compile the latest kexec tools from > git://git.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git >
I did build/install kexec-tools-2.0.12. > Also what's the content of your /etc/kdump.conf file? > #raw /dev/sda5 #ext4 /dev/sda3 #ext4 LABEL=/boot #ext4 UUID=03138356-5e61-4ab3-b58e-27507ac41937 #net my.server.com:/export/tmp #net u...@my.server.com path /var/crash #ext4 /dev/nvme0n1 core_collector makedumpfile -c --message-level 1 -d 31 #core_collector makedumpfile -c --message-level 1 -d 17 #core_collector scp #core_collector cp --sparse=always #extra_bins /bin/cp #link_delay 60 #kdump_post /var/crash/scripts/kdump-post.sh #extra_bins /usr/bin/lftp #disk_timeout 30 #extra_modules gfs2 #options modulename options #default shell #debug_mem_level 0 #force_rebuild 1 #sshkey /root/.ssh/kdump_id_rsa
