I was afraid someone would say that :-). I am currently at 3.10.0-862.3.2 and downgrading to a 3.10.0-6xx kernel breaks some of the other packages. Is the mentioned bug documented somewhere? Cheers frank On 07/06/18 06:22, James Peltier wrote: > There was a kernel bug that affected all NFSv4 traffic that we ran into > and we had to downgrade the kernel to and older version > (3.10.0-693.2.2.el7.x86_64) which seemed to help with our NFSv4 issues. > We have not upgraded to a newer kernel to see if the issue has been > resolved. > > > > ------------------------------------------------------------------------ > *From:* CentOS <centos-bounces at centos.org> on behalf of James Pearson > <james-p at moving-picture.com> > *Sent:* June 6, 2018 2:49 PM > *To:* CentOS mailing list; Frank Thommen > *Subject:* Re: [CentOS] Firefox and Thunderbird freeze/crash followed by > "nfs4_reclaim_open_state: Lock reclaim failed!" syslog messages > Frank Thommen wrote: >> >> Hi, >> >> since I updated my workstation from CentOS 7.4 to 7.5, Firefox and >> Thunderbird (both 52.8.0, from CentOS repos) regularly freeze (or crash) >> and cannot be restarted afterwards.? Trying to start them results in a >> "Bus error (core dumped)" (Firefox) and "Killed" (Thunderbird).? The >> system log then shows: >> >>? ???? kernel: NFS: nfs4_reclaim_open_state: Lock reclaim failed! >> >> each time I try to start the applications (our homedirectories are >> mounted via NFS4).? As far as I can see, no other applications are >> affected.? The workstation needs to be rebooted to fix the situation. >> >> Has anyone else seen that or knows how to debug or fix this issue? I >> tried with strace and wireshark w/o finding anything helpful. > > I'm not sure what the el7 default for the Firefox > 'storage.nfs_filesystem' pref is - but you could try setting it to > 'true' to see if that makes a difference ? > > James Pearson > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos