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