Anything relevant from `echo 't' | sudo tee /proc/sysrq-trigger`? -Ben
On Tue, Sep 08, 2020 at 05:31:22PM +0000, Sebby, Brian A. wrote: > Hi, > > I have a few legacy RHEL 6 servers that are still running an older 1.6.x > series DKMS client, which were recently patched and rebooted. On a couple of > them, access to AFS is now just hanging – and I cannot figure out why. They > have the same kernel release and kernel module as some other systems on the > same network that are working, so it doesn’t look like it would be any sort > of firewall issue. Would anyone have any suggestions on how to debug this? > I don’t know if I can upgrade them to 1.8 since we are trying to keep our > legacy systems fairly static. > > Some information: > > % uname -a > Linux ###### 2.6.32-754.31.1.el6.x86_64 #1 SMP Mon Jun 15 08:08:31 EDT 2020 > x86_64 x86_64 x86_64 GNU/Linux > % rxdebug localhost 7001 -v > Trying 127.0.0.1 (port 7001): > AFS version: OpenAFS 1.6.20.1 built 2020-08-05 > % rxdebug localhost 7001 > Trying 127.0.0.1 (port 7001): > Free packets: 167/179, packet reclaims: 379, calls: 647, used FDs: 64 > not waiting for packets. > 0 calls waiting for a thread > 1 threads are idle > 0 calls have waited for a thread > Connection from host ######, port 7000, Cuid 97239d4d/7cab1088 > serial 77, natMTU 1444, security index 0, client conn > call 0: # 1, state active, mode: receiving, flags: reader_wait, > has_input_packets > call 1: # 0, state not initialized > call 2: # 0, state not initialized > call 3: # 0, state not initialized > Done. > > I don’t see anything in the system log that would point to any particular > issues. > > It looks like it’s gotten some response, but has not processed them. The > symptom is that when you try to go to anything under /afs/<cell>/, it just > hangs – whether doing an ls or trying to read a file, etc. > > > Thanks, > > Brian > > -- > Brian Sebby ([email protected]<mailto:[email protected]>) | Information Technology > Infrastructure > Phone: +1 630.252.9935 | Business Information Services > Cell: +1 630.921.4305 | Argonne National Laboratory > _______________________________________________ OpenAFS-info mailing list [email protected] https://lists.openafs.org/mailman/listinfo/openafs-info
