Millions of “shrink_slab: ext4_es_scan+0x0/0x130 [ext4] negative objects to delete nr=-2147483358”

On two machines we have a reoccurring problem where the root filesystem gets 100% full because of /var/log/messages filling up with millions of messages as shown below. We have many other machines with the identical HW/SW configuration, but only two are showing this problem. Of course, when the root file system is 100% full other…

Emails are getting temporarily suspended from yahoo and yahoo doesn’t give a damn

I have 4000 awaiting emails to yahoo in my mail queue all looking like these: (delivery temporarily suspended: lost connection with mta7.am0.yahoodns.net[98.136.96.91] while sending RCPT TO) elfo_arya@yahoo.com D0C9B29E4F 15392 Sun Dec 15 19:31:15 nobody@arsacia.ir (delivery temporarily suspended: lost connection with mta7.am0.yahoodns.net[98.136.96.77] while sending RCPT TO) hamid.g1380@yahoo.com D326520AA2 15301 Sun Dec 15 10:18:40 nobody@arsacia.ir (delivery temporarily…