Hello,
I do not know when this started, but I was seen these entries in dmesg from last Monday to the Saturday (Sep 25): ... [209102.731313] smtpd[15461] general protection ip:7fa6ffc4bbf3 sp:7fff29a45fe0 error:0 in libdigestmd5.so.2.0.22[7fa6ffc45000+b000] [209102.895322] smtpd[15464] general protection ip:7fd48d8e6bf3 sp:7fff05dd98f0 error:0 in libdigestmd5.so.2.0.22[7fd48d8e0000+b000] [209103.071869] smtpd[15460] general protection ip:7fee8ba44bf3 sp:7fff85ac0a90 error:0 in libdigestmd5.so.2.0.22[7fee8ba3e000+b000] [209103.251621] smtpd[15465] general protection ip:7f5930f48bf3 sp:7fff319048e0 error:0 in libdigestmd5.so.2.0.22[7f5930f42000+b000] [209106.588699] smtpd[15257] general protection ip:7f170e7eabf3 sp:7fff80a0d280 error:0 in libdigestmd5.so.2.0.22[7f170e7e4000+b000] [209107.654911] smtpd[15550] general protection ip:7f8747d7ebf3 sp:7fff2c787d00 error:0 in libdigestmd5.so.2.0.22[7f8747d78000+b000] [209107.872113] smtpd[15546] general protection ip:7fb981222bf3 sp:7fff92a2fd70 error:0 in libdigestmd5.so.2.0.22[7fb98121c000+b000] [209172.485900] smtpd[15598] general protection ip:7fc4dc0a6bf3 sp:7fff834390e0 error:0 in libdigestmd5.so.2.0.22[7fc4dc0a0000+b000] [209173.181103] smtpd[15600] general protection ip:7f20ed7f8bf3 sp:7fffbacb6270 error:0 in libdigestmd5.so.2.0.22[7f20ed7f2000+b000] The last entry was this: Sep 25 19:10:26 mail kernel: [209173.181103] smtpd[15600] general protection ip:7f20ed7f8bf3 sp:7fffbacb6270 error:0 in libdigestmd5.so.2.0.22[7f20ed7f2000+b000] And this message stops to appear since then. What can be happening here? My system is: Debian Lenny whit kernel: Linux mail 2.6.26-2-amd64 #1 SMP Thu Sep 16 15:56:38 UTC 2010 x86_64 GNU/Linux Postfix: mail_version = 2.5.5 # dpkg -L libsasl2-modules | grep md5 /usr/lib/sasl2/libcrammd5.a /usr/lib/sasl2/libcrammd5.la /usr/lib/sasl2/libcrammd5.so.2.0.22 /usr/lib/sasl2/libdigestmd5.a /usr/lib/sasl2/libdigestmd5.la /usr/lib/sasl2/libdigestmd5.so.2.0.22 /usr/lib/sasl2/libdigestmd5.so.2 /usr/lib/sasl2/libdigestmd5.so /usr/lib/sasl2/libcrammd5.so.2 /usr/lib/sasl2/libcrammd5.so # Thanks in advance. Saludos. Pablo.