Messages in this thread | | | From | Kevin Fenzi <> | Date | Mon, 20 Apr 1998 20:32:50 -0600 (MDT) | Subject | crash and tcp messages [2.1.96] |
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Two items:
1. I had a crash a few days ago...I was copying a 600+ meg directory tree from a IDE drive over to a SCSI drive. I was using: tar cvf - | ( cd /otherdir/on/scsi/drive; tar xf -)
Machine got about 200meg into the transfer and appeared to lock. I was able to use Magic SysRq to reboot. The only thing in my logs after I came back up was:
Apr 18 14:18:54 jelerak kernel: SCSI disk error : host 0 channel 0 id 4 lun 0 return code = 2505007f Apr 18 14:18:54 jelerak kernel: scsidisk I/O error: dev 08:11, sector 354920
after I came back up, I removed the partial tree and did: cp -r /old/ide/dir /new/scsi/dir and it worked fine.
2. I have some tcp debug message in my dmesg output:
I know davem has commented on the bad checksum errors before being likely due to bad vj compression. I am on the net via a Symplex ISDN router and dont see any problems. Would I see these errors with bad vj on the other side of the connection? Also, why are they in reverse order (ie, my machine, the "to" is really 207.174.18.194, not the reverse).
I have never seen the icmp messages before.
My config:
Tyan tempest II with 2 p166's in it. 2.1.96 + alan cox'es fix for the latest tcp DOS attack.
TCPv4 bad checksum from 144.2.68.209:0050 to 194.18.174.207:04b0, len=1480/1480/1500 TCPv4 bad checksum from 101.46.28.206:05db to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 101.46.28.206:05db to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 101.46.28.206:05db to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 101.46.28.206:05db to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 101.46.28.206:05db to 194.18.174.207:0050, len=20/20/40 icmp packet outside the tcp window: s:11 4225343495,4225343531,4225343532 icmp packet outside the tcp window: s:11 4225343495,4225343531,4225343532 icmp packet outside the tcp window: s:11 4225343495,4225343531,4225343532 icmp packet outside the tcp window: s:11 4225343495,4225343531,4225343532 icmp packet outside the tcp window: s:11 4225343495,4225343531,4225343532 icmp packet outside the tcp window: s:11 4225343495,4225343531,4225343532 icmp packet outside the tcp window: s:11 4225343495,4225343531,4225343532 icmp packet outside the tcp window: s:11 4225343495,4225343531,4225343532 icmp packet outside the tcp window: s:11 4225343495,4225343531,4225343532 icmp packet outside the tcp window: s:11 4225343495,4225343531,4225343532 icmp packet outside the tcp window: s:11 4225343495,4225343531,4225343532 TCPv4 bad checksum from 199.231.42.194:0a2a to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 199.231.42.194:0a2a to 194.18.174.207:0050, len=20/20/40 icmp packet outside the tcp window: s:11 4225343495,4225343531,4225343532 TCPv4 bad checksum from 212.79.100.32:064b to 194.18.174.207:0050, len=309/309/329 TCPv4 bad checksum from 212.79.100.32:064a to 194.18.174.207:0050, len=311/311/331 icmp packet outside the tcp window: s:11 3085083754,3085084010,3085084011 TCPv4 bad checksum from 55.38.177.142:06e0 to 194.18.174.207:0050, len=253/253/273 TCPv4 bad checksum from 139.80.100.32:049f to 194.18.174.207:0050, len=249/249/269 TCPv4 bad checksum from 139.80.100.32:04bd to 194.18.174.207:0050, len=252/252/272 TCPv4 bad checksum from 139.80.100.32:04cc to 194.18.174.207:0050, len=270/270/290 TCPv4 bad checksum from 139.80.100.32:04dc to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 139.80.100.32:04dc to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 139.80.100.32:04dc to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 139.80.100.32:04dc to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 139.80.100.32:04db to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 139.80.100.32:04db to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 139.80.100.32:04db to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 139.80.100.32:04db to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 139.80.100.32:04db to 194.18.174.207:0050, len=20/20/40 TCPv4 bad checksum from 139.80.100.32:04dc to 194.18.174.207:0050, len=284/284/304 icmp packet outside the tcp window: s:4 4290766493,4290776493,4290778847 icmp packet outside the tcp window: s:4 4290766493,4290776493,4290778847 TCPv4 bad checksum from 206.50.11.195:0677 to 194.18.174.207:0050, len=216/216/236 TCPv4 bad checksum from 232.209.152.158:0671 to 194.18.174.207:0050, len=447/447/467 TCPv4 bad checksum from 5.124.3.206:6b4f to 194.18.174.207:0050, len=20/20/40 icmp packet outside the tcp window: s:1 4058062142,4058063602,4058072362
kevin
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