I had a similar situation in our college lab. I think it is fedora core 6 problem and I didn't us a firewall. Ubuntu server worked fine.
On 4/24/07, sunil dwivedi <[EMAIL PROTECTED]> wrote: > > Just switch off linux firewall. any try > > ----- Original Message ---- > From: Cheedhu <[EMAIL PROTECTED] <i_cheedhu%40yahoo.co.in>> > To: [email protected] <ilughyd%40yahoogroups.com> > Sent: Tuesday, 24 April, 2007 5:31:57 PM > Subject: [TwinCLinG] I/O error on device-mapper RAID1 device > > Hi > > I have a server running on the following config > DELL PowerEdge SC1425, Xeon 3.00 GHz, 2GB RAM, 2x73GB SCSI HDD on > RAID 1 > Fedora Core 6, Kernel Kernel 2.6.18-1.2798. fc6 x86_64 SMP > > The server was not responding though it was pingable! > no response to any service. > Even SSH was not connecting! > unable to login even from the console so I could not get much details > following is all that I could get! > > ~~~~~~~~~~~~ ~~~~~~~~~ ~~~~~~~~~ ~~~~~~~~~ ~~~~~~~~~ ~~~~~~~~~ ~~~~~~~~~ > ~~~~ > I/O error, dev sdb, sector 87524995 > device-mapper: raid1: A read failure occured on a mirror device. > device-mapper: raid1: Trying different device. Unable to handle > kernel NULL pointer dereference at 000000000000000 RIP > ---kernel stack trace but unable to copy it----- > ~~~~~~~~~~~~ ~~~~~~~~~ ~~~~~~~~~ ~~~~~~~~~ ~~~~~~~~~ ~~~~~~~~~ ~~~~~~~~~ > ~~~~ > > google search indicated that this was from read_callback( ) function > in device-mapper ioctl > The server is working after a reboot > > what could have caused this? > and any suggestions of how this could be prevented? > > - 2 > New > Members<http://groups.yahoo.com/group/ilughyd/members;_ylc=X3oDMTJmbTJoMzJiBF9TAzk3MzU5NzE0BGdycElkAzEzNDMwNTgEZ3Jwc3BJZAMxNzA1MDA2NTgwBHNlYwN2dGwEc2xrA3ZtYnJzBHN0aW1lAzExNzc0MjIzOTA-> > > Visit Your Group > <http://groups.yahoo.com/group/ilughyd;_ylc=X3oDMTJlcW5tbHQyBF9TAzk3MzU5NzE0BGdycElkAzEzNDMwNTgEZ3Jwc3BJZAMxNzA1MDA2NTgwBHNlYwN2dGwEc2xrA3ZnaHAEc3RpbWUDMTE3NzQyMjM5MA--> > SPONSORED LINKS > > - > Linux<http://groups.yahoo.com/gads;_ylc=X3oDMTJjcGRhcmMxBF9TAzk3MzU5NzE0BF9wAzEEZ3JwSWQDMTM0MzA1OARncnBzcElkAzE3MDUwMDY1ODAEc2VjA3NsbW9kBHN0aW1lAzExNzc0MjIzOTA-?t=ms&k=Linux&w1=Linux&w2=Unix+system+administrator+job&w3=Job+offer&w4=Linux+jobs&w5=Unix+jobs&c=5&s=92&g=2&.sig=MwiuidcfYuUylhLvwiLUgw> > - Unix system administrator > job<http://groups.yahoo.com/gads;_ylc=X3oDMTJjOG9pZXVlBF9TAzk3MzU5NzE0BF9wAzIEZ3JwSWQDMTM0MzA1OARncnBzcElkAzE3MDUwMDY1ODAEc2VjA3NsbW9kBHN0aW1lAzExNzc0MjIzOTA-?t=ms&k=Unix+system+administrator+job&w1=Linux&w2=Unix+system+administrator+job&w3=Job+offer&w4=Linux+jobs&w5=Unix+jobs&c=5&s=92&g=2&.sig=iREO1fmY0yayNNGSK3PI3Q> > - Job > offer<http://groups.yahoo.com/gads;_ylc=X3oDMTJjdHNncG83BF9TAzk3MzU5NzE0BF9wAzMEZ3JwSWQDMTM0MzA1OARncnBzcElkAzE3MDUwMDY1ODAEc2VjA3NsbW9kBHN0aW1lAzExNzc0MjIzOTA-?t=ms&k=Job+offer&w1=Linux&w2=Unix+system+administrator+job&w3=Job+offer&w4=Linux+jobs&w5=Unix+jobs&c=5&s=92&g=2&.sig=QlTCBg6axRc3uro0VE_mIw> > - Linux > jobs<http://groups.yahoo.com/gads;_ylc=X3oDMTJjZWF1c2Q4BF9TAzk3MzU5NzE0BF9wAzQEZ3JwSWQDMTM0MzA1OARncnBzcElkAzE3MDUwMDY1ODAEc2VjA3NsbW9kBHN0aW1lAzExNzc0MjIzOTA-?t=ms&k=Linux+jobs&w1=Linux&w2=Unix+system+administrator+job&w3=Job+offer&w4=Linux+jobs&w5=Unix+jobs&c=5&s=92&g=2&.sig=eSfAzuMPQSIxJedjwK5ftg> > - Unix > jobs<http://groups.yahoo.com/gads;_ylc=X3oDMTJja21rY3VrBF9TAzk3MzU5NzE0BF9wAzUEZ3JwSWQDMTM0MzA1OARncnBzcElkAzE3MDUwMDY1ODAEc2VjA3NsbW9kBHN0aW1lAzExNzc0MjIzOTA-?t=ms&k=Unix+jobs&w1=Linux&w2=Unix+system+administrator+job&w3=Job+offer&w4=Linux+jobs&w5=Unix+jobs&c=5&s=92&g=2&.sig=4TD9WeFp1OBrdQGKSMHEzw> > > Search Ads > > Get new > customers.<http://us.ard.yahoo.com/SIG=12ir28iqs/M=493064.9803227.10510220.8674578/D=groups/S=1705006580:NC/Y=YAHOO/EXP=1177429590/A=3848641/R=0/SIG=1312g85fq/*http://searchmarketing.yahoo.com/arp/srchv2.php?o=US2003&cmp=Yahoo&ctv=Groups2&s=Y&s2=&s3=&b=50> > > List your web site > > in Yahoo! Search. > Y! Toolbar > > Get it > Free!<http://us.lrd.yahoo.com/_ylc=X3oDMTJvZ3RoZWE3BF9TAzk3MzU5NzE0BF9wAzIEZ3JwSWQDMTM0MzA1OARncnBzcElkAzE3MDUwMDY1ODAEc2VjA25jbW9kBHNsawN0b29sYmFyBHN0aW1lAzExNzc0MjIzOTA-;_ylg=1/SIG=11c6dvmk9/**http%3A//toolbar.yahoo.com/%3F.cpdl=ygrps> > > easy 1-click access > > to your groups. > Yahoo! Groups > > Start a > group<http://groups.yahoo.com/start;_ylc=X3oDMTJvdXZrdWh1BF9TAzk3MzU5NzE0BF9wAzMEZ3JwSWQDMTM0MzA1OARncnBzcElkAzE3MDUwMDY1ODAEc2VjA25jbW9kBHNsawNncm91cHMyBHN0aW1lAzExNzc0MjIzOTA-> > > in 3 easy steps. > > Connect with others. > . > > > -- visit linux cd & dvd store at http://linuxdvdsale.tripod.com [Non-text portions of this message have been removed]
