[CentOS] [CentOS 6] Possible bug in updating glibc?

[Leam Hall]

Hey all, not sure if this was operator error or what.

I'm running a KVM host on updated CentOS 6. The guest is built from the 
CentOS 6.9 dvd1 with just @base and @core package groups.


When I went to install mysql it failed due to incompatibilities with the 
libcc versions. Updated just glibc and glibc-common and then installed 
mysql. Shortly there after it started to freeze and lost connection.


The KVM host is fairly beefy and mysql wasn't doing anything but running 
with no queries or data. I rebooted the guest and it still had lock up 
issues.


When I rebuilt the guest and did a full yum update, to include kernel 
and kernel-headers, it seemed to run fine.


It seems like there's a dependency between glibc(-common) and something 
else. Or do I misunderstand?


Thanks!

Leam
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Re: [CentOS-virt] Centos 5.2 Xen question?

[Leam Hall]

Manuel Wolfshant wrote:
 On 02/10/2009 11:09 PM, Leam Hall wrote:
 Did this one ever get resolved? I'm having the same issue with a 
 different card set.

 http://lists.centos.org/pipermail/centos-virt/2008-January/000192.html
   
 There are two issues described over there:
 a) support for Realtek 8111B
 b) dnsmasq
 I did not yet have the chance to test the 2.6.18-128 series of kernels, 
 but even if the driver for RTL811B/C has not been solved, the solutions 
 are in the wiki. As of
 dnsmasq.. I do not know, I have not tested that configuration.
 
 Now, could you please give more details about your problem ?

Symptom exactly the same:
vif0.0: received packet with own address as source
address.

Machine is a brand new CentOS 5.2 build

Failed Kernel:
2.6.18-92.1.22el5xen

dmesg | grep eth0:
eth0: ADMtek Comet rev 17 at e084e000, FE:FF:FF:FF:FF:FF, IRQ 12.

more /proc/cpuinfo
processor   : 0
vendor_id   : AuthenticAMD
cpu family  : 6
model   : 6
model name  : AMD Athlon(tm) XP 1800+
stepping: 2
cpu MHz : 1533.095
cache size  : 256 KB
fdiv_bug: no
hlt_bug : no
f00f_bug: no
coma_bug: no
fpu : yes
fpu_exception   : yes
cpuid level : 1
wp  : yes
flags   : fpu vme de pse tsc msr pae mce cx8 mtrr pge mca cmov pat pse36
  mmx fxsr sse syscall mp mmxext 3dnowext 3dnow up ts
bogomips: 3067.95

I'll confess I'm new to CentOS 5.2 so there's probably some room for 
operator error. This was the only real Xen page I found:

http://wiki.centos.org/HowTos/Virtualization/Introduction

If there's an older kernel I need to use, that's fine. Let me know which 
one. I'm just setting things up to learn a few more skills and don't 
need the latest and greatest.

Leam
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