Please take our Survey
logo       

Choosing A Webhost:
A web hosting service is a type of Internet hosting service that allows individuals and organizations to provide their own website accessible via the World Wide Web. Web hosts are companies that provide space on a server they own for use by their clients as well as providing Internet connectivity, typically in a data center. Web hosts can also provide data center space and connectivity to the Internet for servers they do not own to be located in their data center, called colocation. more...

Re: Recurring Zombie (XenU used as a web server): msg#00086

Subject: Re: Recurring Zombie (XenU used as a web server)
On Thu, Sep 21, 2006, Russell McOrmond wrote:
> >> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=199944
> 
> Kwan Lowe wrote:
> >This is the bug report I'd found... It looks like yours is the same issue:
> >
> >https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=204468
> 
>   I've added a note there.  If people can leave their consoles open and 
> see if there is a kernel panic similar to the one that I reported, it 
> may be the same xennet related bug.
> 
>   I've observed the same problem on a number of machines I administer 
> (Mixed Intel, AMD, etc), and each time it seems to come down to the same 
> xennet issue.

Here's a recent crash. I can't run 2187 because it crashes almost straight
away (and I think I emailed the crashdump to the list already.)

Its still worrying that this oops takes out networking for all VMs..




Adrian

BUG: unable to handle kernel NULL pointer dereference at virtual address 
000000bc
 printing eip:
c908e1ad
*pde = ma 1509f067 pa 01ff3067
*pte = ma 00000000 pa fffff000
Oops: 0002 [#1]
SMP
Modules linked in: ipv6 xennet dm_snapshot dm_zero dm_mirror dm_mod raid1
CPU:    0
EIP:    0061:[<c908e1ad>]    Not tainted VLI
EFLAGS: 00210046   (2.6.17-1.2157_FC5xenU #1)
EIP is at network_tx_buf_gc+0xc4/0x1b7 [xennet]
eax: 00000066   ebx: 00000032   ecx: c6540cfc   edx: 00000000
esi: 00000001   edi: c6540400   ebp: 0000002c   esp: c0651edc
ds: 007b   es: 007b   ss: 0069
Process swapper (pid: 0, threadinfo=c0650000 task=c05f1800)
Stack: <0>c6540cfc 00000000 00000000 00000004 c6540000 001ece31 001ece32 
001ece12
       00000000 c6540488 c6540400 c6540000 c908f150 c01b5e80 00000000 00000000
       00000107 c043a57d 00000107 c6540000 c0651f88 c0651f88 00000107 c0643780
Call Trace:
 <c908f150> netif_int+0x24/0x66 [xennet]  <c043a57d> handle_IRQ_event+0x42/0x85
 <c043a64d> __do_IRQ+0x8d/0xdc  <c040665a> do_IRQ+0x1a/0x25
 <c0519efd> evtchn_do_upcall+0x66/0x9f  <c0404d79> hypervisor_callback+0x3d/0x48
 <c0407a6a> safe_halt+0x84/0xa7  <c0402bde> xen_idle+0x46/0x4e
 <c0402cfd> cpu_idle+0x94/0xad  <c0655772> start_kernel+0x346/0x34c
Code: b4 9f 00 09 00 00 50 e8 9d c5 48 f7 c7 84 9f 00 09 00 00 00 00 00 00 8b 
87 f4 00 00 00 89 84 9f f4 00 00 00 89 9f f4 00 00 00 90 <ff> 8d 90 00 00 00 0f 
94 c0 83 c4 10 84 c0 74 62 bb 00 e0 ff ff
EIP: [<c908e1ad>] network_tx_buf_gc+0xc4/0x1b7 [xennet] SS:ESP 0069:c0651edc
 <0>Kernel panic - not syncing: Fatal exception in interrupt



<Prev in Thread] Current Thread [Next in Thread>
Google Custom Search

Recently Viewed:
qnx.openqnx.dev...    gcc.libstdc++.c...    solaris.opensol...    information-ret...    misc.misterhous...    web.catalyst.ge...    apache.webservi...    redhat.release....    hardware.lirc/2...    kernel.autofs/2...    technology.sust...    linux.vdr/2003-...    editors.lyx.gen...    org.user-groups...    netbsd.devel.pk...    xdg.devel/2004-...    version-control...    jakarta.slide.d...    debian.packages...    creativecommons...    ports.ppc.embed...    bug-tracking.bu...   
Home | blog view | USPTO Patent Archive | advertise | OSDir is an inevitable website. super tiny logo

Free Magazines

Cisco News
Receive a free quarterly e-newsletter with exclusive articles on how Cisco IT uses its own products and solutions to enable the business.
subscribe

Systems Management News, the newspaper for IT systems administration and data center managers! Each issue of Systems Management News is chock-full of news and analysis to help you understand what's happening in your field.
subscribe

The Enterprise Newsweekly eWeek is the essential technology information source for builders of e-business.
subscribe

Oracle Magazine Oracle Magazine contains technology strategy articles, sample code, tips, Oracle and partner news, how to articles for developers and DBAs, and more. Oracle (NASDAQ: ORCL) is the world's largest enterprise software company.
subscribe

Total Telecom Total Telecom is "The Economist of the communications industry".
subscribe