On Tue, Mar 13, 2007 at 10:09:15PM +0100, Markus Neubauer (Liste) wrote:
> Test this effect:
>
> on the host:
> $ route add -net 192.168.0.0/16 reject dev ppp0
>
> on a vserver do then:
> $ route -n
>
> result:
>
> Mar 13 21:52:26 m10 kernel: Unable to handle kernel NULL pointer
> dereference at virtual address 000000a8
> Mar 13 21:52:26 m10 kernel: printing eip:
> Mar 13 21:52:26 m10 kernel: c013525e
> Mar 13 21:52:26 m10 kernel: *pde = 00000000
> Mar 13 21:52:26 m10 kernel: Oops: 0000 [#1]
> Mar 13 21:52:26 m10 kernel: PREEMPT SMP
> Mar 13 21:52:26 m10 kernel: Modules linked in: qozap zaptel crc_ccitt
> nfs lockd nfs_acl sunrpc ebt_log ebtable_filter ebtables ip6ta
> Mar 13 21:52:26 m10 kernel: CPU: 1
> Mar 13 21:52:26 m10 kernel: EIP: 0060:[<c013525e>] Tainted: GF VLI
> Mar 13 21:52:26 m10 kernel: EFLAGS: 00010213 (2.6.16-3-vserver-686 #1)
~~~~~~~~~~~~~~~~~~~~~~~
quite ancient ... could you try something like 2.6.18-4 or
even better 2.6.19.7-vs2.2.0-rc17 and tell me if you see
the same issues?
will try to recreate it here ...
TIA,
Herbert
> Mar 13 21:52:26 m10 kernel: EIP is at dev_in_nx_info+0x1c/0x95
> Mar 13 21:52:26 m10 kernel: eax: 00000000 ebx: f6fa9500 ecx:
> 00000001 edx: e53d6000
> Mar 13 21:52:26 m10 kernel: esi: 0000ffff edi: f743a9c0 ebp:
> 00000000 esp: e53d7e88
> Mar 13 21:52:27 m10 kernel: ds: 007b es: 007b ss: 0068
> Mar 13 21:52:27 m10 kernel: Process route (pid: 22958[#1557],
> threadinfo=e53d6000 task=f54f1ab0)
> Mar 13 21:52:27 m10 kernel: Stack: <0>f6fa9500 0000ffff 00000201
> 0000a8c0 c027f1aa 00000000 f743a9c0 f54f1ab0
> Mar 13 21:52:27 m10 kernel: 31687465 30303009 41454630 30300939 30303030
> 30093030 09313030 09300930
> Mar 13 21:52:27 m10 kernel: 30300930 46463030 30094646 30093009 00002600
> eb370570 f54f1ab0 f54f1bdc
> Mar 13 21:52:27 m10 kernel: Call Trace:
> Mar 13 21:52:27 m10 kernel: [<c027f1aa>] fib_seq_show+0x89/0x129
> Mar 13 21:52:27 m10 kernel: [<c01c508d>] rb_insert_color+0xad/0xce
> Mar 13 21:52:27 m10 kernel: [<c0151874>] __vma_link+0x44/0x53
> Mar 13 21:52:27 m10 kernel: [<c017bab4>] seq_read+0x197/0x266
> Mar 13 21:52:27 m10 kernel: [<c015ecec>] vfs_read+0xa6/0x13d
> Mar 13 21:52:27 m10 kernel: [<c015efee>] sys_read+0x3b/0x63
> Mar 13 21:52:27 m10 kernel: [<c0102d65>] syscall_call+0x7/0xb
> Mar 13 21:52:27 m10 kernel: Code: 39 5c 81 2c 74 e7 40 39 d0 7c f5 31 c0
> 5b c3 55 b8 01 00 00 00 31 ed 57 56 53 8b 7c 24 18 85 ff 74
> Mar 13 21:52:27 m10 kernel: <6>note: route[22958] exited with
> preempt_count 2
>
> Not always, but in other cases the server crashes totally...
>
> Greets
> Markus
>
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