Re: [Xen-devel] upgrade to 2.6.18.8 ?

["Teck Choon Giam" <giamteckchoon@xxxxxxxxx>]

On 10/3/07, Stefan Berger <stefanb@xxxxxxxxxx> wrote:
>
> I was wondering whether we could apply the 2.6.18.8 patch to the linux tree?
> Assuming that that patch makes 2.6.18 better...
>
> It should be fairly simple. Only two hunks dont apply (both in
> net/core/skbuff.c) and those changes seem to already have been applied
> anyway.

I have been running 2.6.18.8 with Xen-3.1.0/Xen-3.1.1-rc1/Xen3.1.1-rc2
and the patch series I just exclude
net-gso-6-linear-segmentation.patch.  The only problem I encountered
is anything larger than 512MB in domainU might have such error:

Sep 27 01:46:43 XXX kernel: ------------[ cut here ]------------
Sep 27 01:46:43 XXX kernel: kernel BUG at
/usr/src/xen-3.1.1-rc1-src/linux-2.6.18.8-xen/arch/i386/mm/hypervisor.c:167!
Sep 27 01:46:43 XXX kernel: invalid opcode: 0000 [#1]
Sep 27 01:46:43 XXX kernel: SMP
Sep 27 01:46:43 XXX kernel: Modules linked in: ipv6 xt_state xt_tcpudp
iptable_nat ip_nat iptable_mangle ip_conntrack_ftp ip_conntrack_irc
ip_conntrack nfnetlink ipt_REJECT ipt_LOG iptable_filter ip_tables
x_tables dm_mirror dm_mod
Sep 27 01:46:43 XXX kernel: CPU:    0
Sep 27 01:46:43 XXX kernel: EIP:    0061:[<c0114f1e>]    Not tainted VLI
Sep 27 01:46:43 XXX kernel: EFLAGS: 00010282   (2.6.18.8-xenU #3)
Sep 27 01:46:43 XXX kernel: EIP is at xen_pgd_pin+0x6e/0x80
Sep 27 01:46:43 XXX kernel: eax: ffffffea   ebx: eb243ed8   ecx:
00000001   edx: 00000000
Sep 27 01:46:43 XXX kernel: esi: 00007ff0   edi: 00000000   ebp:
ebef3000   esp: eb243ed8
Sep 27 01:46:43 XXX kernel: ds: 007b   es: 007b   ss: 0069
Sep 27 01:46:43 XXX kernel: Process nagios (pid: 22284, ti=eb242000
task=eaa5f550 task.ti=eb242000)
Sep 27 01:46:43 XXX su(pam_unix)[22112]: session closed for user XXXXX
Sep 27 01:46:43 XXX kernel: Stack: 00000002 00043233 2cdb0000 0059b600
ec126b80 c010f90f ec126bd0 c010f952
Sep 27 01:46:43 XXX kernel:        ec79e7ac 00000000 c011c15c ecbecd48
ebf6d800 c029de68 ed6037f4 ec126bb4
Sep 27 01:46:43 XXX kernel:        ebef30c0 ebef34a0 eb243fbc bf92b960
00000011 00000000 ebef3000 ec2ddb40
Sep 27 01:46:43 XXX kernel: Call Trace:
Sep 27 01:46:43 XXX kernel:  [<c010f90f>] __pgd_pin+0x2f/0x40
Sep 27 01:46:43 XXX kernel:  [<c010f952>] mm_pin+0x32/0x50
Sep 27 01:46:43 XXX kernel:  [<c011c15c>] copy_process+0x101c/0x11c0
Sep 27 01:46:43 XXX kernel:  [<c029de68>] sock_wfree+0x38/0x40
Sep 27 01:46:43 XXX kernel:  [<c011c5fd>] do_fork+0x7d/0x1f0
Sep 27 01:46:43 XXX kernel:  [<c022aa7e>] evtchn_do_upcall+0xbe/0x100
Sep 27 01:46:43 XXX kernel:  [<c0102f0c>] sys_fork+0x2c/0x30
Sep 27 01:46:43 XXX kernel:  [<c0105127>] syscall_call+0x7/0xb
Sep 27 01:46:43 XXX kernel: Code: d2 be f0 7f 00 00 e8 42 c4 fe ff 85
c0 78 1c 8b 5c 24 0c 8b 74 24 10 83 c4 14 c3 66 90 39 c2 72 c5 0f 0b
22 00 d8 fb 31 c0 eb bb <0f> 0b a7 00 44 17 32 c0 eb da 90 8d b4 26 00
00 00 00 89 c2 83
Sep 27 01:46:43 XXX kernel: EIP: [<c0114f1e>] xen_pgd_pin+0x6e/0x80
SS:ESP 0069:eb243ed8

I didn't try on 2.6.18 on domainU more than 512MB though so can't
really comment on whether this is just happening to kernel 2.6.18.8.

Sorry if this is out topic.

Thanks.

Kindest regards,
Giam Teck Choon

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