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[Xen-devel] Re: [Xen-users] pv_ops 2.6.31.6 restore/migration problem with 2.6.31.12 pv_ops domU

From: Pasi Kärkkäinen <pasik@xxxxxx>

Date: Fri, 22 Jan 2010 11:15:45 +0200

Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx

Delivery-date: Fri, 22 Jan 2010 01:16:05 -0800

List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hello, Forwarding to xen-devel .. -- Pasi On Fri, Jan 22, 2010 at 09:33:38AM +0100, Olivier B. wrote: > For me restore/live migration doesn't work. > > For dom0 I use the version 2.6.31.6 00751-g600545, with vanilla > 2.6.31.12 pv_ops version on domU, and debian xen 3.4.2-2 > > On restore I obtain that : > > [49532.764004] <4>------------[ cut here ]------------ > [49532.764004] BUG: recent printk recursion! > [49532.764004] <4>WARNING: at arch/x86/xen/time.c:180 > xen_sched_clock+0x7c/0xaf() > [49532.764004] BUG: recent printk recursion! > [49532.764004] <d>Modules linked in: > [49532.764004] BUG: recent printk recursion! > [49532.764004] nf_conntrack_ipv4 > [49532.764004] BUG: recent printk recursion! > [49532.764004] nf_defrag_ipv4 > [49532.764004] BUG: recent printk recursion! > [49532.764004] xt_state > [49532.764004] BUG: recent printk recursion! > [49532.764004] nf_conntrack > [49532.764004] BUG: recent printk recursion! > [49532.764004] dm_snapshot > [49532.764004] BUG: recent printk recursion! > [49532.764004] [last unloaded: scsi_wait_scan] > [49532.764004] BUG: recent printk recursion! > [49532.764004] > [49532.764004] BUG: recent printk recursion! > [49532.764004] Pid: 30422, comm: kstop/0 Tainted: G W > 2.6.31.12-dae-xen #1 > [49532.764004] BUG: recent printk recursion! > [49532.764004] Call Trace: > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff8104e0d1>] warn_slowpath_common+0x88/0xb6 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff8104e121>] warn_slowpath_null+0x22/0x38 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff8100dc4f>] xen_sched_clock+0x7c/0xaf > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff8101829d>] sched_clock+0x9/0xd > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff8106b73b>] sched_clock_cpu+0xa7/0x168 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff81047d4b>] update_rq_clock+0x26/0x48 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff81048c11>] try_to_wake_up+0xac/0x2af > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff8101135d>] ? retint_restore_args+0x5/0x6 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff81048e34>] default_wake_function+0x20/0x36 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff8103bcdd>] __wake_up_common+0x58/0xa2 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff8106120e>] ? wq_barrier_func+0x0/0x36 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff8103e07d>] complete+0x49/0x73 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff8106122e>] wq_barrier_func+0x20/0x36 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff81060d8d>] worker_thread+0x156/0x20d > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff8100dd1f>] ? xen_restore_fl_direct_end+0x0/0x1 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff81065b7f>] ? autoremove_wake_function+0x0/0x5a > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff81060c37>] ? worker_thread+0x0/0x20d > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff81065759>] kthread+0x9b/0xa3 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff810119ea>] child_rip+0xa/0x20 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff81010bac>] ? int_ret_from_sys_call+0x7/0x1b > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff8101135d>] ? retint_restore_args+0x5/0x6 > [49532.764004] BUG: recent printk recursion! > [49532.764004] BUG: recent printk recursion! > [49532.764004] [<ffffffff810119e0>] ? child_rip+0x0/0x20 > [49532.764004] BUG: recent printk recursion! > [49532.764004] <4>---[ end trace bbe4ba0e56e4a4ae ]--- > [49532.764004] BUG: recent printk recursion! > [49532.764004] <4>------------[ cut here ]------------ > > > But except that, it works fine. > > Olivier > > Pasi Kärkkäinen a écrit : >> On Thu, Jan 21, 2010 at 09:01:21PM -0000, Ian Tobin wrote: >> >>> Hi, >>> >>> >>> >>> Quick question, is the 2.6.31.6 kernel in Jermeys tree stable enough for >>> a >>> live environment? Ive been playing with it and seems to work quite well. >>> >>> >> >> It works for many people.. so please keep using it, and report any >> issues/bugs found. >> >> Also make sure you monitor the changelogs, it's still under development so >> you want to >> upgrade every now and then to get the latest bits. >> >> xen/master branch changelog: >> http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=shortlog;h=xen/master >> >> Whole git tree changelog: >> http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git >> >> -- Pasi >> >> _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel

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