Re: [Xen-devel] Latest unstable detects cpu speed incorrectly

[Valtteri Kiviniemi <valtteri.kiviniemi@xxxxxxxxxxxx>]

Hi,

Forgot to mention that the domUs are Debian testing with XFS filesystem. 
 You can find the bootlog from my previous postings.
- Valtteri Kiviniemi

Valtteri Kiviniemi kirjoitti:
> Hi,
>
> Compared to "nothing", just started to crash. Sometimes they boot and 
> sometimes they dont. I did a full reboot for the server and now they are 
> all working again without cpu spiking. The server was up only couple of 
> days before this started, so I think that its going to start crashin in 
> 48 hours or so.
> The problem is both tsc native and emulated. If the domUs wont crash, 
> they just start to using 400-800% cpu when just idling.
> dmesg on Domain-0 is also flooding this:
>
> "Attempting to checksum a non-TCP/UDP packet, dropping a protocol 1 packet"
>
> - Valtteri Kiviniemi
>
> Jeremy Fitzhardinge kirjoitti:
> > On 10/27/09 09:34, Valtteri Kiviniemi wrote:
> > > Hi,
> > >
> > > Now they are crashing on bootup:
> > "Now" compared to what?  Is this still related to tsc_native?
> >
> >     J
> >
> > > general protection fault: 0000 [#1] SMP
> > > last sysfs file:
> > > CPU 0
> > > Pid: 1, comm: swapper Not tainted 2.6.31.4-domU-00396-g9cf89da #15
> > > RIP: e030:[<ffffffff8119e25f>]  [<ffffffff8119e25f>] strcmp+0x7/0x19
> > > RSP: e02b:ffff88001f83be58  EFLAGS: 00010246
> > > RAX: 0000000000000073 RBX: ffff88001fa1eb90 RCX: ffff88001fa1eb73
> > > RDX: 0000000000000000 RSI: 0000b67d64d2a30e RDI: ffff88001f806900
> > > RBP: 0000b67d64d2a30e R08: 0000000000000001 R09: ffffffff813c37c8
> > > R10: ffffffff8100e072 R11: 0000000000000000 R12: 0000000000000000
> > > R13: ffffffff81402030 R14: ffffffff8143f6a0 R15: 0000000000000000
> > > FS:  0000000000000000(0000) GS:ffffc90000000000(0000)
> > > knlGS:0000000000000000
> > > CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
> > > CR2: 0000000000000000 CR3: 0000000001001000 CR4: 0000000000002660
> > > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> > > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> > > Process swapper (pid: 1, threadinfo ffff88001f83a000, task
> > > ffff88001f858000)
> > > Stack:
> > >  ffffffff810c7e84 ffffffff8100e072 ffff88001fa1eb40 0000b67d64d2a30e
> > > <0> ffffffff810c6dc5 ffff88001fa1eb40 0000000000000000 0000000000000000
> > > <0> 0000000000000000 0000b67d64d2a30e 00000000000274b2 0000000000000000
> > > Call Trace:
> > >  [<ffffffff810c7e84>] ? sysfs_find_dirent+0x1b/0x2f
> > >  [<ffffffff8100e072>] ? check_events+0x12/0x20
> > >  [<ffffffff810c6dc5>] ? sysfs_hash_and_remove+0x29/0x59
> > >  [<ffffffff8107cecd>] ? sysfs_slab_alias+0x25/0x81
> > >  [<ffffffff81431a7d>] ? slab_sysfs_init+0xb6/0xe9
> > >  [<ffffffff814319c7>] ? slab_sysfs_init+0x0/0xe9
> > >  [<ffffffff8100a051>] ? do_one_initcall+0x50/0x151
> > >  [<ffffffff8141fb20>] ? kernel_init+0x14b/0x1a1
> > >  [<ffffffff810112aa>] ? child_rip+0xa/0x20
> > >  [<ffffffff810104ac>] ? int_ret_from_sys_call+0x7/0x1b
> > >  [<ffffffff81010c5d>] ? retint_restore_args+0x5/0x6
> > >  [<ffffffff810112a0>] ? child_rip+0x0/0x20
> > > Code: f8 eb 10 48 ff c1 49 ff c0 4c 39 c2 75 08 c6 01 00 eb 0d 45 31
> > > c0 42 8a 04 06 88 01 84 c0 75 e3 48 89 f8 c3 31 d2 8a 0c 17 88 c8 <2a>
> > > 04 16 84 c0 75 07 48 ff c2 84 c9 75 ed 0f be c0 c3 31 c9 eb
> > > RIP  [<ffffffff8119e25f>] strcmp+0x7/0x19
> > >  RSP <ffff88001f83be58>
> > > ---[ end trace a7919e7f17c0a725 ]---
> > > Kernel panic - not syncing: Attempted to kill init!
> > > Pid: 1, comm: swapper Tainted: G      D   
> > > 2.6.31.4-domU-00396-g9cf89da #15
> > > Call Trace:
> > >  [<ffffffff812b4993>] ? panic+0x86/0x12e
> > >  [<ffffffff812b6919>] ? _spin_lock_irq+0x7/0x1c
> > >  [<ffffffff811a5e20>] ? dummycon_dummy+0x0/0x3
> > >  [<ffffffff811a5e20>] ? dummycon_dummy+0x0/0x3
> > >  [<ffffffff8100d9bd>] ? xen_force_evtchn_callback+0x9/0xa
> > >  [<ffffffff8100e072>] ? check_events+0x12/0x20
> > >  [<ffffffff811a5e20>] ? dummycon_dummy+0x0/0x3
> > >  [<ffffffff812b6995>] ? _write_lock_irq+0x7/0x16
> > >  [<ffffffff8103b2bd>] ? exit_ptrace+0xa7/0x126
> > >  [<ffffffff81036605>] ? do_exit+0x6a/0x5ce
> > >  [<ffffffff8100e072>] ? check_events+0x12/0x20
> > >  [<ffffffff81013eb1>] ? oops_end+0x8e/0x93
> > >  [<ffffffff812b6d45>] ? general_protection+0x25/0x30
> > >  [<ffffffff8100e072>] ? check_events+0x12/0x20
> > >  [<ffffffff8119e25f>] ? strcmp+0x7/0x19
> > >  [<ffffffff810c7e84>] ? sysfs_find_dirent+0x1b/0x2f
> > >  [<ffffffff8100e072>] ? check_events+0x12/0x20
> > >  [<ffffffff810c6dc5>] ? sysfs_hash_and_remove+0x29/0x59
> > >  [<ffffffff8107cecd>] ? sysfs_slab_alias+0x25/0x81
> > >  [<ffffffff81431a7d>] ? slab_sysfs_init+0xb6/0xe9
> > >  [<ffffffff814319c7>] ? slab_sysfs_init+0x0/0xe9
> > >  [<ffffffff8100a051>] ? do_one_initcall+0x50/0x151
> > >  [<ffffffff8141fb20>] ? kernel_init+0x14b/0x1a1
> > >  [<ffffffff810112aa>] ? child_rip+0xa/0x20
> > >  [<ffffffff810104ac>] ? int_ret_from_sys_call+0x7/0x1b
> > >  [<ffffffff81010c5d>] ? retint_restore_args+0x5/0x6
> > >  [<ffffffff810112a0>] ? child_rip+0x0/0x20
> > >
> > >
> > >
> > > - Valtteri Kiviniemi
> > >
> > > Valtteri Kiviniemi kirjoitti:
> > > > Hi,
> > > >
> > > > It was downloaded and compiled on 2009-10-26 00:48 GMT+2. Kernel
> > > > version is 2.6.31.4-dom0-00396-g9cf89da.
> > > >
> > > > - Valtteri Kiviniemi
> > > >
> > > > Keir Fraser kirjoitti:
> > > > > On 27/10/2009 16:14, "Valtteri Kiviniemi"
> > > > > <valtteri.kiviniemi@xxxxxxxxxxxx>
> > > > > wrote:
> > > > >
> > > > > > I'll take that back, now its occuring in every virtual.
> > > > > Yes it didn't sound like it would really be TSC related. How
> > > > > 'latest' is
> > > > > your xen-unstable?
> > > > >
> > > > >  -- Keir
> > > > >
> > > > >
> > > > >
> > > > > _______________________________________________
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