[Xen-devel] Linux v3.9-rc0, three different bootup issues.

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

Heya,

I am hitting _three_ different regressions on v3.9-rc0. I was
wondering if anybody is willing to help me out in narrowing down
the faulty git commits.

The first one is when booting PV guests:

[    0.831091] BUG: unable to handle kernel NULL pointer dereference at 
0000000000000024
[    0.831107] IP: [<ffffffff8138978a>] apei_hest_parse+0x2a/0x140
[    0.831122] PGD 0 
[    0.831130] Oops: 0000 [#1] SMP 
[    0.831142] Modules linked in:
[    0.831150] CPU 0 
[    0.831156] Pid: 1, comm: swapper/0 Not tainted 3.8.0upstream-03229-ge1f5dd0 
#1  
[    0.831166] RIP: e030:[<ffffffff8138978a>]  [<ffffffff8138978a>] 
apei_hest_parse+0x2a/0x140
[    0.831178] RSP: e02b:ffff88003d369e88  EFLAGS: 00010246
[    0.831185] RAX: 00000000ffffffea RBX: 0000000000000030 RCX: 0000000000000000
[    0.831193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81329ae0
[    0.831200] RBP: ffff88003d369ea8 R08: 0000000000000000 R09: 0000000000000000
[    0.831208] R10: 0000000000007ff0 R11: 0000000000000002 R12: 0000000000000000
[    0.831215] R13: ffffffff81329ae0 R14: 0000000000000000 R15: 0000000000000000
[    0.831227] FS:  0000000000000000(0000) GS:ffff88003f800000(0000) 
knlGS:0000000000000000
[    0.831236] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[    0.831242] CR2: 0000000000000024 CR3: 0000000001a0c000 CR4: 0000000000000660
[    0.831251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    0.831258] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[    0.831266] Process swapper/0 (pid: 1, threadinfo ffff88003d368000, task 
ffff88003d362800)
[    0.831274] Stack:
[    0.831280]  0000000000000030 0000000000000000 ffffffff81ae960e 
ffffffff81b402e8
[    0.831298]  ffff88003d369eb8 ffffffff81329b3b ffff88003d369ec8 
ffffffff81ae9620
[    0.831316]  ffff88003d369ef8 ffffffff8100203d 0000000000000030 
0000000000000007
[    0.831336] Call Trace:
[    0.831347]  [<ffffffff81ae960e>] ? pcie_portdrv_init+0x7a/0x7a
[    0.831359]  [<ffffffff81329b3b>] aer_acpi_firmware_first+0x1b/0x30
[    0.831370]  [<ffffffff81ae9620>] aer_service_init+0x12/0x2b
[    0.831380]  [<ffffffff8100203d>] do_one_initcall+0x3d/0x170
[    0.831391]  [<ffffffff81abd82c>] kernel_init_freeable+0x157/0x1e6
[    0.831401]  [<ffffffff81abd8bb>] ? kernel_init_freeable+0x1e6/0x1e6
[    0.831412]  [<ffffffff81647e90>] ? rest_init+0xa0/0xa0
[    0.831422]  [<ffffffff81647e99>] kernel_init+0x9/0xf0
[    0.831432]  [<ffffffff816669fc>] ret_from_fork+0x7c/0xb0
[    0.831442]  [<ffffffff81647e90>] ? rest_init+0xa0/0xa0
[    0.831448] Code: 90 55 80 3d 00 3f 8d 00 00 b8 ea ff ff ff 48 89 e5 41 56 
49 89 f6 4

The second when booting PVHVM guests:

[   28.249000] BUG: soft lockup - CPU#0 stuck for 23s! [migration/0:8]
[   28.249000] Modules linked in:
[   28.249000] CPU 0 
[   28.249000] Pid: 8, comm: migration/0 Not tainted 
3.8.0upstream-03229-ge1f5dd0 #1 Xen HVM domU
[   28.249000] RIP: 0010:[<ffffffff81105bdb>]  [<ffffffff81105bdb>] 
stop_machine_cpu_stop+0x7b/0xf0
[   28.249000] RSP: 0000:ffff88003aa49d38  EFLAGS: 00000293
[   28.249000] RAX: 0000000000000001 RBX: ffffffff810bff77 RCX: 0000000000000000
[   28.249000] RDX: 0000000000000000 RSI: 0000000000000286 RDI: ffff88003aa33de8
[   28.249000] RBP: ffff88003aa49d68 R08: 0000000000000000 R09: 0000000000000001
[   28.249000] R10: 0000000000000000 R11: 0000000000000003 R12: ffff88003aa48000
[   28.249000] R13: 0000000000000000 R14: ffffffff810c96d5 R15: ffff88003aa49cb8
[   28.249000] FS:  0000000000000000(0000) GS:ffff88003ae00000(0000) 
knlGS:0000000000000000
[   28.249000] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[   28.249000] CR2: 0000000000000000 CR3: 0000000001a0c000 CR4: 00000000000006f0
[   28.249000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.249000] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[   28.249000] Process migration/0 (pid: 8, threadinfo ffff88003aa48000, task 
ffff88003aa2c000)
[   28.249000] Stack:
[   28.249000]  ffff88003aa49d98 ffff88003aa33d58 ffff88003aa48000 
ffffffff81105b60
[   28.249000]  ffff88003aa33de8 ffff88003ae0e5e0 ffff88003aa49e48 
ffffffff811058b3
[   28.249000]  ffff88003aa49da8 ffff88003aa49fd8 ffff88003ae0e5e8 
ffff88003aa48000
[   28.249000] Call Trace:
[   28.249000]  [<ffffffff81105b60>] ? stop_one_cpu_nowait+0x30/0x30
[   28.249000]  [<ffffffff811058b3>] cpu_stopper_thread+0xb3/0x160
[   28.249000]  [<ffffffff8165d65e>] ? __schedule+0x3be/0x7d0
[   28.249000]  [<ffffffff8107f079>] ? default_spin_lock_flags+0x9/0x10
[   28.249000]  [<ffffffff810bebd7>] smpboot_thread_fn+0x157/0x1e0
[   28.249000]  [<ffffffff810bea80>] ? smpboot_create_threads+0x80/0x80
[   28.249000]  [<ffffffff810b5f06>] kthread+0xc6/0xd0
[   28.249000]  [<ffffffff810b5e40>] ? kthread_freezable_should_stop+0x80/0x80
[   28.249000]  [<ffffffff816669fc>] ret_from_fork+0x7c/0xb0
[   28.249000]  [<ffffffff810b5e40>] ? kthread_freezable_should_stop+0x80/0x80
[   28.249000] Code: 41 83 fd 03 74 42 f0 41 ff 0e 0f 94 c0 84 c0 74 0f 8b 43 
20 8b 4b 10 83 c0 01 89 4b 24 89 43 20 41 83 fd 04 74 3a 44 89 e8 f3 90 <44> 8b 
6b 20 41 39 c5 74 ec 41 83 fd 02 75 c6 fa 66 66 90 66 66 


And the third when booting dom0 and with xen-acpi-processor it ends
up with -22 right after:

[   14.712473] xen-acpi-processor: Max ACPI ID: 8



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