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SubjectRe: [PATCH 4.4 00/37] 4.4.110-stable review
On Thu, Jan 04, 2018 at 11:38:25AM -0500, Pavel Tatashin wrote:
> I am getting the following panic when trying to boot 4.4.110rc1 on
> Intel(R) Xeon(R) CPU E5-2630:
>
> [ 5.923489] BUG: unable to handle kernel NULL pointer dereference
> at 000000000000000d
> [ 5.932259] IP: [<ffffffff810e70d2>] dyntick_save_progress_counter+0x12/0x50
> [ 5.940142] PGD 0
> [ 5.942400] Oops: 0002 [#1] SMP
> [ 5.946023] Modules linked in:
> [ 5.949448] CPU: 5 PID: 8 Comm: rcu_sched Not tainted
> 4.4.110-rc1_pt_linux-4.4.110rc1 #1
> [ 5.958484] Hardware name: Oracle Corporation ORACLE SERVER
> X6-2/ASM,MOTHERBOARD,1U, BIOS 38050100 08/30/2016
> [ 5.969552] task: ffff881ff2f1ab00 ti: ffff881ff2f24000 task.ti:
> ffff881ff2f24000
> [ 5.977905] RIP: 0010:[<ffffffff810e70d2>] [<ffffffff810e70d2>]
> dyntick_save_progress_counter+0x12/0x50
> [ 5.988505] RSP: 0000:ffff881ff2f27dc0 EFLAGS: 00010046
> [ 5.994434] RAX: 0000000000000001 RBX: ffffffff81b02140 RCX: ffff883fec768000
> [ 6.002403] RDX: 0000000000000000 RSI: ffff881ff2f27e5f RDI: ffff88407e958140
> [ 6.010368] RBP: ffff881ff2f27dc0 R08: ffff881ff2f27e78 R09: 000000016110f359
> [ 6.018333] R10: 0000000000000b10 R11: 0000000000000000 R12: ffffffff81b02140
> [ 6.026297] R13: 00000000ffffffdf R14: 0000000000000021 R15: 0000000200000000
> [ 6.034262] FS: 0000000000000000(0000) GS:ffff881fff940000(0000)
> knlGS:0000000000000000
> [ 6.043293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 6.049707] CR2: 000000000000000d CR3: 0000000001aa6000 CR4: 0000000000360670
> [ 6.057672] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 6.065638] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 6.073603] Stack:
> [ 6.075847] ffff881ff2f27e18 ffffffff810e8fac 0000000000000202
> ffff881ff2f27e60
> [ 6.084158] ffff881ff2f27e5f ffffffff810e70c0 ffffffff81b02140
> ffffffff81b127a0
> [ 6.092465] 0000000000000001 0000000000000000 0000000000000003
> ffff881ff2f27eb8
> [ 6.100768] Call Trace:
> [ 6.103501] [<ffffffff810e8fac>] force_qs_rnp+0xdc/0x150
> [ 6.109527] [<ffffffff810e70c0>] ? rcu_start_gp+0x70/0x70
> [ 6.115654] [<ffffffff810ea118>] rcu_gp_kthread+0x468/0x9b0
> [ 6.121976] [<ffffffff810c9190>] ? prepare_to_wait_event+0xf0/0xf0
> [ 6.128973] [<ffffffff810e9cb0>] ? rcu_process_callbacks+0x5f0/0x5f0
> [ 6.136167] [<ffffffff810a4a25>] kthread+0xe5/0x100
> [ 6.141710] [<ffffffff810a4940>] ? kthread_park+0x60/0x60
> [ 6.147840] [<ffffffff81714e8f>] ret_from_fork+0x3f/0x70
> [ 6.153868] [<ffffffff810a4940>] ? kthread_park+0x60/0x60
>
> I tried to bisect the problem, but when I try to boot only with:
> "KAISER: Kernel Address Isolation" machine hangs during boot and
> reboots without any panic message.
>
> 4.4.109 boots fine
> 4.9.75rc1 also boots fine.

Hm, so I'm guessing 4.15-rc6 also works?

Odd that 4.9.75-rc1 fails.

Adding Jiri and Hugh and Dave here to see if they have seen this
before...

thanks,

greg k-h

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