linux-kernel - 4.9.0-rc6+ boot problem

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Date:   Sun, 27 Nov 2016 14:23:40 -0800
From:   Kui Zhang <kuizhang@...il.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: 4.9.0-rc6+ boot problem

Hello,

I am having problem booting 4.9.0-rc6+ on my laptop.

4.9.0-rc5+ works, so not likely hardware issues.


Ubuntu Zesty Zapus

###
gcc-6 with

CONFIG_PCI_QUIRKS=y
CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y

After grub, screen turns off. No pre modeset messages. Then system
reboot itself.

When

CONFIG_PCI_QUIRKS not set
CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS not set


System would boot up to: "Clocksource: Switched to clocksource hpet". then loop

'''
Could not create tracefs '' directory
Could not create directory for event
 '''

###
gcc-4.9 system would panic with above settings on.

With them off, setting would boot to login prompt. Only one working terminal.

Login works.
dmesg works

lsmod hangs



[    8.436647] BUG: unable to handle kernel paging request at 0000000016000000
[    8.437448] IP: [<ffffffff974dea56>] strcmp+0x16/0x30
[    8.438224] PGD 0

[    8.438992] Oops: 0000 [#1] SMP
[    8.439750] Modules linked in:
[    8.440506] CPU: 6 PID: 430 Comm: systemd-udevd Not tainted 4.9.0-rc6+ #14
[    8.441266] Hardware name: Notebook
P15SM-A/SM1-A                    /P15SM-A/SM1-A                    ,
BIOS 4.6.5 04/20/2015
[    8.442239] task: ffffa3d3a436e3c0 task.stack: ffffba3641604000
[    8.443033] RIP: 0010:[<ffffffff974dea56>]  [<ffffffff974dea56>]
strcmp+0x16/0x30
[    8.443828] RSP: 0018:ffffba3641607bf0  EFLAGS: 00010202
[    8.444603] RAX: 000000000000006d RBX: ffffffff97fc33c0 RCX: 0000000000000a1f
[    8.445382] RDX: 000000000000143e RSI: 0000000016000001 RDI: ffffba3641669fe7
[    8.446149] RBP: ffffba3641607bf0 R08: ffffffff9716cb90 R09: ffffffffc0409000
[    8.446917] R10: 00003fffffe00000 R11: 0000000000002000 R12: 0000000000000a1f
[    8.447683] R13: 0000000000000010 R14: 000000000000143e R15: 0000000000000000
[    8.448446] FS:  00007f4830a4c8c0(0000) GS:ffffa3d3afb80000(0000)
knlGS:0000000000000000
[    8.449202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.449957] CR2: 0000000016000000 CR3: 0000000224a12000 CR4: 00000000001406e0
[    8.450710] Stack:
[    8.451457]  ffffba3641607c00 ffffffff9716cba2 ffffba3641607c50
ffffffff974ebede
[    8.452232]  ffffffff9716cb90 ffffffff97fb91d0 ffffba3641669fe6
ffffba3641607cb8
[    8.453005]  0000000000000000 ffffffff97c2e840 ffffba3641687f00
ffffba3641607e80
[    8.453779] Call Trace:
[    8.454608]  [<ffffffff9716cba2>] cmp_name+0x12/0x20
[    8.455621]  [<ffffffff974ebede>] bsearch+0x5e/0x90
[    8.456656]  [<ffffffff9716cb90>] ? unregister_module_notifier+0x20/0x20
[    8.457444]  [<ffffffff9716cd2b>] find_symbol_in_section+0x3b/0xf0
[    8.458228]  [<ffffffff9716ccf0>] ? mod_find_symname+0x70/0x70
[    8.459018]  [<ffffffff9716d8d6>] each_symbol_section+0x26/0x50
[    8.459801]  [<ffffffff9716d9d6>] find_symbol+0x36/0xa0
[    8.460570]  [<ffffffff9716cbf8>] ? find_sec+0x48/0x80
[    8.461553]  [<ffffffff9716e82a>] resolve_symbol.isra.61+0x4a/0xb0
[    8.461556]  [<ffffffff9716df36>] ? get_modinfo.isra.56+0x46/0xa0
[    8.461558]  [<ffffffff9716fdb7>] load_module+0xc57/0x2700
[    8.461560]  [<ffffffff97480dc4>] ? ima_post_read_file+0x74/0x90
[    8.461563]  [<ffffffff9743e23b>] ? security_kernel_post_read_file+0x6b/0x80
[    8.461566]  [<ffffffff9727c7f2>] ? kernel_read_file+0x172/0x190
[    8.461568]  [<ffffffff97171a56>] SYSC_finit_module+0x96/0xd0
[    8.461569]  [<ffffffff97171aae>] SyS_finit_module+0xe/0x10
[    8.461571]  [<ffffffff97002b1a>] do_syscall_64+0x6a/0x220
[    8.461574]  [<ffffffff97a0a08a>] entry_SYSCALL64_slow_path+0x25/0x25
[    8.461591] Code: 01 0f b6 4e ff 48 83 c2 01 84 c9 88 4a ff 75 ed
5d c3 0f 1f 00 55 48 89 e5 eb 04 84 c0 74 18 48 83 c7 01 48 83 c6 01
0f b6 47 ff <3a> 46 ff 74 eb 19 c0 5d 83 c8 01 c3 31 c0 5d c3 66 2e 0f
1f 84
[    8.461593] RIP  [<ffffffff974dea56>] strcmp+0x16/0x30
[    8.461594]  RSP <ffffba3641607bf0>
[    8.461594] CR2: 0000000016000000
[    8.461605] ---[ end trace 470acb4c22b46ca8 ]---


[    7.367754] BUG: unable to handle kernel paging request at 000000002c000000
[    7.368663] IP: [<ffffffffad4dddc6>] strcmp+0x16/0x30
[    7.369408] PGD 0

[    7.370111] Oops: 0000 [#1] SMP
[    7.370805] Modules linked in:
[    7.371504] CPU: 0 PID: 360 Comm: systemd-modules Tainted: G
   O    4.9.0-rc5 #17
[    7.372211] Hardware name: Notebook
P15SM-A/SM1-A                    /P15SM-A/SM1-A                    ,
BIOS 4.6.5 04/20/2015
[    7.372963] task: ffff8f02659b4740 task.stack: ffffa9de81274000
[    7.373687] RIP: 0010:[<ffffffffad4dddc6>]  [<ffffffffad4dddc6>]
strcmp+0x16/0x30
[    7.374444] RSP: 0018:ffffa9de81277c20  EFLAGS: 00010202
[    7.375169] RAX: 0000000000000070 RBX: ffffffffadfc3390 RCX: 0000000000000a1e
[    7.375899] RDX: 000000000000143d RSI: 000000002c000001 RDI: ffffa9de811f2da1
[    7.376633] RBP: ffffa9de81277c20 R08: ffffffffad16c550 R09: ffffffffc03ca000
[    7.377364] R10: 00003fffffe00000 R11: 0000000000002000 R12: 0000000000000a1e
[    7.378097] R13: 0000000000000010 R14: 000000000000143d R15: 0000000000000000
[    7.378832] FS:  00007fa5291ef8c0(0000) GS:ffff8f026fa00000(0000)
knlGS:0000000000000000
[    7.379591] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.380327] CR2: 000000002c000000 CR3: 00000002228f0000 CR4: 00000000001406f0
[    7.381073] Stack:
[    7.381796]  ffffa9de81277c30 ffffffffad16c562 ffffa9de81277c80
ffffffffad4eb23e
[    7.382557]  ffffffffad16c550 ffffffffadfb91b0 ffffa9de811f2da0
ffffa9de81277ce8
[    7.383275]  0000000000000000 ffffffffadc2e7c0 ffffa9de811f46b0
ffffa9de81277eb0
[    7.383986] Call Trace:
[    7.384697]  [<ffffffffad16c562>] cmp_name+0x12/0x20
[    7.385403]  [<ffffffffad4eb23e>] bsearch+0x5e/0x90
[    7.386188]  [<ffffffffad16c550>] ? unregister_module_notifier+0x20/0x20
[    7.387304]  [<ffffffffad16c6eb>] find_symbol_in_section+0x3b/0xf0
[    7.388407]  [<ffffffffad16c6b0>] ? mod_find_symname+0x70/0x70
[    7.389504]  [<ffffffffad16d296>] each_symbol_section+0x26/0x50
[    7.390590]  [<ffffffffad16d396>] find_symbol+0x36/0xa0
[    7.391662]  [<ffffffffad16c5b8>] ? find_sec+0x48/0x80
[    7.392734]  [<ffffffffad16e1ea>] resolve_symbol.isra.61+0x4a/0xb0
[    7.393804]  [<ffffffffad16d8f6>] ? get_modinfo.isra.56+0x46/0xa0
[    7.394880]  [<ffffffffad16f777>] load_module+0xc57/0x2700
[    7.395948]  [<ffffffffad4800b4>] ? ima_post_read_file+0x74/0x90
[    7.397015]  [<ffffffffad43d6cb>] ? security_kernel_post_read_file+0x6b/0x80
[    7.398070]  [<ffffffffad27bfd2>] ? kernel_read_file+0x172/0x190
[    7.399118]  [<ffffffffad171416>] SYSC_finit_module+0x96/0xd0
[    7.400169]  [<ffffffffad17146e>] SyS_finit_module+0xe/0x10
[    7.401205]  [<ffffffffada08b64>] entry_SYSCALL_64_fastpath+0x17/0x98
[    7.402242] Code: 01 0f b6 4e ff 48 83 c2 01 84 c9 88 4a ff 75 ed
5d c3 0f 1f 00 55 48 89 e5 eb 04 84 c0 74 18 48 83 c7 01 48 83 c6 01
0f b6 47 ff <3a> 46 ff 74 eb 19 c0 5d 83 c8 01 c3 31 c0 5d c3 66 2e 0f
1f 84
[    7.403491] RIP  [<ffffffffad4dddc6>] strcmp+0x16/0x30
[    7.404605]  RSP <ffffa9de81277c20>
[    7.405706] CR2: 000000002c000000
[    7.406815] ---[ end trace 5658e0e68fb01f05 ]---


Thanks
Kui.Z