[Bug 65652] [HSW] It can't enter to OS due to i915 hang up when warm boot or cold boot sometimes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65652

--- Comment #5 from EvaWang <evawang at linpus.com> ---
After add the intel_iommu=igfx_off  to kernel cmdline, it still fail. error
code is the same as before.



Jul 27 15:28:26 localhost kernel: [    3.785949] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Jul 27 15:28:26 localhost kernel: [    3.786038] Process udevd (pid: 129,
threadinfo ffff88006e606000, task ffff88006dc14620)
Jul 27 15:28:26 localhost kernel: [    3.786138] Stack:
Jul 27 15:28:26 localhost kernel: [    3.786165]  ffffffffa08dc8f5
ffffffffa08dc7cb ffffffffa08dc7cb ffffffffa08dc7cb
Jul 27 15:28:26 localhost kernel: [    3.786266]  ffffffffa08dc7cb
ffffffffa08dc8c1 ffffffffa08dc7cb ffffffffa08dc7cb
Jul 27 15:28:26 localhost kernel: [    3.786369]  ffffffffa08dc7cb
ffffffffa08dc7cb ffffffffa08dc7cb ffffffffa08dc7cb
Jul 27 15:28:26 localhost kernel: [    3.786470] Call Trace:
Jul 27 15:28:26 localhost kernel: [    3.786520]  [<ffffffffa0124a96>]
drm_get_pci_dev+0x186/0x2d0 [drm]
Jul 27 15:28:26 localhost kernel: [    3.786616]  [<ffffffffa086933c>]
i915_pci_probe+0x3c/0x90 [i915]
Jul 27 15:28:26 localhost kernel: [    3.786698]  [<ffffffff813c6c3b>]
local_pci_probe+0x4b/0x80
Jul 27 15:28:26 localhost kernel: [    3.786772]  [<ffffffff813c6f51>]
pci_device_probe+0x111/0x120
Jul 27 15:28:26 localhost kernel: [    3.786849]  [<ffffffff8148700b>]
driver_probe_device+0x8b/0x390
Jul 27 15:28:26 localhost kernel: [    3.786925]  [<ffffffff814873bb>]
__driver_attach+0xab/0xb0
Jul 27 15:28:26 localhost kernel: [    3.786997]  [<ffffffff81487310>] ?
driver_probe_device+0x390/0x390
Jul 27 15:28:26 localhost kernel: [    3.787076]  [<ffffffff8148505d>]
bus_for_each_dev+0x5d/0xa0
Jul 27 15:28:26 localhost kernel: [    3.787149]  [<ffffffff8148696e>]
driver_attach+0x1e/0x20
Jul 27 15:28:26 localhost kernel: [    3.787218]  [<ffffffff8148650e>]
bus_add_driver+0x11e/0x2a0
Jul 27 15:28:26 localhost kernel: [    3.787293]  [<ffffffffa044a000>] ?
0xffffffffa0449fff
Jul 27 15:28:26 localhost kernel: [    3.787360]  [<ffffffffa044a000>] ?
0xffffffffa0449fff
Jul 27 15:28:26 localhost kernel: [    3.787426]  [<ffffffff81487a87>]
driver_register+0x77/0x170
Jul 27 15:28:26 localhost kernel: [    3.787499]  [<ffffffffa044a000>] ?
0xffffffffa0449fff
Jul 27 15:28:26 localhost kernel: [    3.787567]  [<ffffffff813c5edc>]
__pci_register_driver+0x4c/0x50
Jul 27 15:28:26 localhost kernel: [    3.787654]  [<ffffffffa0124cfa>]
drm_pci_init+0x11a/0x130 [drm]
Jul 27 15:28:26 localhost kernel: [    3.787733]  [<ffffffffa044a000>] ?
0xffffffffa0449fff
Jul 27 15:28:26 localhost kernel: [    3.787812]  [<ffffffffa044a066>]
i915_init+0x66/0x68 [i915]
Jul 27 15:28:26 localhost kernel: [    3.787886]  [<ffffffff8100215a>]
do_one_initcall+0x12a/0x180
Jul 27 15:28:26 localhost kernel: [    3.787962]  [<ffffffff810c433e>]
load_module+0x1c1e/0x27b0
Jul 27 15:28:26 localhost kernel: [    3.788034]  [<ffffffff813bac70>] ?
ddebug_proc_open+0xc0/0xc0
Jul 27 15:28:26 localhost kernel: [    3.788110]  [<ffffffff810c4fa7>]
sys_init_module+0xd7/0x120
Jul 27 15:28:26 localhost kernel: [    3.788183]  [<ffffffff816cf659>]
system_call_fastpath+0x16/0x1b
Jul 27 15:28:26 localhost kernel: [    3.788258] Code: 80 1a 00 00 00 00 00 00
e9 01 f7 ff ff 48 c7 c6 00 c9 8d a0 48 c7 c7 50 98 8c a0 41 bc fb ff ff ff e8
b4 3d 8b ff e9 f4 f8 ff ff <48> 8b 3c 25 48 00 00 00 48 85 ff 0f 84 ce fb ff ff
e9 bd fb ff
Jul 27 15:28:26 localhost kernel: [    3.788656] RIP  [<ffffffffa086e371>]
i915_driver_load+0xe51/0xe90 [i915]
Jul 27 15:28:26 localhost kernel: [    3.788757]  RSP <ffff88006e607918>
Jul 27 15:28:26 localhost kernel: [    3.788802] CR2: 0000000000000048
Jul 27 15:28:27 localhost kdumpctl[275]: E: Dracut module "rpmversion" cannot
be found.
Jul 27 15:28:27 localhost kdumpctl[275]: E: Dracut module "rpmversion" cannot
be found.
Jul 27 15:28:27 localhost kdumpctl[275]: i18n
Jul 27 15:28:27 localhost kdumpctl[275]: convertfs
Jul 27 15:28:28 localhost kdumpctl[275]: kernel-modules
Jul 27 15:28:28 localhost kernel: [    5.389082] ---[ end trace
a23fd74953912f8f ]---
Jul 27 15:28:28 localhost kernel: [    5.888161] [drm] Enabling RC6 states: RC6
off, RC6p off, RC6pp off
Jul 27 15:28:28 localhost udevd[106]: worker [129] terminated by signal 9
(Killed)

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