Am Mon, 2 Apr 2018 08:34:35 -0400 schrieb Jason Andryuk <jandryuk@xxxxxxxxx>: > The HP EliteBook G3 850 has a weird bug where a subsequent cold boot > hangs while plugged in if Linux enables the Host Notify features of > i2c-i801. The cold boot hang depends on how the system boots. It > does not hang on UEFI Grub text boot or legacy Grub text boot. But > it does hang on legacy Grub graphical boot and Intel Boot Agent PXE > text boot. Booting unplugged is not affected. > > Disabling the Host Notify feature with disable_feature=0x20 works > around the bug, so automatically do so based on DMI information. > > More information can be found here: > https://www.spinics.net/lists/linux-i2c/msg33938.html I'm faced with similar cold boot issues on my HP ProBook 430 G4 model. Trying your hint with adding "options i2c_i801 disable_features=0x20" to /etc/modprobe.d/i2c_i801.conf doesn't seem to solve it for me. root@laptop64:/root # systool -v -m i2c_i801 Module = "i2c_i801" Attributes: coresize = "28672" initsize = "0" initstate = "live" refcnt = "0" srcversion = "A40BF457CFB8C7887EB2045" taint = "" uevent = <store method only> Parameters: disable_features = "32" Sections: .bss = "0xffffffffc0801800" .data = "0xffffffffc0801120" .exit.text = "0xffffffffc07fe463" .gnu.linkonce.this_module= "0xffffffffc08014c0" .init.text = "0xffffffffc070b000" .note.gnu.build-id = "0xffffffffc07ff000" .orc_unwind = "0xffffffffc0800140" .orc_unwind_ip = "0xffffffffc07ffe38" .parainstructions = "0xffffffffc07ff548" .rodata.str1.1 = "0xffffffffc07ff284" .rodata.str1.8 = "0xffffffffc07ff028" .rodata = "0xffffffffc07ff560" .smp_locks = "0xffffffffc07ff280" .strtab = "0xffffffffc070d350" .symtab = "0xffffffffc070c000" .text = "0xffffffffc07fc000" __jump_table = "0xffffffffc0801000" __mcount_loc = "0xffffffffc08005d0" __param = "0xffffffffc07ffe10" __verbose = "0xffffffffc0801220" My system boots legacy grub in text mode (KMS) and seems to keep hanging even with that option set. Do you have any further idea? -Andy Arch linux
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