fan issues with system76 gazelle running gentoo

[herminio.hernandezjr at gmail.com]

On Thursday, November 24, 2016 1:56:40 AM MST herminio.hernandezjr at gmail.com 
wrote:
> I am gentoo installed on my system76 gazelle laptop. I just got it this week
> and for some reason I cannot control the fan speed.Even when idle the fan
> runs. I installed lm_sensors, however it does not detect the fan (see
> below). Has anyone ran into something similar before?
> 
> Thanks!
> 
> gentoo-gazelle ~ # sensors
> acpitz-virtual-0
> Adapter: Virtual device
> temp1:        +37.0°C  (crit = +120.0°C)
> 
> coretemp-isa-0000
> Adapter: ISA adapter
> Physical id 0:  +37.0°C  (high = +100.0°C, crit = +100.0°C)
> Core 0:         +34.0°C  (high = +100.0°C, crit = +100.0°C)
> Core 1:         +35.0°C  (high = +100.0°C, crit = +100.0°C)
> Core 2:         +36.0°C  (high = +100.0°C, crit = +100.0°C)
> Core 3:         +33.0°C  (high = +100.0°C, crit = +100.0°C)
> 
> 
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I am thinking my issues could be related to my wifi card. I am seeing a lot 
errors like this in dmesg,

[ 9714.208985] ieee80211 phy0: Hardware restart was requested
[ 9714.209020] iwlwifi 0000:03:00.0: FW error in SYNC CMD STATISTICS_CMD
[ 9714.209035] CPU: 7 PID: 1832 Comm: ksysguardd Tainted: G           OE   
4.4.0-47-generic #68-Ubuntu
[ 9714.209041] Hardware name: System76, Inc. Gazelle/Gazelle, BIOS 1.05.02RSA1 
09/09/2016
[ 9714.209047]  0000000000000286 000000005aff73ab ffff880813eafb88 
ffffffff813f5aa3
[ 9714.209058]  ffff880813eafc30 00000000fffffffb ffff880813eafbf8 
ffffffffc057e3ec
[ 9714.209066]  ffff880847af23c0 0000000000000000 ffff880846648ec0 
ffffffff810c3ed0
[ 9714.209074] Call Trace:
[ 9714.209091]  [<ffffffff813f5aa3>] dump_stack+0x63/0x90
[ 9714.209120]  [<ffffffffc057e3ec>] iwl_trans_pcie_send_hcmd+0x44c/0x5a0 
[iwlwifi]
[ 9714.209131]  [<ffffffff810c3ed0>] ? wake_atomic_t_function+0x60/0x60
[ 9714.209158]  [<ffffffffc081f97d>] iwl_mvm_send_cmd+0x3d/0xb0 [iwlmvm]
[ 9714.209182]  [<ffffffffc0820c32>] iwl_mvm_request_statistics+0x72/0x100 
[iwlmvm]
[ 9714.209201]  [<ffffffffc0814e10>] iwl_mvm_mac_sta_statistics+0x80/0xd0 
[iwlmvm]
[ 9714.209249]  [<ffffffffc0b7624e>] sta_set_sinfo+0xae/0x890 [mac80211]
[ 9714.209299]  [<ffffffffc0b8bc02>] ieee80211_get_station+0x52/0x70 
[mac80211]
[ 9714.209352]  [<ffffffffc04aa54c>] cfg80211_wireless_stats+0xcc/0x2c0 
[cfg80211]
[ 9714.209363]  [<ffffffff8181b050>] get_wireless_stats+0x20/0x50
[ 9714.209371]  [<ffffffff8181b444>] wireless_dev_seq_show+0x34/0x180
[ 9714.209380]  [<ffffffff81832e8f>] ? mutex_lock+0x1f/0x30
[ 9714.209389]  [<ffffffff812321c6>] seq_read+0x2d6/0x390
[ 9714.209399]  [<ffffffff8127ab02>] proc_reg_read+0x42/0x70
[ 9714.209408]  [<ffffffff8120d548>] __vfs_read+0x18/0x40
[ 9714.209416]  [<ffffffff8120db16>] vfs_read+0x86/0x130
[ 9714.209425]  [<ffffffff8120e865>] SyS_read+0x55/0xc0
[ 9714.209434]  [<ffffffff81834ff2>] entry_SYSCALL_64_fastpath+0x16/0x71

From what I can find online this could be a hardware issue. I have a ticket 
opened with System76. Will keep everyone updated.