Re: After upgrading to 4.11.1, wifi driver refuses to load after being unloaded once.

[Marc MERLIN <marc@merlins.org>]

Ping?

On Wed, Aug 16, 2017 at 04:38:44PM -0700, Marc MERLIN wrote:
> On Sat, Jun 03, 2017 at 09:59:50AM -0700, Marc MERLIN wrote:
> > On Fri, Jun 02, 2017 at 12:42:55PM +0300, Luca Coelho wrote:
> > > I kernel v4.9, we stopped supporting firmware versions smaller than 22
> > > for the 8260.  But unfortunately I made a mistake in the patch[1] when I
> > > removed support for those firmwares and I used 17, which is the lowest
> > > version for 7260 devices.
> > > 
> > > I have just sent out a patch[2] with a fix for that.
> > > 
> > > You can probably solve your problem by getting the latest firmware we
> > > have released, which is version 27.  You can get it from the linux-
> > > firmware.git repository[3].  Please try that and let us know how it
> > > goes.
> >  
> > Thanks. I think the other problem is that
> > https://wireless.wiki.kernel.org/en/users/drivers/iwlwifihttps://wireless.wiki.kernel.org/en/users/drivers/iwlwifi
> > says to use 'iwlwifi-8000-ucode-16.242414.0.tgz' for 4.3+ kenrels.
> > and strangely says "iwlwifi-8000-ucode-25.30.13.0.tgz" for 4.1+ kernels.
> > 
> > Unless I'm crazy, it didn't have -25 when I looked last time.
> > Is there a way to keep what I thought was the canonical page, up to date?
> > 
> > Firmware 27 seems to work, but I'm getting allocation error/warnings?
> 
> Ok, now I'm getting this error with 4.11.6 when loading the module
> (after having unloaded it while on batteries, to save power):
> 
> Intel(R) Wireless WiFi driver for Linux
> Copyright(c) 2003- 2015 Intel Corporation
> ------------[ cut here ]------------
> WARNING: CPU: 3 PID: 1147 at drivers/net/wireless/intel/iwlwifi/pcie/trans.c:1913 iwl_trans_pcie_grab_nic_access+0xcc/0xe1 [iwlwifi]
> Timeout waiting for hardware access (CSR_GP_CNTRL 0xffffffff)
> Modules linked in: iwlwifi(+) cfg80211 uvcvideo e1000e rndis_host cdc_ether usbnet cmac ccm ipt_MASQUERADE nf_nat_masquerade_ipv4 ipt_REJECT nf_reject_ipv4 xt_tcpudp xt_conntrack nf_log_ipv4 nf_log_common xt_LOG iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle ebtable_filter ebtables ip6table_filter ip6_tables rfcomm iptable_filter ip_tables x_tables bnep pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) autofs4 binfmt_misc uinput nfsd auth_rpcgss nfs_acl nfs lockd grace fscache sunrpc nls_utf8 nls_cp437 vfat fat configs input_polldev loop firewire_sbp2 firewire_core crc_itu_t cuse ecryptfs ppdev parport_pc lp parport hid_generic videobuf2_vmalloc videobuf2_memops btusb videobuf2_v4l2 btrtl videobuf2_core btbcm btintel videodev media
>  usbhid bluetooth hid joydev arc4 snd_hda_codec_realtek snd_hda_codec_generic coretemp snd_hda_intel x86_pkg_temp_thermal intel_powerclamp snd_hda_codec kvm_intel snd_hda_core rtsx_pci_ms iTCO_wdt kvm memstick rtsx_pci_sdmmc iTCO_vendor_support mei_wdt snd_hwdep thinkpad_acpi irqbypass snd_pcm nvram crct10dif_pclmul crc32_pclmul snd_seq ghash_clmulni_intel snd_seq_device intel_cstate efi_pstore intel_rapl_perf snd_timer xhci_pci pcspkr psmouse efivars i2c_i801 xhci_hcd snd rtsx_pci nvidiafb sg usbcore vgastate fb_ddc mei_me intel_pch_thermal soundcore rfkill wmi hwmon battery ac tpm_crb tpm_tis tpm_tis_core tpm sata_sil24 r8169 mii fuse fan raid456 multipath mmc_block mmc_core dm_snapshot dm_bufio dm_mirror dm_region_hash dm_log dm_crypt dm_mod async_raid6_recov async_pq async_xor async_memcpy
>  async_tx blowfish_x86_64 blowfish_common crc32c_intel bcache aesni_intel i915 ptp aes_x86_64 crypto_simd input_leds cryptd glue_helper serio_raw pps_core shpchp thermal evdev [last unloaded: cfg80211]
> CPU: 3 PID: 1147 Comm: modprobe Tainted: G        W  OE   4.11.6-amd64-preempt-sysrq-20170406 #6
> Hardware name: LENOVO 20ERCTO1WW/20ERCTO1WW, BIOS N1DET41W (1.15 ) 12/31/2015
> Call Trace:
>  dump_stack+0x61/0x7d
>  __warn+0xc2/0xdd
>  warn_slowpath_fmt+0x5a/0x76
>  ? iwl_read32+0x1f/0x7f [iwlwifi]
>  iwl_trans_pcie_grab_nic_access+0xcc/0xe1 [iwlwifi]
>  iwl_trans_pcie_alloc+0x2fb/0x7d4 [iwlwifi]
>  iwl_pci_probe+0x30/0x301 [iwlwifi]
>  ? _raw_spin_unlock_irqrestore+0x14/0x24
>  ? __pm_runtime_resume+0x4d/0x58
>  local_pci_probe+0x3d/0x80
>  pci_device_probe+0xf9/0x13c
>  driver_probe_device+0x19d/0x3f2
>  __driver_attach+0x80/0xdb
>  ? driver_probe_device+0x3f2/0x3f2
>  bus_for_each_dev+0x69/0xa7
>  driver_attach+0x1e/0x20
>  bus_add_driver+0xfd/0x239
>  driver_register+0x88/0xbf
>  ? 0xffffffffc06bf000
>  __pci_register_driver+0x4c/0x4e
>  iwl_pci_register_driver+0x24/0x3b [iwlwifi]
>  ? 0xffffffffc06bf000
>  iwl_drv_init+0x65/0x67 [iwlwifi]
>  do_one_initcall+0x9f/0x160
>  ? slab_pre_alloc_hook+0x1a/0x44
>  ? slab_post_alloc_hook.isra.47+0xe/0x1d
>  ? kmem_cache_alloc_trace+0xec/0xfc
>  do_init_module+0x5f/0x1f7
>  load_module+0x1e6e/0x2595
>  ? strstarts+0x28/0x28
>  ? vfs_read+0xb5/0xdc
>  SYSC_finit_module+0xa2/0xe6
>  ? SYSC_finit_module+0xa2/0xe6
>  SyS_finit_module+0xe/0x10
>  do_syscall_64+0x6b/0x7d
>  entry_SYSCALL64_slow_path+0x25/0x25
> RIP: 0033:0x7f3e447ce119
> RSP: 002b:00007ffec7b402d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
> RAX: ffffffffffffffda RBX: 0000564e79be53e0 RCX: 00007f3e447ce119
> RDX: 0000000000000000 RSI: 0000564e79345246 RDI: 0000000000000004
> RBP: 0000564e79345246 R08: 0000000000000000 R09: 0000000000000000
> R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
> R13: 0000564e79be7770 R14: 0000000000040000 R15: 0000000000040000
> ---[ end trace 35b5c8836a5906b1 ]---
> iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-28.ucode failed with error -2
> iwlwifi 0000:04:00.0: Falling back to user helper
> iwlwifi 0000:04:00.0: capa flags index 3 larger than supported by driver
> iwlwifi 0000:04:00.0: loaded firmware version 27.455470.0 op_mode iwlmvm
> iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 8260, REV=0xFFFC
> iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
> iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
> [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=90832 end=90833) time 312 us, min 2146, max 2159, scanline start 2120, end 2162
> iwlwifi 0000:04:00.0: Could not load the [0] uCode section
> iwlwifi 0000:04:00.0: Failed to start INIT ucode: -5
> [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=93049 end=93050) time 335 us, min 2146, max 2159, scanline start 2131, end 2176
> iwlwifi 0000:04:00.0: Failed to run INIT ucode: -5
> iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
> 
> -- 
> "A mouse is a device used to point at the xterm you want to type in" - A.S.R.
> Microsoft is to operating systems ....
>                                       .... what McDonalds is to gourmet cooking
> Home page: http://marc.merlins.org/                         | PGP 1024R/763BE901
> 

-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/                         | PGP 1024R/763BE901