Return-path: Received: from magic.merlins.org ([209.81.13.136]:45492 "EHLO mail1.merlins.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752594AbdHQAKb (ORCPT ); Wed, 16 Aug 2017 20:10:31 -0400 Date: Wed, 16 Aug 2017 16:38:44 -0700 From: Marc MERLIN To: Luca Coelho Cc: linux-wireless@vger.kernel.org Message-ID: <20170816233844.qtigfurckdr44awa@merlins.org> (sfid-20170817_021037_537439_F8B92ED1) References: <20170526024826.3qjx7pe3kz44klk3@merlins.org> <1496396575.9478.54.camel@coelho.fi> <20170603165950.GC29546@merlins.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20170603165950.GC29546@merlins.org> Subject: Re: After upgrading to 4.11.1, wifi driver refuses to load after being unloaded once. Sender: linux-wireless-owner@vger.kernel.org List-ID: 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