diff options
Diffstat (limited to 'firmware-Drop-WARN-from-usermodehelper_read_trylock-.patch')
| -rw-r--r-- | firmware-Drop-WARN-from-usermodehelper_read_trylock-.patch | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/firmware-Drop-WARN-from-usermodehelper_read_trylock-.patch b/firmware-Drop-WARN-from-usermodehelper_read_trylock-.patch deleted file mode 100644 index 64b7dbefa..000000000 --- a/firmware-Drop-WARN-from-usermodehelper_read_trylock-.patch +++ /dev/null @@ -1,89 +0,0 @@ -From: Laura Abbott <labbott@fedoraproject.org> -Date: Tue, 28 Apr 2015 15:37:44 -0700 -Subject: [PATCH] firmware: Drop WARN from usermodehelper_read_trylock error - case - -We've received a number of reports of warnings when coming -out of suspend with certain bluetooth firmware configurations: - -WARNING: CPU: 3 PID: 3280 at drivers/base/firmware_class.c:1126 -_request_firmware+0x558/0x810() -Modules linked in: ccm ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 -xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter -ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 -ip6table_mangle ip6table_security ip6table_raw ip6table_filter -ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 -nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw -binfmt_misc bnep intel_rapl iosf_mbi arc4 x86_pkg_temp_thermal -snd_hda_codec_hdmi coretemp kvm_intel joydev snd_hda_codec_realtek -iwldvm snd_hda_codec_generic kvm iTCO_wdt mac80211 iTCO_vendor_support -snd_hda_intel snd_hda_controller snd_hda_codec crct10dif_pclmul -snd_hwdep crc32_pclmul snd_seq crc32c_intel ghash_clmulni_intel uvcvideo -snd_seq_device iwlwifi btusb videobuf2_vmalloc snd_pcm videobuf2_core - serio_raw bluetooth cfg80211 videobuf2_memops sdhci_pci v4l2_common -videodev thinkpad_acpi sdhci i2c_i801 lpc_ich mfd_core wacom mmc_core -media snd_timer tpm_tis hid_logitech_hidpp wmi tpm rfkill snd mei_me mei -shpchp soundcore nfsd auth_rpcgss nfs_acl lockd grace sunrpc i915 -i2c_algo_bit drm_kms_helper e1000e drm hid_logitech_dj ptp pps_core -video -CPU: 3 PID: 3280 Comm: kworker/u17:0 Not tainted 3.19.3-200.fc21.x86_64 -Hardware name: LENOVO 343522U/343522U, BIOS GCET96WW (2.56 ) 10/22/2013 -Workqueue: hci0 hci_power_on [bluetooth] - 0000000000000000 0000000089944328 ffff88040acffb78 ffffffff8176e215 - 0000000000000000 0000000000000000 ffff88040acffbb8 ffffffff8109bc1a - 0000000000000000 ffff88040acffcd0 00000000fffffff5 ffff8804076bac40 -Call Trace: - [<ffffffff8176e215>] dump_stack+0x45/0x57 - [<ffffffff8109bc1a>] warn_slowpath_common+0x8a/0xc0 - [<ffffffff8109bd4a>] warn_slowpath_null+0x1a/0x20 - [<ffffffff814dbe78>] _request_firmware+0x558/0x810 - [<ffffffff814dc165>] request_firmware+0x35/0x50 - [<ffffffffa03a7886>] btusb_setup_bcm_patchram+0x86/0x590 [btusb] - [<ffffffff814d40e6>] ? rpm_idle+0xd6/0x230 - [<ffffffffa04d4801>] hci_dev_do_open+0xe1/0xa90 [bluetooth] - [<ffffffff810c51dd>] ? ttwu_do_activate.constprop.90+0x5d/0x70 - [<ffffffffa04d5980>] hci_power_on+0x40/0x200 [bluetooth] - [<ffffffff810b487c>] process_one_work+0x14c/0x3f0 - [<ffffffff810b52f3>] worker_thread+0x53/0x470 - [<ffffffff810b52a0>] ? rescuer_thread+0x300/0x300 - [<ffffffff810ba548>] kthread+0xd8/0xf0 - [<ffffffff810ba470>] ? kthread_create_on_node+0x1b0/0x1b0 - [<ffffffff81774958>] ret_from_fork+0x58/0x90 - [<ffffffff810ba470>] ? kthread_create_on_node+0x1b0/0x1b0 - -This occurs after every resume. - -When resuming, the bluetooth driver needs to re-request the -firmware. This re-request is happening before usermodehelper -is fully enabled. If the firmware load succeeded previously, the -caching behavior of the firmware code typically negates the -need to call the usermodehelper code again and the request -succeeds. If the firmware was never loaded because it isn't -actually present in the file system, this results in a call -to usermodehelper and a failure warning every resume. - -The proper fix is to add a reset_resume functionality to the -btusb driver to be able to handle the resume case. The -work for this is ongoing so in the mean time just silence -the warning since we know it's a problem. - -Bugzilla: 1133378 -Upstream-status: Working on it. It's a difficult problem :( -Signed-off-by: Laura Abbott <labbott@fedoraproject.org> ---- - drivers/base/firmware_class.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c -index 894bda114224..f7a8d27b6459 100644 ---- a/drivers/base/firmware_class.c -+++ b/drivers/base/firmware_class.c -@@ -1144,7 +1144,7 @@ _request_firmware(const struct firmware **firmware_p, const char *name, - } - } else { - ret = usermodehelper_read_trylock(); -- if (WARN_ON(ret)) { -+ if (ret) { - dev_err(device, "firmware: %s will not be loaded\n", - name); - goto out; |