Re: 4.7-rc1 wifi driver bug report
On Wed, Jun 1, 2016 at 10:22 PM, Arend Van Spriel wrote: > On 31-5-2016 13:46, Grey Christoforo wrote: >> Hi, >> >> I found the following in my dmesg today when I tried out 4.7-rc1 on my >> Dell XPS15 9550. My WiFi doesn't work. >> >> Relevant bits of my lsusb & lspci are: >> >> $ lsusb >> ... >> Bus 001 Device 002: ID 0a5c:6410 Broadcom Corp. >> ... >> $ lspci >> ... >> 02:00.0 Network controller: Broadcom Corporation BCM43602 802.11ac >> Wireless LAN SoC (rev 01) >> ... >> >> and here's the first BUG from from dmesg: > > Hi Grey, > > I have submitted a patch for this a moment ago. You can find it here [1] > as well. Let me know if it works for you. > > Regards, > Arend > > [1] > http://mid.gmane.org/1464815616-21551-1-git-send-email-ar...@broadcom.com Hi Arend, That patch solves the issue for me. Thanks very much! ¬grey
Re: 4.7-rc1 wifi driver bug report
On 31-5-2016 13:46, Grey Christoforo wrote: > Hi, > > I found the following in my dmesg today when I tried out 4.7-rc1 on my > Dell XPS15 9550. My WiFi doesn't work. > > Relevant bits of my lsusb & lspci are: > > $ lsusb > ... > Bus 001 Device 002: ID 0a5c:6410 Broadcom Corp. > ... > $ lspci > ... > 02:00.0 Network controller: Broadcom Corporation BCM43602 802.11ac > Wireless LAN SoC (rev 01) > ... > > and here's the first BUG from from dmesg: Hi Grey, I have submitted a patch for this a moment ago. You can find it here [1] as well. Let me know if it works for you. Regards, Arend [1] http://mid.gmane.org/1464815616-21551-1-git-send-email-ar...@broadcom.com > BUG: unable to handle kernel NULL pointer dereference at 0048 > IP: [] enqueue_to_backlog+0x56/0x260 > PGD 0 > Oops: [#1] PREEMPT SMP > Modules linked in: fuse ipt_MASQUERADE nf_nat_masquerade_ipv4 > iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype > iptable_filter xt_conntrack nf_nat nf_conntrack br_netfilter bridge > stp llc snd_hda_codec_hdmi nls_iso8859_1 nls_cp437 vfat fat > snd_hda_codec_realtek snd_hda_codec_generic joydev mousedev mei_wdt > uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 > i2c_designware_platform videobuf2_core i2c_designware_core > hid_multitouch hid_generic videodev dell_laptop media cdc_acm > dell_smbios mxm_wmi dcdbas x86_pkg_temp_thermal intel_powerclamp > coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul > ghash_clmulni_intel aesni_intel btusb btrtl aes_x86_64 lrw gf128mul > glue_helper ablk_helper cryptd evdev input_leds led_class > snd_hda_intel psmouse mac_hid snd_hda_codec > serio_raw pcspkr brcmfmac snd_hda_core snd_hwdep i915 i2c_i801 idma64 > brcmutil snd_pcm snd_timer drm_kms_helper snd cfg80211 soundcore > rtsx_pci_ms drm memstick mei_me intel_gtt syscopyarea usbhid > sysfillrect sysimgblt mei intel_lpss_pci processor_thermal_device > fb_sys_fops i2c_hid i2c_algo_bit intel_soc_dts_iosf fan shpchp thermal > hid battery hci_uart btbcm btqca btintel bluetooth int3403_thermal > dell_smo8800 wmi video pinctrl_sunrisepoint rfkill pinctrl_intel crc16 > intel_lpss_acpi intel_hid intel_lpss int3400_thermal int3402_thermal > acpi_thermal_rel int340x_thermal_zone button acpi_pad ac sparse_keymap > acpi_als kfifo_buf industrialio tpm_tis fjes tpm sch_fq_codel > ip_tables x_tables btrfs xor raid6_pq rtsx_pci_sdmmc mmc_core atkbd > libps2 crc32c_intel ahci libahci xhci_pci libata xhci_hcd > rtsx_pci scsi_mod usbcore usb_common i8042 serio nvme nvme_core > CPU: 7 PID: 1340 Comm: irq/136-brcmf_p Not tainted 4.7.0-rc1-mainline #1 > Hardware name: Dell Inc. XPS 15 9550/0N7TVV, BIOS 01.02.00 04/07/2016 > task: 8804a0c5bd00 ti: 88049e124000 task.ti: 88049e124000 > RIP: 0010:[] [] > enqueue_to_backlog+0x56/0x260 > RSP: 0018:88049e127ca0 EFLAGS: 00010046 > RAX: RBX: 8804bddd7c40 RCX: 002f > RDX: RSI: 0007 RDI: 8804bddd7d4c > RBP: 88049e127ce8 R08: R09: > R10: 8804bddd12c0 R11: 149e R12: 00017c40 > R13: 88049e127d08 R14: 8804a9bd6d00 R15: 8804bddd7d4c > FS: () GS:8804bddc() knlGS: > CS: 0010 DS: ES: CR0: 80050033 > CR2: 0048 CR3: 01806000 CR4: 003406e0 > DR0: DR1: DR2: > DR3: DR6: fffe0ff0 DR7: 0400 > Stack: > 8804bdddad00 8804ad089e00 0282 > 8804a9bd6d00 8804a1b27e00 8804a9bd6d00 > 88002ee88000 88049e127d28 814c3f3b 81311fc3 > Call Trace: > [] netif_rx_internal+0x4b/0x170 > [] ? swiotlb_tbl_unmap_single+0xf3/0x120 > [] netif_rx_ni+0x27/0xc0 > [] brcmf_netif_rx+0x49/0x70 [brcmfmac] > [] brcmf_msgbuf_process_rx+0x2b4/0x570 [brcmfmac] > [] ? __xen_set_pgd_hyper+0x57/0xd0 > [] ? irq_forced_thread_fn+0x70/0x70 > [] brcmf_proto_msgbuf_rx_trigger+0x31/0xe0 [brcmfmac] > [] brcmf_pcie_isr_thread+0x7f/0x110 [brcmfmac] > [] irq_thread_fn+0x20/0x50 > [] irq_thread+0x12d/0x1c0 > [] ? __schedule+0x2f5/0x7a0 > [] ? wake_threads_waitq+0x30/0x30 > [] ? irq_thread_dtor+0xb0/0xb0 > [] kthread+0xd8/0xf0 > [] ret_from_fork+0x1f/0x40 > [] ? kthread_worker_fn+0x170/0x170 > Code: 1c f5 60 9a 8e 81 9c 58 0f 1f 44 00 00 48 89 45 d0 fa 66 0f 1f > 44 00 00 4c 8d bb 0c 01 00 00 4c 89 ff e8 5e 08 11 00 49 8b 56 20 <48> > 8b 52 48 83 e2 01 74 10 8b 8b 08 01 00 00 8b 15 59 c5 42 00 > RIP [] enqueue_to_backlog+0x56/0x260 > RSP > CR2: 0048 > ---[ end trace df3126016b38615b ]--- > > Cheers, > ¬grey >