ath10k oops on debug_mask

[Ben Greear]

On 05/16/2016 07:41 AM, Dirk Neukirchen wrote:
> HW: Sitecom WLR-8100
>
> Trying to fix some issues that popped up recently on that device-
> in 55-ath10k in modules.d i have the lines
>
> ath10k_core debug_mask=0x00000020
> ath10k_pci
>
> to enable debug msg during firmware loading
>
> A recent trunk of LEDE w. 4.4.10 bootlog snippet is:

You probably need this patch:

https://www.mail-archive.com/ath10k@lists.infradead.org/msg04742.html

Thanks,
Ben

>
>
> [   11.287977] procd: - init -
> Please press Enter to activate this console.
> [   12.725282] zram: Added device: zram0
> [   12.746688] tun: Universal TUN/TAP device driver, 1.6
> [   12.751819] tun: (C) 1999-2004 Max Krasnyansky <maxk at qualcomm.com>
> [   12.778617] sit: IPv6 over IPv4 tunneling driver
> [   12.804016] ip6_tables: (C) 2000-2006 Netfilter Core Team
> [   12.882570] Loading modules backported from Linux version wt-2016-05-12-0-g7a54796
> [   12.890295] Backport generated by backports.git backports-20160216-0-ge3c56e4
> [   12.990872] PCI: Enabling device 0000:01:00.0 (0000 -> 0002)
> [   12.996815] ath10k_pci 0000:01:00.0: pci irq legacy oper_irq_mode 1 irq_mode 0 reset_mode 0
> [   13.250480] ath10k_pci 0000:01:00.0: Direct firmware load for ath10k/pre-cal-pci-0000:01:00.0.bin failed with error -2
> [   13.261372] ath10k_pci 0000:01:00.0: Falling back to user helper
> [   13.336990] firmware ath10k!pre-cal-pci-0000:01:00.0.bin: firmware_loading_store: map pages failed
> [   13.346353] ath10k_pci 0000:01:00.0: Direct firmware load for ath10k/cal-pci-0000:01:00.0.bin failed with error -2
> [   13.356885] ath10k_pci 0000:01:00.0: Falling back to user helper
> [   13.501649] firmware ath10k!cal-pci-0000:01:00.0.bin: firmware_loading_store: map pages failed
> [   13.828704] CPU 0 Unable to handle kernel paging request at virtual address 00000030, epc == 801b8c04, ra == 8738f594
> [   13.839497] Oops[#1]:
> [   13.841810] CPU: 0 PID: 6 Comm: kworker/u2:0 Not tainted 4.4.10 #1
> [   13.848118] Workqueue: ath10k_wq ath10k_core_stop [ath10k_core]
> [   13.854126] task: 87829900 ti: 8784a000 task.ti: 8784a000
> [   13.859596] $ 0   : 00000000 0000006e 00000002 00000000
> [   13.864929] $ 4   : 00000030 8784bc16 00000000 803bd9f8
> [   13.870262] $ 8   : 00000020 00000000 00000020 75726573
> [   13.875595] $12   : 00000000 00000100 00000000 302e303a
> [   13.880928] $16   : 00000001 00000000 8784bc16 00000004
> [   13.886260] $20   : 00000030 000000f6 00000030 00000004
> [   13.891593] $24   : 00000000 038e0fb2
> [   13.896925] $28   : 8784a000 8784bb90 873b0000 8738f594
> [   13.902259] Hi    : 00000000
> [   13.905181] Lo    : 00000010
> [   13.908106] epc   : 801b8c04 hex_dump_to_buffer+0x280/0x404
> [   13.913766] ra    : 8738f594 ath10k_dbg+0x2a8/0x308 [ath10k_core]
> [   13.919938] Status: 1100fc03	KERNEL EXL IE
> [   13.924208] Cause : 00800008 (ExcCode 02)
> [   13.928272] BadVA : 00000030
> [   13.931185] PrId  : 00019750 (MIPS 74Kc)
> [   13.935161] Modules linked in: ath10k_pci(+) ath10k_core ath mac80211 cfg80211 compat ledtrig_usbdev ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_raw ip6table_mangle ip6table_filter ip6_tables x_tables ifb sit tunnel4 ip_tunnel tun vfat fat zram lzo_decompress lzo_compress lz4_decompress lz4_compress zsmalloc usb_storage xhci_plat_hcd xhci_pci xhci_hcd ehci_platform ehci_hcd sd_mod scsi_mod gpio_button_hotplug ext4 jbd2 mbcache usbcore nls_base usb_common crc16 crypto_hash
> [   13.979502] Process kworker/u2:0 (pid: 6, threadinfo=8784a000, task=87829900, tls=00000000)
> [   13.987961] Stack : 873b94b4 873b79f8 873b79f0 00000030 00000030 872193e0 873b0000 00000031
> 	  00000001 8784bbac 0000000e 8738f33c 00000010 80400000 873b94b4 873b79f8
> 	  873b79f0 00000030 00000030 872193e0 873b0000 8738f594 8710e300 803c0f98
> 	  803c29fc 873b94b4 8784bc16 000000f6 00000001 4d3d7063 69004445 30303030
> 	  30303030 3a200030 30303a30 313a3030 2e3000b4 803c348c c03d2000 0003c788
> 	  ...
> [   14.024288] Call Trace:
> [   14.026767] [<801b8c04>] hex_dump_to_buffer+0x280/0x404
> [   14.032077] [<8738f594>] ath10k_dbg+0x2a8/0x308 [ath10k_core]
> [   14.037912]
> [   14.039424]
> Code: 02b1f023  1000001e  8fa20020 <90840000> 00044102  01074021  91080000  a0a80000  24680003
> [   14.049577] ---[ end trace b882fdc84557912b ]---
> [   14.056266] Fatal exception: panic in 5 seconds
>
> a more complete serial boot log with crash,
> normal fail (missing caldata/art extracted file) and skip_otp
> module param  is available at: https://github.com/plntyk/wlr8100
>
>
>
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>


-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com