Re: kernel panic

From: Vasanthakumar Thiagarajan <vthiagar@codeaurora.org>
To: Ansuel Smith <ansuelsmth@gmail.com>
Cc: ath10k@lists.infradead.org
Subject: Re: kernel panic
Date: Mon, 09 Jul 2018 10:24:26 +0530	[thread overview]
Message-ID: <a4633ff384dedc2d5945bdab61a413f6@codeaurora.org> (raw)
In-Reply-To: <CA+_ehUwejcTt5u+yf35jNeJ0KtRtVDatevhv2mZeq+qDDCfKnw@mail.gmail.com>

On 2018-07-09 06:30, Ansuel Smith wrote:
> By executing this command
> 
> cat /sys/kernel/debug/ieee80211/phy1/ath10k/tpc_stats
> cat /sys/kernel/debug/ieee80211/phy1/ath10k/tpc_stats_final i get
> can't access tpc_stats
> 
> Can someone check this?
> 
> i get this kernel panic
> 
> [ 1380.213122] Kernel panic - not syncing: stack-protector: Kernel
> stack is corrupted in: bf7fad20 [ 1380.213122] [ 1380.213187] CPU1:
> stopping [ 1380.222380] CPU: 1 PID: 3414 Comm: cat Not tainted 4.14.53
> #0 [ 1380.224892] Hardware name: Generic DT based system [
> 1380.230755] [<c030f8e8>] (unwind_backtrace) from [<c030bb2c>]
> (show_stack+0x14/0x20) [ 1380.235423] [<c030bb2c>] (show_stack) from
> [<c07846d8>] (dump_stack+0x88/0x9c) [ 1380.243314] [<c07846d8>]
> (dump_stack) from [<c030eb58>] (handle_IPI+0xf4/0x1a8) [ 1380.250343]
> [<c030eb58>] (handle_IPI) from [<c03014b8>] (gic_handle_irq+0x9c/0xb8)
> [ 1380.257546] [<c03014b8>] (gic_handle_irq) from [<c030c70c>]
> (__irq_svc+0x6c/0x90) [ 1380.265176] Exception stack(0xdb7cbce8 to
> 0xdb7cbd30) [ 1380.272753] bce0: 00000002 0000004e 00000000 00000004
> e0965145 bf809f78 [ 1380.277797] bd00: bf809f78 db7cbd8c 00000014
> e0a65000 c07dffa0 000ffecf 00000043 db7cbd38 [ 1380.285941] bd20:
> c079877c c0798780 80000013 ffffffff [ 1380.294096] [<c030c70c>]
> (__irq_svc) from [<c0798780>] (vsnprintf+0x74/0x490) [ 1380.299129]
> [<c0798780>] (vsnprintf) from [<c0798c34>] (scnprintf+0x28/0x54) [
> 1380.306328] [<c0798c34>] (scnprintf) from [<bf7e3334>]
> (ath10k_info+0xe8/0x1dc [ath10k_core]) [ 1380.313580] [<bf7e3334>]
> (ath10k_info [ath10k_core]) from [<bf7e534c>]
> (ath10k_tpc_stats_open+0x30c/0x40c [ath10k_core]) [ 1380.321853]
> [<bf7e534c>] (ath10k_tpc_stats_open [ath10k_core]) from [<c04a48c8>]
> (full_proxy_open+0x168/0x20c) [ 1380.332737] [<c04a48c8>]
> (full_proxy_open) from [<c03e39e4>]
> (do_dentry_open.constprop.4+0x208/0x344) [ 1380.342538] [<c03e39e4>]
> (do_dentry_open.constprop.4) from [<c03f6310>]
> (path_openat+0xd00/0x10b0) [ 1380.351821] [<c03f6310>] (path_openat)
> from [<c03f7624>] (do_filp_open+0x68/0xc0) [ 1380.360679] [<c03f7624>]
> (do_filp_open) from [<c03e4c8c>] (do_sys_open+0x16c/0x20c) [
> 1380.368233] [<c03e4c8c>] (do_sys_open) from [<c0307f60>]
> (ret_fast_syscall+0x0/0x54) [ 1380.375697] Rebooting in 3 seconds.. [
> 1384.384703] BUG: scheduling while atomic: swapper/0/0/0x00000100 [
> 1384.384732] Modules linked in: pppoe ppp_async ath10k_pci ath10k_core
> ath pptp pppox ppp_mppe ppp_generic mac80211 iptable_nat ipt_REJECT
> ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic
> xt_state xt_recent xt_nat xt_multiport xt_mark xt_mac xt_limit
> xt_length xt_hl xt_helper xt_esp xt_ecn xt_dscp xt_conntrack
> xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT
> xt_LOG xt_HL xt_FLOWOFFLOAD xt_DSCP xt_CLASSIFY usbserial slhc
> nf_reject_ipv4 nf_nat_rtsp nf_nat_redirect nf_nat_masquerade_ipv4
> nf_conntrack_ipv4 nf_nat_ipv4 nf_log_ipv4 nf_flow_table_hw
> nf_flow_table nf_defrag_ipv4 nf_conntrack_rtsp nf_conntrack_rtcache
> nf_conntrack_netlink iptable_mangle iptable_filter ipt_ah ipt_ECN
> ip_tables crc_ccitt compat chaoskey fuse sch_cake act_skbedit
> act_mirred em_u32 cls_u32 [ 1384.437764] cls_tcindex cls_flow
> cls_route cls_fw sch_tbf sch_htb sch_hfsc sch_ingress ledtrig_usbport
> xt_set ip_set_list_set ip_set_hash_netiface ip_set_hash_netport
> ip_set_hash_netnet ip_set_hash_net ip_set_hash_netportnet
> ip_set_hash_mac ip_set_hash_ipportnet ip_set_hash_ipportip
> ip_set_hash_ipport ip_set_hash_ipmark ip_set_hash_ip
> ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set
> nfnetlink ip6t_NPT ip6t_MASQUERADE nf_nat_masquerade_ipv6 ip6table_nat
> nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 nf_nat nf_conntrack
> ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle
> ip6table_filter ip6_

Can you try with https://patchwork.kernel.org/patch/10356157, if it is
not already done?

Vasanth

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