s.gottschall@xxxxxxxxxx writes: > From: Sebastian Gottschall <s.gottschall@xxxxxxxxxx> > > fixes crash seen on arm smp systems (gateworks ventana imx6) > > Signed-off-by: Sebastian Gottschall <s.gottschall@xxxxxxxxxx> > > v2: fix wrong field and add signed-off-by > v3: forgot to include correct latest patch, so just fix that and refresh > > Unable to handle kernel NULL pointer dereference at virtual address 00000014 > pgd = 80004000 > [00000014] *pgd=00000000 > Internal error: Oops - BUG: 17 [#1] PREEMPT SMP ARM > Modules linked in: ip6table_filter nf_conntrack_ipv6 ip6_tables nf_log_ipv6 nf_defrag_ipv6 shortcut_fe ipcomp6 xfrm_ipcomp xfrm6_tunnel xfrm6_mode_tunnel xfrm6_mode_transport xfrm6_mode_ro xfrm6_mode_beet ip6_tunnel tunnel6 mip6 ah6 esp6 xfrm_algo sit ip_tunnel tunnel4 ipv6 ath10k_pci ath10k_core ath9k ath mac80211 cfg80211 compat ath_pci ath_hal(P) caamalg authencesn authenc caamrng caamhash caam_jr caam cdc_ncm usbnet usbcore sky2 imx2_wdt > CPU: 0 PID: 3 Comm: ksoftirqd/0 Tainted: P 4.9.85 #19 > Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > task: bf064980 task.stack: bf07c000 > PC is at relay_buf_full+0xc/0x30 > LR is at _674+0x740/0xf10 [ath9k] > pc : [<8018bce0>] lr : [<7f1aa604>] psr: 80000013 > sp : bf07dbf0 ip : bf07dc00 fp : bf07dbfc > r10: 0000003f r9 : bf130e00 r8 : 809044b0 > r7 : 00000000 r6 : be67a9f0 r5 : 00000000 r4 : 809043e4 > r3 : c0864c24 r2 : 00000000 r1 : 00000004 r0 : 00000000 > Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user > Control: 10c5387d Table: 4e6a004a DAC: 00000055 > Process ksoftirqd/0 (pid: 3, stack limit = 0xbf07c210) > Stack: (0xbf07dbf0 to 0xbf07e000) > dbe0: bf07dd04 bf07dc00 7f1aa604 8018bce0 > dc00: 00004014 be59e010 bf07dc34 bf07dc18 7f1a7084 7f19c07c be59c010 be6470a0 > dc20: 0000096c be648954 bf07dc6c bf07dc38 7f1c286c bf07dd90 bf07dc5c bf07dc48 > dc40: 8029ea4c 0000003c 00000001 be59c010 00000094 00000000 00000000 00000000 > dc60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > dc80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > dca0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > dcc0: 00000000 00000000 00000000 00000000 00000000 00000000 8010ef24 00000030 > dce0: be94f5e8 be6485a0 bddf0200 be59c010 be6465a0 be6415a0 bf07ddf4 bf07dd08 > dd00: 7f1cf800 7f1aa55c 1fc38c4c 00000000 bf07dd58 cccccccd 66666667 be640bc0 > dd20: bf07dd54 be6415a0 1fc38c4c 00000000 00000000 be59c038 be67a9c0 be59e010 > dd40: be67a9f0 be647170 8090c904 be59c010 00000000 00000001 1fc38e84 00000000 > dd60: be640bc0 bddf0200 00000200 00000010 0000003f 00000002 20000013 be59c010 > dd80: 8092d940 bf7ca2c0 bf07ddb4 bf07dd98 1fc38c4c 2602003f 0100ff1b 80ff1b00 > dda0: 00808080 00000000 00000000 80808080 80808080 80808080 80808080 00008080 > ddc0: 00000000 00000000 7f1b62b8 00000002 be6470ec be6470f0 00000000 bf07de98 > dde0: 8092d940 be6415a0 bf07de94 bf07ddf8 7f1d1ed8 7f1cf1fc 00000000 00000000 > de00: bf7cc4c0 00000400 be6470f0 bf07de18 8015165c be59c010 8090453c 8090453c > de20: bf07dec4 be6465a0 8014f614 80148884 0000619a 00000001 bf07c000 00000100 > de40: bf07de78 00000001 7f327850 00000002 afb50401 bf064980 bf07de9c bf07de68 > de60: bf064a00 803cc668 bf064a00 be6470b4 be6470b8 80844180 00000000 bf07de98 > de80: 8092d940 bf07c000 bf07dec4 bf07de98 80124d18 7f1d1c44 80124c94 00000000 > dea0: 00000006 80902098 80902080 40000006 00000100 bf07c000 bf07df24 bf07dec8 > dec0: 8012501c 80124ca0 bf7cc4c0 bf064980 be95e1c0 04208040 80902d00 000061c7 > dee0: 0000000a 80600b54 8092d940 808441f8 80902080 bf07dec8 bf03b200 bf07c000 > df00: bf03b200 8090fe54 00000000 00000000 00000000 00000000 bf07df34 bf07df28 > df20: 80125148 80124f28 bf07df5c bf07df38 8013deb4 8012511c 00000000 bf03b240 > df40: bf03b200 8013dc90 00000000 00000000 bf07dfac bf07df60 8013ad40 8013dc9c > df60: 70448040 00000001 00000000 bf03b200 00000000 00030003 bf07df78 bf07df78 > df80: 00000000 00000000 bf07df88 bf07df88 bf03b240 8013ac48 00000000 00000000 > dfa0: 00000000 bf07dfb0 80107760 8013ac54 00000000 00000000 00000000 00000000 > dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 8c120004 1190ad04 > Backtrace: > [<8018bcd4>] (relay_buf_full) from [<7f1aa604>] (_674+0x740/0xf10 [ath9k]) > [<7f1aa550>] (_674 [ath9k]) from [<7f1cf800>] (_582+0x14b4/0x3708 [ath9k]) > r10:be6415a0 r9:be6465a0 r8:be59c010 r7:bddf0200 r6:be6485a0 r5:be94f5e8 > r4:00000030 > [<7f1cf1f0>] (_582 [ath9k]) from [<7f1d1ed8>] (_735+0x2a0/0xec4 [ath9k]) > r10:be6415a0 r9:8092d940 r8:bf07de98 r7:00000000 r6:be6470f0 r5:be6470ec > r4:00000002 > [<7f1d1c38>] (_735 [ath9k]) from [<80124d18>] (tasklet_action+0x84/0xf8) > r10:bf07c000 r9:8092d940 r8:bf07de98 r7:00000000 r6:80844180 r5:be6470b8 > r4:be6470b4 > [<80124c94>] (tasklet_action) from [<8012501c>] (__do_softirq+0x100/0x1f4) > r10:bf07c000 r9:00000100 r8:40000006 r7:80902080 r6:80902098 r5:00000006 > r4:00000000 r3:80124c94 > [<80124f1c>] (__do_softirq) from [<80125148>] (run_ksoftirqd+0x38/0x4c) > r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:8090fe54 r5:bf03b200 > r4:bf07c000 > [<80125110>] (run_ksoftirqd) from [<8013deb4>] (smpboot_thread_fn+0x224/0x260) > [<8013dc90>] (smpboot_thread_fn) from [<8013ad40>] (kthread+0xf8/0x100) > r9:00000000 r8:00000000 r7:8013dc90 r6:bf03b200 r5:bf03b240 r4:00000000 > [<8013ac48>] (kthread) from [<80107760>] (ret_from_fork+0x14/0x34) > r7:00000000 r6:00000000 r5:8013ac48 r4:bf03b240 > Code: e89da800 e1a0c00d e92dd800 e24cb004 (e5901014) > ---[ end trace dddf11ac9111b272 ]--- > Kernel panic - not syncing: Fatal exception in interrupt > CPU1: stopping > CPU: 1 PID: 0 Comm: swapper/1 Tainted: P D 4.9.85 #19 > Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > Backtrace: > [<8010a708>] (dump_backtrace) from [<8010a99c>] (show_stack+0x18/0x1c) > r7:bf093f58 r6:20000193 r5:809168e8 r4:00000000 > [<8010a984>] (show_stack) from [<802a09c4>] (dump_stack+0x94/0xa8) > [<802a0930>] (dump_stack) from [<8010d184>] (handle_IPI+0xe8/0x180) > r7:bf093f58 r6:00000000 r5:00000001 r4:808478c4 > [<8010d09c>] (handle_IPI) from [<801013e8>] (gic_handle_irq+0x78/0x7c) > r7:f4000100 r6:bf093f58 r5:f400010c r4:8090467c > [<80101370>] (gic_handle_irq) from [<8010b378>] (__irq_svc+0x58/0x8c) > Exception stack(0xbf093f58 to 0xbf093fa0) > 3f40: bf7d62a0 00000000 > 3f60: 0010a5f4 80113460 bf092000 809043e4 00000002 80904434 bf092008 412fc09a > 3f80: 00000000 bf093fb4 bf093fb8 bf093fa8 8010804c 80108050 60000013 ffffffff > r9:bf092000 r8:bf092008 r7:bf093f8c r6:ffffffff r5:60000013 r4:80108050 > [<80108014>] (arch_cpu_idle) from [<80553c2c>] (default_idle_call+0x30/0x34) > [<80553bfc>] (default_idle_call) from [<80158394>] (cpu_startup_entry+0xc4/0xfc) > [<801582d0>] (cpu_startup_entry) from [<8010ce40>] (secondary_start_kernel+0x168/0x174) > r7:8092d2f8 r4:80913568 > [<8010ccd8>] (secondary_start_kernel) from [<10101488>] (0x10101488) > r5:00000055 r4:4f07806a > Rebooting in 10 seconds.. > Reboot failed -- System halted Apparently the automatic email was not sent, no idea why. But this was applied to ath-next few days ago: 221b6ec69ed9 ath9k: fix crash in spectral scan -- Kalle Valo
