Re: [ath9k-devel] skb_under_panic in ath9k
added ath9k-devel to Cc On 05/23/2013 12:02 AM, Marc Kleine-Budde wrote: > Hello, > > I'm on a kirkwood based armv5 system with an USB attached TP-Link > TL-WN821N - Atheros AR7010+AR9287, [1]. the wlan is running in AP mode > with hostapd-1.0. The kernel is v3.8.12 from debian (3.8-1-kirkwood #1 > Debian 3.8.12-1). > > The system crashes repeatedly after about one week with the following > oops: > > [633625.401875] skbuff: skb_under_panic: text:bf501028 len:128 put:8 > head:d2788800 data:d27887fe tail:0xd278887e end:0xd2788f40 dev:wlan1 > [633625.414180] [ cut here ] > [633625.418909] kernel BUG at > /build/buildd-linux_3.8.12-1-armel-7F6kBx/linux-3.8.12/net/core/skbuff.c:145! > [633625.428430] Internal error: Oops - BUG: 0 [#1] ARM > [633625.433322] Modules linked in: > [...] > [633625.583170] CPU: 0Not tainted (3.8-1-kirkwood #1 Debian 3.8.12-1) > [633625.589821] PC is at skb_push+0x6c/0x84 > [633625.593763] LR is at skb_push+0x6c/0x84 > [633625.597707] pc : []lr : []psr: 2013 > [633625.597707] sp : c04c1d50 ip : 08f8 fp : df04ea54 > [633625.609404] r10: 0002 r9 : 0008 r8 : df00dca8 > [633625.614734] r7 : 0006 r6 : c04410a0 r5 : d278887e r4 : d2788800 > [633625.621378] r3 : c04d328c r2 : 2093 r1 : 0001 r0 : 0079 > [633625.628015] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment > kernel > [633625.635443] Control: 0005317f Table: 1f224000 DAC: 0017 > [633625.641295] Process swapper (pid: 0, stack limit = 0xc04c01b8) > [633625.647241] Stack: (0xc04c1d50 to 0xc04c2000) > [633625.657414] 1d40: 0008 d2788800 > d27887fe d278887e > [633625.666101] 1d60: d2788f40 df04e000 df00dc00 df2e0c00 0078 bf501028 > df2e0c00 dfba3120 > [633625.675025] 1d80: d278882a df04e9a0 bf504110 dfb3ce20 0201 > 00084502 > [633625.683954] 1da0: 0001 df2e0c00 dfba3120 0008 0002 c04c1df4 > 0001 > [633625.693553] 1dc0: 006a bf5058b0 c04c1df4 c04c1e30 dfba2300 > c151ff18 df04e9a0 > [633625.702041] 1de0: c04c1e30 bf37560c 000c 4288 c04c1e2c c151ff18 > 006a df2e0c00 > [633625.710540] 1e00: dfba2300 006a df04e462 0001 > 6013 bf375760 > [633625.718904] 1e20: 0001 c14c19a0 c14c0460 c04c1e30 c04c1e30 > dfba2300 > [633625.727374] 1e40: df04e460 c151fc00 de5af200 0002 0002 dfba2300 > dfba2308 dfba28a8 > [633625.787263] 1e60: c04c1e7c dfba28ac df2e0c00 bf376d58 c0508ae0 > 012c 0080 > [633625.798914] 1e80: 03c66eab c0508ae8 c04d4c68 c04d3494 > 0006 0100 > [633625.810249] 1ea0: c052b3a0 0009 c052b3c0 c0026e2c 0001 0018 > c04c c0026644 > [633625.818620] 1ec0: c04d8f74 c1484260 1144b25a c04d8f74 0020 > c04c1f4c 0013 > [633625.831230] 1ee0: fed20200 c04c1f4c 56251311 c04d0420 > c0026a2c > [633625.842695] 1f00: 2000 c000f28c c004e27c c0271318 2013 c000df94 > c04c1f60 6013 > [633625.853824] 1f20: 000e32dc 0002404f b5def004 0002404f c04d0698 > 56251311 > [633625.864745] 1f40: c04d0420 0003 c04c1f60 c004e27c c0271318 > 2013 > [633625.875714] 1f60: b5ed22e0 0002404f 0084d405 c04d0698 > c04d0698 > [633625.886646] 1f80: c04d0420 004b8074 c0270e88 c04d0698 > c050918c c0271014 > [633625.898317] 1fa0: c04c c0509b28 c04cc1cc c096f0e0 4000 c000f484 > c04c8c20 > [633625.909787] 1fc0: c04b9650 c0498764 c0498284 > c04b9650 > [633625.918159] 1fe0: 00053175 c04c8048 c04b964c c04cc1c4 8040 > > [633625.926557] [] (skb_push+0x6c/0x84) from [] > (htc_issue_send.constprop.0+0x28/0x68 [ath9k_htc]) > [633625.937158] [] (htc_issue_send.constprop.0+0x28/0x68 > [ath9k_htc]) from [] (ath9k_htc_tx_start+0x290/0x2a4 [ath9k_htc]) > [633625.949877] [] (ath9k_htc_tx_start+0x290/0x2a4 [ath9k_htc]) > from [] (ath9k_htc_tx+0x98/0xcc [ath9k_htc]) > [633625.961458] [] (ath9k_htc_tx+0x98/0xcc [ath9k_htc]) from > [] (__ieee80211_tx+0x210/0x2a8 [mac80211]) > [633625.972695] [] (__ieee80211_tx+0x210/0x2a8 [mac80211]) from > [] (ieee80211_tx+0xbc/0xc4 [mac80211]) > [633625.983816] [] (ieee80211_tx+0xbc/0xc4 [mac80211]) from > [] (ieee80211_tx_pending+0xf0/0x194 [mac80211]) > [633625.995326] [] (ieee80211_tx_pending+0xf0/0x194 [mac80211]) > from [] (tasklet_action+0x84/0xcc) > [633626.005905] [] (tasklet_action+0x84/0xcc) from [] > (__do_softirq+0xdc/0x204) > [633626.014750] [] (__do_softirq+0xdc/0x204) from [] > (irq_exit+0x40/0x8c) > [633626.023103] [] (irq_exit+0x40/0x8c) from [] > (handle_IRQ+0x64/0x84) > [633626.031193] [] (handle_IRQ+0x64/0x84) from [] > (__irq_svc+0x34/0x78) > [633626.039412] [] (__irq_svc+0x34/0x78) from [] > (cpuidle_wrap_enter+0x54/0x9c) > [633626.048331] [] (cpuidle_wrap_enter+
Re: [ath9k-devel] skb_under_panic in ath9k
Am 24.05.2013 10:47, schrieb Marc Kleine-Budde: > added ath9k-devel to Cc > > On 05/23/2013 12:02 AM, Marc Kleine-Budde wrote: >> Hello, >> >> I'm on a kirkwood based armv5 system with an USB attached TP-Link >> TL-WN821N - Atheros AR7010+AR9287, [1]. the wlan is running in AP mode >> with hostapd-1.0. The kernel is v3.8.12 from debian (3.8-1-kirkwood #1 >> Debian 3.8.12-1). >> >> The system crashes repeatedly after about one week with the following >> oops: >> >> [633625.401875] skbuff: skb_under_panic: text:bf501028 len:128 put:8 >> head:d2788800 data:d27887fe tail:0xd278887e end:0xd2788f40 dev:wlan1 >> [633625.414180] [ cut here ] >> [633625.418909] kernel BUG at >> /build/buildd-linux_3.8.12-1-armel-7F6kBx/linux-3.8.12/net/core/skbuff.c:145! >> [633625.428430] Internal error: Oops - BUG: 0 [#1] ARM >> [633625.433322] Modules linked in: >> [...] >> [633625.583170] CPU: 0Not tainted (3.8-1-kirkwood #1 Debian 3.8.12-1) >> [633625.589821] PC is at skb_push+0x6c/0x84 >> [633625.593763] LR is at skb_push+0x6c/0x84 >> [633625.597707] pc : []lr : []psr: 2013 >> [633625.597707] sp : c04c1d50 ip : 08f8 fp : df04ea54 >> [633625.609404] r10: 0002 r9 : 0008 r8 : df00dca8 >> [633625.614734] r7 : 0006 r6 : c04410a0 r5 : d278887e r4 : d2788800 >> [633625.621378] r3 : c04d328c r2 : 2093 r1 : 0001 r0 : 0079 >> [633625.628015] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment >> kernel >> [633625.635443] Control: 0005317f Table: 1f224000 DAC: 0017 >> [633625.641295] Process swapper (pid: 0, stack limit = 0xc04c01b8) >> [633625.647241] Stack: (0xc04c1d50 to 0xc04c2000) >> [633625.657414] 1d40: 0008 d2788800 >> d27887fe d278887e >> [633625.666101] 1d60: d2788f40 df04e000 df00dc00 df2e0c00 0078 bf501028 >> df2e0c00 dfba3120 >> [633625.675025] 1d80: d278882a df04e9a0 bf504110 dfb3ce20 0201 >> 00084502 >> [633625.683954] 1da0: 0001 df2e0c00 dfba3120 0008 0002 c04c1df4 >> 0001 >> [633625.693553] 1dc0: 006a bf5058b0 c04c1df4 c04c1e30 dfba2300 >> c151ff18 df04e9a0 >> [633625.702041] 1de0: c04c1e30 bf37560c 000c 4288 c04c1e2c c151ff18 >> 006a df2e0c00 >> [633625.710540] 1e00: dfba2300 006a df04e462 0001 >> 6013 bf375760 >> [633625.718904] 1e20: 0001 c14c19a0 c14c0460 c04c1e30 c04c1e30 >> dfba2300 >> [633625.727374] 1e40: df04e460 c151fc00 de5af200 0002 0002 dfba2300 >> dfba2308 dfba28a8 >> [633625.787263] 1e60: c04c1e7c dfba28ac df2e0c00 bf376d58 c0508ae0 >> 012c 0080 >> [633625.798914] 1e80: 03c66eab c0508ae8 c04d4c68 c04d3494 >> 0006 0100 >> [633625.810249] 1ea0: c052b3a0 0009 c052b3c0 c0026e2c 0001 0018 >> c04c c0026644 >> [633625.818620] 1ec0: c04d8f74 c1484260 1144b25a c04d8f74 0020 >> c04c1f4c 0013 >> [633625.831230] 1ee0: fed20200 c04c1f4c 56251311 c04d0420 >> c0026a2c >> [633625.842695] 1f00: 2000 c000f28c c004e27c c0271318 2013 c000df94 >> c04c1f60 6013 >> [633625.853824] 1f20: 000e32dc 0002404f b5def004 0002404f c04d0698 >> 56251311 >> [633625.864745] 1f40: c04d0420 0003 c04c1f60 c004e27c c0271318 >> 2013 >> [633625.875714] 1f60: b5ed22e0 0002404f 0084d405 c04d0698 >> c04d0698 >> [633625.886646] 1f80: c04d0420 004b8074 c0270e88 c04d0698 >> c050918c c0271014 >> [633625.898317] 1fa0: c04c c0509b28 c04cc1cc c096f0e0 4000 c000f484 >> c04c8c20 >> [633625.909787] 1fc0: c04b9650 c0498764 c0498284 >> c04b9650 >> [633625.918159] 1fe0: 00053175 c04c8048 c04b964c c04cc1c4 8040 >> >> [633625.926557] [] (skb_push+0x6c/0x84) from [] >> (htc_issue_send.constprop.0+0x28/0x68 [ath9k_htc]) >> [633625.937158] [] (htc_issue_send.constprop.0+0x28/0x68 >> [ath9k_htc]) from [] (ath9k_htc_tx_start+0x290/0x2a4 [ath9k_htc]) >> [633625.949877] [] (ath9k_htc_tx_start+0x290/0x2a4 [ath9k_htc]) >> from [] (ath9k_htc_tx+0x98/0xcc [ath9k_htc]) >> [633625.961458] [] (ath9k_htc_tx+0x98/0xcc [ath9k_htc]) from >> [] (__ieee80211_tx+0x210/0x2a8 [mac80211]) >> [633625.972695] [] (__ieee80211_tx+0x210/0x2a8 [mac80211]) from >> [] (ieee80211_tx+0xbc/0xc4 [mac80211]) >> [633625.983816] [] (ieee80211_tx+0xbc/0xc4 [mac80211]) from >> [] (ieee80211_tx_pending+0xf0/0x194 [mac80211]) >> [633625.995326] [] (ieee80211_tx_pending+0xf0/0x194 [mac80211]) >> from [] (tasklet_action+0x84/0xcc) >> [633626.005905] [] (tasklet_action+0x84/0xcc) from [] >> (__do_softirq+0xdc/0x204) >> [633626.014750] [] (__do_softirq+0xdc/0x204) from [] >> (irq_exit+0x40/0x8c) >> [633626.023103] [] (irq_exit+0x40/0x8c) from [] >> (handle_IRQ+0x64/0x84) >> [633626.031193] [] (handle_IRQ+0x64/0x84) from [] >> (
Re: [ath9k-devel] skb_under_panic in ath9k
On 05/23/2013 12:02 AM, Marc Kleine-Budde wrote: > The system crashes repeatedly after about one week with the following > oops: > > [633625.401875] skbuff: skb_under_panic: text:bf501028 len:128 put:8 > head:d2788800 data:d27887fe tail:0xd278887e end:0xd2788f40 dev:wlan1 > [633625.414180] [ cut here ] > [633625.418909] kernel BUG at > /build/buildd-linux_3.8.12-1-armel-7F6kBx/linux-3.8.12/net/core/skbuff.c:145! > [633625.428430] Internal error: Oops - BUG: 0 [#1] ARM > [633625.433322] Modules linked in: > [...] > [633625.583170] CPU: 0Not tainted (3.8-1-kirkwood #1 Debian 3.8.12-1) > [633625.589821] PC is at skb_push+0x6c/0x84 > [633625.593763] LR is at skb_push+0x6c/0x84 > [633625.597707] pc : []lr : []psr: 2013 > [633625.597707] sp : c04c1d50 ip : 08f8 fp : df04ea54 > [633625.609404] r10: 0002 r9 : 0008 r8 : df00dca8 > [633625.614734] r7 : 0006 r6 : c04410a0 r5 : d278887e r4 : d2788800 > [633625.621378] r3 : c04d328c r2 : 2093 r1 : 0001 r0 : 0079 > [633625.628015] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment > kernel > [633625.635443] Control: 0005317f Table: 1f224000 DAC: 0017 > [633625.641295] Process swapper (pid: 0, stack limit = 0xc04c01b8) > [633625.647241] Stack: (0xc04c1d50 to 0xc04c2000) > [633625.657414] 1d40: 0008 d2788800 > d27887fe d278887e > [633625.666101] 1d60: d2788f40 df04e000 df00dc00 df2e0c00 0078 bf501028 > df2e0c00 dfba3120 > [633625.675025] 1d80: d278882a df04e9a0 bf504110 dfb3ce20 0201 > 00084502 > [633625.683954] 1da0: 0001 df2e0c00 dfba3120 0008 0002 c04c1df4 > 0001 > [633625.693553] 1dc0: 006a bf5058b0 c04c1df4 c04c1e30 dfba2300 > c151ff18 df04e9a0 > [633625.702041] 1de0: c04c1e30 bf37560c 000c 4288 c04c1e2c c151ff18 > 006a df2e0c00 > [633625.710540] 1e00: dfba2300 006a df04e462 0001 > 6013 bf375760 > [633625.718904] 1e20: 0001 c14c19a0 c14c0460 c04c1e30 c04c1e30 > dfba2300 > [633625.727374] 1e40: df04e460 c151fc00 de5af200 0002 0002 dfba2300 > dfba2308 dfba28a8 > [633625.787263] 1e60: c04c1e7c dfba28ac df2e0c00 bf376d58 c0508ae0 > 012c 0080 > [633625.798914] 1e80: 03c66eab c0508ae8 c04d4c68 c04d3494 > 0006 0100 > [633625.810249] 1ea0: c052b3a0 0009 c052b3c0 c0026e2c 0001 0018 > c04c c0026644 > [633625.818620] 1ec0: c04d8f74 c1484260 1144b25a c04d8f74 0020 > c04c1f4c 0013 > [633625.831230] 1ee0: fed20200 c04c1f4c 56251311 c04d0420 > c0026a2c > [633625.842695] 1f00: 2000 c000f28c c004e27c c0271318 2013 c000df94 > c04c1f60 6013 > [633625.853824] 1f20: 000e32dc 0002404f b5def004 0002404f c04d0698 > 56251311 > [633625.864745] 1f40: c04d0420 0003 c04c1f60 c004e27c c0271318 > 2013 > [633625.875714] 1f60: b5ed22e0 0002404f 0084d405 c04d0698 > c04d0698 > [633625.886646] 1f80: c04d0420 004b8074 c0270e88 c04d0698 > c050918c c0271014 > [633625.898317] 1fa0: c04c c0509b28 c04cc1cc c096f0e0 4000 c000f484 > c04c8c20 > [633625.909787] 1fc0: c04b9650 c0498764 c0498284 > c04b9650 > [633625.918159] 1fe0: 00053175 c04c8048 c04b964c c04cc1c4 8040 > > [633625.926557] [] (skb_push+0x6c/0x84) from [] > (htc_issue_send.constprop.0+0x28/0x68 [ath9k_htc]) > [633625.937158] [] (htc_issue_send.constprop.0+0x28/0x68 > [ath9k_htc]) from [] (ath9k_htc_tx_start+0x290/0x2a4 [ath9k_htc]) > [633625.949877] [] (ath9k_htc_tx_start+0x290/0x2a4 [ath9k_htc]) > from [] (ath9k_htc_tx+0x98/0xcc [ath9k_htc]) > [633625.961458] [] (ath9k_htc_tx+0x98/0xcc [ath9k_htc]) from > [] (__ieee80211_tx+0x210/0x2a8 [mac80211]) > [633625.972695] [] (__ieee80211_tx+0x210/0x2a8 [mac80211]) from > [] (ieee80211_tx+0xbc/0xc4 [mac80211]) > [633625.983816] [] (ieee80211_tx+0xbc/0xc4 [mac80211]) from > [] (ieee80211_tx_pending+0xf0/0x194 [mac80211]) > [633625.995326] [] (ieee80211_tx_pending+0xf0/0x194 [mac80211]) > from [] (tasklet_action+0x84/0xcc) > [633626.005905] [] (tasklet_action+0x84/0xcc) from [] > (__do_softirq+0xdc/0x204) > [633626.014750] [] (__do_softirq+0xdc/0x204) from [] > (irq_exit+0x40/0x8c) > [633626.023103] [] (irq_exit+0x40/0x8c) from [] > (handle_IRQ+0x64/0x84) > [633626.031193] [] (handle_IRQ+0x64/0x84) from [] > (__irq_svc+0x34/0x78) > [633626.039412] [] (__irq_svc+0x34/0x78) from [] > (cpuidle_wrap_enter+0x54/0x9c) > [633626.048331] [] (cpuidle_wrap_enter+0x54/0x9c) from [] > (cpuidle_enter_state+0x14/0x68) > [633626.058162] [] (cpuidle_enter_state+0x14/0x68) from > [] (cpuidle_idle_call+0x138/0x25c) > [633626.067998] [] (cpuidle_idle_call+0x138/0x25c) from > [] (cpu_idle+0x68/0xc8) > [633626.076852] [] (cpu_idle+0x68/0xc
