From: Sebastian Gottschall <s.gottschall@newmedia-net.de>
To: "Dave Taht" <dave.taht@gmail.com>,
"Toke Høiland-Jørgensen" <toke@redhat.com>
Cc: Dave Taht <dave@taht.net>, Cake List <cake@lists.bufferbloat.net>,
Battle of the Mesh Mailing List <battlemesh@ml.ninux.org>,
Make-Wifi-fast <make-wifi-fast@lists.bufferbloat.net>
Subject: [Make-wifi-fast] fq_codel_fast crash/lockup
Date: Thu, 22 Aug 2019 22:32:58 +0200 [thread overview]
Message-ID: <a5541e8b-f73c-cd27-1484-071cf1af81ac@newmedia-net.de> (raw)
In-Reply-To: <CAA93jw7kSn9gwZsqqgO9w031oz5PgpUw1nhQwt5Y1x9dQ63MoA@mail.gmail.com>
if you mind.
running on arm kernel htb+fq_codel_fast
INFO: rcu_preempt self-detected stall on CPU
0-...: (1 GPs behind) idle=0ab/140000000000001/0
softirq=2280/2285 fqs=5984
(t=6000 jiffies g=211 c=210 q=565)
Task dump for CPU 0:
tc R running 0 1024 890 0x00000002
Backtrace:
[<8001b71c>] (dump_backtrace) from [<8001b9c0>] (show_stack+0x18/0x1c)
r7:8051ca40 r6:8050f908 r5:0000037a r4:87a8f400
[<8001b9a8>] (show_stack) from [<8005bad0>] (sched_show_task+0xe0/0xe8)
[<8005b9f0>] (sched_show_task) from [<8005cf20>] (dump_cpu_task+0x40/0x44)
r5:00000000 r4:00000000
[<8005cee0>] (dump_cpu_task) from [<80078534>]
(rcu_dump_cpu_stacks+0x74/0xac)
r5:00000000 r4:8051ca40
[<800784c0>] (rcu_dump_cpu_stacks) from [<8007ba20>]
(rcu_check_callbacks+0x2e8/0x854)
r9:8051ca40 r8:8050e100 r7:068d8000 r6:00000235 r5:8050f9c0 r4:804fed40
[<8007b738>] (rcu_check_callbacks) from [<8007df44>]
(update_process_times+0x44/0x6c)
r10:00000000 r9:00000000 r8:00000000 r7:0000001d r6:87a8f400 r5:00000000
r4:ffffe000
[<8007df00>] (update_process_times) from [<80089a08>]
(tick_periodic+0xb0/0xb8)
r7:0000001d r6:7fffffff r5:86dd9800 r4:8050e144
[<80089958>] (tick_periodic) from [<80089a44>]
(tick_handle_periodic+0x34/0xac)
r5:86dd9800 r4:ffffffff
[<80089a10>] (tick_handle_periodic) from [<8001dc04>]
(twd_handler+0x38/0x40)
r9:00000000 r8:86dd9800 r7:0000001d r6:87801cc0 r5:805214bc r4:00000001
[<8001dbcc>] (twd_handler) from [<80074c8c>]
(handle_percpu_devid_irq+0x7c/0x94)
r5:805214bc r4:805036c0
[<80074c10>] (handle_percpu_devid_irq) from [<80071214>]
(__handle_domain_irq+0xb8/0xd8)
r9:00000000 r8:87804800 r7:00000001 r6:804fcfc4 r5:00000000 r4:00000000
[<8007115c>] (__handle_domain_irq) from [<80009388>]
(gic_handle_irq+0x50/0x7c)
r9:00000000 r8:b0101100 r7:b0100100 r6:b010010c r5:87147ac8 r4:8050fb20
[<80009338>] (gic_handle_irq) from [<80009ed4>] (__irq_svc+0x54/0x90)
Exception stack(0x87147ac8 to 0x87147b10)
7ac0: 8696e090 00000000 0000001f 00000020 86740000
87147b78
7ae0: 86680094 86680094 87147b78 00000000 00000000 87147b24 87147b28
87147b18
7b00: 7f4cb1ec 80017a28 20000013 ffffffff
r9:00000000 r8:87147b78 r7:87147afc r6:ffffffff r5:20000013 r4:80017a28
[<800179d8>] (_raw_spin_lock_bh) from [<7f4cb1ec>]
(fq_codel_dump_stats+0x68/0xd8 [sch_fq_codel_fast])
[<7f4cb184>] (fq_codel_dump_stats [sch_fq_codel_fast]) from [<802786c0>]
(tc_fill_qdisc+0x1d0/0x284)
r5:86740000 r4:870e0c00
[<802784f0>] (tc_fill_qdisc) from [<80278a78>]
(qdisc_notify.isra.0+0xec/0x138)
r10:86740000 r9:869cb800 r8:870d6308 r7:870d6306 r6:8052b780 r5:00000400
r4:870e0c00
[<8027898c>] (qdisc_notify.isra.0) from [<80278afc>]
(notify_and_destroy+0x38/0x50)
r10:8052b780 r9:00000000 r8:80285a50 r7:869cba00 r6:00000000 r5:8696e000
r4:869cb800
[<80278ac4>] (notify_and_destroy) from [<80278da8>]
(qdisc_graft+0x294/0x360)
r4:86740000
[<80278b14>] (qdisc_graft) from [<8027a424>] (tc_modify_qdisc+0x4a0/0x4f4)
r10:8052b780 r9:00000000 r8:8696e000 r7:00010100 r6:870e1000 r5:870d6300
r4:86740000
[<80279f84>] (tc_modify_qdisc) from [<802688b0>]
(rtnetlink_rcv_msg+0x16c/0x1e4)
r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:870d7b00 r5:870d6300
r4:000000f0
[<80268744>] (rtnetlink_rcv_msg) from [<802a37e4>]
(netlink_rcv_skb+0x64/0xc8)
r8:00000000 r7:870d7b00 r6:870d6300 r5:80268744 r4:870d7b00
[<802a3780>] (netlink_rcv_skb) from [<8026873c>] (rtnetlink_rcv+0x2c/0x34)
r7:870d7b00 r6:87224000 r5:0000003c r4:870d7b00
[<80268710>] (rtnetlink_rcv) from [<802a3218>]
(netlink_unicast+0x158/0x20c)
r5:0000003c r4:878a8400
[<802a30c0>] (netlink_unicast) from [<802a3610>]
(netlink_sendmsg+0x344/0x38c)
r8:024000c0 r7:87224000 r6:0000003c r5:870d7b00 r4:87147f4c
[<802a32cc>] (netlink_sendmsg) from [<8023f680>]
(___sys_sendmsg+0x1e8/0x22c)
r10:87147e28 r9:87147e28 r8:00000000 r7:00000000 r6:8751ae00 r5:00000000
r4:87147f4c
[<8023f498>] (___sys_sendmsg) from [<8023fd88>] (__sys_sendmsg+0x44/0x68)
r10:00000000 r9:87146000 r8:80009724 r7:00000128 r6:00000000 r5:7e950ccc
r4:8751ae00
[<8023fd44>] (__sys_sendmsg) from [<8023fdbc>] (SyS_sendmsg+0x10/0x14)
r6:00000000 r5:00000000 r4:00000000
[<8023fdac>] (SyS_sendmsg) from [<80009560>] (ret_fast_syscall+0x0/0x48)
prev parent reply other threads:[~2019-08-22 20:34 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAA93jw4FDjYjxxStyzMu8eCz_6Ezcumg-iZaYeM3kBZ5da8MBQ@mail.gmail.com>
[not found] ` <fc64c772-d85c-deba-a0e4-4e590cfb76ee@newmedia-net.de>
[not found] ` <CAA93jw4Fm=uY08A3XHWh3d=OKNfraCeYHwFGtAdPH7a51vG6WA@mail.gmail.com>
[not found] ` <384866b4-4c91-cf2c-c267-ee4036e5fbf7@newmedia-net.de>
[not found] ` <87wof7sriw.fsf@toke.dk>
[not found] ` <6782ec15-30eb-63b0-f54f-376c5e6b840b@newmedia-net.de>
[not found] ` <87tvabsp99.fsf@toke.dk>
[not found] ` <74bccc2b-b805-255f-b6a7-83ade9af6765@newmedia-net.de>
[not found] ` <87r25fsn70.fsf@toke.dk>
[not found] ` <b52b087d-c21c-e190-1bc7-a06e5fe6305f@newmedia-net.de>
[not found] ` <54438C64-C613-438E-9CB9-6C6D0C5EAFA0@gmail.com>
[not found] ` <87sgpvflo4.fsf@taht.net>
[not found] ` <87wof6rf7t.fsf@toke.dk>
[not found] ` <7656FCDE-C590-4B0C-B191-B9FAC928A762@gmail.com>
[not found] ` <CAA93jw4sEE_oQsX66xLkE+YUv=wM7AchfpUspC0y_Bf2nLdVOQ@mail.gmail.com>
[not found] ` <5eb4c395-c718-2d28-65a7-9762cf8d5bea@newmedia-net.de>
[not found] ` <47AD5102-B66F-44A5-AADE-D167ECB94A61@gmx.de>
[not found] ` <1d772664-b6cc-a528-9725-96a431032875@newmedia-net.de>
[not found] ` <87v9uqea3x.fsf@taht.net>
[not found] ` <87tvaap57q.fsf@toke.dk>
[not found] ` <CAA93jw6f0kedxwoN-ER3W1QKeg0sMxVCy6YYk_gRbrVwhD42jQ@mail.gmail.com>
[not found] ` <5bbd2b81-9846-3a7a-130c-0f59e04fd2d1@newmedia-net.de>
[not found] ` <CAA93jw4=13D-+WHLYPiV4NPqeVJwrLJe=nkr+a9D9Cqvq49pEQ@mail.gmail.com>
2019-08-22 13:22 ` [Make-wifi-fast] Fwd: Wifi Memory limits in small platforms Dave Taht
2019-08-22 14:59 ` [Make-wifi-fast] " Dave Taht
[not found] ` <dcb92eaf-928e-f909-981d-c2baf74fbc90@newmedia-net.de>
2019-08-22 17:03 ` Dave Taht
2019-08-22 17:37 ` Sebastian Gottschall
2019-08-22 18:23 ` Toke Høiland-Jørgensen
2019-08-22 18:56 ` Dave Taht
2019-08-22 19:37 ` [Make-wifi-fast] [Battlemesh] " Toke Høiland-Jørgensen
2019-08-22 20:10 ` [Make-wifi-fast] [Cake] " Sebastian Moeller
2019-08-22 20:30 ` [Make-wifi-fast] " Sebastian Gottschall
2019-08-22 23:39 ` Dave Taht
2019-08-23 6:25 ` Sebastian Gottschall
2019-08-23 6:48 ` [Make-wifi-fast] [Cake] " Sebastian Moeller
2019-08-22 20:32 ` Sebastian Gottschall [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://lists.bufferbloat.net/postorius/lists/make-wifi-fast.lists.bufferbloat.net/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a5541e8b-f73c-cd27-1484-071cf1af81ac@newmedia-net.de \
--to=s.gottschall@newmedia-net.de \
--cc=battlemesh@ml.ninux.org \
--cc=cake@lists.bufferbloat.net \
--cc=dave.taht@gmail.com \
--cc=dave@taht.net \
--cc=make-wifi-fast@lists.bufferbloat.net \
--cc=toke@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox