speakup crashes with kernel 5.4.69

Wed Oct 21 01:40:00 EDT 2020

bump, any thoughts?  Seems read-all-doc is involved.

On Tue, 13 Oct 2020 04:02:09 -0400,
John Covici wrote:
> 
> Hi.  When I just tried to boot with kernel 5.4.69, it did come up, but
> soon crashed with a lot of kernel: basd schedule from idle thread.  At
> least one of those traces had speakup in the trace and this is what I
> see in my  syslog:
> 
> Oct 13 02:41:09 ccs.covici.com kernel: bad: scheduling from the idle
> thread!
> Oct 13 02:41:09 ccs.covici.com kernel: CPU: 5 PID: 0 Comm: swapper/5
> Tainted: P        W  O      5.4.69-gentoo #1
> Oct 13 02:41:09 ccs.covici.com kernel: Hardware name: Supermicro Super
> Server/X11SCA-W, BIOS 1.2 12/05/2019
> Oct 13 02:41:09 ccs.covici.com kernel: Call Trace:
> Oct 13 02:41:09 ccs.covici.com kernel:  <IRQ>
> Oct 13 02:41:09 ccs.covici.com kernel:  dump_stack+0x71/0x98
> Oct 13 02:41:09 ccs.covici.com kernel:  dequeue_task_idle+0x1f/0x28
> Oct 13 02:41:09 ccs.covici.com kernel:  __schedule+0x167/0x5d6
> Oct 13 02:41:09 ccs.covici.com kernel:  ? trace_hardirqs_on+0x2e/0x3a
> Oct 13 02:41:09 ccs.covici.com kernel:  ? usleep_range+0x7f/0x7f
> Oct 13 02:41:09 ccs.covici.com kernel:  schedule+0x8a/0xae
> Oct 13 02:41:09 ccs.covici.com kernel:  schedule_timeout+0xb1/0xea
> Oct 13 02:41:09 ccs.covici.com kernel:  ? del_timer_sync+0x31/0x31
> Oct 13 02:41:09 ccs.covici.com kernel:  do_wait_for_common+0xba/0x12b
> Oct 13 02:41:09 ccs.covici.com kernel:  ? wake_up_q+0x45/0x45
> Oct 13 02:41:09 ccs.covici.com kernel:  wait_for_common+0x37/0x50
> Oct 13 02:41:09 ccs.covici.com kernel:  ttyio_in+0x2a/0x6b
> Oct 13 02:41:09 ccs.covici.com kernel:  spk_ttyio_in_nowait+0xc/0x13
> Oct 13 02:41:09 ccs.covici.com kernel:  spk_get_index_count+0x20/0x93
> Oct 13 02:41:09 ccs.covici.com kernel:  cursor_done+0x1c6/0x4c6
> Oct 13 02:41:09 ccs.covici.com kernel:  ? read_all_doc+0xb1/0xb1
> Oct 13 02:41:09 ccs.covici.com kernel:  call_timer_fn+0x89/0x140
> Oct 13 02:41:09 ccs.covici.com kernel:  run_timer_softirq+0x164/0x1a5
> Oct 13 02:41:09 ccs.covici.com kernel:  ? read_all_doc+0xb1/0xb1
> Oct 13 02:41:09 ccs.covici.com kernel:  ? hrtimer_forward+0x7b/0x87
> Oct 13 02:41:09 ccs.covici.com kernel:  ? timerqueue_add+0x62/0x68
> Oct 13 02:41:09 ccs.covici.com kernel:  ? enqueue_hrtimer+0x95/0x9f
> Oct 13 02:41:09 ccs.covici.com kernel:  __do_softirq+0x181/0x31f
> Oct 13 02:41:09 ccs.covici.com kernel:  irq_exit+0x6a/0x86
> Oct 13 02:41:09 ccs.covici.com kernel:
> smp_apic_timer_interrupt+0x15e/0x183
> Oct 13 02:41:09 ccs.covici.com kernel:  apic_timer_interrupt+0xf/0x20
> Oct 13 02:41:09 ccs.covici.com kernel:  </IRQ>
> Oct 13 02:41:09 ccs.covici.com kernel: RIP:
> 0010:cpuidle_enter_state+0xfb/0x1f5
> Oct 13 02:41:09 ccs.covici.com kernel: Code: e8 c7 b3 b8 ff 45 84 ff
> 74 17 9c 58 0f ba e0 09 73 08 0f 0b fa e8 41 0d c1 ff 31 ff e8 82 b3
> bc ff e8 54 0e c1 ff fb 45 85 e4 <0f> 88 df 00 00 00 49 63 cc 4c 89 f0
> bf e8 03 00 00 48 6b f1 60 4c
> Oct 13 02:41:09 ccs.covici.com kernel: RSP: 0018:ffffc90000103e98
> EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
> Oct 13 02:41:09 ccs.covici.com kernel: RAX: 0000000000000000 RBX:
> ffffe8ffffd52400 RCX: 000000000000001f
> Oct 13 02:41:09 ccs.covici.com kernel: RDX: 0000000080000001 RSI:
> 0000000000000000 RDI: ffffffff814f508c
> Oct 13 02:41:09 ccs.covici.com kernel: RBP: ffffffff820b6dc0 R08:
> 0000085f9a763e7f R09: 0000000000000009
> Oct 13 02:41:09 ccs.covici.com kernel: R10: ffffffff8214281c R11:
> 0000000000000002 R12: 0000000000000007
> Oct 13 02:41:09 ccs.covici.com kernel: R13: 0000085f9a66ff9c R14:
> 0000085f9a763e7f R15: 0000000000000000
> Oct 13 02:41:09 ccs.covici.com kernel:  ?
> cpuidle_enter_state+0xf7/0x1f5
> Oct 13 02:41:09 ccs.covici.com kernel:  ?
> cpuidle_enter_state+0xf7/0x1f5
> Oct 13 02:41:09 ccs.covici.com kernel:  cpuidle_enter+0x30/0x3c
> Oct 13 02:41:09 ccs.covici.com kernel:  do_idle+0x188/0x1f2
> Oct 13 02:41:09 ccs.covici.com kernel:  cpu_startup_entry+0x1d/0x1f
> Oct 13 02:41:09 ccs.covici.com kernel:  start_secondary+0x17b/0x198
> Oct 13 02:41:09 ccs.covici.com kernel:  secondary_startup_64+0xa4/0xb0
> 
> Any help on  this would be appreciated.
> 
> -- 
> Your life is like a penny.  You're going to lose it.  The question is:
> How do
> you spend it?
> 
>          John Covici wb2una
>          covici at ccs.covici.com
> _______________________________________________
> Speakup mailing list
> Speakup at linux-speakup.org
> http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
> 

-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici wb2una
         covici at ccs.covici.com