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Opened 10 years ago

Closed 10 years ago

#2408 closed defect (fixed)

vlynq_irq panic

Reported by: matteo Owned by: developers
Priority: normal Milestone:
Component: kernel Version:
Keywords: Cc:

Description

I get this with r8835

CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 00000000, ra == 941025c4
Oops[#1]:
Cpu 0
$ 0   : 00000000 10008401 00000000 00020000
$ 4   : 00000050 943c0c30 00000000 ffff00fe
$ 8   : 10008400 1000001f 00000000 9487c000
$12   : 943f3b26 00000006 943f3f04 00000041
$16   : 00000000 00000001 9445c000 943bfbf0
$20   : 943eab60 10008400 00000000 947e1910
$24   : 00000010 94366e4c
$28   : 94c20000 94c21d70 2ac0b200 941025c4
Hi    : 00000000
Lo    : 03938700
epc   : 00000000 _stext+0x6beffc00/0x18     Not tainted
ra    : 941025c4 vlynq_irq+0x84/0xc4
Status: 10008403    KERNEL EXL IE
Cause : 10800008
BadVA : 00000000
PrId  : 00018448
Modules linked in: tiatm acx ipt_NETMAP ipt_recent xt_limit xt_connbytes xt_state xt_helper xt_connmark ppp_async crc_ccitt br2684
Process klogd (pid: 231, threadinfo=94c20000, task=947e1800)
Stack : 00000001 00000000 00000004 94c21d88 94471280 00000000 00000000 0000001d
        9414f560 00000000 00000000 00000000 00000000 947d9dc0 943c01d4 0000001d
        947e1800 94c0d800 941515e4 94c21f18 7ff57d1b 2ac78000 2ac79ca0 00000000
        00000015 94c6fc00 94100f58 943f8024 94c21ea8 ffffff9c 94da4000 00000001
        00000000 94103460 94c29000 9412b478 94c21d90 94c21e08 00000000 00000000
        ...
Call Trace:
[<9414f560>] handle_IRQ_event+0x64/0xd0
[<941515e4>] handle_level_irq+0x8c/0x128
[<94100f58>] plat_irq_dispatch+0xbc/0x11c
[<94103460>] ret_from_irq+0x0/0x4
[<9412b478>] __do_softirq+0x84/0x12c
[<9435b110>] schedule+0x4e4/0xb18
[<9435b1c0>] schedule+0x594/0xb18
[<94125b64>] do_syslog+0x474/0x4c0
[<94132080>] sys_rt_sigaction+0x54/0xd0
[<9413e68c>] autoremove_wake_function+0x0/0x44
[<9410c2a0>] stack_done+0x20/0x3c


Code: (Bad address in epc)

Kernel panic - not syncing: Fatal exception in interrupt

Attachments (0)

Change History (3)

comment:1 Changed 10 years ago by nabcore

I'm seeing this as well on r8850:

root@Bunny:/etc/modules.d# ifconfig wlan0 up
[42949462.730000] acx_set_status(1):SCANNING
[42949462.730000] updating initial settings on iface activation
[42949462.740000] get_mask 0x00000000, set_mask 0x0036EEFE
[42949462.750000] important setting has been changed. Need to update packet templates, too
[42949462.750000] CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 00000000, ra == 94102454
[42949462.760000] Oops[#1]:
[42949462.760000] Cpu 0
[42949462.760000] $ 0   : 00000000 10008401 00000000 00020000
[42949462.760000] $ 4   : 00000050 94366c90 10008400 ffff00fe
[42949462.760000] $ 8   : 10008400 1000001f 00000000 948b6000
[42949462.760000] $12   : 943a0000 948b7bc6 ffffffff 00000000
[42949462.760000] $16   : 00000000 00000000 943fe400 0000001d
[42949462.760000] $20   : 94362188 004092e4 00000001 94c35510
[42949462.760000] $24   : 00000010 94311614
[42949462.760000] $28   : 9480a000 9480bd80 00000000 94102454
[42949462.760000] Hi    : 00000000
[42949462.760000] Lo    : 00393870
[42949462.760000] epc   : 00000000 _stext+0x6beffc00/0x18     Not tainted
[42949462.760000] ra    : 94102454 vlynq_irq+0x80/0xb0
[42949462.760000] Status: 10008403    KERNEL EXL IE
[42949462.760000] Cause : 10800008
[42949462.760000] BadVA : 00000000
[42949462.760000] PrId  : 00018448
[42949462.760000] Modules linked in: tiatm acx pppoatm ppp_async ppp_generic slhc crc_ccitt br2684 atm
[42949462.760000] Process klogd (pid: 229, threadinfo=9480a000, task=94c35400)
[42949462.760000] Stack : 94ee80e8 00000000 9480be28 00000001 94c19500 00000000 00000000 9414a568
[42949462.760000]         000000e5 00000000 00000000 00000000 94366234 0000001d 94393520 94c35400
[42949462.760000]         9414c454 000003e3 7f83d940 00000000 2ac76db0 00000000 00000015 00000002
[42949462.760000]         94100edc 0049330c 9480be28 0000002f 9480bee0 ffffffea 00000000 94103220
[42949462.760000]         943ff1a0 94176fec 9480bda0 9480be10 00000000 00000000 00000000 10008401
[42949462.760000]         ...
[42949462.760000] Call Trace:
[42949462.760000] [<9414a568>] handle_IRQ_event+0x54/0xc0
[42949462.760000] [<9414c454>] handle_level_irq+0xbc/0x128
[42949462.760000] [<94100edc>] plat_irq_dispatch+0xa0/0x108
[42949462.760000] [<94103220>] ret_from_irq+0x0/0x4
[42949462.760000] [<94176fec>] do_sync_read+0xc4/0x128
[42949462.760000] [<94303f20>] schedule+0x854/0xa88
[42949462.760000] [<94303fc8>] schedule+0x8fc/0xa88
[42949462.760000] [<94123700>] do_syslog+0x138/0x46c
[42949462.760000] [<94174e54>] filp_close+0x74/0x90
[42949462.760000] [<94174e4c>] filp_close+0x6c/0x90
[42949462.760000] [<9413a690>] autoremove_wake_function+0x0/0x44
[42949462.760000] [<9410b920>] stack_done+0x20/0x3c
[42949462.760000]
[42949462.760000]
[42949462.760000] Code: (Bad address in epc)
[42949462.760000]
[42949462.770000] Kernel panic - not syncing: Fatal exception in interrupt
[42949462.770000] Rebooting in 3 seconds..

comment:2 Changed 10 years ago by nabcore

I've narrowed this down to between r8827 and r8835.

Maybe it was r8835?

.... yes it was. I reverted the change from r8835, repeat the above and now the crash no longer happens.

comment:3 Changed 10 years ago by ejka

  • Resolution set to fixed
  • Status changed from new to closed

fixed in r8852

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