Re: nginx udplog causes freebsd kernel panic

[Valery Kholodkov <valery+nginxru@xxxxxxxxxxx>]

В udplog есть баг, который воспроизводится на 64-битных платформах. Как 
исправит пока непонятно, ровно как и причина возникновения бага.

----- Alexey Samoylov <sav@xxxxxxxxx> wrote:
> День добрый!
> 
> Попытался на днях задействовать уже собранный с nginx udplog и был 
> неприятно удивлен результатом:
> 
> Jun 14 08:11:15 srv2 kernel: pid 22283 (nginx), uid 1001: exited on 
> signal 11
> Jun 14 08:11:15 srv2 kernel: pid 22284 (nginx), uid 1001: exited on 
> signal 11
> Jun 14 08:11:15 srv2 kernel: pid 22281 (nginx), uid 1001: exited on 
> signal 11
> Jun 14 08:11:15 srv2 kernel: pid 22288 (nginx), uid 1001: exited on 
> signal 11
> Jun 14 08:11:15 srv2 kernel: pid 22275 (nginx), uid 1001: exited on 
> signal 11
> Jun 14 08:11:15 srv2 kernel:
> Jun 14 08:11:15 srv2 kernel:
> Jun 14 08:11:15 srv2 kernel: Fatal trap 12: page fault while in kernel mode
> Jun 14 08:11:15 srv2 kernel: cpuid = 5; apic id = 05
> Jun 14 08:11:15 srv2 kernel: fault virtual address      = 0x20
> Jun 14 08:11:15 srv2 kernel: fault code         = supervisor read data, 
> page not present
> Jun 14 08:11:15 srv2 kernel: instruction pointer        = 
> 0x20:0xffffffff805ba22e
> Jun 14 08:11:15 srv2 kernel: stack pointer              = 
> 0x28:0xffffff800012ba20
> Jun 14 08:11:15 srv2 kernel: frame pointer              = 
> 0x28:0xffffff800012bb60
> Jun 14 08:11:15 srv2 kernel: code segment               = base 0x0, 
> limit 0xfffff, type 0x1b
> Jun 14 08:11:15 srv2 kernel: = DPL 0, pres 1, long 1, def32 0, gran 1
> Jun 14 08:11:15 srv2 kernel: processor eflags   = interrupt enabled, 
> resume, IOPL = 0
> Jun 14 08:11:15 srv2 kernel: current process            = 0 (thread taskq)
> Jun 14 08:11:15 srv2 kernel: trap number                = 12
> Jun 14 08:11:15 srv2 kernel: panic: page fault
> Jun 14 08:11:15 srv2 kernel: cpuid = 5
> Jun 14 08:11:15 srv2 kernel: Uptime: 30d3h6m15s
> Jun 14 08:11:15 srv2 kernel: (ada0:ahcich0:0:0:0): Synchronize cache failed
> Jun 14 08:11:15 srv2 kernel: (ada1:ahcich1:0:0:0): Synchronize cache failed
> Jun 14 08:11:15 srv2 kernel: Cannot dump. Device not defined or unavailable.
> Jun 14 08:11:15 srv2 kernel: Automatic reboot in 15 seconds - press a 
> key on the console to abort
> 
> Как победить беду?
> Версии используемого программного обеспечения: srv2.de.murclub.ru 
> 8.0-RELEASE-p2 amd64, nginx/0.8.35


-- 
Regards,
Valery Kholodkov

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