Unexpected crash

Mon Feb 23 23:07:35 UTC 2015

On 02/23/15 at 12:55P, Willem Jan Withagen wrote:
> Hi,
> 
> Came home last night to find out that my ZFS fileserver has rebooted....
> 
> Dmesg is loaded with sonewconn messages....
> And after a while the system thinks it is enough...
> ---
> Panic String: deadlkres: possible deadlock detected for 
> 0xfffff800133f9000, blocked for 1800789 ticks
> ----
> 
> I do find sone reports on the list, but nobody actually reports 
> crashing.....
> Last time I had that problem was with 9.2 from 30 nov 2013...
> So I thought it was fixed in the 10.1 I was running at the moment.
> 
> Or is this another type of problem?
> 
> I do have a vmcore... So if needed I can try and look things up.
I guess you can load up vmcore and show backtraces here so someone can
help you.

https://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-gdb.html

cheers,
Hiren
> 
> --WjW
> 
> 
> sonewconn: pcb 0xfffff800592d9498: Listen queue overflow: 767 already in 
> queue awaiting acceptance (50 occurrences)
> sonewconn: pcb 0xfffff80059543188: Listen queue overflow: 8 already in 
> queue awaiting acceptance (43 occurrences)
> sonewconn: pcb 0xfffff80059543188: Listen queue overflow: 8 already in 
> queue awaiting acceptance (46 occurrences)
> sonewconn: pcb 0xfffff80059543188: Listen queue overflow: 8 already in 
> queue awaiting acceptance (47 occurrences)
> sonewconn: pcb 0xfffff80059543188: Listen queue overflow: 8 already in 
> queue awaiting acceptance (47 occurrences)
> sonewconn: pcb 0xfffff80059543188: Listen queue overflow: 8 already in 
> queue awaiting acceptance (48 occurrences)
> sonewconn: pcb 0xfffff80059543188: Listen queue overflow: 8 already in 
> queue awaiting acceptance (48 occurrences)
> sonewconn: pcb 0xfffff80059543188: Listen queue overflow: 8 already in 
> queue awaiting acceptance (48 occurrences)
> sonewconn: pcb 0xfffff80059543188: Listen queue overflow: 8 already in 
> queue awaiting acceptance (42 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (23552 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (227331 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (460090 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (527544 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (592173 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (527142 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (550640 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (425487 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (505580 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (555623 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (367827 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (447166 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (525354 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (440526 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (498980 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (484044 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (432470 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (279790 occurrences)
> sonewconn: pcb 0xfffff800594077a8: Listen queue overflow: 8 already in 
> queue awaiting acceptance (497323 occurrences)
> panic: deadlkres: possible deadlock detected for 0xfffff800133f9000, 
> blocked for 1800789 ticks
> 
> cpuid = 0
> Uptime: 49d11h15m21s
> Dumping 7650 out of 8175 
> MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%Table 'FACP' at 
> 0xcfedbcf8
> Table 'DMAR' at 0xcfedbdec
> Table 'MCFG' at 0xcfedbe84
> Table 'HPET' at 0xcfedbec0
> Table 'APIC' at 0xcfedbef8
> APIC: Found table at 0xcfedbef8
> APIC: Using the MADT enumerator.
> MADT: Found CPU APIC ID 0 ACPI ID 0: enabled
> SMP: Added CPU 0 (AP)
> MADT: Found CPU APIC ID 1 ACPI ID 1: enabled
> SMP: Added CPU 1 (AP)
> MADT: Found CPU APIC ID 2 ACPI ID 2: enabled
> SMP: Added CPU 2 (AP)
> MADT: Found CPU APIC ID 3 ACPI ID 3: enabled
> SMP: Added CPU 3 (AP)
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> FreeBSD 10.1-STABLE #101 r276583: Sat Jan  3 06:51:10 CET 2015
>      root at zfs.digiware.nl:/home/obj/amd64/usr/srcs/src10/src/sys/ZFS amd64
> FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
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