"dhclient: send_packet: No buffer space available"

2019-12-03 Thread Yoshihiro Ota
Hi,

I recently switched internet service provider and got much faster connection.
However, I started seeing some unstable connections between the WiFi router and 
FreeBSD.
I was on FreeBSD 12.0-RELEASE and switched to 12.1-RELEASE.
Both versions have same symptoms.

I get "dhclient: send_packet: No buffer space available" to console and then I 
frequently lose connection after seeing it.
After taking the wlan down and re-connect it with wpa_supplicant, I usually get 
a connection back.

On the side note, I also see these outputs to console and syslog:
ath0: bb hang detected (0x4), resetting
ath0: ath_legacy_rx_tasklet: sc_inreset_cnt > 0; skipping

Does anyone have any advice how to fix/work-around or where to start looking: 
ath driver, dhclinet, kernel, wlan, and/or wpa_supplicant?

Thanks,
Hiro
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Re: panic when stopping jails

2019-12-03 Thread peter . blok
Forgot to mention that it is a very recent 12-STABLE and I don’t suspect any 
recent commits. It is just that jails are now stopped more often.


> On 3 Dec 2019, at 11:47, peter.b...@bsd4all.org wrote:
> 
> Hi,
> 
> I’m getting the following panic when stopping jais. When ifunit_ref iterates 
> over the VNET ifnet’s it gets a bad ifp. I’m using netgrapg bridge’s.
> 
> Any pointers how to debug are welcome. Crash dump is available.
> 
> Peter
> 
> 
> Fatal trap 9: general protection fault while in kernel mode
> cpuid = 3; apic id = 03
> instruction pointer   = 0x20:0x807377c5
> stack pointer = 0x28:0xfe00d1e90870
> frame pointer = 0x28:0xfe00d1e90870
> code segment  = base 0x0, limit 0xf, type 0x1b
>   = DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags  = interrupt enabled, resume, IOPL = 0
> current process   = 8537 (ifconfig)
> trap number   = 9
> panic: general protection fault
> cpuid = 3
> time = 1575297301
> KDB: stack backtrace:
> #0 0x8069a8d7 at kdb_backtrace+0x67
> #1 0x8064ec6d at vpanic+0x19d
> #2 0x8064eac3 at panic+0x43
> #3 0x809e450c at trap_fatal+0x39c
> #4 0x809e395a at trap+0x6a
> #5 0x809be97c at calltrap+0x8
> #6 0x80750ff1 at ifunit_ref+0x51
> #7 0x8075328c at ifioctl+0x47c
> #8 0x806b8b2e at kern_ioctl+0x2be
> #9 0x806b87fd at sys_ioctl+0x15d
> #10 0x809e50a2 at amd64_syscall+0x362
> #11 0x809bf2b0 at fast_syscall_common+0x101
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panic when stopping jails

2019-12-03 Thread peter . blok
Hi,

I’m getting the following panic when stopping jais. When ifunit_ref iterates 
over the VNET ifnet’s it gets a bad ifp. I’m using netgrapg bridge’s.

Any pointers how to debug are welcome. Crash dump is available.

Peter


Fatal trap 9: general protection fault while in kernel mode
cpuid = 3; apic id = 03
instruction pointer = 0x20:0x807377c5
stack pointer   = 0x28:0xfe00d1e90870
frame pointer   = 0x28:0xfe00d1e90870
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 8537 (ifconfig)
trap number = 9
panic: general protection fault
cpuid = 3
time = 1575297301
KDB: stack backtrace:
#0 0x8069a8d7 at kdb_backtrace+0x67
#1 0x8064ec6d at vpanic+0x19d
#2 0x8064eac3 at panic+0x43
#3 0x809e450c at trap_fatal+0x39c
#4 0x809e395a at trap+0x6a
#5 0x809be97c at calltrap+0x8
#6 0x80750ff1 at ifunit_ref+0x51
#7 0x8075328c at ifioctl+0x47c
#8 0x806b8b2e at kern_ioctl+0x2be
#9 0x806b87fd at sys_ioctl+0x15d
#10 0x809e50a2 at amd64_syscall+0x362
#11 0x809bf2b0 at fast_syscall_common+0x101
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