Date: Wed, 24 Jul 2002 18:27:00 +0100 (BST) From: Gavin Atkinson <gavin@ury.york.ac.uk> To: <freebsd-stable@freebsd.org> Subject: no mbufs? sendto() panic on 4.6-STABLE Message-ID: <Pine.BSF.4.33.0207241803410.74102-100000@ury.york.ac.uk>
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Didn't have a debugging kernel installed, but will install one when
possible. System is driving a USB ADSL modem with the Alcatel drivers. I
don't know how close the messages were to the actual panic, it could ha ve
been immediate, or it could have been upto a minute.
I have the core file if it will help anyone
FreeBSD endor.bu.nker.net 4.6-STABLE FreeBSD 4.6-STABLE #0: Thu Jul 18 10:45:59 BST 2002 root@endor.bu.nker.net:/usr/obj/usr/src/sys/ENDOR i386
Jul 24 17:03:26 endor /kernel: All mbufs exhausted, please see tuning(7).
Jul 24 17:03:26 endor /kernel: All mbufs exhausted, please see tuning(7).
Jul 24 17:03:27 endor ppp[164]: tun0: Error: ip_Input: deflink: wrote 331, got No buffer space available
Jul 24 17:03:27 endor ppp[164]: tun0: Error: ip_Input: deflink: wrote 1504, got No buffer space available
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0xc
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0196d34
stack pointer = 0x10:0xc6511bf0
frame pointer = 0x10:0xc6511bfc
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 263 (natd)
interrupt mask =
trap number = 12
panic: page fault
syncing disks... 8
done
Uptime: 19h11m48s
(kgdb) bt
#0 0xc017aa06 in dumpsys ()
#1 0xc017a7d7 in boot ()
#2 0xc017ac15 in panic ()
#3 0xc02bb62b in trap_fatal ()
#4 0xc02bb2d9 in trap_pfault ()
#5 0xc02bae53 in trap ()
#6 0xc0196d34 in m_copydata ()
#7 0xc01e1cf0 in tcp_output ()
#8 0xc01e0bc3 in tcp_input ()
#9 0xc01da5cb in ip_input ()
#10 0xc01d5fdb in div_output ()
#11 0xc01d617b in div_send ()
#12 0xc0199057 in sosend ()
#13 0xc019c417 in sendit ()
#14 0xc019c51a in sendto ()
#15 0xc02bb8e1 in syscall2 ()
#16 0xc02ac845 in Xint0x80_syscall ()
#17 0x8048823 in ?? ()
#18 0x8048135 in ?? ()
(kgdb)
Gavin
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