igb related(?) panics on 7.3-STABLE

Greg Byshenk freebsd at byshenk.net
Mon Aug 30 09:46:33 UTC 2010


On Sun, Aug 29, 2010 at 08:16:59PM +0200, Greg Byshenk wrote:

> I've begun seeing problems on a machine running FreeBSD-7.3-STABLE, 64-bit,
> with two igb nics in use.  Previously the machine was fine, running earlier
> versions of 7-STABLE, although the load on the network has increased due
> to additional machines being added to the network (the machine functions
> as a fileserver, serving files to compute machines via NFS(v3)).
> 
> Any advice is much appreciated. System info is below.


Followup with more information. The machine just panic'ed again, with 
a lot of load on the network.

Output from the 'systat' that was running at the time:

       3 users    Load 54.47 42.35 24.25                  Aug 30 11:17
    
   Mem:KB    REAL            VIRTUAL                       VN PAGER   SWAP PAGER
           Tot   Share      Tot    Share    Free           in   out     in   out
   Act   46232    5504   868140    10548  943324  count
   All  456484    7852 1074772k    27740          pages
   Proc:                                                            Interrupts
     r   p   d   s   w   Csw  Trp  Sys  Int  Sof  Flt        cow   54220 total
             1 170      392k    8  278  22k  195    1        zfod        sio0 irq4
                                                             ozfod       fdc0 irq6
   70.4%Sys   3.1%Intr  0.0%User  0.0%Nice 26.5%Idle        %ozfod    27 twa0 uhci0
   |    |    |    |    |    |    |    |    |    |    |       daefr  2001 cpu0: time
   ===================================++                     prcfr       igb0 256
                                         9938 dtbuf     1247 totfr       igb0 257
   Namei     Name-cache   Dir-cache    100000 desvn          react       igb0 258
      Calls    hits   %    hits   %     34443 numvn        1 pdwak       igb0 259
                                        24996 frevn   112852 pdpgs       igb0 262
                                                             intrn       igb0 263
   Disks   da0   da1 pass0 pass1                     2570672 wire        igb0 264
   KB/t   0.00 12.23  0.00  0.00                       46760 act         igb0 265
   tps       0    26     0     0                    14706896 inact 19449 igb1 266
   MB/s   0.00  0.31  0.00  0.00    0                 769796  26585
             0    21     0     0                      173528


-greg
 
 
 
> Machine:
> =======
> 
> FreeBSD server.example.com 7.3-STABLE FreeBSD 7.3-STABLE #36: Wed Aug 25 11:01:07 CEST 2010     root at server.example.com:/usr/obj/usr/src/sys/KERNEL amd64
> 
> Kernel was csup'd earlier in the day on 25 August, immediately prior to 
> the build.
> 
> 
> Panic:
> ======
> 
> Fatal trap 9: general protection fault while in kernel mode
> cpuid = 2; apic id = 02
> instruction pointer     = 0x8:0xffffffff8052f40c
> stack pointer           = 0x10:0xffffff82056819d0
> frame pointer           = 0x10:0xffffff82056819f0
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 65 (igb1 que)
> trap number             = 9
> panic: general protection fault
> cpuid = 2
> KDB: stack backtrace:
> db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
> panic() at panic+0x182
> trap_fatal() at trap_fatal+0x294
> trap() at trap+0x106
> calltrap() at calltrap+0x8
> --- trap 0x9, rip = 0xffffffff8052f40c, rsp = 0xffffff82056819d0, rbp = 0xffffff82056819f0 --- m_tag_delete_chain() at m_tag_delete_chain+0x1c
> uma_zfree_arg() at uma_zfree_arg+0x41
> m_freem() at m_freem+0x54
> ether_demux() at ether_demux+0x85
> ether_input() at ether_input+0x1bb
> igb_rxeof() at igb_rxeof+0x29d
> igb_handle_que() at igb_handle_que+0x9a
> taskqueue_run() at taskqueue_run+0xac
> taskqueue_thread_loop() at taskqueue_thread_loop+0x46
> fork_exit() at fork_exit+0x122
> fork_trampoline() at fork_trampoline+0xe
> --- trap 0, rip = 0, rsp = 0xffffff8205681d30, rbp = 0 ---
> Uptime: 11h57m6s
> Physical memory: 18411 MB
> Dumping 3770 MB:
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address   = 0x8000000000
> fault code              = supervisor write data, page not present
> instruction pointer     = 0x8:0xffffffff80188b5f
> stack pointer           = 0x10:0xffffff82056811f0
> frame pointer           = 0x10:0xffffff82056812f0
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 65 (igb1 que)
> trap number             = 12
> 
> 
> pciconf:
> =======
> 
> igb0 at pci0:10:0:0:       class=0x020000 card=0x10c915d9 chip=0x10c98086 rev=0x01 hdr=0x00
>     vendor     = 'Intel Corporation'
>     class      = network
>     subclass   = ethernet
> igb1 at pci0:10:0:1:       class=0x020000 card=0x10c915d9 chip=0x10c98086 rev=0x01 hdr=0x00
>     vendor     = 'Intel Corporation'
>     class      = network
>     subclass   = ethernet
> 
> 
> dmesg:
> =====
> 
> igb0: <Intel(R) PRO/1000 Network Connection version - 1.9.5> port 0xe880-0xe89f mem 0xfbe60000-0xfbe
> 7ffff,0xfbe40000-0xfbe5ffff,0xfbeb8000-0xfbebbfff irq 16 at device 0.0 on pci10
> igb0: Using MSIX interrupts with 10 vectors
> igb0: [ITHREAD]
> igb0: [ITHREAD]
> igb0: [ITHREAD]
> igb0: [ITHREAD]
> igb0: [ITHREAD]
> igb0: [ITHREAD]
> igb0: [ITHREAD]
> igb0: [ITHREAD]
> igb0: [ITHREAD]
> igb0: [ITHREAD]
> igb0: Ethernet address: 00:30:48:ca:cd:72
> igb1: <Intel(R) PRO/1000 Network Connection version - 1.9.5> port 0xec00-0xec1f mem 0xfbee0000-0xfbe
> fffff,0xfbec0000-0xfbedffff,0xfbebc000-0xfbebffff irq 17 at device 0.1 on pci10
> igb1: Using MSIX interrupts with 10 vectors
> igb1: [ITHREAD]
> igb1: [ITHREAD]
> igb1: [ITHREAD]
> igb1: [ITHREAD]
> igb1: [ITHREAD]
> igb1: [ITHREAD]
> igb1: [ITHREAD]
> igb1: [ITHREAD]
> igb1: [ITHREAD]
> igb1: [ITHREAD]
> igb1: Ethernet address: 00:30:48:ca:cd:73
> 
> 
> -- 
> greg byshenk  -  gbyshenk at byshenk.net  -  Leiden, NL
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-- 
greg byshenk  -  gbyshenk at byshenk.net  -  Leiden, NL


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