Xen devel - Jul 2006 - RE: qla2xxx driver failed in dom0 - invalid opcode: 0000[1] SMP

> I wanted to post this in case there is a real bug here.
> 
> The system this is on is running Debian Etch with the Xen packages
from
> Debian Unstable (currently 3.0.2+hg9697-1).  I am running all packaged
> software so this is probably slightly out of date.
It would be interesting to see if this can be repro''ed on a tree built
from a recent xen-unstable.hg. There''s been changes to the fault
handling code that could well have fixed this.

Thanks,
Ian

 
> This is on an HP DL320 G4 with a Pentium D 930 processor.  I tried
unloading
> and reloading the qla2xxx module, but rmmod reported it in use,
however it
> did not seem to be used by any other module.
> 
> dmesg output below:
> 
> QLogic Fibre Channel HBA Driver
> qla2xxx 0000:06:01.0: Found an ISP2312, irq 16, iobase
0xffffc2000001e000
> qla2xxx 0000:06:01.0: Configuring PCI space...
> qla2xxx 0000:06:01.0: Configure NVRAM parameters...
> ----------- [cut here ] --------- [please bite here ] ---------
> Kernel BUG at arch/x86_64/mm/fault-xen.c:292
> invalid opcode: 0000 [1] SMP
> CPU 1
> Modules linked in: qla2xxx libata firmware_class tg3 scsi_transport_fc
> psmouse serio_raw serial_core ext3 jbd mbcache cciss scsi_mod
> Pid: 2163, comm: modprobe Not tainted 2.6.16-2-xen-em64t-p4 #1
> RIP: e030:[<ffffffff801166f7>]
<ffffffff801166f7>{do_page_fault+1656}
> RSP: e02b:ffff88000ec1daf8  EFLAGS: 00010287
> RAX: ffff800000000000 RBX: ffff880000c6a000 RCX: 00003ffffffff000
> RDX: 00000000000fdff0 RSI: ffff880000c690f0 RDI: 0000000000010800
> RBP: ffff880000000000 R08: 0000000000010800 R09: 0000000000000000
> R10: 0000000003c69067 R11: ffff880001000000 R12: ffffc2000001e00e
> R13: ffff88000ec1dbe8 R14: ffff88000e2cf140 R15: 0000000000000002
> FS:  00002ad5ad5566d0(0000) GS:ffffffff80407080(0000)
knlGS:0000000000000000
> CS:  e033 DS: 0000 ES: 0000
> Process modprobe (pid: 2163, threadinfo ffff88000ec1c000, task
> ffff88000e2cf140)
> Stack: ffffffffffffd028 ffff880000c6b000 0000000000002fd8
0000000000030001
>        0000000000000246 ffffffff801e7166 000000000000001e
0000000000000034
>        0000000000030000 ffffffff8010722a
> Call Trace: <ffffffff801e7166>{vgacon_cursor+0}
> <ffffffff8010722a>{hypercall_page+554}
>        <ffffffff8010722a>{hypercall_page+554}
> <ffffffff8023729f>{force_evtchn_callback+10}
>        <ffffffff8010b403>{error_exit+0}
> <ffffffff801e03d4>{__pci_find_next_cap+100}
>        <ffffffff801e03d4>{__pci_find_next_cap+100}
> <ffffffff880d7a5f>{:qla2xxx:qla2x00_get_nvram_word+72}
>        <ffffffff880d7a97>{:qla2xxx:qla2x00_get_nvram_word+128}
>        <ffffffff801e03d4>{__pci_find_next_cap+100}
> <ffffffff880d7ae5>{:qla2xxx:qla2x00_read_nvram_data+41}
>        <ffffffff880ca5e3>{:qla2xxx:qla2x00_nvram_config+137}
>        <ffffffff880cd48f>{:qla2xxx:qla2x00_initialize_adapter+243}
>        <ffffffff880c83cd>{:qla2xxx:qla2x00_probe_one+3594}
>        <ffffffff80121dc0>{__wake_up+54}
> <ffffffff801e2220>{pci_device_probe+74}
>        <ffffffff802334a1>{driver_probe_device+82}
> <ffffffff80233550>{__driver_attach+0}
>        <ffffffff802335a6>{__driver_attach+86}
> <ffffffff80232ae4>{bus_for_each_dev+67}
>        <ffffffff80232ddd>{bus_add_driver+110}
> <ffffffff801e7166>{vgacon_cursor+0}
>        <ffffffff801e1e2a>{__pci_register_driver+128}
> <ffffffff88078e5b>{:scsi_transport_fc:fc_attach_transport+216}
>        <ffffffff880e908f>{:qla2xxx:qla2x00_module_init+143}
>        <ffffffff80142b2e>{sys_init_module+240}
> <ffffffff8010acea>{system_call+134}
>        <ffffffff8010ac64>{system_call+0}
> 
> Code: 0f 0b 68 aa 8f 2e 80 c2 24 01 e9 59 04 00 00 41 f6 c7 08 74
> RIP <ffffffff801166f7>{do_page_fault+1656} RSP
<ffff88000ec1daf8>
> 
> A soft reboot from the dom0 produced a successful load the second
time:
> 
> QLogic Fibre Channel HBA Driver
> qla2xxx 0000:06:01.0: Found an ISP2312, irq 16, iobase
0xffffc2000001e000
> qla2xxx 0000:06:01.0: Configuring PCI space...
> qla2xxx 0000:06:01.0: Configure NVRAM parameters...
> qla2xxx 0000:06:01.0: Verifying loaded RISC code...
> qla2xxx 0000:06:01.0: Waiting for LIP to complete...
> qla2xxx 0000:06:01.0: LIP reset occured (f700).
> qla2xxx 0000:06:01.0: LOOP UP detected (2 Gbps).
> qla2xxx 0000:06:01.0: Topology - (F_Port), Host Loop address 0xffff
> scsi0 : qla2xxx
> qla2xxx 0000:06:01.0:
>  QLogic Fibre Channel HBA Driver: 8.01.04-k
>   QLogic QLA2340 -
>   ISP2312: PCI-X (133 MHz) @ 0000:06:01.0 hdma-, host#=0, fw=3.03.20
IPX
> scsi: unknown device type 12
>   Vendor: COMPAQ    Model: MSA1000           Rev: 5.02
>   Type:   RAID                               ANSI SCSI revision: 04
>   Vendor: COMPAQ    Model: MSA1000 VOLUME    Rev: 5.02
>   Type:   Direct-Access                      ANSI SCSI revision: 04
>   Vendor: COMPAQ    Model: MSA1000 VOLUME    Rev: 5.02
>   Type:   Direct-Access                      ANSI SCSI revision: 04
> 
> --
> Michael Brancato, CISSP, CCNA
> 
> 
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