Re: NetBSD 5 STABLE wm0 panic

[SAITOH Masanobu <masanobu%iij.ad.jp@localhost>]

 Hello.

 The bug had been fixed by if_wm.c rev. 1.173 on -current. It's not pulled up
yet. I'm now working other bugs and will be pulled up all of them in near
future.

Regards.


 >    Okay.  I was able to compile a GENERIC netbsd-5-0 kernel, and it fails in 
 > the same way.  The addresses are slightly different than mentioned in my 
 > earlier post, but the same error clearly in the same place occurs.  As there 
 > have been no changes in the netbsd-5-0 branch in the wm driver since 
 > netbsd-5-0-RELEASE, this should apply to that release as well.
 > 
 >    Please, someone let me know if there's any more information I can 
 > provide.  I am anxious to get this problem located and resolved so that I 
 > can update this machine, as the first of many 4.0 machines I plan to upgrade.
 > 
 >    Thank you.
 > 
 >                               - Chris
 > 
 > 
 > On May 17, 2009, at 23:07, Chris Ross wrote:
 > >  From sources updated today, I built the world on an earlier NetBSD 
 > > 5.0_STABLE i386 system, for i386.  I built a custom kernel for my i386 
 > > (MP) router, and it doesn't boot successfully.
 > >
 > >  In further testing, it appears that it's the act of simply bringing "up" 
 > > the wm0 interface[...]
 > > I can bring online all of the filesystems, and then simply executing:
 > >
 > >  ifconfig wm0 up
 > >
 > >  causes a panic.  Handwritten/copied here it is:
 > >
 > > uvm_fault(0xcadffd40, 0, 1) -> 0xe
 > > fatal page fault in supervisor mode
 > > trap type 6 code 0 eip c061788b cs 8 eflags 10286 cr2 0 ilevel 6
 > > kernel: supervisor trap page fault, code=0
 > > Stopped in pid 29.1 (ifconfig) at netbsd:wm_tbi_mediachange+0xb: movl 0
 > > (%eax),%esi
 > > db{0}>
 > >
 > >  I know there have been changes singe 5.0 release that affect wm, but I 
 > > don't know if 5.0 release works either.  I'm going to build a netbsd-5-0 
 > > kernel next, but that will take some time to fetch that source tree.
 > >
 > >  NetBSD 4.0_STABLE reports my wm as:
 > >
 > > wm0 at pci0 dev 13 function 0: Intel i82543GC 1000BASE-X Ethernet, rev. 2
 > > wm0: interrupting at ioapic0 pin 17 (irq 11)
 > > wm0: 32-bit 33MHz PCI bus
 > > wm0: 64 word (6 address bits) MicroWire EEPROM
 > > wm0: Ethernet address 00:03:47:0d:eb:86
 > > wm0: 1000baseSX, 1000baseSX-FDX, auto
 > >
 > >  ..and the pcictl dump for this device is attached.
 > >
 > >  Anyone have any idea?  Thanks.

----------------------------------------------------------
                SAITOH Masanobu (masanobu%iij.ad.jp@localhost
                                  msaitoh%netbsd.org@localhost)