Re: new if_bge/mii panic

[Masanobu SAITOH <msaitoh%execsw.org@localhost>]

(2013/06/12 2:57), Matthias Drochner wrote:
> Hi -
> after I updated my kernel to today's sources (the last one was about 6
> weeks old), I'm getting this panic:
>
> #3  0xc04c95f1 in panic (fmt=0xc06e42dd "%s: %s caller=%p")
> at ../../../../kern/subr_prf.c:200
> #4  0xc033846c in assert_sleepable
> () at ../../../../kern/kern_lock.c:92
> #5  0xc04c7c1b in
> pool_cache_get_paddr (pc=0xc1a5ae00, flags=1, pap=0x0)
> at ../../../../kern/subr_pool.c:2212
> #6  0xc04bed1c in kmem_intr_alloc
> (requested_size=20, kmflags=1) at ../../../../kern/subr_kmem.c:265
> #7 0xc033bb21 in kern_malloc (size=16, flags=2)
> at ../../../../kern/kern_malloc.c:118
> #8  0xc0388b6c in
> in6_createmkludge (ifp=0xc1aeb004) at ../../../../netinet6/mld6.c:872
> #9  0xc02bf19c in in6_ifattach (ifp=0xc1aeb004, altifp=0x0)
> at ../../../../netinet6/in6_ifattach.c:778
> #10 0xc02bd5b5 in in6_if_up
> (ifp=0xc1aeb004) at ../../../../netinet6/in6.c:2212

 This problem might be caused by mii or bge, but I suspect that the problem
was caused by the following change:

http://mail-index.netbsd.org/source-changes/2013/06/11/msg044684.html

At least MII related changes I committed change MII register,
sc->mii_media_active and sc->mii_media_status only.



> #11 0xc0387122 in
> mii_phy_statusmsg (sc=<optimized out>)
> at ../../../../dev/mii/mii_physubr.c:444
> #12 mii_phy_update
> (sc=0xc1de15d0, cmd=3) at ../../../../dev/mii/mii_physubr.c:427
> #13 0xc016b83a in brgphy_service (sc=0xc1de15d0, mii=0xc1aeb2b4, cmd=3)
> at ../../../../dev/mii/brgphy.c:452
> #14 0xc038633b in phy_service
> (cmd=3, mii=0xc1aeb2b4, sc=0xc1de15d0) at ../../../../dev/mii/mii.c:198
> #15 mii_pollstat (mii=0xc1aeb2b4) at ../../../../dev/mii/mii.c:251
> #16 0xc0274be6 in bge_link_upd (sc=0xc1aeb000)
> at ../../../../dev/pci/if_bge.c:5782
> #17 bge_intr (xsc=0xc1aeb000)
> at ../../../../dev/pci/if_bge.c:4534
> #18 0xc02cdd70 in
> intr_biglock_wrapper (vp=0xc1d8b548)
> at ../../../../arch/x86/x86/intr.c:605
> #19 0xc0107825 in Xintr_ioapic_level3 ()
>
> There were significant changes in both if_bge and mii, so I'm refraining
> from guesses for now.
>
> best regards
> Matthias
>
>
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--
-----------------------------------------------
                SAITOH Masanobu (msaitoh%execsw.org@localhost
                                 msaitoh%netbsd.org@localhost)