Date: Sun, 8 Aug 2004 22:54:56 +0100 (BST) From: Mike Bristow <mike@lir.urgle.com> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/70189: [patch] vr(4) implements panic(9) Message-ID: <200408082154.i78Lsumx029418@lir.urgle.com> Resent-Message-ID: <200408082200.i78M0cOe028204@freefall.freebsd.org>
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>Number: 70189 >Category: kern >Synopsis: [patch] vr(4) implements panic(9) >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Aug 08 22:00:38 GMT 2004 >Closed-Date: >Last-Modified: >Originator: Mike Bristow >Release: FreeBSD 5.2-CURRENT i386 >Organization: >Environment: System: FreeBSD lir.urgle.com 5.2-CURRENT FreeBSD 5.2-CURRENT #2: Sun Aug 8 14:00:07 BST 2004 root@:/scratch/usr.obj/usr/src/sys/GENERIC i386 Panic observed on system cvsuped with *default date=2004.07.27.00.00.00 fix tested on that and also *default date=2004.08.07.00.00.00 >Description: Kernel panics at boot with: panic: mutex vr0 not owned at /usr/src/sys/pci/if_vr.c:571 cpuid=1; KDB: enter: panic [thread 100077] Stopped at kdb_enter+0x30: leave db> trace kdb_enter(...) panic(...) _mtx_assert(...) vr_setcfg(...) vr_miibus_statchg(...) miibus_statchg(...) mii_phy_update(...) amphy_service(...) mii_pollstat(...) vr_ifmedia_sts(...) ifmedia_ioctl(...) vr_ioctl(...) ifhwioctl(...) ifioctl(...) soo_ioctl(...) ioctl(...) syscakk(...) Xint0x80_syscall(...) >How-To-Repeat: Fit NIC driven by vr(4); try to use! >Fix: Apply: --- sys/pci/if_vr.c.orig Sat Aug 7 12:57:45 2004 +++ sys/pci/if_vr.c Sat Aug 7 12:58:53 2004 @@ -1561,7 +1561,9 @@ struct mii_data *mii; mii = device_get_softc(sc->vr_miibus); + VR_LOCK(sc); mii_pollstat(mii); + VR_UNLOCK(sc); ifmr->ifm_active = mii->mii_media_active; ifmr->ifm_status = mii->mii_media_status; } >Release-Note: >Audit-Trail: >Unformatted:
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