Date: Wed, 12 Mar 2003 10:49:14 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: Tod McQuillin <devin@spamcop.net> Cc: freebsd-current@freebsd.org Subject: RE: lock order reversal? current with tl ethernet Message-ID: <XFMail.20030312104914.jhb@FreeBSD.org> In-Reply-To: <20030312141402.X61843@glass.pun-pun.prv>
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On 12-Mar-2003 Tod McQuillin wrote: > > Running -current from March 11 on a dual cpu compaq 5100, there are some > warnings in the dmesg about the tl ethernet interface. > > Here are the warnings: > > malloc() of "128" with the following non-sleepablelocks held: > exclusive sleep mutex tl0 (network driver) r = 0 (0xc4017aa8) locked @ > /usr/src/5-current/src/sys/pci/if_tl.c:1146 It's holding the lock across bus_setup_intr(). You can try the following patch: Index: if_tl.c =================================================================== RCS file: /usr/cvs/src/sys/pci/if_tl.c,v retrieving revision 1.74 diff -u -r1.74 if_tl.c --- if_tl.c 19 Feb 2003 05:47:41 -0000 1.74 +++ if_tl.c 12 Mar 2003 15:20:47 -0000 @@ -1138,12 +1138,11 @@ if (t->tl_name == NULL) { device_printf(dev, "unknown device!?\n"); - goto fail; device_printf(dev, "unknown device!?\n"); - goto fail; RCS file: /usr/cvs/src/sys/pci/if_tl.c,v retrieving revision 1.74 diff -u -r1.74 if_tl.c --- if_tl.c 19 Feb 2003 05:47:41 -0000 1.74 +++ if_tl.c 12 Mar 2003 15:20:47 -0000 @@ -1138,12 +1138,11 @@ if (t->tl_name == NULL) { device_printf(dev, "unknown device!?\n"); - goto fail; + return (ENXIO); } mtx_init(&sc->tl_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE); - TL_LOCK(sc); /* * Map control/status registers. @@ -1348,12 +1347,12 @@ /* * Call MI attach routine. */ -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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