Date: Fri, 10 Jun 2005 17:08:02 +0000 (GMT) From: jkoshy@FreeBSD.ORG (Joseph Koshy) To: freebsd-current@freebsd.org Cc: jkoshy@FreeBSD.ORG Subject: Kldunload panics in uma_zfree() Message-ID: <20050610170802.2B5A816A41F@hub.freebsd.org>
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I've been seeing this for a few days on a recent -current: # kldload MODULE # hwpmc. vkbd, etc. # kldunload MODULE leads to a panic on the lines of: "uma: Freed item 0xc1af0260 did not belong to zone mt_zone\n" The enclosed patch appears to fix the panic. Could someone review? Index: kern_malloc.c =================================================================== RCS file: /cvs/FreeBSD/src/sys/kern/kern_malloc.c,v retrieving revision 1.140 diff -u -r1.140 kern_malloc.c --- kern_malloc.c 29 May 2005 13:38:07 -0000 1.140 +++ kern_malloc.c 10 Jun 2005 16:45:51 -0000 @@ -616,7 +616,7 @@ } else kmemstatistics = mtp->ks_next; mtx_unlock(&malloc_mtx); - uma_zfree(mt_zone, mtp); + uma_zfree(mt_zone, mtip); } static int Regards, Koshy <jkoshy@freebsd.org>
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