Date: Fri, 25 Jun 2004 13:02:38 GMT From: Nikolai Saoukh <nms@otdel-1.org> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/68323: (WITNESS report): malloc(M_WAITOK) of "Mbuf", forcing M_NOWAIT with the non-sleepable locks held Message-ID: <200406251302.i5PD2cOm057678@www.freebsd.org> Resent-Message-ID: <200406251310.i5PDABRM063315@freefall.freebsd.org>
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>Number: 68323 >Category: kern >Synopsis: (WITNESS report): malloc(M_WAITOK) of "Mbuf", forcing M_NOWAIT with the non-sleepable locks held >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Jun 25 13:10:11 GMT 2004 >Closed-Date: >Last-Modified: >Originator: Nikolai Saoukh >Release: FreeBSD 5.2-CURRENT i386 >Organization: none >Environment: FreeBSD otdel-1.org 5.2-CURRENT FreeBSD 5.2-CURRENT #1: Thu Jun 24 11:11:43 MSD 2004 nms@otdel-1.org:/usr/obj/usr/src/sys/XXX i386 >Description: Jun 25 16:32:04 xxx kernel: malloc(M_WAITOK) of "Mbuf", forcing M_NOWAIT with the following non-sleepable locks held: Jun 25 16:32:04 xxx kernel: exclusive sleep mutex rip r = 0 (0xc068f50c) locked @ /usr/src/sys/netinet/raw_ip.c:736 Jun 25 16:32:04 xxx kernel: Stack backtrace: Jun 25 16:32:04 xxx kernel: backtrace(1,c36bd600,c0c21b00,14,de72babc) at backtrace+0x12 Jun 25 16:32:04 xxx kernel: witness_warn(5,0,c061cf8c,c06024aa) at witness_warn+0x18e Jun 25 16:32:04 xxx kernel: uma_zalloc_arg(c0c21b00,de72bae0,2) at uma_zalloc_arg+0x38 Jun 25 16:32:04 xxx kernel: m_prepend(c36bd600,14,2,c35ca768,0) at m_prepend+0x52 Jun 25 16:32:04 xxx kernel: rip_output(c36bd600,c35ca768,2d936c3,0,c38fc840) at rip_output+0x95 Jun 25 16:32:04 xxx kernel: rip_send(c35ca768,0,c36bd600,0,0) at rip_send+0x93 Jun 25 16:32:04 xxx kernel: sosend(c35ca768,0,0,c36bd600,0) at sosend+0x5a5 Jun 25 16:32:04 xxx kernel: ng_ksocket_rcvdata(c3806780,c38e5180,c0606f29,3,c3105580) at ng_ksocket_rcvdata+0x1ce Jun 25 16:32:04 xxx kernel: ng_apply_item(c5f3e100,c38e5180,116,c38e5180,c36bd600) at ng_apply_item+0x1c4 Jun 25 16:32:04 xxx kernel: ng_snd_item(c38e5180,0,c36bd600,2,1) at ng_snd_item+0x753 Jun 25 16:32:04 xxx kernel: ng_pptpgre_xmit(c5f06b00,0,c5f06b00,c5e2a414,6) at ng_pptpgre_xmit+0x477 Jun 25 16:32:04 xxx kernel: ng_pptpgre_send_ack_timeout(c34e8ba0) at ng_pptpgre_send_ack_timeout+0x1e7 Jun 25 16:32:04 xxx kernel: softclock(0) at softclock+0x176 Jun 25 16:32:04 xxx kernel: ithread_loop(c3103080,de72bd48,c3103080,c049520c,0) at ithread_loop+0x134 Jun 25 16:32:04 xxx kernel: fork_exit(c049520c,c3103080,de72bd48) at fork_exit+0x98 Jun 25 16:32:04 xxx kernel: fork_trampoline() at fork_trampoline+0x8 Jun 25 16:32:04 xxx kernel: --- trap 0x1, eip = 0, esp = 0xde72bd7c, ebp = 0 --- >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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