Date: Mon, 20 Jun 2005 21:52:49 GMT From: Pascal Hofstee <caelian@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/82456: WITNESS warning/backtrace in if_ral Message-ID: <200506202152.j5KLqnAb058168@www.freebsd.org> Resent-Message-ID: <200506202200.j5KM0b1k002221@freefall.freebsd.org>
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>Number: 82456 >Category: kern >Synopsis: WITNESS warning/backtrace in if_ral >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Jun 20 22:00:37 GMT 2005 >Closed-Date: >Last-Modified: >Originator: Pascal Hofstee >Release: FreeBSD 6.0-CURRENT amd64 >Organization: >Environment: FreeBSD synergy.charterpipeline.net.lan 6.0-CURRENT FreeBSD 6.0-CURRENT #2: Mon Jun 20 01:00:13 PDT 2005 daeron@synergy.charterpipeline.net.lan:/usr/obj/usr/src/sys/SYNERGY amd64 >Description: I used to see the following WITNESS warning/backtrace periodically ... though after last nights update i have only seen the warning at boot time. malloc(M_WAITOK) of "32", forcing M_NOWAIT with the following non-sleepable locks held: exclusive sleep mutex ral0 (network driver) r = 0 (0xffffffff80c64de8) locked @ /usr/src/sys/dev/ral/if_ral.c:2167 KDB: stack backtrace: kdb_backtrace() at kdb_backtrace+0x37 witness_warn() at witness_warn+0x2c1 uma_zalloc_arg() at uma_zalloc_arg+0x69 malloc() at malloc+0xf5 ieee80211_ioctl_setoptie() at ieee80211_ioctl_setoptie+0x4b ieee80211_ioctl_set80211() at ieee80211_ioctl_set80211+0x64e ieee80211_ioctl() at ieee80211_ioctl+0x125 ral_ioctl() at ral_ioctl+0xa4 in_control() at in_control+0xc2f ifioctl() at ifioctl+0x1f6 soo_ioctl() at soo_ioctl+0x38c ioctl() at ioctl+0x476 syscall() at syscall+0x332 Xfast_syscall() at Xfast_syscall+0xa8 --- syscall (54, FreeBSD ELF64, ioctl), rip = 0x8007c2d4c, rsp = 0x7fffffffe038, rbp = 0x18 --- >How-To-Repeat: At least the first time my ral0 interface goes UP i get this warning ... >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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