Date: Sat, 25 Mar 2017 21:44:13 +0000 (UTC) From: Darren <darren780@yahoo.com> To: "freebsd-current@freebsd.org" <freebsd-current@freebsd.org> Subject: Re: r315684 panic: sleepq_add: td 0xfffff80003c01a40 to sleep on wchan 0xfffff80006f0873c with sleeping prohibited Message-ID: <1262380892.3757534.1490478253615@mail.yahoo.com> In-Reply-To: <20170325033142.GA23308@FreeBSD.org> References: <1824572972.3096988.1490377215756.ref@mail.yahoo.com> <1824572972.3096988.1490377215756@mail.yahoo.com> <20170325010314.GG43712@kib.kiev.ua> <20170325033142.GA23308@FreeBSD.org>
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So far I have not had a re-occurrence of the crash. It has only been a couple hours so far, will update if it happens or not over the next couple days. Thanks!
-Darren
Darren,
On Sat, Mar 25, 2017 at 03:03:14AM +0200, Konstantin Belousov wrote:
K> On Fri, Mar 24, 2017 at 05:40:15PM +0000, Darren wrote:
K> > I am getting this panic every hour to every couple of hours.
K> >
K> > FreeBSD asrock 12.0-CURRENT FreeBSD 12.0-CURRENT #0 r315684: Thu Mar 23 14:56:45 EDT 2017 darren@asrock:/usr/obj/usr/src/sys/GENERIC amd64
K> > I manually typed out the following, apologize for any typos.
K> >
K> >
K> > panic: sleepq_add: td 0xfffff80003c01a40 to sleep on wchan 0xfffff80006f0873c with sleeping prohibited
K> > cpuid = 0
K> > time = 1490372797
K> > KDB: stack backtrace:
K> > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0072e33690
K> > vpanic() at vpanic+0x19c/frame 0xfffffe0072e33710
K> > kassert_panic() at kassert_panic+0x126/frame 0xfffffe0072e33780
K> > sleepq_add() at sleepq_add+0x34f/frame 0xfffffe0072337d0
K> > _sleep() at _sleep+0x28d/frame 0xfffffe0072e33870
K> > soclose() at soclose+0xda/frame 0xfffffe0072e338b0
K> > _fdrop() at _fdrop+0x1a/frame 0xfffffe0072e338d0
K> > sendfile_iodone() at sendfile_iodone+0x19d/frame 0xfffffe0072e33910
K> > vnode_pager_generic_getpages_done_async() at vnode_pager_generic_getpages_done_async+037/frame 0xfffffe0072e33930
K> > bufdone() at bufdone+0x64/frame 0xfffffe0072e33960
K> > g_io_deliver() at g_io_deliver+0x276/frame 0xfffffe0072e339b0
K> > g_io_deliver() at g_io_deliver+0x276/frame 0xfffffe0072e33a00
K> > g_disk_done() at g_disk_done+0x104/frame 0xfffffe0072e33a40
K> > xpt_done_process() at xpt_done_process+0x35f/frame 0xfffffe0072e33a80
K> > xpt_done_direct() at ahci_ch_intr_direct+0xd5/frame 0xfffffe0072e33af0
K> > ahci_itr() at ahci_intr+0x102/frame 0xfffffe0072e33b20
K> > intr_event_execute_handlers() at intr_event_execute_handlers+0x99/frame 0xfffffe0072e33b60
K> > ithread_loop() at ithread_loop+0xb6/frame 0xfffffe0072e33bb0
K> > fork_exit() at fork_exit+0x84/frame 0xfffffe0072e33bf0
K> > fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0072e33bf0
K> > --- trap 0, rip = 0, rsp = 0, rbp = 0 ---
K> > KDB: enter: panic
K> > [ thread pid 12 tid 100038 ]
K> > Stopped at kdb_enter+0x3b: movq $0,kdb_why
K> > db>
K>
K> Indeed, the context where sendfile_iodone() is executed, cannot call fdrop().
Can you please test the attached patch?
--
Totus tuus, Glebius.
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Subject: New /head/sys/amd64/amd64/genassym.c breaks buildkernel amd64 current
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Date: Sat, 25 Mar 2017 15:21:15 -0700
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Recent change to genassym.c breaks building a current kernel:
--------------------------------------------------------------
>>> stage 3.1: building everything
--------------------------------------------------------------
cd /usr/obj/usr/src/sys/pozo; COMPILER_VERSION=40000 COMPILER_TYPE=clang COMPILER_FREEBSD_VERSION=1200006 MAKEOBJDIRPREFIX=/usr/obj MACHINE_ARCH=amd64 MACHINE=amd64 CPUTYPE= GROFF_BIN_PATH=/usr/obj/usr/src/tmp/legacy/usr/bin GROFF_FONT_PATH=/usr/obj/usr/src/tmp/legacy/usr/share/groff_font GROFF_TMAC_PATH=/usr/obj/usr/src/tmp/legacy/usr/share/tmac CC="/usr/local/bin/ccache cc -target x86_64-unknown-freebsd12.0 --sysroot=/usr/obj/usr/src/tmp -B/usr/obj/usr/src/tmp/usr/bin" CXX="/usr/local/bin/ccache c++ -target x86_64-unknown-freebsd12.0 --sysroot=/usr/obj/usr/src/tmp -B/usr/obj/usr/src/tmp/usr/bin" CPP="cpp -target x86_64-unknown-freebsd12.0 --sysroot=/usr/obj/usr/src/tmp -B/usr/obj/usr/src/tmp/usr/bin" AS="as" AR="ar" LD="ld" LLVM_LINK="" NM=nm OBJCOPY="objcopy" RANLIB=ranlib STRINGS= SIZE="size" INSTALL="sh /usr/src/tools/install.sh" PATH=/usr/obj/usr/src/tmp/legacy/usr/sbin:/usr/obj/usr/src/tmp/legacy/usr/bin:/usr/obj/usr/src/tmp/legacy/bin:/usr/obj/usr/src/tmp/usr/sbin:/usr/obj/usr/src/tmp/usr/bin:/sbin:/bin:/usr/sbin:/usr/bin make -m /usr/src/share/mk KERNEL=kernel all -DNO_MODULES_OBJ
machine -> /usr/src/sys/amd64/include
x86 -> /usr/src/sys/x86/include
/usr/local/bin/ccache cc -target x86_64-unknown-freebsd12.0 --sysroot=/usr/obj/usr/src/tmp -B/usr/obj/usr/src/tmp/usr/bin -c -O2 -pipe -fno-strict-aliasing -g -nostdinc -I. -I/usr/src/sys -I/usr/src/sys/contrib/libfdt -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -MD -MF.depend.genassym.o -MTgenassym.o -mcmodel=kernel -mno-red-zone -mno-mmx -mno-sse -msoft-float -fno-asynchronous-unwind-tables -ffreestanding -fwrapv -fstack-protector -gdwarf-2 -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual -Wundef -Wno-pointer-sign -D__printf__=__freebsd_kprintf__ -Wmissing-include-dirs -fdiagnostics-show-option -Wno-unknown-pragmas -Wno-error-tautological-compare -Wno-error-empty-body -Wno-error-parentheses-equality -Wno-error-unused-function -Wno-error-pointer-sign -Wno-error-shift-negative-value -Wno-error-address-of-packed-member -mno-aes -mno-avx -std=iso9899:1999 /usr/src/sys/amd64/amd64/genassym.c
In file included from /usr/src/sys/amd64/amd64/genassym.c:47:
/usr/src/sys/sys/bus.h:730:10: fatal error: 'device_if.h' file not found
#include "device_if.h"
^~~~~~~~~~~~~
1 error generated.
*** Error code 1
Stop.
make[2]: stopped in /usr/obj/usr/src/sys/pozo
*** Error code 1
Stop.
make[1]: stopped in /usr/src
*** Error code 1
Stop.
make: stopped in /usr/src
cd /usr/obj/usr/src/sys/pozo ; make device_if.h
awk -f /usr/src/sys/tools/makeobjops.awk /usr/src/sys/kern/device_if.m -h
also bus_if.h is missing:
(pozo)5023}make
/usr/local/bin/ccache cc -c -O2 -pipe -fno-strict-aliasing -g -nostdinc -I. -I/usr/src/sys -I/usr/src/sys/contrib/libfdt -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -MD -MF.depend.genassym.o -MTgenassym.o -mcmodel=kernel -mno-red-zone -mno-mmx -mno-sse -msoft-float -fno-asynchronous-unwind-tables -ffreestanding -fwrapv -fstack-protector -gdwarf-2 -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual -Wundef -Wno-pointer-sign -D__printf__=__freebsd_kprintf__ -Wmissing-include-dirs -fdiagnostics-show-option -Wno-unknown-pragmas -Wno-error-tautological-compare -Wno-error-empty-body -Wno-error-parentheses-equality -Wno-error-unused-function -Wno-error-pointer-sign -Wno-error-shift-negative-value -Wno-error-address-of-packed-member -mno-aes -mno-avx -std=iso9899:1999 /usr/src/sys/amd64/amd64/genassym.c
In file included from /usr/src/sys/amd64/amd64/genassym.c:47:
/usr/src/sys/sys/bus.h:731:10: fatal error: 'bus_if.h' file not found
so:
make bus_if.h
awk -f /usr/src/sys/tools/makeobjops.awk /usr/src/sys/kern/bus_if.m -h
then the build works:
MAKE=make sh /usr/src/sys/conf/newvers.sh pozo
--- vers.o ---
/usr/local/bin/ccache cc -c -O2 -pipe -fno-strict-aliasing -g -nostdinc -I. -I/usr/src/sys -I/usr/src/sys/contrib/libfdt -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -mcmodel=kernel -mno-red-zone -mno-mmx -mno-sse -msoft-float -fno-asynchronous-unwind-tables -ffreestanding -fwrapv -fstack-protector -gdwarf-2 -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual -Wundef -Wno-pointer-sign -D__printf__=__freebsd_kprintf__ -Wmissing-include-dirs -fdiagnostics-show-option -Wno-unknown-pragmas -Wno-error-tautological-compare -Wno-error-empty-body -Wno-error-parentheses-equality -Wno-error-unused-function -Wno-error-pointer-sign -Wno-error-shift-negative-value -Wno-error-address-of-packed-member -mno-aes -mno-avx -std=iso9899:1999 vers.c
ctfconvert -L VERSION -g vers.o
--- kernel.full ---
linking kernel.full
ctfmerge -L VERSION -g -o kernel.full ...
text data bss dec hex filename
8657083 805570 3350664 12813317 0xc38405 kernel.full
--- kernel.debug ---
objcopy --only-keep-debug kernel.full kernel.debug
--- kernel ---
objcopy --strip-debug --add-gnu-debuglink=kernel.debug kernel.full kernel
somehow this needs to happen before genassym.c is compiled
this is a kernel without any modules
Manfred
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