* [Qemu-devel] segfault on current HEAD, qemu-system-arm
@ 2011-10-02 14:20 Avi Kivity
2011-10-02 18:44 ` Blue Swirl
0 siblings, 1 reply; 4+ messages in thread
From: Avi Kivity @ 2011-10-02 14:20 UTC (permalink / raw)
To: qemu-devel
3917149 gives me this:
[root@westmere-ep arm-test]# gdb --args qemu-system-arm -kernel
zImage.integrator -initrd arm_root.img
GNU gdb (GDB) Fedora (7.3-41.fc15)
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/local/bin/qemu-system-arm...done.
(gdb) r
Starting program: /usr/local/bin/qemu-system-arm -kernel
zImage.integrator -initrd arm_root.img
[Thread debugging using libthread_db enabled]
[New Thread 0x7ffff4a5d700 (LWP 12467)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff4a5d700 (LWP 12467)]
0x00000000005bcee6 in get_phys_addr (env=0x0, address=0, access_type=2,
is_user=0, phys_ptr=0x7ffff4a5c994, prot=0x7ffff4a5c99c, page_size=
0x7ffff4a5c998) at /home/tlv/akivity/qemu/target-arm/helper.c:1275
1275 address += env->cp15.c13_fcse;
Missing separate debuginfos, use: debuginfo-install
SDL-1.2.14-11.fc15.x86_64 bzip2-libs-1.0.6-3.fc15.x86_64
celt051-0.5.1.3-3.fc15.x86_64 cyrus-sasl-lib-2.1.23-18.fc15.x86_64
glib2-2.28.8-1.fc15.x86_64 glibc-2.14-5.x86_64
keyutils-libs-1.2-7.fc15.x86_64 krb5-libs-1.9.1-5.fc15.x86_64
libX11-1.4.3-1.fc15.x86_64 libXau-1.0.6-2.fc15.x86_64
libXcursor-1.1.11-3.fc15.x86_64 libXext-1.2.0-2.fc15.x86_64
libXfixes-5.0-1.fc15.x86_64 libXrandr-1.3.1-2.fc15.x86_64
libXrender-0.9.6-2.fc15.x86_64 libcom_err-1.41.14-2.fc15.x86_64
libcurl-7.21.3-9.fc15.x86_64 libgcc-4.6.0-10.fc15.x86_64
libidn-1.19-2.fc15.x86_64 libjpeg-turbo-1.1.1-1.fc15.x86_64
libpng-1.2.46-1.fc15.x86_64 libselinux-2.0.99-4.fc15.x86_64
libssh2-1.2.7-1.fc15.x86_64 libxcb-1.7-2.fc15.x86_64
ncurses-libs-5.8-2.20110319.fc15.x86_64 nspr-4.8.8-1.fc15.x86_64
nss-3.12.10-5.fc15.x86_64 nss-softokn-freebl-3.12.10-2.fc15.x86_64
nss-util-3.12.10-1.fc15.x86_64 openldap-2.4.24-3.fc15.x86_64
openssl-1.0.0d-1.fc15.x86_64 pixman-0.20.2-2.fc15.x86_64
spice-server-0.8.1-1.fc15.x86_64 xen-libs-4.1.1-3.fc15.x86_64
xz-libs-5.0.3-1.fc15.x86_64 zlib-1.2.5-3.fc15.x86_64
(gdb) bt
#0 0x00000000005bcee6 in get_phys_addr (env=0x0, address=0,
access_type=2, is_user=0, phys_ptr=0x7ffff4a5c994, prot=0x7ffff4a5c99c,
page_size=
0x7ffff4a5c998) at /home/tlv/akivity/qemu/target-arm/helper.c:1275
#1 0x00000000005bd036 in cpu_arm_handle_mmu_fault (env=0x0, address=0,
access_type=2, mmu_idx=0)
at /home/tlv/akivity/qemu/target-arm/helper.c:1305
#2 0x000000000061ceba in tlb_fill (env1=0x1293c40, addr=0, is_write=2,
mmu_idx=0, retaddr=0x0)
at /home/tlv/akivity/qemu/target-arm/op_helper.c:87
#3 0x00000000005a0a99 in __ldb_cmmu (addr=0, mmu_idx=0) at
/home/tlv/akivity/qemu/softmmu_template.h:139
#4 0x00000000005934c9 in ldub_code (ptr=0) at
/home/tlv/akivity/qemu/softmmu_header.h:96
#5 0x00000000005935ad in get_page_addr_code (env1=0x1293c40, addr=0) at
/home/tlv/akivity/qemu/exec-all.h:333
#6 0x0000000000593889 in tb_find_slow (env=0x1293c40, pc=0, cs_base=0,
flags=64) at /home/tlv/akivity/qemu/cpu-exec.c:95
#7 0x0000000000593ae4 in tb_find_fast (env=0x1293c40) at
/home/tlv/akivity/qemu/cpu-exec.c:151
#8 0x0000000000593f0a in cpu_arm_exec (env=0x1293c40) at
/home/tlv/akivity/qemu/cpu-exec.c:533
#9 0x0000000000596007 in tcg_cpu_exec (env=0x1293c40) at
/home/tlv/akivity/qemu/cpus.c:913
#10 0x0000000000596113 in cpu_exec_all () at
/home/tlv/akivity/qemu/cpus.c:949
#11 0x00000000005957ec in qemu_tcg_cpu_thread_fn (arg=0x1293c40) at
/home/tlv/akivity/qemu/cpus.c:688
#12 0x000000341d407b31 in start_thread () from /lib64/libpthread.so.0
#13 0x000000341d0dfd2d in clone () from /lib64/libc.so.6
--
error compiling committee.c: too many arguments to function
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [Qemu-devel] segfault on current HEAD, qemu-system-arm 2011-10-02 14:20 [Qemu-devel] segfault on current HEAD, qemu-system-arm Avi Kivity @ 2011-10-02 18:44 ` Blue Swirl 2011-10-05 13:22 ` Peter Maydell 0 siblings, 1 reply; 4+ messages in thread From: Blue Swirl @ 2011-10-02 18:44 UTC (permalink / raw) To: Avi Kivity; +Cc: qemu-devel On Sun, Oct 2, 2011 at 2:20 PM, Avi Kivity <avi@redhat.com> wrote: > 3917149 gives me this: > > [root@westmere-ep arm-test]# gdb --args qemu-system-arm -kernel > zImage.integrator -initrd arm_root.img > GNU gdb (GDB) Fedora (7.3-41.fc15) > Copyright (C) 2011 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later > <http://gnu.org/licenses/gpl.html> > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. Type "show copying" > and "show warranty" for details. > This GDB was configured as "x86_64-redhat-linux-gnu". > For bug reporting instructions, please see: > <http://www.gnu.org/software/gdb/bugs/>... > Reading symbols from /usr/local/bin/qemu-system-arm...done. > (gdb) r > Starting program: /usr/local/bin/qemu-system-arm -kernel zImage.integrator > -initrd arm_root.img > [Thread debugging using libthread_db enabled] > [New Thread 0x7ffff4a5d700 (LWP 12467)] > > Program received signal SIGSEGV, Segmentation fault. > [Switching to Thread 0x7ffff4a5d700 (LWP 12467)] > 0x00000000005bcee6 in get_phys_addr (env=0x0, address=0, access_type=2, > is_user=0, phys_ptr=0x7ffff4a5c994, prot=0x7ffff4a5c99c, page_size= > 0x7ffff4a5c998) at /home/tlv/akivity/qemu/target-arm/helper.c:1275 > 1275 address += env->cp15.c13_fcse; > Missing separate debuginfos, use: debuginfo-install > SDL-1.2.14-11.fc15.x86_64 bzip2-libs-1.0.6-3.fc15.x86_64 > celt051-0.5.1.3-3.fc15.x86_64 cyrus-sasl-lib-2.1.23-18.fc15.x86_64 > glib2-2.28.8-1.fc15.x86_64 glibc-2.14-5.x86_64 > keyutils-libs-1.2-7.fc15.x86_64 krb5-libs-1.9.1-5.fc15.x86_64 > libX11-1.4.3-1.fc15.x86_64 libXau-1.0.6-2.fc15.x86_64 > libXcursor-1.1.11-3.fc15.x86_64 libXext-1.2.0-2.fc15.x86_64 > libXfixes-5.0-1.fc15.x86_64 libXrandr-1.3.1-2.fc15.x86_64 > libXrender-0.9.6-2.fc15.x86_64 libcom_err-1.41.14-2.fc15.x86_64 > libcurl-7.21.3-9.fc15.x86_64 libgcc-4.6.0-10.fc15.x86_64 > libidn-1.19-2.fc15.x86_64 libjpeg-turbo-1.1.1-1.fc15.x86_64 > libpng-1.2.46-1.fc15.x86_64 libselinux-2.0.99-4.fc15.x86_64 > libssh2-1.2.7-1.fc15.x86_64 libxcb-1.7-2.fc15.x86_64 > ncurses-libs-5.8-2.20110319.fc15.x86_64 nspr-4.8.8-1.fc15.x86_64 > nss-3.12.10-5.fc15.x86_64 nss-softokn-freebl-3.12.10-2.fc15.x86_64 > nss-util-3.12.10-1.fc15.x86_64 openldap-2.4.24-3.fc15.x86_64 > openssl-1.0.0d-1.fc15.x86_64 pixman-0.20.2-2.fc15.x86_64 > spice-server-0.8.1-1.fc15.x86_64 xen-libs-4.1.1-3.fc15.x86_64 > xz-libs-5.0.3-1.fc15.x86_64 zlib-1.2.5-3.fc15.x86_64 > (gdb) bt > #0 0x00000000005bcee6 in get_phys_addr (env=0x0, address=0, access_type=2, > is_user=0, phys_ptr=0x7ffff4a5c994, prot=0x7ffff4a5c99c, page_size= > 0x7ffff4a5c998) at /home/tlv/akivity/qemu/target-arm/helper.c:1275 > #1 0x00000000005bd036 in cpu_arm_handle_mmu_fault (env=0x0, address=0, > access_type=2, mmu_idx=0) > at /home/tlv/akivity/qemu/target-arm/helper.c:1305 Bah, bug in bccd9ec5f098668576342c83d90d6d6833d61d33, target-arm/op_helper.c missed this change unlike all other targets: diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c index ab9c923..1892b35 100644 --- a/target-arm/op_helper.c +++ b/target-arm/op_helper.c @@ -84,6 +84,7 @@ void tlb_fill(CPUState *env1, target_ulong addr, int is_write, int mmu_idx, int ret; saved_env = env; + env = env1; ret = cpu_arm_handle_mmu_fault(env, addr, is_write, mmu_idx); if (unlikely(ret)) { if (retaddr) { > #2 0x000000000061ceba in tlb_fill (env1=0x1293c40, addr=0, is_write=2, > mmu_idx=0, retaddr=0x0) > at /home/tlv/akivity/qemu/target-arm/op_helper.c:87 > #3 0x00000000005a0a99 in __ldb_cmmu (addr=0, mmu_idx=0) at > /home/tlv/akivity/qemu/softmmu_template.h:139 > #4 0x00000000005934c9 in ldub_code (ptr=0) at > /home/tlv/akivity/qemu/softmmu_header.h:96 > #5 0x00000000005935ad in get_page_addr_code (env1=0x1293c40, addr=0) at > /home/tlv/akivity/qemu/exec-all.h:333 > #6 0x0000000000593889 in tb_find_slow (env=0x1293c40, pc=0, cs_base=0, > flags=64) at /home/tlv/akivity/qemu/cpu-exec.c:95 > #7 0x0000000000593ae4 in tb_find_fast (env=0x1293c40) at > /home/tlv/akivity/qemu/cpu-exec.c:151 > #8 0x0000000000593f0a in cpu_arm_exec (env=0x1293c40) at > /home/tlv/akivity/qemu/cpu-exec.c:533 > #9 0x0000000000596007 in tcg_cpu_exec (env=0x1293c40) at > /home/tlv/akivity/qemu/cpus.c:913 > #10 0x0000000000596113 in cpu_exec_all () at > /home/tlv/akivity/qemu/cpus.c:949 > #11 0x00000000005957ec in qemu_tcg_cpu_thread_fn (arg=0x1293c40) at > /home/tlv/akivity/qemu/cpus.c:688 > #12 0x000000341d407b31 in start_thread () from /lib64/libpthread.so.0 > #13 0x000000341d0dfd2d in clone () from /lib64/libc.so.6 > > -- > error compiling committee.c: too many arguments to function > > > ^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [Qemu-devel] segfault on current HEAD, qemu-system-arm 2011-10-02 18:44 ` Blue Swirl @ 2011-10-05 13:22 ` Peter Maydell 2011-10-08 10:16 ` Blue Swirl 0 siblings, 1 reply; 4+ messages in thread From: Peter Maydell @ 2011-10-05 13:22 UTC (permalink / raw) To: Blue Swirl; +Cc: Avi Kivity, qemu-devel On 2 October 2011 19:44, Blue Swirl <blauwirbel@gmail.com> wrote: > Bah, bug in bccd9ec5f098668576342c83d90d6d6833d61d33, > target-arm/op_helper.c missed this change unlike all other targets: > diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c > index ab9c923..1892b35 100644 > --- a/target-arm/op_helper.c > +++ b/target-arm/op_helper.c > @@ -84,6 +84,7 @@ void tlb_fill(CPUState *env1, target_ulong addr, int > is_write, int mmu_idx, > int ret; > > saved_env = env; > + env = env1; > ret = cpu_arm_handle_mmu_fault(env, addr, is_write, mmu_idx); > if (unlikely(ret)) { > if (retaddr) { > This fixes the segfault for me. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> -- PMM ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Qemu-devel] segfault on current HEAD, qemu-system-arm 2011-10-05 13:22 ` Peter Maydell @ 2011-10-08 10:16 ` Blue Swirl 0 siblings, 0 replies; 4+ messages in thread From: Blue Swirl @ 2011-10-08 10:16 UTC (permalink / raw) To: Peter Maydell; +Cc: Avi Kivity, qemu-devel On Wed, Oct 5, 2011 at 1:22 PM, Peter Maydell <peter.maydell@linaro.org> wrote: > On 2 October 2011 19:44, Blue Swirl <blauwirbel@gmail.com> wrote: >> Bah, bug in bccd9ec5f098668576342c83d90d6d6833d61d33, >> target-arm/op_helper.c missed this change unlike all other targets: >> diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c >> index ab9c923..1892b35 100644 >> --- a/target-arm/op_helper.c >> +++ b/target-arm/op_helper.c >> @@ -84,6 +84,7 @@ void tlb_fill(CPUState *env1, target_ulong addr, int >> is_write, int mmu_idx, >> int ret; >> >> saved_env = env; >> + env = env1; >> ret = cpu_arm_handle_mmu_fault(env, addr, is_write, mmu_idx); >> if (unlikely(ret)) { >> if (retaddr) { >> > > This fixes the segfault for me. > > Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Thanks for the review, applied. ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2011-10-08 10:17 UTC | newest] Thread overview: 4+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2011-10-02 14:20 [Qemu-devel] segfault on current HEAD, qemu-system-arm Avi Kivity 2011-10-02 18:44 ` Blue Swirl 2011-10-05 13:22 ` Peter Maydell 2011-10-08 10:16 ` Blue Swirl
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