On Thu, Feb 7, 2013 at 2:39 PM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: > On Thu, Feb 7, 2013 at 12:52 PM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: >> On Thu, Feb 7, 2013 at 12:14 PM, Eric W. Biederman >> <ebiederm@xxxxxxxxxxxx> wrote: >>> Sedat Dilek <sedat.dilek@xxxxxxxxx> writes: >>> >>>> On Thu, Feb 7, 2013 at 11:20 AM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: >>>>> On Thu, Feb 7, 2013 at 10:38 AM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: >>>>>> On Thu, Feb 7, 2013 at 7:37 AM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: >>>>>>> Hi all, >>>>>>> >>>>>>> Changes since 20130206: >>>>>>> >>>>>>> Removed tree: kvmtool (still present via the tip tree) >>>>>>> >>>>>>> The block tree lost its build failure. >>>>>>> >>>>>>> The tip tree gained a conflict against the s390 tree. >>>>>>> >>>>>>> The kvm tree gained a conflict against Linus' tree. >>>>>>> >>>>>>> The tty tree lost its build failure. >>>>>>> >>>>>>> The arm-soc tree gained conflicts against the iommu tree. >>>>>>> >>>>>>> The signal tree gained a conflict against the s390 tree. >>>>>>> >>>>>>> The akpm tree gained a conflict against the kvm tree and lost its build >>>>>>> failure. >>>>>>> >>>>>>> ---------------------------------------------------------------------------- >>>>>>> >>>>>> >>>>>> My build-script uses fakeroot and does no more start: >>>>>> >>>>>> $ ./scripts/build_linux-next.sh >>>>>> make options ...... CC=gcc-4.6 -j4 >>>>>> KBUILD_BUILD_USER=sedat.dilek@xxxxxxxxx >>>>>> LOCALVERSION=-next20130207-2-iniza-small >>>>>> dep-pkg options ... KDEB_PKGVERSION=3.8.0~rc6~next20130207-2~iniza+dileks1 >>>>>> fakeroot, while creating message channels: Invalid argument >>>>>> This may be due to a lack of SYSV IPC support. >>>>>> fakeroot: error while starting the `faked' daemon. >>>>>> kill: usage: kill [-s sigspec | -n signum | -sigspec] pid | jobspec >>>>>> ... or kill -l [sigspec] >>>>>> >>>>>> >>>>>> Any hints? >>>>>> ( I could run strace... ) >>>>>> >>>>>> - Sedat - >>>>> >>>>> Attached strace outputs within yesterday's (GOOD) and today's (BAD) Linux-Next. >>>>> >>>>> - Sedat - >>>> >>>> [ CCing Al and Eric ] >>>> >>>> I compared quickly the diff between the -next versions and saw changes >>>> coming from signal and userns trees. >>>> ( Sorry for re-attaching the strace outputs. ) >>> >>> It has been about a week and a half since I have pushed anything into >>> the userns tree, and I don't have anything ipc related in my tree. >>> So the reason for the suspicion seems odd. >>> >>> The straces are useless because all they show is that fakeroot was >>> forked, but there is not a trace of fakeroot itself. >>> >>> Given the timing my initial suspect would be the idr_preload patches >>> from Tejun that were merged via Andrew's akpm tree. I didn't see >>> anything in there that would kill ipc but that is likely the most recent >>> touch to the ipc code. >>> >> >> [ CCing Tejun ] >> >> Hmm, still stepping in the dark... >> >> OK, fakeroot does PRELOADing so your assumption makes sense. >> >> How can I trigger fakeroot calls? >> Here I have... >> /usr/bin/faked-sysv >> /usr/bin/faked-tcp >> >> I think that is the main commit but I am not sure if I can revert the >> idr_preload part, otherwise it gets complicated: >> >> commit e2802c2defba1e5c88d7d168eb5c66813c86f249 >> "idr: implement idr_preload[_end]() and idr_alloc()" >> >> $ grep idr ../Linux-Next-v20130206-VS-v20130207.diff | grep ^'++Applying:' >> ++Applying: block: fix ext_devt_idr handling >> ++Applying: idr: fix a subtle bug in idr_get_next() >> ++Applying: nfsd: idr_destroy() no longer needs idr_remove_all() >> ++Applying: idr: cosmetic updates to struct / initializer definitions >> ++Applying: idr: relocate idr_for_each_entry() and reorganize id[r|a]_get_new() >> ++Applying: idr: remove _idr_rc_to_errno() hack >> ++Applying: idr: refactor idr_get_new_above() >> ++Applying: idr: implement idr_preload[_end]() and idr_alloc() >> ++Applying: block: convert to idr_alloc() >> ++Applying: block/loop: convert to idr_alloc() >> ++Applying: atm/nicstar: convert to idr_alloc() >> ++Applying: drbd: convert to idr_alloc() >> ++Applying: dca: convert to idr_alloc() >> ++Applying: dmaengine: convert to idr_alloc() >> ++Applying: firewire: convert to idr_alloc() >> ++Applying: gpio: convert to idr_alloc() >> ++Applying: drm: convert to idr_alloc() >> ++Applying: drm/exynos: convert to idr_alloc() >> ++Applying: drm/i915: convert to idr_alloc() >> ++Applying: drm/sis: convert to idr_alloc() >> ++Applying: drm/via: convert to idr_alloc() >> ++Applying: drm/vmwgfx: convert to idr_alloc() >> ++Applying: i2c: convert to idr_alloc() >> ++Applying: IB/core: convert to idr_alloc() >> ++Applying: IB/amso1100: convert to idr_alloc() >> ++Applying: IB/cxgb3: convert to idr_alloc() >> ++Applying: IB/cxgb4: convert to idr_alloc() >> ++Applying: IB/ehca: convert to idr_alloc() >> ++Applying: IB/ipath: convert to idr_alloc() >> ++Applying: IB/mlx4: convert to idr_alloc() >> ++Applying: IB/ocrdma: convert to idr_alloc() >> ++Applying: IB/qib: convert to idr_alloc() >> ++Applying: dm: convert to idr_alloc() >> ++Applying: memstick: convert to idr_alloc() >> ++Applying: mfd: convert to idr_alloc() >> ++Applying: misc/c2port: convert to idr_alloc() >> ++Applying: misc/tifm_core: convert to idr_alloc() >> ++Applying: mmc: convert to idr_alloc() >> ++Applying: mtd: convert to idr_alloc() >> ++Applying: macvtap: convert to idr_alloc() >> ++Applying: ppp: convert to idr_alloc() >> ++Applying: power: convert to idr_alloc() >> ++Applying: pps: convert to idr_alloc() >> ++Applying: remoteproc: convert to idr_alloc() >> ++Applying: rpmsg: convert to idr_alloc() >> ++Applying: scsi/bfa: convert to idr_alloc() >> ++Applying: scsi: convert to idr_alloc() >> ++Applying: target/iscsi: convert to idr_alloc() >> ++Applying: scsi/lpfc: convert to idr_alloc() >> ++Applying: thermal: convert to idr_alloc() >> ++Applying: uio: convert to idr_alloc() >> ++Applying: vfio: convert to idr_alloc() >> ++Applying: dlm: convert to idr_alloc() >> ++Applying: inotify: convert to idr_alloc() >> ++Applying: ocfs2: convert to idr_alloc() >> ++Applying: ipc: convert to idr_alloc() >> ++Applying: cgroup: convert to idr_alloc() >> ++Applying: events: convert to idr_alloc() >> ++Applying: posix-timers: convert to idr_alloc() >> ++Applying: net/9p: convert to idr_alloc() >> ++Applying: mac80211: convert to idr_alloc() >> ++Applying: sctp: convert to idr_alloc() >> ++Applying: nfs4client: convert to idr_alloc() >> >> - Sedat - >> >> [1] http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=commitdiff;h=e2802c2defba1e5c88d7d168eb5c66813c86f249 >> >>> Eric > > Hi Tejun, > > Eric was right that your idr_preload/idr_alloc patches from mmotm-tree > in Linux-Next (next-20130207) caused that fakeroot crazyness. > > I can't say if the whole series is BORKED or the IPC part. > Changelog in [1] says "compile-tested-only" :-). > > commitdiff aebcb5a5f97e6e567bdd1b2651253de073afa572 > "ipc: convert to idr_alloc()" > This ^^^^^ seems to be the culprit commit! I just reverted this one and I could compile my kernels again with fakeroot! - Sedat - > Reverting the series let me build my kernels with fakeroot! > > Tejun, can you have a look at this? > Thanks! > > Thank you Eric for the hints and sorry for my wrong suspicions. > > Please, have a look at the attachments. > > Regards, > - Sedat - > > [1] http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=commitdiff;h=aebcb5a5f97e6e567bdd1b2651253de073afa572
execve("./scripts/build_linux-next.sh", ["./scripts/build_linux-next.sh"], [/* 48 vars */]) = 0
brk(0) = 0xbd9000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46caedc000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=93838, ...}) = 0
mmap(NULL, 93838, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f46caec5000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\200\30\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1811128, ...}) = 0
mmap(NULL, 3925208, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f46ca8fd000
mprotect(0x7f46caab2000, 2093056, PROT_NONE) = 0
mmap(0x7f46cacb1000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b4000) = 0x7f46cacb1000
mmap(0x7f46cacb7000, 17624, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f46cacb7000
close(3) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46caec4000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46caec3000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46caec2000
arch_prctl(ARCH_SET_FS, 0x7f46caec3700) = 0
mprotect(0x7f46cacb1000, 16384, PROT_READ) = 0
mprotect(0x619000, 4096, PROT_READ) = 0
mprotect(0x7f46caede000, 4096, PROT_READ) = 0
munmap(0x7f46caec5000, 93838) = 0
getpid() = 2332
rt_sigaction(SIGCHLD, {0x40f100, ~[RTMIN RT_1], SA_RESTORER, 0x7f46ca9334a0}, NULL, 8) = 0
geteuid() = 1000
brk(0) = 0xbd9000
brk(0xbfa000) = 0xbfa000
getppid() = 2329
stat("/home/wearefam/src/linux-kernel", {st_mode=S_IFDIR|0775, st_size=12288, ...}) = 0
stat(".", {st_mode=S_IFDIR|0775, st_size=12288, ...}) = 0
open("./scripts/build_linux-next.sh", O_RDONLY) = 3
fcntl(3, F_DUPFD, 10) = 10
close(3) = 0
fcntl(10, F_SETFD, FD_CLOEXEC) = 0
rt_sigaction(SIGINT, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGINT, {0x40f100, ~[RTMIN RT_1], SA_RESTORER, 0x7f46ca9334a0}, NULL, 8) = 0
rt_sigaction(SIGQUIT, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGQUIT, {SIG_DFL, ~[RTMIN RT_1], SA_RESTORER, 0x7f46ca9334a0}, NULL, 8) = 0
rt_sigaction(SIGTERM, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGTERM, {SIG_DFL, ~[RTMIN RT_1], SA_RESTORER, 0x7f46ca9334a0}, NULL, 8) = 0
read(10, "#!/bin/sh\n\n### HELP\n# 1. make de"..., 8192) = 3852
pipe([3, 4]) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f46caec39d0) = 2333
close(4) = 0
read(3, "/home/wearefam/src/linux-kernel\n", 128) = 32
read(3, "", 128) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
rt_sigreturn(0x11) = 0
close(3) = 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 2333
chdir("/home/wearefam/src/linux-kernel/linux-next") = 0
pipe([3, 4]) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f46caec39d0) = 2334
close(4) = 0
read(3, "4\n", 128) = 2
--- SIGCHLD (Child exited) @ 0 (0) ---
rt_sigreturn(0x11) = 2
read(3, "", 128) = 0
close(3) = 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 2334
pipe([3, 4]) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f46caec39d0) = 2335
close(4) = 0
read(3, "3\n", 128) = 2
read(3, "", 128) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
rt_sigreturn(0x11) = 0
close(3) = 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 2335
pipe([3, 4]) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f46caec39d0) = 2336
close(4) = 0
read(3, "8\n", 128) = 2
read(3, "", 128) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
rt_sigreturn(0x11) = 0
close(3) = 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 2336
pipe([3, 4]) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f46caec39d0) = 2337
close(4) = 0
read(3, "0\n", 128) = 2
read(3, "", 128) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
rt_sigreturn(0x11) = 0
close(3) = 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 2337
pipe([3, 4]) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f46caec39d0) = 2338
close(4) = 0
read(3, "-rc6\n", 128) = 5
read(3, "", 128) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
rt_sigreturn(0x11) = 0
close(3) = 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 2338
pipe([3, 4]) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f46caec39d0) = 2339
close(4) = 0
read(3, "next20130207\n", 128) = 13
read(3, "", 128) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
rt_sigreturn(0x11) = 0
close(3) = 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 2339
pipe([3, 4]) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f46caec39d0) = 2344
close(4) = 0
read(3, "3.8.0~rc6\n", 128) = 10
read(3, "", 128) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
rt_sigreturn(0x11) = 0
close(3) = 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 2344
write(1, "make options ...... CC=gcc-4.6 -"..., 116make options ...... CC=gcc-4.6 -j4 KBUILD_BUILD_USER=sedat.dilek@xxxxxxxxx LOCALVERSION=-next20130207-3-iniza-small
) = 116
write(1, "dep-pkg options ... KDEB_PKGVERS"..., 75dep-pkg options ... KDEB_PKGVERSION=3.8.0~rc6~next20130207-3~iniza+dileks1
) = 75
openat(AT_FDCWD, ".", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3
getdents(3, /* 56 entries */, 32768) = 1800
getdents(3, /* 0 entries */, 32768) = 0
close(3) = 0
stat("/opt/llvm/bin/rm", 0x7fff6a90a2c0) = -1 ENOENT (No such file or directory)
stat("/usr/lib/lightdm/lightdm/rm", 0x7fff6a90a2c0) = -1 ENOENT (No such file or directory)
stat("/usr/local/sbin/rm", 0x7fff6a90a2c0) = -1 ENOENT (No such file or directory)
stat("/usr/local/bin/rm", 0x7fff6a90a2c0) = -1 ENOENT (No such file or directory)
stat("/usr/sbin/rm", 0x7fff6a90a2c0) = -1 ENOENT (No such file or directory)
stat("/usr/bin/rm", 0x7fff6a90a2c0) = -1 ENOENT (No such file or directory)
stat("/sbin/rm", 0x7fff6a90a2c0) = -1 ENOENT (No such file or directory)
stat("/bin/rm", {st_mode=S_IFREG|0755, st_size=55888, ...}) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f46caec39d0) = 2347
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 2347
--- SIGCHLD (Child exited) @ 0 (0) ---
rt_sigreturn(0x11) = 2347
stat("/opt/llvm/bin/fakeroot", 0x7fff6a90a320) = -1 ENOENT (No such file or directory)
stat("/usr/lib/lightdm/lightdm/fakeroot", 0x7fff6a90a320) = -1 ENOENT (No such file or directory)
stat("/usr/local/sbin/fakeroot", 0x7fff6a90a320) = -1 ENOENT (No such file or directory)
stat("/usr/local/bin/fakeroot", 0x7fff6a90a320) = -1 ENOENT (No such file or directory)
stat("/usr/sbin/fakeroot", 0x7fff6a90a320) = -1 ENOENT (No such file or directory)
stat("/usr/bin/fakeroot", {st_mode=S_IFREG|0755, st_size=3895, ...}) = 0
pipe([3, 4]) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f46caec39d0) = 2348
close(4) = 0
stat("/opt/llvm/bin/tee", 0x7fff6a90a320) = -1 ENOENT (No such file or directory)
stat("/usr/lib/lightdm/lightdm/tee", 0x7fff6a90a320) = -1 ENOENT (No such file or directory)
stat("/usr/local/sbin/tee", 0x7fff6a90a320) = -1 ENOENT (No such file or directory)
stat("/usr/local/bin/tee", 0x7fff6a90a320) = -1 ENOENT (No such file or directory)
stat("/usr/sbin/tee", 0x7fff6a90a320) = -1 ENOENT (No such file or directory)
stat("/usr/bin/tee", {st_mode=S_IFREG|0755, st_size=27072, ...}) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f46caec39d0) = 2349
close(3) = 0
close(4294967295) = -1 EBADF (Bad file descriptor)
wait4(-1, make KBUILD_SRC=
make[3]: Nothing to be done for `all'.
CHK include/generated/uapi/linux/version.h
CHK include/generated/utsrelease.h
CC scripts/mod/devicetable-offsets.s
GEN scripts/mod/devicetable-offsets.h
HOSTCC scripts/mod/file2alias.o
HOSTLD scripts/mod/modpost
make[3]: Nothing to be done for `relocs'.
CALL scripts/checksyscalls.sh
Attachment:
3.8.0-rc6-next20130207-3-iniza-small.patch
Description: Binary data
