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Segmentation fault on startup #3441

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mc-butler opened this issue Apr 9, 2015 · 10 comments
Closed

Segmentation fault on startup #3441

mc-butler opened this issue Apr 9, 2015 · 10 comments
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@aborodin
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area: core Issues not related to a specific subsystem prio: high Serious problem that could block progress ver: 4.8.14 Reproducible in version 4.8.14
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4.8.15

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@mc-butler
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Important

This issue was migrated from Trac:

Origin https://midnight-commander.org/ticket/3441
Reporter asy (a_s_y@….ru)

Version: 4.8.14-alt0.M60P.2
System: Alt Linux p6 brunch, x86_64
Possible it is a hardware specific error: mc works fine on some other systems with equivalent software installation.

strace output with debuginfo:

open("/usr/share/mc/hints/mc.hint.C", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/mc/hints/mc.hint.C", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/mc/hints/mc.hint", O_RDONLY) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=3023, ...}) = 0
read(4, "Hint: Use C-x t to copy tagged f"..., 3023) = 3023
close(4)                                = 0
write(1, "\33[41;1H\33(B\33[m\33(B\33[39m\33[49mHint: "..., 103) = 103
stat("/proc/self/mountinfo", {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
open("/proc/self/mountinfo", O_RDONLY)  = 4
fstat(4, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f14d0681000
read(4, "19 1 8:3 / / rw,relatime - ext3 "..., 1024) = 1024
read(4, "dev/sda8 rw,errors=continue,barr"..., 1024) = 51
read(4, "", 1024)                       = 0
close(4)                                = 0
munmap(0x7f14d0681000, 4096)            = 0
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0} ---
+++ killed by SIGSEGV +++
Segmentation fault

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Changed by asy (a_s_y@….ru) on Apr 9, 2015 at 8:14 UTC (comment 1)

  • Version changed from master to 4.8.14

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Changed by asy (a_s_y@….ru) on Apr 9, 2015 at 9:48 UTC

core dump, x86_64 system

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Changed by asy (a_s_y@….ru) on Apr 10, 2015 at 7:53 UTC (comment 2)

This is a kernel specific. MC's code for /proc/self/mountinfo does not works with some kernels of p6.
kernel-image-el-smp-2.6.32-alt31 - fail
kernel-image-ovz-el-2.6.32-alt88.M60P.1 - works

So, mc should be build without /proc/self/mountinfo support. Not a bug for mc.

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Changed by andrew_b (@aborodin) on Apr 11, 2015 at 8:25 UTC (comment 3)

  • Description edited

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Changed by andrew_b (@aborodin) on Apr 11, 2015 at 9:18 UTC

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Changed by andrew_b (@aborodin) on Apr 11, 2015 at 9:18 UTC (comment 4)

Please try the attached 0001-Ticket-3441-fix-Linux-kernel-specific-segfault-on-st.patch​.

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Changed by asy (a_s_y@….ru) on Apr 26, 2015 at 17:00 UTC (comment 5)

mc with patch starts successfully with 2.6.32-el-smp-alt24(i586), thanks.

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Changed by andrew_b (@aborodin) on May 3, 2015 at 15:48 UTC (comment 6)

  • Milestone changed from Future Releases to 4.8.15
  • Branch state changed from no branch to approved
  • Status changed from new to accepted
  • Owner set to andrew_b

Branch: 3441_startup_segfault
[5ceb5e2]

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Changed by andrew_b (@aborodin) on May 3, 2015 at 15:49 UTC (comment 7)

  • Votes set to committed-master
  • Resolution set to fixed
  • Status changed from accepted to testing

Merged to master: [5ceb5e2].

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Changed by andrew_b (@aborodin) on May 3, 2015 at 15:50 UTC (comment 8)

  • Status changed from testing to closed

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@aborodin aborodin

Labels
area: core Issues not related to a specific subsystem prio: high Serious problem that could block progress ver: 4.8.14 Reproducible in version 4.8.14
Milestone
4.8.15
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