Public bug reported:
Hi, when I issue a brctl setportprio command specifying priorities
highen than 63 the command fails silently, thus the priority of the port
is not changed:
brctl setportprio BRVAL VALSEV 32768
it gives no output and the priority is not changed. If we analyze the
command using strace:
strace brctl setportprio BRVAL VALSEV 32768
execve(/usr/sbin/brctl, [brctl, setportprio, BRVAL, VALSEV, 32768],
[/* 17 vars */]) = 0
brk(0) = 0xac6000
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) =
0x7fe953afb000
access(/etc/ld.so.preload, R_OK) = -1 ENOENT (No such file or directory)
open(/etc/ld.so.cache, O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=17295, ...}) = 0
mmap(NULL, 17295, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fe953af6000
close(3)= 0
access(/etc/ld.so.nohwcap, F_OK) = -1 ENOENT (No such file or directory)
open(/lib/libc.so.6, O_RDONLY)= 3
read(3, \177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\0\1\0\0\0`\355\1\0\0\0\0\0...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1572232, ...}) = 0
mmap(NULL, 3680296, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7fe95355b000
mprotect(0x7fe9536d5000, 2093056, PROT_NONE) = 0
mmap(0x7fe9538d4000, 20480, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x179000) = 0x7fe9538d4000
mmap(0x7fe9538d9000, 18472, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fe9538d9000
close(3)= 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fe953af5000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fe953af4000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fe953af3000
arch_prctl(ARCH_SET_FS, 0x7fe953af4700) = 0
mprotect(0x7fe9538d4000, 16384, PROT_READ) = 0
mprotect(0x606000, 4096, PROT_READ) = 0
mprotect(0x7fe953afd000, 4096, PROT_READ) = 0
munmap(0x7fe953af6000, 17295) = 0
socket(PF_FILE, SOCK_STREAM, 0) = 3
brk(0) = 0xac6000
brk(0xae7000) = 0xae7000
open(/sys/class/net/VALSEV/brport/priority, O_WRONLY|O_CREAT|O_TRUNC, 0666) =
4
fstat(4, {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fe953afa000
write(4, 32768\n, 6) = -1 ERANGE (Numerical result out of
range)
close(4)= 0
munmap(0x7fe953afa000, 4096)= 0
exit_group(0) = ?
The release is Ubuntu 10.04 LTS and bridge-utils is 1.4-5ubuntu2.
Regards.
Eduardo
** Affects: bridge-utils (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/988374
Title:
brctl setportprio fails silently
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