Hi folks,
I often build Debian packages inside a chroot. Today I discovered a
failure during an "aptitude update", which is a command to download new
package lists for the package management. In strace, the lines around
the failure look like this:
99% [Working]) = 14 14
[pid 5986] select(6, [3 4 5], [], NULL, {0, 500000}) = 0 (Timeout)
[pid 5986] gettimeofday({1197576353, 670510}, NULL) = 0
[pid 5986] rt_sigprocmask(SIG_BLOCK, [WINCH], [], 8) = 0
[pid 5986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
99% [Working]) = 14 14
[pid 5986] select(6, [3 4 5], [], NULL, {0, 500000}) = 0 (Timeout)
[pid 5986] gettimeofday({1197576354, 173902}, NULL) = 0
[pid 5986] rt_sigprocmask(SIG_BLOCK, [WINCH], [], 8) = 0
[pid 5986] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
99% [Working]) = 14 14
[pid 5986] select(6, [3 4 5], [], NULL, {0, 500000} <unfinished ...>
[pid 5988] <... select resumed> ) = 1 (in [3], left {105, 0})
[pid 5988] read(3, "", 56559) = 0
[pid 5988] fcntl64(-1, F_GETFL) = -1 EBADF (Bad file
descriptor)
[pid 5988] fcntl64(-1, F_SETFL,
O_ACCMODE|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_ASYNC|O_DIRECT|O_LARGEFILE|O_DIRECTORY|O_NOFOLLOW|O_NOATIME|0xfff8003c)
= -1 EBADF (Bad file descriptor)
[pid 5988] write(2, ""..., 41FATAL -> Could not set non-blocking flag
) = 41
[pid 5988] write(2, ""..., 19Bad file descriptor) = 19
[pid 5988] write(2, ""..., 1
) = 1
[pid 5988] exit_group(100) = ?
Process 5988 detached
This happened with a kernel after 2.6.24-rc5
(4af75653031c6d454b4ace47c1536f0d2e727e3e). I rebooted into 2.6.23.8
and it worked. Now I rebooted into 2.6.24-rc5 again and was able to
reproduce the failure, so it looks like a kernel issue to me.
Regards,
Tino
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