Public bug reported:
Hello,
Not long ago, I installed Ubuntu 20.04 and isc-dhcpd-4.4.1. Right after
that isc-dhcp started hanging with no respondes to DHCPDISCOVERs. Then I
updated Ubuntu to 21.10 but the issue wasn't resolved. It happens once a
1-2 days or so.
Also there isn't any logs or CPU/Memory utilisation.
tcpdump shows requests from client.
Only restarting dhcp helps.
strace output:
futex(0x7f0a1bf870d0, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, NULL,
FUTEX_BITSET_MATCH_ANY) = ?
** Affects: isc-dhcp (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
Hello,
Not long ago, I installed Ubuntu 20.04 and isc-dhcpd-4.4.1. Right after
that isc-dhcp started hanging with no respondes to DHCPDISCOVERs. Then I
- updated Ubuntu to 21.10 but the issue wasn't resolved.
+ updated Ubuntu to 21.10 but the issue wasn't resolved. It happens once a
+ 1-2 days or so.
Also there isn't any logs or CPU/Memory utilisation.
tcpdump shows requests from client.
Only restarting dhcp helps.
- strace output:
+ strace output:
futex(0x7f0a1bf870d0, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0,
NULL, FUTEX_BITSET_MATCH_ANY) = ?
** Description changed:
Hello,
Not long ago, I installed Ubuntu 20.04 and isc-dhcpd-4.4.1. Right after
that isc-dhcp started hanging with no respondes to DHCPDISCOVERs. Then I
- updated Ubuntu to 21.10 but the issue wasn't resolved. It happens once a
- 1-2 days or so.
+ updated Ubuntu to 21.10 but the issue wasn't resolved. It happens once
+ at 1-2 days or so.
Also there isn't any logs or CPU/Memory utilisation.
tcpdump shows requests from client.
Only restarting dhcp helps.
strace output:
futex(0x7f0a1bf870d0, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0,
NULL, FUTEX_BITSET_MATCH_ANY) = ?
** Description changed:
Hello,
Not long ago, I installed Ubuntu 20.04 and isc-dhcpd-4.4.1. Right after
that isc-dhcp started hanging with no respondes to DHCPDISCOVERs. Then I
- updated Ubuntu to 21.10 but the issue wasn't resolved. It happens once
- at 1-2 days or so.
+ updated Ubuntu to 21.10 but the issue wasn't resolved. It happens once a
+ 1-2 days or so.
Also there isn't any logs or CPU/Memory utilisation.
tcpdump shows requests from client.
Only restarting dhcp helps.
strace output:
futex(0x7f0a1bf870d0, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0,
NULL, FUTEX_BITSET_MATCH_ANY) = ?
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https://bugs.launchpad.net/bugs/1960617
Title:
isc-dhcpd-4.4.1 hangs
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