WARNING: at net/ipv4/tcp_timer.c:453 tcp_retransmit_timer
Issue
- I can see that we were working with a NULL value in GPR30 (coming from GPR04) when we panicked at include/linux/skbuff.h: 1140. Those registers were being manipulated in
__tcp_retransmit_skb at net/ipv4/tcp_output.c: 2876. - WARNING: CPU: 84 PID: 1470539 at net/ipv4/tcp_timer.c:453 tcp_retransmit_timer+0x220/0xd30, followed by an outage and reboot.
Environment
- Red Hat Enterprise Linux
- 4.18.0-193.60.2.el8_2.ppc64le
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.
