Re: port-macppc/58283: NetBSD/macppc 10.0 reproducible kernel PGM trappanic

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

The following reply was made to PR port-macppc/58283; it has been noted by GNATS.

From: Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: tsutsui%ceres.dti.ne.jp@localhost
Subject: Re: port-macppc/58283: NetBSD/macppc 10.0 reproducible kernel PGM trappanic
Date: Sun, 26 May 2024 12:29:36 +0900

 > naru@ said this problem was already reported as PR/57394
 >  https://gnats.netbsd.org/57394
 > 
 > It was fixed in HEAD but not pulled up to netbsd-10
 > (and 10.0 release).
 
 Even with this cpu fix, the kernel PGM trap (on exec tcsh) still occurs.
 
 ---
 [  80.8829533] trap: pid 2174.2174 (tcsh): kernel PGM trap @ 0x12cbcc (SRR1=0x89032)
 [  80.8829533] panic: trap
 [  80.8829533] cpu0: Begin traceback...
 [  80.8829533] 0x00c44e80: at vpanic+0x158
 [  80.8829533] 0x00c44eb0: at panic+0x50
 [  80.8829533] 0x00c44ef0: at trap+0x3a8
 [  80.8829533] 0x00c44fa0: kernel PGM trap by vec_state_release+0: srr1=0x89032
 [  80.8829533]             r1=0x16f4990 cr=0x44242484 xer=0 ctr=0x12cbcc
 [  80.8829533] 0x016f4990: at l3cr_config+0x34
 [  80.8829533] 0x016f49b0: at mi_switch+0x178
 ---
 
 l3cr_config may be NULL on 603ev per powerpc/oea/cpu_subr.c,
 so there are some NULL pointer deference?
 
 ---
 Izumi Tsutsui