Re: port-sparc64/59404: panic in admtemp_refresh during sysinst on sun blade 150

["nia via gnats" <gnats-admin%NetBSD.org@localhost>]

The following reply was made to PR port-sparc64/59404; it has been noted by GNATS.

From: nia <nia%NetBSD.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: port-sparc64/59404: panic in admtemp_refresh during sysinst on
 sun blade 150
Date: Thu, 8 May 2025 20:45:24 +0000

 The panic seems to be related to iic in general.
 
 After disabling the relevant driver, I got the following early
 in boot:
 
 [   1.0000000] data fault: pc=11402a0 addr=fff458b9 sfsr=0x800009<ASI=0x80,W>
 [   1.0000000] kernel trap 32: data access error
 Stopped in pid 0.0 (system) at  netbsd:alipm_smb_exec+0x160:    andcc           
 %g1, 0xe4, %g0
 db{0}> bt  
 iic_exec(101bd5f60, 1, 52, 20048bf, 1, 10229c3c8) at netbsd:iic_exec+0x19c
 spdmem_i2c_read(10229c3c0, 0, 10229c3c8, 0, 1c9a800, 0) at netbsd:spdmem_i2c_rea
 d+0x44
 spdmem_common_attach(10229c3c0, 10229c6c0, 10229c3c8, 1a0bc60, 101beb2c4, 101bd9
 930) at netbsd:spdmem_common_attach+0x18
 config_attach_internal(10229c6c0, 1, 2004ca0, 0, 19f7838, 1cc4c00) at netbsd:con
 fig_attach_internal+0x20c
 config_found(1c66d58, 2004ca0, 13fb4a0, 2004c68, 0, 101beb280) at netbsd:config_
 found+0xf0
 iic_attach(19cdb58, 101beb280, 5, 102216000, 101be3d20, 3) at netbsd:iic_attach+
 0x3c0
 config_attach_internal(101beb280, 1, 2004f40, 0, 1993748, 1cc4c00) at netbsd:con
 fig_attach_internal+0x20c
 config_found(1c66de8, 2004f40, 13fcbc0, 0, 101bd5f50, 101beaf80) at netbsd:confi
 g_found+0xf0
 alipm_attach(101bb0f40, 101beaf80, 2005240, 1a0bc60, 101bd5f60, 101bd5f40) at ne
 tbsd:alipm_attach+0x138
 
 Disabling iic with userconf allowed installation to complete.