Subject: [Bug 213837] "Kernel panic - not syncing: corrupted stack end detected inside scheduler" at building via distcc on a G5

From: [email-masked]
Date: Sun, 05 Sep 2021 14:11:17 +0000

https://bugzilla.kernel.org/show_bug.cgi?id=213837

Erhard F. ([email-masked]) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|https://bugzilla.kernel.org |
                   |/show_bug.cgi?id=213079     |

--- Comment #4 from Erhard F. ([email-masked]) ---
Checked out whether this has really something to do with bug #213079 or not by
copying this root partition to a regular HDD and use that one instead. As the
issue still happens it seems these are two seperate bugs.

[...]
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 1 PID: 1509 Comm: powerpc64-unkno Tainted: G        W        
5.14.1-PowerMacG5+ #2
Call Trace:
[c0000000386434c0] [c00000000054cd64] .dump_stack_lvl+0x98/0xe0 (unreliable)
[c000000038643550] [c000000000068ab8] .panic+0x160/0x40c
[c000000038643600] [c00000000081202c] .__schedule+0x7c/0x840
[c0000000386436d0] [c00000000081293c] .preempt_schedule_common+0x28/0x48
[c000000038643750] [c00000000081298c] .__cond_resched+0x30/0x4c
[c0000000386437d0] [c0000000004edf18] .copy_page_to_iter+0xbc/0x32c
[c0000000386438a0] [c0000000001c99d8] .filemap_read+0x574/0x618
[c000000038643a60] [c00000000033182c] .ext4_file_read_iter+0xb8/0x11c
[c000000038643b00] [c000000000272f1c] .new_sync_read+0x94/0xe0
[c000000038643c00] [c0000000002746c0] .vfs_read+0x128/0x12c
[c000000038643ca0] [c000000000274a58] .ksys_read+0x78/0xc4
[c000000038643d60] [c000000000022808] .system_call_exception+0x1a4/0x1dc
[c000000038643e10] [c00000000000b4cc] system_call_common+0xec/0x250
--- interrupt: c00 at 0x3fffbc477cd0
NIP:  00003fffbc477cd0 LR: 000000011c413660 CTR: 0000000000000000
REGS: c000000038643e80 TRAP: 0c00   Tainted: G        W         
(5.14.1-PowerMacG5+)
MSR:  900000000200f032 <SF,HV,VEC,EE,PR,FP,ME,IR,DR,RI>  CR: 24000422  XER:
00000000
IRQMASK: 0 
GPR00: 0000000000000003 00003fffd3c43d70 00003fffbc4a4f00 0000000000000004 
GPR04: 00003fffbbfac010 00000000001e7697 00003fffbc458320 0000000000000000 
GPR08: 00003fffbc4582e0 0000000000000000 0000000000000000 0000000000000000 
GPR12: 0000000000000000 00003fffbc54ec20 00000001470b79c0 0000000157c21760 
GPR16: 000000011c41ec38 00003fffd3c44258 000000011c41eb28 00003fffd3c440a8 
GPR20: 00003fffd3c44460 ffffffffffffffff 00000001470b6dd0 0000000000000000 
GPR24: 00000001470b77f0 00000001470b7d30 0000000000000005 00003fffd3c43fc0 
GPR28: 000000011c4668e8 0000000000000004 00003fffbbfac010 00000000001e7697 
NIP [00003fffbc477cd0] 0x3fffbc477cd0
LR [000000011c413660] 0x11c413660
--- interrupt: c00
Rebooting in 40 seconds..

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