kernel problem 12.4

Hello dear list,

I have a strange problem with an old 32 bit LFS system which I'm still 
using as a pet project ...

I used 12.0 on the machine to compile 12.4-r49 to a pristine partition 
(kernel 6.17) which went fine. Took overnight with jhalfs ... I then 
took a precompiled kernel 6.17.9 (cross-compile on my faster i7) and 
installed it.

When I tried to boot it had some SEGV problems (I think) but booted 
through all the init scripts to the login prompt. I could not enter a 
username, and the last errormessage I could read was about not being 
able to mount /boot/efi (vfat).

The kern.log lets me think it has a general problem loading modules, and 
vfat is the only module for filesystems, everything else is compiled 
into the kernel. Modules are compressed .gz files.

Strange thing is: the same kernel with its modules runs fine on the 
older 12.0 partition without any problems, does load all the modules, 
mounts /boot/efi and works fine. I do the 32-bit kernel cross-compile 
for years now and have not had problems with that.

Here's the relevant part from kern.log; maybe someone has an idea what's 
going wrong?

Dec  9 19:06:41 buero kernel: clocksource: tsc: mask: 0xffffffffffffffff 
max_cycles: 0x2e02c398820, max_idle_ns: 440795273435 ns
Dec  9 19:06:41 buero kernel: clocksource: Switched to clocksource tsc
Dec  9 19:06:42 buero kernel: random: crng init done
Dec  9 19:06:43 buero kernel: ------------[ cut here ]------------
Dec  9 19:06:43 buero kernel: WARNING: CPU: 0 PID: 925 at 
mm/highmem.c:622 kunmap_local_indexed+0xd8/0xf0
Dec  9 19:06:43 buero kernel: Modules linked in:
Dec  9 19:06:43 buero kernel: CPU: 0 UID: 0 PID: 925 Comm: (udev-worker) 
Not tainted 6.12.61 #1
Dec  9 19:06:43 buero kernel: Hardware name: Hewlett-Packard HP Compaq 
dc7600 Small Form Factor/09F8h, BIOS 786D1 v01.61 07/01/2009
Dec  9 19:06:43 buero kernel: EIP: kunmap_local_indexed+0xd8/0xf0
Dec  9 19:06:43 buero kernel: Code: ec ff 64 a1 84 a1 cd c1 85 c0 74 26 
e8 81 ea ec ff 5b 5e 5f 5d c3 8d 74 26 00 0f 0b e9 62 ff ff ff 90 0f 0b 
90 2e 8d 74 26 00 <0f> 0b eb 9a 8d 74 26 00 e8 cb 7a 65 00 eb d3 90 2e 
8d b4 26 00 00
Dec  9 19:06:43 buero kernel: EAX: 00000001 EBX: fffba000 ECX: 00046000 
EDX: fffb9000
Dec  9 19:06:43 buero kernel: ESI: c2b58000 EDI: 00000001 EBP: c2ae9e60 
ESP: c2ae9e54
Dec  9 19:06:43 buero kernel: DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 
0068 EFLAGS: 00010206
Dec  9 19:06:43 buero kernel: CR0: 80050033 CR2: 02082a1c CR3: 02e2d000 
CR4: 000006d0
Dec  9 19:06:43 buero kernel: Call Trace:
Dec  9 19:06:43 buero kernel:  module_decompress+0x12e/0x230
Dec  9 19:06:43 buero kernel:  init_module_from_file+0x92/0xb0
Dec  9 19:06:43 buero kernel:  __ia32_sys_finit_module+0x115/0x2c0
Dec  9 19:06:43 buero kernel:  ia32_sys_call+0x1814/0x1e30
Dec  9 19:06:43 buero kernel:  __do_fast_syscall_32+0x50/0xd0
Dec  9 19:06:43 buero kernel:  do_fast_syscall_32+0x29/0x60
Dec  9 19:06:43 buero kernel:  do_SYSENTER_32+0x15/0x20
Dec  9 19:06:43 buero kernel:  entry_SYSENTER_32+0x98/0xf9
Dec  9 19:06:43 buero kernel: EIP: 0xb7f52579
Dec  9 19:06:43 buero kernel: Code: b8 01 10 06 03 74 b4 01 10 07 03 74 
b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 
89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 
cd 80 90 8d 76
Dec  9 19:06:43 buero kernel: EAX: ffffffda EBX: 0000002b ECX: b687944f 
EDX: 00000004
Dec  9 19:06:43 buero kernel: ESI: 0190ff50 EDI: 01910510 EBP: 00000000 
ESP: bfed78fc
Dec  9 19:06:43 buero kernel: DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 
007b EFLAGS: 00000292
Dec  9 19:06:43 buero kernel: ---[ end trace 0000000000000000 ]---
Dec  9 19:06:43 buero kernel: ------------[ cut here ]------------
Dec  9 19:06:43 buero kernel: DEBUG_LOCKS_WARN_ON(current->kmap_ctrl.idx)
Dec  9 19:06:43 buero kernel: WARNING: CPU: 0 PID: 925 at 
include/linux/highmem-internal.h:17 syscall_exit_to_user_mode+0xfa/0x120
Dec  9 19:06:43 buero kernel: Modules linked in: usb_common
Dec  9 19:06:43 buero kernel: CPU: 0 UID: 0 PID: 925 Comm: (udev-worker) 
Tainted: G        W          6.12.61 #1
Dec  9 19:06:43 buero kernel: Tainted: [W]=WARN
Dec  9 19:06:43 buero kernel: Hardware name: Hewlett-Packard HP Compaq 
dc7600 Small Form Factor/09F8h, BIOS 786D1 v01.61 07/01/2009
Dec  9 19:06:43 buero kernel: EIP: syscall_exit_to_user_mode+0xfa/0x120
Dec  9 19:06:43 buero kernel: Code: e8 4b 9e b9 ff 85 c0 0f 84 6f ff ff 
ff 8b 0d e0 58 c0 c1 85 c9 0f 85 61 ff ff ff 68 2e 11 9b c1 68 86 9e 9a 
c1 e8 36 ef 84 ff <0f> 0b 58 5a e9 49 ff ff ff 2e 8d 74 26 00 e8 a3 37 
8d ff e9 0b ff
Dec  9 19:06:43 buero kernel: EAX: 0000002b EBX: 00000001 ECX: 00000002 
EDX: 00000000
Dec  9 19:06:43 buero kernel: ESI: 00000000 EDI: 01910510 EBP: c2ae9f84 
ESP: c2ae9f70
Dec  9 19:06:43 buero kernel: DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 
0068 EFLAGS: 00010086
Dec  9 19:06:43 buero kernel: CR0: 80050033 CR2: 02082a1c CR3: 02e2d000 
CR4: 000006d0
Dec  9 19:06:43 buero kernel: Call Trace:
Dec  9 19:06:43 buero kernel:  __do_fast_syscall_32+0x5a/0xd0
Dec  9 19:06:43 buero kernel:  do_fast_syscall_32+0x29/0x60
Dec  9 19:06:43 buero kernel:  do_SYSENTER_32+0x15/0x20
Dec  9 19:06:43 buero kernel:  entry_SYSENTER_32+0x98/0xf9
Dec  9 19:06:43 buero kernel: EIP: 0xb7f52579
Dec  9 19:06:43 buero kernel: Code: b8 01 10 06 03 74 b4 01 10 07 03 74 
b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 
89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 
cd 80 90 8d 76
Dec  9 19:06:43 buero kernel: EAX: 00000000 EBX: 0000002b ECX: b687944f 
EDX: 00000004
Dec  9 19:06:43 buero kernel: ESI: 0190ff50 EDI: 01910510 EBP: 00000000 
ESP: bfed78fc
Dec  9 19:06:43 buero kernel: DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 
007b EFLAGS: 00000292
Dec  9 19:06:43 buero kernel: ---[ end trace 0000000000000000 ]---
Dec  9 19:06:43 buero kernel: Invalid ELF section hdr(type 3951375263)
Dec  9 19:06:43 buero last message buffered 1 times
Dec  9 19:06:43 buero kernel: ELF Spec violation: section name table 
isn't null terminated
Dec  9 19:06:43 buero kernel: Invalid ELF header magic: != \x7fELF
Dec  9 19:06:43 buero kernel: Invalid ELF section hdr(type 818574085)
Dec  9 19:06:43 buero kernel: ------------[ cut here ]------------
Dec  9 19:06:43 buero kernel: WARNING: CPU: 0 PID: 925 at 
mm/highmem.c:713 kmap_local_fork+0x14/0x50
Dec  9 19:06:43 buero kernel: Modules linked in: wmi usb_common
Dec  9 19:06:43 buero kernel: CPU: 0 UID: 0 PID: 925 Comm: (udev-worker) 
Tainted: G        W          6.12.61 #1
Dec  9 19:06:43 buero kernel: Tainted: [W]=WARN
Dec  9 19:06:43 buero kernel: Hardware name: Hewlett-Packard HP Compaq 
dc7600 Small Form Factor/09F8h, BIOS 786D1 v01.61 07/01/2009
Dec  9 19:06:43 buero kernel: EIP: kmap_local_fork+0x14/0x50
Dec  9 19:06:43 buero kernel: Code: 5d c3 8d 74 26 00 0f 0b eb e8 8d 74 
26 00 2e 8d b4 26 00 00 00 00 8b 90 14 08 00 00 85 d2 75 06 c3 2e 8d 74 
26 00 55 89 e5 57 <0f> 0b 8d 90 18 08 00 00 8d 88 14 08 00 00 c7 80 14 
08 00 00 00 00
Dec  9 19:06:43 buero kernel: EAX: c2382400 EBX: c2382400 ECX: ffffffff 
EDX: 00000001
Dec  9 19:06:43 buero kernel: ESI: 00000000 EDI: c2382400 EBP: c2ae9e20 
ESP: c2ae9e1c
Dec  9 19:06:43 buero kernel: DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 
0068 EFLAGS: 00010202
Dec  9 19:06:43 buero kernel: CR0: 80050033 CR2: 0191943c CR3: 02e2d000 
CR4: 000006d0
Dec  9 19:06:43 buero kernel: Call Trace:
Dec  9 19:06:43 buero kernel:  copy_process+0x2b2/0x1f90
Dec  9 19:06:43 buero kernel:  ? path_init+0x3ca/0x3f0
Dec  9 19:06:43 buero kernel:  ? walk_component+0xb3/0x150
Dec  9 19:06:43 buero kernel:  ? terminate_walk+0x67/0x120
Dec  9 19:06:43 buero kernel:  ? path_lookupat+0xb2/0x150
Dec  9 19:06:43 buero kernel:  kernel_clone+0xa2/0x3d0
Dec  9 19:06:43 buero kernel:  ? kmem_cache_alloc_noprof+0x1a5/0x1f0
Dec  9 19:06:43 buero kernel:  ? getname_flags.part.0+0x1c/0x180
Dec  9 19:06:43 buero kernel:  ? putname+0x4f/0x60
Dec  9 19:06:43 buero kernel:  ? mntput_no_expire+0x35/0x210
Dec  9 19:06:43 buero kernel:  __ia32_sys_clone+0x65/0x80
Dec  9 19:06:43 buero kernel:  ia32_sys_call+0x18fb/0x1e30
Dec  9 19:06:43 buero kernel:  __do_fast_syscall_32+0x50/0xd0
Dec  9 19:06:43 buero kernel:  do_fast_syscall_32+0x29/0x60
Dec  9 19:06:43 buero kernel:  do_SYSENTER_32+0x15/0x20
Dec  9 19:06:43 buero kernel:  entry_SYSENTER_32+0x98/0xf9
Dec  9 19:06:43 buero kernel: EIP: 0xb7f52579
Dec  9 19:06:43 buero kernel: Code: b8 01 10 06 03 74 b4 01 10 07 03 74 
b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 
89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 
cd 80 90 8d 76
Dec  9 19:06:43 buero kernel: EAX: ffffffda EBX: 01200011 ECX: 00000000 
EDX: 00000000
Dec  9 19:06:43 buero kernel: ESI: 00000000 EDI: b7522868 EBP: bfed76b4 
ESP: bfed7680
Dec  9 19:06:43 buero kernel: DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 
007b EFLAGS: 00000282
Dec  9 19:06:43 buero kernel: ---[ end trace 0000000000000000 ]---
Dec  9 19:06:43 buero kernel: Invalid ELF header magic: != \x7fELF
Dec  9 19:06:43 buero kernel: Invalid ELF section hdr(type 3153546210)
Dec  9 19:06:43 buero kernel: Invalid ELF header magic: != \x7fELF
Dec  9 19:06:43 buero last message buffered 1 times
Dec  9 19:06:46 buero kernel: Adding 3999740k swap on /dev/sda3. 
Priority:1 extents:1 across:3999740k
Dec  9 19:06:46 buero kernel: EXT4-fs (sda6): re-mounted 
ddcc85dd-6fa9-413c-af1c-6151e0244138.
Dec  9 19:06:46 buero kernel: EXT4-fs (sda6): re-mounted 
ddcc85dd-6fa9-413c-af1c-6151e0244138 r/w.
Dec  9 19:06:46 buero kernel: EXT4-fs (sda8): mounted filesystem 
cf42ca86-596a-47d7-8bc7-3bea49b8c22c r/w with ordered data mode. Quota 
mode: none.
Dec  9 19:06:47 buero kernel: EXT4-fs (sda7): mounted filesystem 
37b9c980-3ce9-42b5-8e02-98c239983269 r/w with ordered data mode. Quota 
mode: none.
Dec  9 19:06:51 buero kernel: (udev-worker) (913) used greatest stack 
depth: 5812 bytes left
Dec  9 19:06:51 buero kernel: (udev-worker) (915) used greatest stack 
depth: 5676 bytes left

Stay healthy,
Thomas
-- Do you wanna be a legend or a passing footprint on the sands of time?

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