On Tue, Mar 04, 2025 at 01:04:49PM +0100, Borislav Petkov wrote:
> @@ -55,9 +82,9 @@ static inline void __invlpgb(unsigned long asid, unsigned long pcid,
> unsigned long addr, u16 nr_pages,
> enum addr_stride stride, u8 flags)
> {
> - u32 edx = (pcid << 16) | asid;
> + u64 rax = addr | flags | INVLPGB_FLAG_ASID;
So I did it this way instead of how you sent it to me privately and I think
doing it this way is equivalent.
However, my Zen3 doesn't like it somehow.
If I zap your patch, it boots fine.
So we need to stare at this some more first...
Thx.
[ 13.834550] (sd-mkdcre[570]: Changing mount flags /dev/shm (MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_NOSYMFOLLOW|MS_BIND "")...
[ 13.834605] (sd-mkdcre[570]: Moving mount /dev/shm → /run/credentials/systemd-tmpfiles-setup-dev-early.service (MS_MOVE "")...
[ 13.835200] EXT4-fs (sda3): re-mounted 69500787-6b3d-4b03-96d6-6bb20668e924 r/w. Quota mode: none.
[ 13.867434] (journald)[561]: systemd-journald.service: Enabled MemoryDenyWriteExecute= with PR_SET_MDWE
[ 13.868764] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 8-.... } 8 jiffies s: 129 root: 0x1/.
[ 13.868779] rcu: blocking rcu_node structures (internal RCU debug): l=1:0-15:0x100/.
[ 13.868789] Sending NMI from CPU 19 to CPUs 8:
[ 13.868797] NMI backtrace for cpu 8
[ 13.868799] CPU: 8 UID: 0 PID: 566 Comm: mount Not tainted 6.14.0-rc3+ #1
[ 13.868802] Hardware name: Supermicro Super Server/H12SSL-i, BIOS 2.5 09/08/2022
[ 13.868804] RIP: 0010:delay_halt_mwaitx+0x38/0x40
[ 13.868809] Code: 31 d2 48 89 d1 48 05 00 60 00 00 0f 01 fa b8 ff ff ff ff b9 02 00 00 00 48 39 c6 48 0f 46 c6 48 89 c3 b8 f0 00 00 00 0f 01 fb <5b> e9 cd ea 23 ff 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[ 13.868810] RSP: 0018:ffffc90003b67ae0 EFLAGS: 00000097
[ 13.868813] RAX: 00000000000000f0 RBX: 0000000000000b9b RCX: 0000000000000002
[ 13.868814] RDX: 0000000000000000 RSI: 0000000000000b9b RDI: 00000036410a0588
[ 13.868816] RBP: 00000036410a0588 R08: 000000000000005b R09: 0000000000000006
[ 13.868817] R10: 0000000000000000 R11: 0000000000000006 R12: 0000000000000020
[ 13.868818] R13: ffffffff83fb5900 R14: 0000000000000000 R15: 0000000000000001
[ 13.868819] FS: 00007f04ffb9c800(0000) GS:ffff889002e00000(0000) knlGS:0000000000000000
[ 13.868821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 13.868822] CR2: 00007f92418c8350 CR3: 000000012bbe4004 CR4: 0000000000770ef0
[ 13.868823] PKRU: 55555554
[ 13.868824] Call Trace:
[ 13.868826] <NMI>
[ 13.868828] ? nmi_cpu_backtrace.cold+0x16/0x6b
[ 13.868832] ? nmi_cpu_backtrace_handler+0xd/0x20
[ 13.868835] ? nmi_handle+0xcd/0x240
[ 13.868838] ? delay_halt_mwaitx+0x38/0x40
[ 13.868841] ? default_do_nmi+0x6b/0x180
[ 13.868844] ? exc_nmi+0x12e/0x1c0
[ 13.868847] ? end_repeat_nmi+0xf/0x53
[ 13.868854] ? delay_halt_mwaitx+0x38/0x40
[ 13.868857] ? delay_halt_mwaitx+0x38/0x40
[ 13.868860] ? delay_halt_mwaitx+0x38/0x40
[ 13.868863] </NMI>
[ 13.868864] <TASK>
[ 13.868865] delay_halt+0x3b/0x60
[ 13.868868] wait_for_lsr+0x3f/0xa0
[ 13.868873] serial8250_console_write+0x270/0x670
[ 13.868877] ? srso_alias_return_thunk+0x5/0xfbef5
[ 13.868879] ? lock_release+0x183/0x2d0
[ 13.868885] ? console_flush_all+0x381/0x6b0
[ 13.868888] console_flush_all+0x3ad/0x6b0
[ 13.868891] ? console_flush_all+0x381/0x6b0
[ 13.868893] ? console_flush_all+0x39/0x6b0
[ 13.868900] console_unlock+0x157/0x240
[ 13.868904] vprintk_emit+0x304/0x550
[ 13.868910] _printk+0x58/0x80
[ 13.868914] ? ___ratelimit+0x85/0x100
[ 13.868919] __ext4_msg.cold+0x7f/0x84
[ 13.868926] ? srso_alias_return_thunk+0x5/0xfbef5
[ 13.868928] ? ext4_register_li_request+0x1c9/0x2a0
[ 13.868933] ext4_reconfigure+0x503/0xc40
[ 13.868939] ? shrink_dentry_list+0x17/0x320
[ 13.868942] ? shrink_dentry_list+0x89/0x320
[ 13.868944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 13.868946] ? shrink_dentry_list+0x16c/0x320
[ 13.868953] reconfigure_super+0xc5/0x210
[ 13.868958] __do_sys_fsconfig+0x607/0x750
[ 13.868967] do_syscall_64+0x5d/0x100
[ 13.868970] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 13.868973] RIP: 0033:0x7f04ffdb481a
[ 13.868976] Code: 73 01 c3 48 8b 0d 06 56 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 af 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d d6 55 0d 00 f7 d8 64 89 01 48
[ 13.868977] RSP: 002b:00007ffe3e177008 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
[ 13.868980] RAX: ffffffffffffffda RBX: 000055ab49f74a50 RCX: 00007f04ffdb481a
[ 13.868981] RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004
[ 13.868982] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
[ 13.868983] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ab49f75ee0
[ 13.868984] R13: 00007f04fff3b5e0 R14: 00007f04fff3d244 R15: 0000000000000065
[ 13.868993] </TASK>
[ 13.880199] (tmpfiles)[564]: (sd-mkdcreds) succeeded.
[ 13.936943] (journald)[561]: Restricting namespace to: n/a.
[ 13.937918] (tmpfiles)[564]: systemd-tmpfiles-setup-dev-early.service: Executing: systemd-tmpfiles --prefix=/dev --create --boot --graceful
[ 14.025641] (journald)[561]: systemd-journald.service: Executing: /usr/lib/systemd/systemd-journald
[ 14.137455] ACPI: bus type drm_connector registered
[ 14.306514] (udevadm)[569]: Found cgroup2 on /sys/fs/cgroup/, full unified hierarchy
[ 14.357107] (udevadm)[569]: Found cgroup2 on /sys/fs/cgroup/, full unified hierarch
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
