[Bug 219495] [TPM2] tpm_tis driver crashs during the boot time.

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https://bugzilla.kernel.org/show_bug.cgi?id=219495

--- Comment #54 from andy.liang@xxxxxxx ---
(In reply to jarkko from comment #51)
> (In reply to jarkko from comment #31)
> > OK, I somehow managed to miss it as it had different naming convention
> sorry.
> > 
> > Anywhow, I see this:
> > 
> > [   10.693310][    T1] tpm_tis STM0925:00: 2.0 TPM (device-id 0x3, rev-id
> 0)
> > [   10.848132][    T1] ------------[ cut here ]------------
> > [   10.853559][    T1] WARNING: CPU: 59 PID: 1 at mm/page_alloc.c:4727
> > __alloc_pages_noprof+0x2ca/0x330
> > [   10.862827][    T1] Modules linked in:
> > [   10.866671][    T1] CPU: 59 UID: 0 PID: 1 Comm: swapper/0 Not tainted
> > 6.12.0-lp155.2.g52785e2-default #1 openSUSE Tumbleweed (unreleased)
> > 588cd98293a7c9eba9013378d807364c088c9375
> > [   10.882741][    T1] Hardware name: HPE ProLiant DL320 Gen12/ProLiant
> > DL320 Gen12, BIOS 1.20 10/28/2024
> > [   10.892170][    T1] RIP: 0010:__alloc_pages_noprof+0x2ca/0x330
> > [   10.898103][    T1] Code: 24 08 e9 4a fe ff ff e8 34 36 fa ff e9 88 fe
> ff
> > ff 83 fe 0a 0f 86 b3 fd ff ff 80 3d 01 e7 ce 01 00 75 09 c6 05 f8 e6 ce 01
> > 01 <0f> 0b 45 31 ff e9 e5 fe ff ff f7 c2 00 00 08 00 75 42 89 d9 80 e1
> > [   10.917750][    T1] RSP: 0000:ffffb7cf40077980 EFLAGS: 00010246
> > [   10.923777][    T1] RAX: 0000000000000000 RBX: 0000000000040cc0 RCX:
> > 0000000000000000
> > [   10.931727][    T1] RDX: 0000000000000000 RSI: 000000000000000c RDI:
> > 0000000000040cc0
> > [   10.939678][    T1] RBP: 000000000000000c R08: ffffffffbb6fdc67 R09:
> > 0000000000000000
> > [   10.947626][    T1] R10: ffffb7cf40077ac8 R11: 0000000000000000 R12:
> > 0000000000000000
> > [   10.955560][    T1] R13: 00000000ffffffff R14: 0000000000000cc0 R15:
> > ffff9a5c051cc000
> > [   10.963507][    T1] FS:  0000000000000000(0000)
> GS:ffff9a6348780000(0000)
> > knlGS:0000000000000000
> > [   10.972405][    T1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > [   10.978944][    T1] CR2: 0000000000000000 CR3: 0000000184638001 CR4:
> > 0000000000f70ef0
> > [   10.986891][    T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> > 0000000000000000
> > [   10.994837][    T1] DR3: 0000000000000000 DR6: 00000000ffff07f0 DR7:
> > 0000000000000400
> > [   11.002770][    T1] PKRU: 55555554
> > [   11.006256][    T1] Call Trace:
> > [   11.009479][    T1]  <TASK>
> > [   11.012352][    T1]  ? __alloc_pages_noprof+0x2ca/0x330
> > 
> > 
> > RSI=0x0c, which maps to the parameter 'order' in __alloc_pages_noprof(),
> > which allocates 
> > 4096*2**0xc = 16777216 = 16 MiB of memory. This means that memory consumed
> > by the log is in the range 8 MiB < N <= 16 MiB.
> 
> I don't understand why ESI=0x0c while TPM2 table has size 0x800000, which
> maps to the order 0x0b as 4096 * 2**0x0b = 0x800000.
> 
> It looks like as if TPM2 table and this transcript are either from different
> machines or different BIOS versions. I'm not sure how to otherwise explain
> that difference.
> 
> For 0x0c, the last line in that TPM2 dump screenshot should start: 00000001
> not 00008000.

Sorry about that. The machine I had in November is different from the one in
December. I uploaded a new dmesg with Kernel 6.12.6. Thank you. 
https://bugzilla.kernel.org/attachment.cgi?id=307386

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