Messages in this thread | | | Date | Sat, 20 Aug 2022 08:13:52 +0200 | Subject | Re: WARNING: CPU: 1 PID: 83 at arch/x86/kernel/cpu/sgx/main.c:446 ksgxd+0x1b7/0x1d0 | From | Paul Menzel <> |
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Dear Dave,
Thank you for your quick reply.
Am 19.08.22 um 20:28 schrieb Dave Hansen: > On 8/19/22 09:02, Paul Menzel wrote: >> On the Dell XPS 13 9370, Linux 5.18.16 prints the warning below: >> >> ``` >> [ 0.000000] Linux version 5.18.0-4-amd64 (debian-kernel@lists.debian.org) (gcc-11 (Debian 11.3.0-5) 11.3.0, GNU ld (GNU Binutils for Debian) 2.38.90.20220713) #1 SMP PREEMPT_DYNAMIC Debian 5.18.16-1 (2022-08-10) >> [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-5.18.0-4-amd64 root=UUID=56f398e0-1e25-4fda-aa9f-611dece4b333 ro quiet >> […] >> [ 0.000000] DMI: Dell Inc. XPS 13 9370/0RMYH9, BIOS 1.21.0 07/06/2022 >> […] >> [ 0.235418] sgx: EPC section 0x40200000-0x45f7ffff
> Would you be able to send the entire dmesg, along with:
The log message are attached to the first message, where I missed to carbon-copy linux-sgx@ [1].
> cat /proc/iomem # (as root) > and > cpuid -1 --raw
I am going to provide that next week. (Side note, Intel might have some Dell XPS 9370 test machines in some QA lab.)
> I'm suspecting either a BIOS problem. Reinette (cc'd) also thought this > might be a case of the SGX initialization getting a bit too far along > when it should have been disabled. > > We had some bugs where we didn't stop fast enough after spitting out the > "SGX Launch Control is locked..." errors.
Kind regards,
Paul
[1]: https://lore.kernel.org/lkml/ce0b4d26-3a6e-7c5a-5f66-44cba05f9f35@molgen.mpg.de/
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