Subject: Re: linux-next tree panic on ppc64le

From: Michael Ellerman <[email-masked]>
Date: Thu, 23 Feb 2023 16:10:17 +1100

Murphy Zhou <[email-masked]> writes:
> On Wed, Feb 22, 2023 at 10:35 AM Bagas Sanjaya <[email-masked]> wrote:
>> On 2/22/23 07:55, Murphy Zhou wrote:
>> > [   59.558339] ------------[ cut here ]------------
>> > [   59.558361] kernel BUG at arch/powerpc/kernel/syscall.c:34!
>> > [   59.558373] Oops: Exception in kernel mode, sig: 5 [#1]
>> > [   59.558384] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=2048 NUMA PowerNV
>> > [   59.558397] Modules linked in: rfkill i2c_dev sunrpc ast
>> > i2c_algo_bit drm_shmem_helper drm_kms_helper ext4 syscopyarea
>> > sysfillrect sysimgblt ofpart ses powernv_flash enclosure
>> > scsi_transport_sas ipmi_powernv at24 mbcache jbd2 ipmi_devintf
>> > regmap_i2c opal_prd ipmi_msghandler mtd ibmpowernv drm fuse
>> > drm_panel_orientation_quirks xfs libcrc32c sd_mod t10_pi
>> > crc64_rocksoft_generic crc64_rocksoft crc64 sg i40e aacraid vmx_crypto
>> > [   59.558494] CPU: 29 PID: 6366 Comm: kexec Not tainted 6.2.0-next-20230221 #1
...
>> > [   60.564336]
>> > [   61.564343] Kernel panic - not syncing: Fatal exception
>>
>> Panic on what linux-next tag? Can you test powerpc/next tree?

> powerpc/next tree does not panic.

Because I applied the fix last night :)

Which is:
  f82cdc37c4bd ("powerpc/pseries: Avoid hcall in plpks_is_available() on non-pseries")

Thanks for the report.

cheers