Message-ID: <ZBQ+2XUJC5CjaI6V@debian>
Date:   Fri, 17 Mar 2023 10:20:09 +0000
From:   Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     stable@...r.kernel.org, patches@...ts.linux.dev,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
        patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
        jonathanh@...dia.com, f.fainelli@...il.com, srw@...dewatkins.net,
        rwarsow@....de
Subject: Re: [PATCH 5.4 00/55] 5.4.237-rc2 review

Hi Greg,

On Thu, Mar 16, 2023 at 09:49:55AM +0100, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.4.237 release.
> There are 55 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Sat, 18 Mar 2023 08:33:04 +0000.
> Anything received after that time might be too late.

Build test (gcc version 11.3.1 20230311):
mips: 65 configs -> 1 failure
arm: 106 configs -> no failure
arm64: 2 configs -> no failure
x86_64: 4 configs -> no failure
alpha allmodconfig -> no failure
powerpc allmodconfig -> no failure
riscv allmodconfig -> no failure
s390 allmodconfig -> no failure
xtensa allmodconfig -> no failure

mips build failure:
lasat_defconfig -> failed

arch/mips/lasat/picvue_proc.c:42:44: error: expected ')' before '&' token
   42 | static DECLARE_TASKLET(pvc_display_tasklet, &pvc_display, 0);
      |                                            ^~
      |                                            )
arch/mips/lasat/picvue_proc.c: In function 'pvc_line_proc_write':
arch/mips/lasat/picvue_proc.c:87:27: error: 'pvc_display_tasklet' undeclared (first use in this function)
   87 |         tasklet_schedule(&pvc_display_tasklet);
      |                           ^~~~~~~~~~~~~~~~~~~
arch/mips/lasat/picvue_proc.c:87:27: note: each undeclared identifier is reported only once for each function it appears in
At top level:
arch/mips/lasat/picvue_proc.c:33:13: error: 'pvc_display' defined but not used [-Werror=unused-function]
   33 | static void pvc_display(unsigned long data)
      |             ^~~~~~~~~~~


Boot test:
x86_64: Booted on qemu. No regression. [1]

Boot Regression on test laptop.

[    3.473713] BUG: kernel NULL pointer dereference, address: 000000000000007c
[    3.473720] #PF: supervisor read access in kernel mode
[    3.473722] #PF: error_code(0x0000) - not-present page
[    3.473723] PGD 0 P4D 0 
[    3.473727] Oops: 0000 [#1] SMP NOPTI
[    3.473730] CPU: 0 PID: 114 Comm: systemd-udevd Not tainted 5.4.237-rc2-1baba0e91ac5+ #1
[    3.473732] Hardware name: LENOVO 4287CTO/4287CTO, BIOS 8DET68WW (1.38 ) 04/11/2013
[    3.473798] RIP: 0010:intel_context_unpin+0xe/0x120 [i915]
[    3.473804] Code: 60 00 e9 44 ff ff ff be 02 00 00 00 e8 8b 8d d3 fa eb ae 41 bd fc ff ff ff eb b2 90 66 66 66 66 90 41 55 48 8d 57 7c 41 54 55 <8b> 47 7c 48 89 fd 83 f8 01 74 0f 8d 48 ff f0 0f b1 0a 75 f2 5d 41
[    3.473808] RSP: 0018:ffff9d6900167a58 EFLAGS: 00010246
[    3.473811] RAX: ffff8898905c9400 RBX: ffff889787fea000 RCX: ffff8898905c94c0
[    3.473814] RDX: 000000000000007c RSI: ffff8898905caac0 RDI: 0000000000000000
[    3.473817] RBP: ffff889787fea000 R08: ffff889891f86160 R09: ffff8898960af4b8
[    3.473820] R10: ffff88978757a0c0 R11: 00000000030c44f5 R12: 00000000fffffffa
[    3.473823] R13: ffff8898913feb80 R14: ffffffffc04e4bf0 R15: ffff889891f877c8
[    3.473827] FS:  00007f5b0f8648c0(0000) GS:ffff889896000000(0000) knlGS:0000000000000000
[    3.473830] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.473833] CR2: 000000000000007c CR3: 000000021100c005 CR4: 00000000000606f0
[    3.473836] Call Trace:
[    3.473893]  intel_engine_cleanup_common+0xb7/0x1f0 [i915]
[    3.473947]  intel_ring_submission_init+0x60/0x110 [i915]
[    3.473999]  intel_engines_init+0x44/0xa0 [i915]
[    3.474056]  i915_gem_init+0x1f7/0x7e0 [i915]
[    3.474118]  ? intel_modeset_init+0x101e/0x1c70 [i915]
[    3.474167]  i915_driver_probe+0xc43/0x14f0 [i915]
[    3.474175]  ? __kernfs_new_node+0x156/0x1b0
[    3.474180]  ? kfree+0xb3/0x230
[    3.474229]  ? i915_pci_probe+0x3f/0x150 [i915]
[    3.474234]  local_pci_probe+0x42/0x80
[    3.474240]  ? _cond_resched+0x16/0x40
[    3.474245]  pci_device_probe+0xfd/0x1b0
[    3.474251]  really_probe+0x160/0x400
[    3.474255]  driver_probe_device+0xb6/0x100
[    3.474259]  device_driver_attach+0xa1/0xb0
[    3.474263]  __driver_attach+0x9b/0x140
[    3.474267]  ? device_driver_attach+0xb0/0xb0
[    3.474271]  bus_for_each_dev+0x78/0xc0
[    3.474275]  bus_add_driver+0x136/0x200
[    3.474279]  driver_register+0x8f/0xe0
[    3.474283]  ? 0xffffffffc06ec000
[    3.474288]  do_one_initcall+0x46/0x200
[    3.474292]  ? _cond_resched+0x16/0x40
[    3.474297]  ? kmem_cache_alloc_trace+0x19d/0x220
[    3.474302]  ? do_init_module+0x23/0x250
[    3.474305]  do_init_module+0x4c/0x250
[    3.474310]  __do_sys_finit_module+0xac/0x110
[    3.474315]  do_syscall_64+0x52/0x160
[    3.474320]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[    3.474324] Modules linked in: i915(+) ahci crc32c_intel libahci libata psmouse i2c_i801 scsi_mod i2c_algo_bit lpc_ich ehci_pci ehci_hcd sdhci_pci drm_kms_helper cqhci sdhci usbcore usb_common mmc_core e1000e(+) drm ptp pps_core video
[    3.474342] CR2: 000000000000007c
[    3.474346] ---[ end trace c956347dbb581033 ]---



[1]. https://openqa.qa.codethink.co.uk/tests/3131


Tested-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>

-- 
Regards
Sudip

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