Message-ID: <Yk2D0VN8fdpsvlIq@kroah.com>
Date:   Wed, 6 Apr 2022 14:13:05 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:     linux-kernel@...r.kernel.org, stable@...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, slade@...dewatkins.com
Subject: Re: [PATCH 5.10 000/599] 5.10.110-rc1 review

On Tue, Apr 05, 2022 at 10:57:26PM +0100, Sudip Mukherjee wrote:
> Hi Greg,
> 
> On Tue, Apr 05, 2022 at 09:24:54AM +0200, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 5.10.110 release.
> > There are 599 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 Thu, 07 Apr 2022 07:01:33 +0000.
> > Anything received after that time might be too late.
> 
> My tests are still running, but it failed to boot on my test laptop.
> The trace is:
> 
> [    2.194098] BUG: unable to handle page fault for address: ffffffffc0778fb5
> [    2.194791] #PF: supervisor write access in kernel mode
> [    2.195166] #PF: error_code(0x0003) - permissions violation
> [    2.195558] PGD 1bac14067 P4D 1bac14067 PUD 1bac16067 PMD 10aab8067 PTE 8000000110976061
> [    2.196124] Oops: 0003 [#1] SMP PTI
> [    2.196374] CPU: 5 PID: 217 Comm: modprobe Not tainted 5.10.110-rc1+ #33
> [    2.196846] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
> [    2.197712] RIP: 0010:number+0x1d6/0x340
> [    2.198025] Code: 83 c3 01 89 c8 44 29 d8 39 c2 7e ea 45 85 c9 0f 88 72 01 00 00 4d 63 c9 4a 8d 54 0c 18 4b 8d 44 0b 01 4c 39 db 76 06 0f b6 0a <41> 88 0b 49 83 c3 01 48 83 ea 01 49 39 c3 75 e8 83 ed 01 0f 88 3c
> [    2.199654] RSP: 0018:ffffb61a4030fb08 EFLAGS: 00010206
> [    2.200126] RAX: ffffffffc0778fb7 RBX: ffffffffc0778fb8 RCX: 0000000000000031
> [    2.200630] RDX: ffffb61a4030fb21 RSI: 000000000000000a RDI: 0000000000000000
> [    2.201131] RBP: 00000000fffffffb R08: 0000000000ffff0a R09: 0000000000000001
> [    2.201635] R10: 3e2d434552202c29 R11: ffffffffc0778fb5 R12: 0000000000000020
> [    2.202140] R13: 0000000000000000 R14: 000000000000000a R15: 0000000000000000
> [    2.202641] FS:  00007fad7aa99580(0000) GS:ffff8c9537d40000(0000) knlGS:0000000000000000
> [    2.203212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [    2.203618] CR2: ffffffffc0778fb5 CR3: 000000011060c001 CR4: 0000000000370ee0
> [    2.204149] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [    2.204682] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [    2.205182] Call Trace:
> [    2.205371]  ? cpumask_next+0x17/0x20
> [    2.205636]  ? kvm_smp_send_call_func_ipi+0x1e/0x60
> [    2.205986]  vsnprintf+0x363/0x560
> [    2.206233]  snprintf+0x49/0x60
> [    2.206461]  eval_replace+0x46/0x80
> [    2.206712]  trace_event_eval_update+0x263/0x360
> [    2.207057]  trace_module_notify+0x44/0x50
> [    2.207352]  blocking_notifier_call_chain_robust+0x64/0xd0
> [    2.207774]  ? mutex_lock+0xe/0x30
> [    2.208020]  load_module+0x209c/0x28e0
> [    2.208291]  ? __do_sys_finit_module+0xb1/0x110
> [    2.208613]  __do_sys_finit_module+0xb1/0x110
> [    2.208926]  do_syscall_64+0x33/0x80
> [    2.209184]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [    2.209552] RIP: 0033:0x7fad7abb4f79
> [    2.209810] Code: 48 8d 3d da db 0d 00 0f 05 eb a5 66 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c7 9e 0d 00 f7 d8 64 89 01 48
> [    2.211162] RSP: 002b:00007ffd607603c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
> [    2.212293] RAX: ffffffffffffffda RBX: 0000557e2325bc20 RCX: 00007fad7abb4f79
> [    2.213374] RDX: 0000000000000000 RSI: 0000557e2193c260 RDI: 0000000000000004
> [    2.214495] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000557e2325c620
> [    2.215743] R10: 0000000000000004 R11: 0000000000000246 R12: 0000557e2193c260
> [    2.216994] R13: 0000000000000000 R14: 0000557e2325bcb0 R15: 0000557e2325bc20
> [    2.218219] Modules linked in: ext4(+) crc32c_generic crc16 mbcache jbd2 sd_mod bochs_drm t10_pi drm_vram_helper crc_t10dif drm_ttm_helper sr_mod crct10dif_generic cdrom ttm xhci_pci ata_generic drm_kms_helper xhci_hcd cec ata_piix libata rc_core usbcore crct10dif_pclmul crct10dif_common crc32_pclmul psmouse drm crc32c_intel usb_common i2c_piix4 e1000 scsi_mod floppy button
> [    2.222206] CR2: ffffffffc0778fb5
> [    2.223103] ---[ end trace 036356107aad6aa1 ]---
> 
> Did a bisect and the bisect log is:
> # bad: [45fdcc9dc72a44448666a2bcff4030a659e29e46] Linux 5.10.110-rc1
> # good: [d9c5818a0bc09e4cc9fe663edb69e4d6cdae4f70] Linux 5.10.109
> git bisect start 'HEAD' 'v5.10.109'
> # good: [93a35ab24592dfddafdb9f184e9399aad6d88a18] drm/amd/display: Add affected crtcs to atomic state for dsc mst unplug
> git bisect good 93a35ab24592dfddafdb9f184e9399aad6d88a18
> # good: [c8816508edf3558f597bd20a01403b060d690700] regulator: rpi-panel: Handle I2C errors/timing to the Atmel
> git bisect good c8816508edf3558f597bd20a01403b060d690700
> # bad: [5e7fb97064ee7794db7ac938583c3d095980e55f] scsi: qla2xxx: Fix disk failure to rediscover
> git bisect bad 5e7fb97064ee7794db7ac938583c3d095980e55f
> # good: [3d65639a786b4587e64fb813a79a8f27b83dcaab] ARM: dts: qcom: fix gic_irq_domain_translate warnings for msm8960
> git bisect good 3d65639a786b4587e64fb813a79a8f27b83dcaab
> # good: [8bb857ae514a06d96a6ca81ff306acf5783d6cc6] media: Revert "media: em28xx: add missing em28xx_close_extension"
> git bisect good 8bb857ae514a06d96a6ca81ff306acf5783d6cc6
> # bad: [0042f52f784f847927f1ff234b3f97dd97ad8e48] powerpc/lib/sstep: Fix build errors with newer binutils
> git bisect bad 0042f52f784f847927f1ff234b3f97dd97ad8e48
> # bad: [690ee20444960ce5592465bce043ac5cd4ef8028] media: atomisp: fix bad usage at error handling logic
> git bisect bad 690ee20444960ce5592465bce043ac5cd4ef8028
> # bad: [93fe2389e6fd4c545920f6bd013b36f9328b636e] tracing: Have TRACE_DEFINE_ENUM affect trace event types as well
> git bisect bad 93fe2389e6fd4c545920f6bd013b36f9328b636e
> # good: [1fe212d441b683685c2900bd4353f53f7f608db9] media: hdpvr: initialize dev->worker at hdpvr_register_videodev
> git bisect good 1fe212d441b683685c2900bd4353f53f7f608db9
> # first bad commit: [93fe2389e6fd4c545920f6bd013b36f9328b636e] tracing: Have TRACE_DEFINE_ENUM affect trace event types as well
> 
> And, reverting 93fe2389e6fd4c545920f6bd013b36f9328b636e on top of v5.10.110-rc1
> fixed the problem.

Now dropped, thanks.

greg k-h

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