Re: [PATCH 5.4 00/24] 5.4.105-rc1 review

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+Alex,

On 3/10/2021 5:24 AM, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
> From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> 
> This is the start of the stable review cycle for the 5.4.105 release.
> There are 24 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 Fri, 12 Mar 2021 13:23:09 +0000.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.4.105-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h

I believe you need to drop "net: dsa: add GRO support via gro_cells" as
it causes the following kernel panic on a DSA-enabled platform:

Configuring rgmii_2 interface
[   10.170527] brcm-sf2 f0b00000.ethernet_switch rgmii_2: configuring
for fixed/rgmii-txid link mode
[   10.179597] 8021q: adding VLAN 0 to HW filter on device rgmii_2
[   10.185608] brcm-sf2 f0b00000.ethernet_switch rgmii_2: Link is Up -
1Gbps/Full - flow control off
[   10.198631] IPv6: ADDRCONF(NETDEV_CHANGE): rgmii_2: link becomes ready
Configuring sit0 interface
[   10.254346] 8<--- cut here ---
[   10.257438] Unable to handle kernel paging request at virtual address
d6df6190
[   10.264685] pgd = (ptrval)
[   10.267411] [d6df6190] *pgd=80000000007003, *pmd=00000000
[   10.272846] Internal error: Oops: 206 [#1] SMP ARM
[   10.277661] Modules linked in:
[   10.280739] CPU: 0 PID: 1886 Comm: sed Not tainted
5.4.105-1.0pre-geff642e2af2b #4
[   10.288337] Hardware name: Broadcom STB (Flattened Device Tree)
[   10.294292] PC is at gro_cells_receive+0x90/0x11c
[   10.299020] LR is at dsa_switch_rcv+0x120/0x1d4
[   10.303562] pc : [<c0a57a28>]    lr : [<c0b4a65c>]    psr: 600f0113
[   10.309841] sp : c1d33cd0  ip : 000003e8  fp : c1d33ce4
[   10.315078] r10: c8901000  r9 : c8901000  r8 : c0b4a53c
[   10.320314] r7 : c2208920  r6 : 00000000  r5 : 00000000  r4 : 00004000
[   10.326855] r3 : d6df6188  r2 : c4927000  r1 : c8adc300  r0 : c22069dc
[   10.333398] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM
Segment user
[   10.340547] Control: 30c5387d  Table: 04ac4c80  DAC: fffffffd
[   10.346307] Process sed (pid: 1886, stack limit = 0x(ptrval))
[   10.352066] Stack: (0xc1d33cd0 to 0xc1d34000)
[   10.356434] 3cc0:                                     c8adc300
c4927000 c1d33d04 c1d33ce8
[   10.364631] 3ce0: c0b4a65c c0a579a4 c1d33d24 c2208920 c1d33d24
00000000 c1d33d5c c1d33d08
[   10.372827] 3d00: c0a0b38c c0b4a548 c021e070 c2204cc8 00000000
c89015c0 04b87700 c89015c0
[   10.381023] 3d20: c2208920 c1d33d24 c1d33d24 00976ec2 04b87700
c8adc300 c89015c0 00000000
[   10.389218] 3d40: c1d33d74 c1d32000 00000000 c230742c c1d33dac
c1d33d60 c0a0b5c0 c0a0b180
[   10.397414] 3d60: 00000000 c2204cc8 00000000 c1d33d6c c1d33d6c
c1d33d80 c029daf8 00976ec2
[   10.405610] 3d80: 00000800 c8901540 c89015c0 c8901540 00000000
00000001 0000016c 00000162
[   10.413805] 3da0: c1d33dc4 c1d33db0 c0a0b7fc c0a0b3b8 00000000
c8adc300 c1d33dfc c1d33dc8
[   10.422001] 3dc0: c0a0c660 c0a0b7e4 c8901540 c8adc300 c1d33dfc
c1d33de0 c8901540 c8adc300
[   10.430196] 3de0: 0000015e c8901000 00000001 0000016c c1d33e74
c1d33e00 c083df00 c0a0c4fc
[   10.438391] 3e00: 0000012c c22b0f14 c1d33e4c c1d33e18 c0fbd9b8
c0fbd9cc c0fbd9e0 c0fbd98c
[   10.446586] 3e20: 00000001 00000040 c8901500 00000001 00000000
00000000 00000000 00000000
[   10.454780] 3e40: 00000000 00000000 c02f65a0 c8901540 00000001
00000040 c22b07e4 0000012c
[   10.462975] 3e60: d1003000 fffb942f c1d33edc c1d33e78 c0a0c94c
c083dafc d051ad80 c2204cc8
[   10.471170] 3e80: c2204cf0 c1d32000 c22b40b0 0e4a4000 c2076d80
c2203d00 c022bc70 c1d33e9c
[   10.479365] 3ea0: c1d33e9c c1d33ea4 c1d33ea4 00976ec2 c02f65a0
c220308c 00000003 c1d32000
[   10.487561] 3ec0: c22b07e4 00000100 d1003000 00000008 c1d33f44
c1d33ee0 c020238c c0a0c6cc
[   10.495755] 3ee0: c1d33f14 c1d33ef0 00000001 00400000 c2203d00
fffb942f c206b2e4 c2076040
[   10.503950] 3f00: c2076040 0000000a c2203080 c206b358 c1d33ee0
00000004 c90c9500 ffffe000
[   10.512145] 3f20: 00000000 00000000 00000001 c9019000 d1003000
00000000 c1d33f5c c1d33f48
[   10.520339] 3f40: c022bc70 c0202264 c2075fbc 00000000 c1d33f84
c1d33f60 c027feb4 c022bb88
[   10.528535] 3f60: c226d668 c220565c d100200c c1d33fb0 d1002000
d1003000 c1d33fac c1d33f88
[   10.536730] 3f80: c0202214 c027fe50 b6f1e0b6 000f0030 ffffffff
30c5387d 30c5387d 00000000
[   10.544924] 3fa0: 00000000 c1d33fb0 c0201d8c c02021c4 b6ec1778
b6f32094 62632e73 62740000
[   10.553120] 3fc0: 00172e73 00001700 b6f3293c 00000001 00000001
00000000 00000000 00000006
[   10.561316] 3fe0: ffffffff bef37ac8 b6f18151 b6f1e0b6 000f0030
ffffffff 00000000 00000000
[   10.569508] Backtrace:
[   10.571970] [<c0a57998>] (gro_cells_receive) from [<c0b4a65c>]
(dsa_switch_rcv+0x120/0x1d4)
[   10.580338]  r5:c4927000 r4:c8adc300
[   10.583929] [<c0b4a53c>] (dsa_switch_rcv) from [<c0a0b38c>]
(__netif_receive_skb_list_core+0x218/0x238)
[   10.593343]  r7:00000000 r6:c1d33d24 r5:c2208920 r4:c1d33d24
[   10.599017] [<c0a0b174>] (__netif_receive_skb_list_core) from
[<c0a0b5c0>] (netif_receive_skb_list_internal+0x214/0x2dc)
[   10.609909]  r10:c230742c r9:00000000 r8:c1d32000 r7:c1d33d74
r6:00000000 r5:c89015c0
[   10.617755]  r4:c8adc300
[   10.620300] [<c0a0b3ac>] (netif_receive_skb_list_internal) from
[<c0a0b7fc>] (gro_normal_list.part.42+0x24/0x38)
[   10.630496]  r10:00000162 r9:0000016c r8:00000001 r7:00000000
r6:c8901540 r5:c89015c0
[   10.638342]  r4:c8901540
[   10.640885] [<c0a0b7d8>] (gro_normal_list.part.42) from [<c0a0c660>]
(napi_complete_done+0x170/0x1d0)
[   10.650123]  r5:c8adc300 r4:00000000
[   10.653712] [<c0a0c4f0>] (napi_complete_done) from [<c083df00>]
(bcm_sysport_poll+0x410/0x4b4)
[   10.662343]  r9:0000016c r8:00000001 r7:c8901000 r6:0000015e
r5:c8adc300 r4:c8901540
[   10.670104] [<c083daf0>] (bcm_sysport_poll) from [<c0a0c94c>]
(net_rx_action+0x28c/0x44c)
[   10.678301]  r10:fffb942f r9:d1003000 r8:0000012c r7:c22b07e4
r6:00000040 r5:00000001
[   10.686146]  r4:c8901540
[   10.688693] [<c0a0c6c0>] (net_rx_action) from [<c020238c>]
(__do_softirq+0x134/0x414)
[   10.696542]  r10:00000008 r9:d1003000 r8:00000100 r7:c22b07e4
r6:c1d32000 r5:00000003
[   10.704387]  r4:c220308c
[   10.706931] [<c0202258>] (__do_softirq) from [<c022bc70>]
(irq_exit+0xf4/0x100)
[   10.714257]  r10:00000000 r9:d1003000 r8:c9019000 r7:00000001
r6:00000000 r5:00000000
[   10.722104]  r4:ffffe000
[   10.724650] [<c022bb7c>] (irq_exit) from [<c027feb4>]
(__handle_domain_irq+0x70/0xc4)
[   10.732497]  r5:00000000 r4:c2075fbc
[   10.736083] [<c027fe44>] (__handle_domain_irq) from [<c0202214>]
(gic_handle_irq+0x5c/0xa0)
[   10.744453]  r9:d1003000 r8:d1002000 r7:c1d33fb0 r6:d100200c
r5:c220565c r4:c226d668
[   10.752215] [<c02021b8>] (gic_handle_irq) from [<c0201d8c>]
(__irq_usr+0x4c/0x60)
[   10.759713] Exception stack(0xc1d33fb0 to 0xc1d33ff8)
[   10.764776] 3fa0:                                     b6ec1778
b6f32094 62632e73 62740000
[   10.772973] 3fc0: 00172e73 00001700 b6f3293c 00000001 00000001
00000000 00000000 00000006
[   10.781167] 3fe0: ffffffff bef37ac8 b6f18151 b6f1e0b6 000f0030 ffffffff
[   10.787797]  r9:00000000 r8:30c5387d r7:30c5387d r6:ffffffff
r5:000f0030 r4:b6f1e0b6
[   10.795559] Code: e30609dc e34c0220 e083300c e590c000 (e5930008)
[   10.801670] ---[ end trace 97c3942fa73eff4c ]---
[   10.806300] Kernel panic - not syncing: Fatal exception in interrupt
[   10.812678] CPU2: stopping
[   10.815403] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G      D
 5.4.105-1.0pre-geff642e2af2b #4
[   10.824641] Hardware name: Broadcom STB (Flattened Device Tree)
[   10.830573] Backtrace:
[   10.833036] [<c020dd30>] (dump_backtrace) from [<c020e04c>]
(show_stack+0x20/0x24)
[   10.840624]  r7:c22a86d0 r6:00000000 r5:600c0193 r4:c22a86d0
[   10.846302] [<c020e02c>] (show_stack) from [<c0c09924>]
(dump_stack+0xb8/0xe4)
[   10.853546] [<c0c0986c>] (dump_stack) from [<c0212160>]
(handle_IPI+0x344/0x3cc)
[   10.860960]  r10:00000000 r9:c2205400 r8:00000000 r7:00000002
r6:c22b0744 r5:00000004
[   10.868807]  r4:c22ce308 r3:00976ec2
[   10.872395] [<c0211e1c>] (handle_IPI) from [<c0202254>]
(gic_handle_irq+0x9c/0xa0)
[   10.879983]  r10:00000000 r9:d1003000 r8:d1002000 r7:c9131f18
r6:d100200c r5:c220565c
[   10.887829]  r4:c226d668
[   10.890373] [<c02021b8>] (gic_handle_irq) from [<c0201a3c>]
(__irq_svc+0x5c/0x7c)
[   10.897871] Exception stack(0xc9131f18 to 0xc9131f60)
[   10.902934] 1f00:
   c020a47c 00000000
[   10.911131] 1f20: 0e4ca000 600c0093 c9130000 c2204cf0 c2204d34
00000004 00000000 c20757b0
[   10.919327] 1f40: 00000000 c9131f74 c9130000 c9131f68 00000000
c020a480 600c0013 ffffffff
[   10.927523]  r9:c9130000 r8:00000000 r7:c9131f4c r6:ffffffff
r5:600c0013 r4:c020a480
[   10.935291] [<c020a44c>] (arch_cpu_idle) from [<c0c1316c>]
(default_idle_call+0x34/0x48)
[   10.943403] [<c0c13138>] (default_idle_call) from [<c02580c0>]
(do_idle+0x1d4/0x2c0)
[   10.951164] [<c0257eec>] (do_idle) from [<c0258494>]
(cpu_startup_entry+0x28/0x2c)
[   10.958752]  r10:00000000 r9:420f00f3 r8:00007000 r7:c22ce318
r6:30c0387d r5:00000002
[   10.966598]  r4:0000008a
[   10.969142] [<c025846c>] (cpu_startup_entry) from [<c0211644>]
(secondary_start_kernel+0x17c/0x1a0)
[   10.978210] [<c02114c8>] (secondary_start_kernel) from [<0020270c>]
(0x20270c)
[   10.985447]  r5:00000000 r4:090eaa40
[   10.989032] CPU3: stopping
[   10.991754] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G      D
 5.4.105-1.0pre-geff642e2af2b #4
[   11.000992] Hardware name: Broadcom STB (Flattened Device Tree)
[   11.006924] Backtrace:
[   11.009384] [<c020dd30>] (dump_backtrace) from [<c020e04c>]
(show_stack+0x20/0x24)
[   11.016972]  r7:c22a86d0 r6:00000000 r5:600f0193 r4:c22a86d0
[   11.022649] [<c020e02c>] (show_stack) from [<c0c09924>]
(dump_stack+0xb8/0xe4)
[   11.029892] [<c0c0986c>] (dump_stack) from [<c0212160>]
(handle_IPI+0x344/0x3cc)
[   11.037307]  r10:00000000 r9:c2205400 r8:00000000 r7:00000003
r6:c22b0744 r5:00000004
[   11.045154]  r4:c22ce308 r3:00976ec2
[   11.048741] [<c0211e1c>] (handle_IPI) from [<c0202254>]
(gic_handle_irq+0x9c/0xa0)
[   11.056329]  r10:00000000 r9:d1003000 r8:d1002000 r7:c9133f18
r6:d100200c r5:c220565c
[   11.064176]  r4:c226d668
[   11.066719] [<c02021b8>] (gic_handle_irq) from [<c0201a3c>]
(__irq_svc+0x5c/0x7c)
[   11.074216] Exception stack(0xc9133f18 to 0xc9133f60)
[   11.079280] 3f00:
   c020a47c 00000000
[   11.087476] 3f20: 0e4dd000 600f0093 c9132000 c2204cf0 c2204d34
00000008 00000000 c20757b0
[   11.095671] 3f40: 00000000 c9133f74 c9132000 c9133f68 00000000
c020a480 600f0013 ffffffff
[   11.103867]  r9:c9132000 r8:00000000 r7:c9133f4c r6:ffffffff
r5:600f0013 r4:c020a480
[   11.111633] [<c020a44c>] (arch_cpu_idle) from [<c0c1316c>]
(default_idle_call+0x34/0x48)
[   11.119744] [<c0c13138>] (default_idle_call) from [<c02580c0>]
(do_idle+0x1d4/0x2c0)
[   11.127506] [<c0257eec>] (do_idle) from [<c0258494>]
(cpu_startup_entry+0x28/0x2c)
[   11.135093]  r10:00000000 r9:420f00f3 r8:00007000 r7:c22ce318
r6:30c0387d r5:00000003
[   11.142939]  r4:0000008a
[   11.145484] [<c025846c>] (cpu_startup_entry) from [<c0211644>]
(secondary_start_kernel+0x17c/0x1a0)
[   11.154550] [<c02114c8>] (secondary_start_kernel) from [<0020270c>]
(0x20270c)
[   11.161788]  r5:00000000 r4:090eaa40
[   11.165372] CPU1: stopping
[   11.168094] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G      D
 5.4.105-1.0pre-geff642e2af2b #4
[   11.177332] Hardware name: Broadcom STB (Flattened Device Tree)
[   11.183264] Backtrace:
[   11.185723] [<c020dd30>] (dump_backtrace) from [<c020e04c>]
(show_stack+0x20/0x24)
[   11.193311]  r7:c22a86d0 r6:00000000 r5:600c0193 r4:c22a86d0
[   11.198988] [<c020e02c>] (show_stack) from [<c0c09924>]
(dump_stack+0xb8/0xe4)
[   11.206230] [<c0c0986c>] (dump_stack) from [<c0212160>]
(handle_IPI+0x344/0x3cc)
[   11.213644]  r10:00000000 r9:c2205400 r8:00000000 r7:00000001
r6:c22b0744 r5:00000004
[   11.221491]  r4:c22ce308 r3:00976ec2
[   11.225078] [<c0211e1c>] (handle_IPI) from [<c0202254>]
(gic_handle_irq+0x9c/0xa0)
[   11.232666]  r10:00000000 r9:d1003000 r8:d1002000 r7:c912ff18
r6:d100200c r5:c220565c
[   11.240512]  r4:c226d668
[   11.243054] [<c02021b8>] (gic_handle_irq) from [<c0201a3c>]
(__irq_svc+0x5c/0x7c)
[   11.250553] Exception stack(0xc912ff18 to 0xc912ff60)
[   11.255617] ff00:
   c020a47c 00000000
[   11.263814] ff20: 0e4b7000 600c0093 c912e000 c2204cf0 c2204d34
00000002 00000000 c20757b0
[   11.272010] ff40: 00000000 c912ff74 c912e000 c912ff68 00000000
c020a480 600c0013 ffffffff
[   11.280206]  r9:c912e000 r8:00000000 r7:c912ff4c r6:ffffffff
r5:600c0013 r4:c020a480
[   11.287970] [<c020a44c>] (arch_cpu_idle) from [<c0c1316c>]
(default_idle_call+0x34/0x48)
[   11.296081] [<c0c13138>] (default_idle_call) from [<c02580c0>]
(do_idle+0x1d4/0x2c0)
[   11.303842] [<c0257eec>] (do_idle) from [<c0258494>]
(cpu_startup_entry+0x28/0x2c)
[   11.311430]  r10:00000000 r9:420f00f3 r8:00007000 r7:c22ce318
r6:30c0387d r5:00000001
[   11.319275]  r4:0000008a
[   11.321819] [<c025846c>] (cpu_startup_entry) from [<c0211644>]
(secondary_start_kernel+0x17c/0x1a0)
[   11.330886] [<c02114c8>] (secondary_start_kernel) from [<0020270c>]
(0x20270c)
[   11.338124]  r5:00000000 r4:090eaa40
[   11.341729] ---[ end Kernel panic - not syncing: Fatal exception in
interrupt ]---

it is not marked as fixing anything so I wonder how it landed in stable?
-- 
Florian



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