On Mon, Aug 29, 2022 at 6:54 AM Yann Gautier <yann.gautier@xxxxxxxxxxx> wrote: > > On 8/29/22 13:50, Yann Gautier wrote: > > On 8/28/22 13:44, Thorsten Leemhuis wrote: > >> Hi, this is your Linux kernel regression tracker speaking. > >> > >> I noticed a regression report in bugzilla.kernel.org. As many (most?) > >> kernel developer don't keep an eye on it, I decided to forward it (I > >> hope I picked the right recipients for this mail): > >> > >>> frc.gabriel@xxxxxxxxx 2022-08-27 09:36:06 UTC > >>> > >>> Created attachment 301682 [details] > >>> full dmesg output > >>> > >>> Hi, good morning! > >>> > >>> my device is currently crashing during boot with kernel 6.0.0-rc2. I > >>> also tried next-20220826 and the outcome is the same. > >>> > >>> The full dmesg log can be found attached on crash-boot.txt file. > >>> > >>> Thank you and have a good day, > >>> Gabriel Francisco > >> > >> From that dmesg: > >> > >>> [ 2.279556] 8<--- cut here --- > >>> [ 2.279734] s4: Bringing 0uV into 815000-815000uV > >>> [ 2.284139] Unable to handle kernel NULL pointer dereference at > >>> virtual address 00000008 > >>> [ 2.288082] s1: Bringing 0uV into 1300000-1300000uV > >>> [ 2.292017] [00000008] *pgd=00000000 > >>> [ 2.300784] s2: Bringing 0uV into 2150000-2150000uV > >>> [ 2.304801] Internal error: Oops: 5 [#1] SMP ARM > >>> [ 2.309033] s3: Bringing 0uV into 1800000-1800000uV > >>> [ 2.313196] Modules linked in: > >>> [ 2.313208] CPU: 2 PID: 7 Comm: kworker/u8:0 Not tainted 6.0.0-rc2 > >>> #325 > >>> [ 2.313221] Hardware name: Generic DT based system > >>> [ 2.318516] l1: Bringing 0uV into 1225000-1225000uV > >>> [ 2.322655] Workqueue: events_unbound deferred_probe_work_func > >>> [ 2.326162] l2: Bringing 0uV into 1200000-1200000uV > >>> [ 2.332290] PC is at mmci_probe+0x10/0x9b0 > >>> [ 2.332308] LR is at amba_probe+0xf0/0x174 > >>> [ 2.337399] l3: Bringing 0uV into 1225000-1225000uV > >>> [ 2.341927] pc : [<c0b14e10>] lr : [<c089036c>] psr: 80000013 > >>> [ 2.348097] l4: Bringing 0uV into 1225000-1225000uV > >>> [ 2.352601] sp : f0839dd0 ip : fffffff8 fp : c1903248 > >>> [ 2.352609] r10: c1448b9c r9 : fffffdfb r8 : 00000000 > >>> [ 2.352616] r7 : c1903000 r6 : eefe45bc r5 : 00000000 r4 : > >>> c1903100 > >>> [ 2.357020] l5: Bringing 0uV into 1800000-1800000uV > >>> [ 2.360849] r3 : c0b14e00 r2 : 00000000 r1 : 00000000 r0 : > >>> c1903000 > >>> [ 2.365896] l6: Bringing 0uV into 1800000-1800000uV > >>> [ 2.371873] Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM > >>> Segment none > >>> [ 2.377217] l7: Bringing 0uV into 1800000-1800000uV > >>> [ 2.381944] Control: 10c5787d Table: 0020406a DAC: 00000051 > >>> [ 2.387543] l8: Bringing 0uV into 1800000-1800000uV > >>> [ 2.393749] Register r0 information: slab kmalloc-1k start > >>> c1903000 pointer offset 0 size 1024 > >>> [ 2.398766] l9: Bringing 0uV into 1800000-1800000uV > >>> [ 2.405119] > >>> [ 2.405124] Register r1 information: NULL pointer > >>> [ 2.405137] Register r2 information: > >>> [ 2.410141] l10: Bringing 0uV into 1800000-1800000uV > >>> [ 2.417186] NULL pointer > >>> [ 2.417193] Register r3 information: non-slab/vmalloc memory > >>> [ 2.417205] Register r4 information: > >>> [ 2.422124] l11: Bringing 0uV into 1300000-1300000uV > >>> [ 2.427776] slab kmalloc-1k start c1903000 pointer offset 256 > >>> size 1024 > >>> [ 2.432756] l12: Bringing 0uV into 1800000-1800000uV > >>> [ 2.441145] > >>> [ 2.446335] l13: Bringing 0uV into 1800000-1800000uV > >>> [ 2.447655] Register r5 information: > >>> [ 2.452735] l14: Bringing 0uV into 1800000-1800000uV > >>> [ 2.455902] NULL pointer > >>> [ 2.461123] l15: Bringing 0uV into 2050000-2050000uV > >>> [ 2.463368] Register r6 information: non-slab/vmalloc memory > >>> [ 2.463380] Register r7 information: slab kmalloc-1k start c1903000 > >>> [ 2.469373] l16: Bringing 0uV into 2700000-2700000uV > >>> [ 2.472656] pointer offset 0 size 1024 > >>> [ 2.472671] Register r8 information: > >>> [ 2.477868] l17: Bringing 0uV into 2850000-2850000uV > >>> [ 2.484288] NULL pointer > >>> [ 2.484294] Register r9 information: non-paged memory > >>> [ 2.484305] Register r10 information: > >>> [ 2.489490] l18: Bringing 0uV into 2850000-2850000uV > >>> [ 2.490712] non-slab/vmalloc memory > >>> [ 2.495937] l19: Bringing 0uV into 3000000-3000000uV > >>> [ 2.499217] Register r11 information: > >>> [ 2.504461] l20: Bringing 0uV into 2950000-2950000uV > >>> [ 2.506683] slab kmalloc-1k > >>> [ 2.512149] l21: Bringing 0uV into 2950000-2950000uV > >>> [ 2.517361] start c1903000 pointer offset 584 size 1024 > >>> [ 2.517382] Register r12 information: > >>> [ 2.523805] l22: Bringing 0uV into 3000000-3000000uV > >>> [ 2.528556] non-paged memory > >>> [ 2.532414] l23: Bringing 0uV into 3000000-3000000uV > >>> [ 2.535937] Process kworker/u8:0 (pid: 7, stack limit = 0x(ptrval)) > >>> [ 2.541160] l24: Bringing 0uV into 3075000-3075000uV > >>> [ 2.543402] Stack: (0xf0839dd0 to 0xf083a000) > >>> [ 2.543413] 9dc0: c1903000 > >>> c1903000 00000000 7ff15a00 > >>> [ 2.543425] 9de0: 60172703 00000000 c1903000 c1903000 20000013 > >>> c1903084 c1903000 c1903100 > >>> [ 2.627929] 9e00: 00000000 eefe45bc c1903000 00000000 fffffdfb > >>> c1448b9c c1903248 c089036c > >>> [ 2.635613] 9e20: c089027c 00000000 c1903000 c1448b9c c147a260 > >>> 00000000 c14672a0 c180f00d > >>> [ 2.643773] 9e40: c18db480 c0940584 c1903000 00000000 c1903000 > >>> c147a260 c1448b9c 0000000d > >>> [ 2.651933] 9e60: 00000000 c0940950 c29b4380 c33d7380 c14c1fe4 > >>> c1448b9c c1903000 00000000 > >>> [ 2.660092] 9e80: c14672a0 c180f00d c18db480 c0940ae4 fffffdfb > >>> c1448b9c f0839ee4 c1903000 > >>> [ 2.668252] 9ea0: 00000000 c0941190 00000000 f0839ee4 c09410ec > >>> c147a260 00000000 c093e658 > >>> [ 2.676412] 9ec0: c14672a0 c19dab6c c1b44fb8 cb719486 c1903000 > >>> c1903044 00000001 c0940d9c > >>> [ 2.684572] 9ee0: c147a260 c1903000 00000001 cb719486 c1903000 > >>> c1903000 c13f37dc c093f7a0 > >>> [ 2.692731] 9f00: c1903000 c142aeec c142af00 c093fc94 c142af1c > >>> c1803780 c1806800 c180f000 > >>> [ 2.700890] 9f20: 00000000 c033dc60 c1803780 c18db480 c1806800 > >>> c1806800 c180681c c1803780 > >>> [ 2.709050] 9f40: c1806800 c1803798 c180681c c1303d40 c18db480 > >>> 00000088 c1806800 c033e148 > >>> [ 2.717211] 9f60: c1803780 c1303d40 f0821ea0 c18b7040 c18db480 > >>> c033df2c c1803780 c18b7400 > >>> [ 2.725369] 9f80: f0821ea0 00000000 00000000 c03458ac c18b7040 > >>> c03457dc 00000000 00000000 > >>> [ 2.733529] 9fa0: 00000000 00000000 00000000 c0300148 00000000 > >>> 00000000 00000000 00000000 > >>> [ 2.741688] 9fc0: 00000000 00000000 00000000 00000000 00000000 > >>> 00000000 00000000 00000000 > >>> [ 2.749850] 9fe0: 00000000 00000000 00000000 00000000 00000013 > >>> 00000000 00000000 00000000 > >>> [ 2.758012] mmci_probe from amba_probe+0xf0/0x174 > >>> [ 2.766161] amba_probe from really_probe+0xe0/0x40c > >>> [ 2.770847] really_probe from __driver_probe_device+0xa0/0x204 > >>> [ 2.775971] __driver_probe_device from driver_probe_device+0x30/0xc0 > >>> [ 2.781612] driver_probe_device from > >>> __device_attach_driver+0xa4/0x11c > >>> [ 2.788209] __device_attach_driver from bus_for_each_drv+0x80/0xcc > >>> [ 2.794633] bus_for_each_drv from __device_attach+0xa8/0x1f0 > >>> [ 2.800881] __device_attach from bus_probe_device+0x84/0x8c > >>> [ 2.806784] bus_probe_device from deferred_probe_work_func+0x8c/0xd4 > >>> [ 2.812515] deferred_probe_work_func from > >>> process_one_work+0x1fc/0x4c8 > >>> [ 2.818854] process_one_work from worker_thread+0x21c/0x540 > >>> [ 2.825275] worker_thread from kthread+0xd0/0xec > >>> [ 2.831177] kthread from ret_from_fork+0x14/0x2c > >>> [ 2.835775] Exception stack(0xf0839fb0 to 0xf0839ff8) > >>> [ 2.840465] 9fa0: 00000000 > >>> 00000000 00000000 00000000 > >>> [ 2.845509] 9fc0: 00000000 00000000 00000000 00000000 00000000 > >>> 00000000 00000000 00000000 > >>> [ 2.853668] 9fe0: 00000000 00000000 00000000 00000000 00000013 > >>> 00000000 > >>> [ 2.861826] Code: e92d4ff0 e590803c e24dd02c e59061a0 (e5917008) > >>> [ 2.868280] ---[ end trace 0000000000000000 ]--- > >> > >> See the ticket for more details. > >> > >> I'd also like to add the report to the list of tracked regressions to > >> ensure it's doesn't fall through the cracks in the end: > >> > >> #regzbot introduced: v5.19..v6.0-rc2 > >> https://bugzilla.kernel.org/show_bug.cgi?id=216420 > >> #regzbot ignore-activity > >> > >> Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) > >> > >> P.S.: As the Linux kernel's regression tracker I deal with a lot of > >> reports and sometimes miss something important when writing mails like > >> this. If that's the case here, don't hesitate to tell me in a public > >> reply, it's in everyone's interest to set the public record straight. > > > > Hi, > > > > If I'm not wrong, the mmci driver shouldn't be probed for this platform. > > So either there is something wrong with the device tree, or with the > > AMBA bus driver. > > > > > > Best regards, > > Yann > > Maybe this is related (corrected?) with this patch: > https://lkml.org/lkml/2022/8/27/164 This fix is probably this one: https://lore.kernel.org/lkml/20220818172852.3548-1-isaacmanjarres@xxxxxxxxxx/ -Saravana
