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Date: Fri, 25 Aug 2017 17:03:37 -0700
From: sathyanarayanan kuppuswamy
<sathyanarayanan.kuppuswamy@...ux.intel.com>
To: axboe@...nel.dk
Cc: linux-block@...r.kernel.org,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Sathyanarayanan Kuppuswamy Natarajan <sathyaosid@...il.com>
Subject: kernel panic in generic_make_request() in block/blk-core.c
Hi All,
I am trying to use the latest (4.13-rc6) kernel in my android device
(Intel APL SOC, running Android O). But sometimes, during the boot
process, when MMC partition is getting mounted, I hit the following
kernel panic. Its not 100% reproducible. But I hit it twice in 10
cycles. Copied the dmesg log for your reference.
After my initial analysis I found that the panic happens in
generic_make_request(struct bio *bio) function in block/bio-core.c. To
be exact, its happening when q->make_request_fn pointer becomes NULL.
2194 ret = q->make_request_fn(q, bio);
I am wondering whether any of you came across such issue. Please let me
know your comments.
jmp 0x00100000 (setup @0x14430910)
[ 0.262030] ACPI Error: Method parse/execution failed \_SB.PCI0.I2C4.HDAC._CRS, AE_AML_NO_R)
[ 0.262030] ACPI Error: Method execution failed \_SB.PCI0.I2C4.HDAC._CRS, AE_AML_NO_RESOURC)
[ 0.291237] ACPI Error: Method parse/execution failed \_SB.PCI0.I2C4.HDAC._CRS, AE_AML_NO_R)
[ 0.291618] ACPI Error: Method execution failed \_SB.PCI0.I2C4.HDAC._CRS, AE_AML_NO_RESOURC)
[ 0.299845] dmi: Firmware registration failed.
[ 0.355993] intel_punit_ipc intel_punit_ipc: can't request region for resource [mem 0x00000]
[ 0.356507] intel_punit_ipc intel_punit_ipc: can't request region for resource [mem 0x00000]
[ 0.356782] intel_punit_ipc intel_punit_ipc: can't request region for resource [mem 0x00000]
[ 0.357092] intel_punit_ipc intel_punit_ipc: can't request region for resource [mem 0x00000]
[ 0.376350] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x07c
[ 0.784294] intel_powerclamp: CPU does not support MWAIT
[ 0.792623] BUG: sleeping function called from invalid context at /var/work/CodeBase/androi8
[ 0.807057] in_atomic(): 1, irqs_disabled(): 0, pid: 1, name: swapper/0
[ 0.814466] Preemption disabled at:
[ 0.822490] genirq: Setting trigger mode 3 for irq 348 failed (intel_gpio_irq_type+0x0/0x13)
[ 0.833719] dmi-sysfs: dmi entry is absent.
[ 0.841197] sth 0-sth: stm_register_device failed
[ 0.858540] device-mapper: table: 253:0: verity: Data device lookup failed
[ 0.866429] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 0.875181] IP: (null)
[ 0.878784] PGD 0
[ 0.878785] P4D 0
[ 0.881027]
[ 0.884925] Oops: 0010 [#1] PREEMPT SMP
[ 0.889206] Modules linked in:
[ 0.892621] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G U W 4.13.0-rc6-quilt-2e5dc01
[ 0.902446] task: ffff8c1676a06040 task.stack: ffffad7180010000
[ 0.909054] RIP: 0010: (null)
[ 0.913239] RSP: 0000:ffffad7180013a30 EFLAGS: 00010246
[ 0.915596] mmc1: new HS400 MMC card at address 0001
[ 0.915787] mmcblk1: mmc1:0001 R1J56L 14.7 GiB
[ 0.915858] mmcblk1boot0: mmc1:0001 R1J56L partition 1 4.00 MiB
[ 0.915925] mmcblk1boot1: mmc1:0001 R1J56L partition 2 4.00 MiB
[ 0.915995] mmcblk1rpmb: mmc1:0001 R1J56L partition 3 4.00 MiB
[ 0.918195] mmcblk1: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 p13 p14 p15 p16 p17 p18 p19
[ 0.958453] RAX: 0000000000000000 RBX: ffff8c16749f1cc0 RCX: 0000000000000000
[ 0.966429] RDX: 0000000000000000 RSI: ffff8c16749f1cc0 RDI: ffff8c16749c3370
[ 0.974404] RBP: ffffad7180013a88 R08: 0000000000000001 R09: ffff8c16749f1d30
[ 0.982372] R10: fffffc51c9d34d40 R11: ffff8c16754c72c0 R12: ffff8c16749c3370
[ 0.990334] R13: 00000000ffffffff R14: 0000000000000000 R15: 0000000000000000
[ 0.998308] FS: 0000000000000000(0000) GS:ffff8c167fc80000(0000) knlGS:0000000000000000
[ 1.007354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.013771] CR2: 0000000000000000 CR3: 000000019a212000 CR4: 00000000003406e0
[ 1.021757] Call Trace:
[ 1.024499] ? generic_make_request+0x122/0x320
[ 1.029565] submit_bio+0x73/0x160
[ 1.033363] submit_bh_wbc.isra.44+0x113/0x140
[ 1.038323] __bread_gfp+0x67/0x120
[ 1.042207] ext4_fill_super+0x184/0x3880
[ 1.046684] ? vsnprintf+0x201/0x490
[ 1.050676] ? set_bdev_super+0x30/0x30
[ 1.054958] ? snprintf+0x43/0x60
[ 1.058656] mount_bdev+0x17d/0x1b0
[ 1.062548] ? ext4_calculate_overhead+0x430/0x430
[ 1.067905] ext4_mount+0x15/0x20
[ 1.071603] mount_fs+0x153/0x180
[ 1.075302] vfs_kern_mount+0x90/0x180
[ 1.079488] do_mount+0x1e0/0xd00
[ 1.083189] ? _copy_from_user+0x60/0xb0
[ 1.087570] ? memdup_user+0x53/0x80
[ 1.091562] SyS_mount+0x94/0xd0
[ 1.095166] mount_block_root+0x105/0x2c4
[ 1.099641] mount_root+0x6d/0x71
[ 1.103340] prepare_namespace+0x172/0x19f
[ 1.107911] kernel_init_freeable+0x21f/0x243
[ 1.112774] ? rest_init+0xd0/0xd0
[ 1.116569] kernel_init+0xe/0x100
[ 1.120364] ret_from_fork+0x27/0x40
[ 1.124347] Code: Bad RIP value.
[ 1.128051] RIP: (null) RSP: ffffad7180013a30
[ 1.133879] CR2: 0000000000000000
[ 1.137579] ---[ end trace b3d4f4f1eb2bcb37 ]---
[ 1.141014] usb 1-3: new full-speed USB device number 2 using xhci_hcd
[ 1.153684] Kernel panic - not syncing: Fatal exception
[ 1.159540] reboot: panic mode set: p,w
[ 1.163821] Kernel Offset: 0x10000000 from 0xffffffff81000000 (relocation range: 0xffffffff)
[ 1.175871] trusty-log panic notifier - trusty version 14:01:21 Aug 24 2017
[ 1.179503] Rebooting in 10 seconds..
--
Sathyanarayanan Kuppuswamy
Linux kernel developer
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