Hi Andy, Ferry Toth <fntoth@xxxxxxxxx> writes: > This occurs with edison-arduino board, that has a nifty switch allowing > to switch between gadget/host mode. In host mode it boot fine, then > crashes when I flip the switch to gadget. > > The below trace if what I get from the console when booting with gadget > mode selected. > > The last kernel is used where everything is obviously working fine is 5.6.0. > > The kernel is built specifically for the platform, nothing suspcious > going on the the dwc3 area, see > https://github.com/edison-fw/linux/commits/eds-acpi-5.9.0 > > Magic signature found > > Starting kernel ... > > [ 2.395631] Initramfs unpacking failed: invalid magic at start of > compressed archive > Scanning for Btrfs filesystems > Starting version 243.2+ > Kernel with acpi enabled detected > Loading acpi tables > Waiting for root device /dev/mmcblk0p8 > 10Found device '/run/media/mmcblk0p8' > 9Init found, booting... > [ 10.834272] brcmfmac: brcmf_fw_alloc_request: using > brcm/brcmfmac43340-sdio for chip BCM43340/2 > [ 11.179662] brcmfmac: brcmf_fw_alloc_request: using > brcm/brcmfmac43340-sdio for chip BCM43340/2 > [ 11.194223] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available > (err=-2), device may have limited channels available > [ 11.234779] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43340/2 > wl0: Oct 23 2017 08:41:23 version 6.10.190.70 (r674464) FWID 01-98d71006 > [ 12.401620] BUG: unable to handle page fault for address: > 0000000100000000 > [ 12.408496] #PF: supervisor instruction fetch in kernel mode > [ 12.414145] #PF: error_code(0x0010) - not-present page > [ 12.419276] PGD 0 P4D 0 > [ 12.421817] Oops: 0010 [#1] SMP PTI > [ 12.425307] CPU: 0 PID: 488 Comm: irq/15-dwc3 Not tainted > 5.9.0-edison-acpi-standard #1 > [ 12.433297] Hardware name: Intel Corporation Merrifield/BODEGA BAY, > BIOS 542 2015.01.21:18.19.48 > [ 12.442075] RIP: 0010:0x100000000 > [ 12.445382] Code: Bad RIP value. > [ 12.448605] RSP: 0000:ffff9a95403fbbf8 EFLAGS: 00010046 > [ 12.453827] RAX: 0000000100000000 RBX: ffff8ee8bd32f828 RCX: > ffff8ee8bacc4000 > [ 12.460950] RDX: 00000000ffffff94 RSI: ffff8ee8bc01a5a0 RDI: > ffff8ee887228700 > [ 12.468075] RBP: ffff8ee8bc01a5a0 R08: 0000000000000046 R09: > 0000000000000238 > [ 12.475199] R10: 0000000000000004 R11: ffff8ee8ba8ba248 R12: > ffff8ee887228700 > [ 12.482322] R13: ffff8ee8bd32f828 R14: 0000000000000002 R15: > ffff8ee8bae93200 > [ 12.489449] FS: 0000000000000000(0000) GS:ffff8ee8be200000(0000) > knlGS:0000000000000000 > [ 12.497524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 12.503262] CR2: 0000000100000000 CR3: 000000003c5ae000 CR4: > 00000000001006f0 > [ 12.510382] Call Trace: > [ 12.512841] ? dwc3_gadget_giveback+0xbf/0x120 > [ 12.517286] ? __dwc3_gadget_ep_disable+0xc5/0x250 > [ 12.522077] ? dwc3_gadget_ep_disable+0x3d/0xd0 > [ 12.526608] ? usb_ep_disable+0x1d/0x80 > [ 12.530451] ? u_audio_stop_capture+0x87/0x9a [u_audio] > [ 12.535680] ? afunc_set_alt+0x73/0x80 [usb_f_uac2] > [ 12.540562] ? composite_setup+0x20f/0x1b20 [libcomposite] > [ 12.546053] ? configfs_composite_setup+0x6b/0x90 [libcomposite] > [ 12.552060] ? configfs_composite_setup+0x6b/0x90 [libcomposite] > [ 12.558062] ? dwc3_ep0_delegate_req+0x24/0x40 > [ 12.562502] ? dwc3_ep0_interrupt+0x40a/0x9d8 > [ 12.566858] ? dwc3_thread_interrupt+0x880/0xf70 > [ 12.571475] ? __schedule+0x3ee/0x640 > [ 12.575143] ? irq_forced_thread_fn+0x70/0x70 > [ 12.579497] ? irq_thread_fn+0x1b/0x60 > [ 12.583245] ? irq_thread+0xd3/0x150 > [ 12.586821] ? wake_threads_waitq+0x30/0x30 > [ 12.591001] ? irq_thread_dtor+0x80/0x80 > [ 12.594925] ? kthread+0xf9/0x130 > [ 12.598238] ? kthread_park+0x80/0x80 > [ 12.601901] ? ret_from_fork+0x22/0x30 > [ 12.605644] Modules linked in: spi_pxa2xx_platform dw_dmac usb_f_uac2 > u_audio usb_f_mass_storage usb_f_eem u_ether usb_f_serial u_serial > libcomposite pwm_lpss_pci snd_sof_pci snd_sof_intel_byt pwm_lpss > snd_sof_intel_ipc snd_sof_xtensa_dsp intel_mrfld_pwrbtn intel_mrfld_adc > snd_sof snd_sof_nocodec snd_soc_acpi spi_pxa2xx_pci brcmfmac brcmutil > leds_gpio hci_uart btbcm ti_ads7950 industrialio_triggered_buffer > kfifo_buf spidev ledtrig_heartbeat mmc_block extcon_intel_mrfld > sdhci_pci cqhci sdhci led_class mmc_core intel_soc_pmic_mrfld btrfs > libcrc32c xor zstd_compress zlib_deflate raid6_pq > [ 12.657416] CR2: 0000000100000000 > [ 12.660729] ---[ end trace 9b92dea6da33c71e ]--- It this something you can reproduce on your end? Ferry, can you get dwc3 trace logs when this happens? ftrace_dump_on_oops may help here. -- balbi
Attachment:
signature.asc
Description: PGP signature
