On Tue, Mar 22, 2016 at 03:17:08AM +0000, Lipengcheng wrote: > Hi, > Thanks for your reply. > When the suspend and resume process , the operation of press ctrl + c will > produce an interruput and cause to allocate memory failed. It causes the usb3 > module can not be used and core dump after resume process.
what are you pressing ctrl+c on? Why would that do anything on a USB keyboard to interrupt the host? > Software call flow: > |xhci_resume > ||xhci_init > |||xhci_mem_init > |||| dma_alloc_coherent > |||||dma_alloc_from_contiguous > In dma_alloc_from_contiguous return -4 (Interrupted system call). Is this in some type of emulator? > > Core dump information： > > Vi Resume OK > PM resume OK > usb usb1: root hub lost power or was reset > usb usb2: root hub lost power or was reset > ^Cusb usb3: root hub lost power or was reset > usb usb4: root hub lost power or was reset > usb usb5: root hub lost power or was reset > usb usb6: root hub lost power or was reset > hiusb-xhci hiusb-xhci.0: Couldn't initialize memory > Unable to handle kernel NULL pointer dereference at virtual address 00000000 > pgd = a7324000 > [00000000] *pgd=27265831, *pte=00000000, *ppte=00000000 > Internal error: Oops: 817 [#1] SMP ARM > Modules linked in: tntfs(PO) xhci_hcd ohci_hcd ehci_hcd hi_pmoc(O) hi_vi(O) > hi_keyled(O) hi_aenc(O) hi_venc(O) hi_png(O) hi_jpge(O) hi_jpeg(O) hi_ir(O) > hi_fb(O) hi_pwm(O) hi_mce(O) hi_avplay(O) hi_pvr(O) hi_sync(O) hi_vou(O) > hi_aiao(O) hi_adsp(O) hi_hdmi(O) hi_cipher(O) hi_vdec(O) hi_vpss(O) hi_pq(O) > hi_pdm(O) hi_svdec(O) hi_vfmw(O) hi_adec(O) hi_demux(O) hi_otp(O) hi_tde(O) > mali(O) hi_i2c(O) hi_gpio_i2c(O) hi_gpio(O) hi_common(O) hi_mmz(O) hi_media(O) > CPU: 0 PID: 1113 Comm: sample_pmoc Tainted: P O 3.10.0_s40 #1 Can you remove all of your "custom" and closed source kernel drivers? Also 3.10 is very old and obsolete, please work with the company that is forcing you to use such a kernel version, as you are paying for support from them. Does this happen on 4.5? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
