On Tue, Jan 06, 2015 at 11:47:29AM +0100, JPT wrote: > Hi Greg > > Am 06.01.2015 um 02:54 schrieb Greg KH: > > > > Is that where the kernel panics show the problem happens? Without them, > > there's nothing we can do to help out except randomly guess, sorry. > > well. at least xhci is contained in the call stack: > > > [<c02fc948>] (crc32_be) from [<bf01dbc8>] (dvb_dmx_crc32+0x10/0x18 [dvb_core]) > > [<bf01dbc8>] (dvb_dmx_crc32 [dvb_core]) from [<bf01c7ec>] (dvb_dmx_swfilter_section_copy_dump+0x254/0x268 [dvb_core]) > > [<bf01c7ec>] (dvb_dmx_swfilter_section_copy_dump [dvb_core]) from [<bf01cef4>] (dvb_dmx_swfilter_packet+0x45c/0x564 [dvb_core]) > > [<bf01cef4>] (dvb_dmx_swfilter_packet [dvb_core]) from [<bf01d14c>] (dvb_dmx_swfilter+0xf4/0x164 [dvb_core]) > > [<bf01d14c>] (dvb_dmx_swfilter [dvb_core]) from [<bf03bebc>] (usb_urb_complete+0xbc/0xe4 [dvb_usb]) > > [<bf03bebc>] (usb_urb_complete [dvb_usb]) from [<c0401e44>] (__usb_hcd_giveback_urb+0x5c/0xe8) > > [<c0401e44>] (__usb_hcd_giveback_urb) from [<c042a8d0>] (xhci_irq+0x8d8/0x1e08) > > [<c042a8d0>] (xhci_irq) from [<c0048f40>] (handle_irq_event_percpu+0x78/0x140) > > [<c0048f40>] (handle_irq_event_percpu) from [<c0049030>] (handle_irq_event+0x28/0x38) > > [<c0049030>] (handle_irq_event) from [<c004b1d8>] (handle_simple_irq+0x64/0xa8) > > [<c004b1d8>] (handle_simple_irq) from [<c004886c>] (generic_handle_irq+0x2c/0x3c) > > [<c004886c>] (generic_handle_irq) from [<c000f608>] (handle_IRQ+0x38/0x84) > > [<c000f608>] (handle_IRQ) from [<c030bba0>] (armada_370_xp_handle_msi_irq+0x9c/0xa0) > > [<c030bba0>] (armada_370_xp_handle_msi_irq) from [<c00084f0>] (armada_370_xp_handle_irq+0x5c/0x60) > > [<c00084f0>] (armada_370_xp_handle_irq) from [<c00126c0>] (__irq_svc+0x40/0x54) > > > It's always the same stack, but different errors: > > kernelpanic0.log: Unhandled prefetch abort: unknown 25 (0x409) at 0xc02fc948 > kernelpanic0.log: Internal error: : 409 [#1] ARM > > kernelpanic1.log: Unhandled prefetch abort: unknown 25 (0x409) at 0xc02fc948 > kernelpanic1.log: Internal error: : 409 [#1] ARM > > kernelpanic2.log: Internal error: Oops: 815 [#1] ARM > > kernelpanic3.log: Unhandled prefetch abort: unknown 25 (0x409) at 0xc0301228 > kernelpanic3.log: Internal error: : 409 [#1] ARM > > kernelpanic4.log: Unhandled prefetch abort: unknown 0 (0x000) at 0xc0301228 > kernelpanic4.log: Internal error: : 0 [#1] ARM > > > I added a printk to dvb_dmx_crc32() (see dvb.log). This probably > introduced more problems, because irq code has to be fast? > During recording through USB2 this code made the system not crash but it > wasn't able to answer any request (SSH, HTTP, login from serial console ...) > > > Is this info useful? > I attached only one of the kernel panic logs. If you would like to see > the others, please tell me. > I am not sure if the dvb.log tells something of worth at all. > > > Jan > [ 57.646235] dvb_dmx_crc32(dvb_demux_feed e0d4b13c, src: e0d4b154, len 18 > [ 57.688218] dvb_dmx_crc32(dvb_demux_feed e0d4d3b4, src: e0d4d3cc, len 97 > [ 57.695163] dvb_dmx_crc32(dvb_demux_feed e0d4a000, src: e0d4a018, len 28 > [ 57.702105] xhci_hcd 0000:01:00.0: ERROR Unknown event condition, HC probably busted > [ 57.709920] xhci_hcd 0000:01:00.0: ERROR Unknown event condition, HC probably busted > [ 57.717924] xhci_hcd 0000:01:00.0: ERROR Unknown event condition, HC probably busted > [ 57.725728] xhci_hcd 0000:01:00.0: ERROR Unknown event condition, HC probably busted Those messages look kind of important, right? :) Perhaps something is wrong with your hardware, you are using the 3.17 kernel release, does this also happen on 3.18? Do you have any xhci patches in your tree for this specific ARM hardware? > [ 57.748820] dvb_dmx_crc32(dvb_demux_feed e0d4d3b4, src: e0d4d3cc, len 97 > [ 57.755715] dvb_dmx_crc32(dvb_demux_feed e0d4a000, src: e0d4a018, len 28 > [ 57.762668] xhci_hcd 0000:01:00.0: ERROR Unknown event condition, HC probably busted > [ 57.770454] xhci_hcd 0000:01:00.0: ERROR Unknown event condition, HC probably busted > [ 57.782462] dvb_dmx_crc32(dvb_demux_feed e0d53b1c, src: e0d53b34, len 95 > [ 57.789220] dvb_dmx_crc32(dvb_demux_feed e0d529e0, src: e0d529f8, len 95 > [ 57.795992] dvb_dmx_crc32(dvb_demux_feed e0d518a4, src: e0d518bc, len 95 > [ 57.809074] dvb_dmx_crc32(dvb_demux_feed e0d4d3b4, src: e0d4d3cc, len 97 > [ 57.815970] dvb_dmx_crc32(dvb_demux_feed e0d4a000, src: e0d4a018, len 28 > [ 57.822902] xhci_hcd 0000:01:00.0: ERROR Unknown event condition, HC probably busted > [ 57.830687] xhci_hcd 0000:01:00.0: ERROR Unknown event condition, HC probably busted > [ 57.839677] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 4 comp_code 13 > [ 57.850079] xhci_hcd 0000:01:00.0: Looking for event-dma 000000001e5e2250 trb-start 000000001e5e22c0 trb-end 000000001e5e22c0 seg-start 000000001e5e2000 seg-end 000000001e5e23f0 > [ 57.865968] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 4 comp_code 13 > [ 57.876364] xhci_hcd 0000:01:00.0: Looking for event-dma 000000001e5e2260 trb-start 000000001e5e22c0 trb-end 000000001e5e22c0 seg-start 000000001e5e2000 seg-end 000000001e5e23f0 > [ 57.892252] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 4 comp_code 13 > [ 57.902647] xhci_hcd 0000:01:00.0: Looking for event-dma 000000001e5e2270 trb-start 000000001e5e22c0 trb-end 000000001e5e22c0 seg-start 000000001e5e2000 seg-end 000000001e5e23f0 > [ 57.918534] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 4 comp_code 1 > [ 57.928843] xhci_hcd 0000:01:00.0: Looking for event-dma 000000001e5e2280 trb-start 000000001e5e22c0 trb-end 000000001e5e22c0 seg-start 000000001e5e2000 seg-end 000000001e5e23f0 > [ 57.944731] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 4 comp_code 1 > [ 57.955038] xhci_hcd 0000:01:00.0: Looking for event-dma 000000001e5e2290 trb-start 000000001e5e22c0 trb-end 000000001e5e22c0 seg-start 000000001e5e2000 seg-end 000000001e5e23f0 > [ 57.970926] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 4 comp_code 13 > [ 57.981321] xhci_hcd 0000:01:00.0: Looking for event-dma 000000001e5e22a0 trb-start 000000001e5e22c0 trb-end 000000001e5e22c0 seg-start 000000001e5e2000 seg-end 000000001e5e23f0 > [ 57.997209] xhci_hcd 0000:01:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 4 comp_code 13 > [ 58.007603] xhci_hcd 0000:01:00.0: Looking for event-dma 000000001e5e22b0 trb-start 000000001e5e22c0 trb-end 000000001e5e22c0 seg-start 000000001e5e2000 seg-end 000000001e5e23f0 > [ 58.023733] dvb_dmx_crc32(dvb_demux_feed e0d53b1c, src: e0d53b34, len 95 > [ 58.030480] dvb_dmx_crc32(dvb_demux_feed e0d529e0, src: e0d529f8, len 95 > [ 58.037245] dvb_dmx_crc32(dvb_demux_feed e0d518a4, src: e0d518bc, len 95 > [ 58.044101] xhci_hcd 0000:01:00.0: ERROR Unknown event condition, HC probably busted > [ 58.051885] xhci_hcd 0000:01:00.0: ERROR Unknown event condition, HC probably busted > [ 63.639927] xhci_hcd 0000:01:00.0: xHCI host not responding to stop endpoint command. > [ 63.647805] xhci_hcd 0000:01:00.0: Assuming host is dying, halting host. > [ 63.654586] xhci_hcd 0000:01:00.0: HC died; cleaning up > [ 63.659999] dvb-usb: error -110 while querying for an remote control event. > [ 63.667006] usb 1-1: USB disconnect, device number 3 > [ 63.672317] technisat-usb2: i2c-error: out failed 68 = -19 > ... repeated 20 times ... > [ 76.259401] dvb-usb: Technisat SkyStar USB HD (DVB-S/S2) successfully deinitialized and disconnected. > > Unhandled prefetch abort: unknown 25 (0x409) at 0xc02fc948 > Internal error: : 409 [#1] ARM I don't know enough about arm, but this looks like some odd hardware issue, and not a "normal" kernel oops report, right? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
