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Message-ID: <45F57BB8.5010705@rtr.ca> Date: Mon, 12 Mar 2007 12:11:36 -0400 From: Mark Lord <lkml@....ca> To: Greg KH <greg@...ah.com> Cc: Oliver Neukum <oneukum@...e.de>, Adrian Bunk <bunk@...sta.de>, Andrew Morton <akpm@...ux-foundation.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: [BUG} usb-serial regression in 2.6.21-rc2-git3 Mark Lord wrote: > Greg KH wrote: >> Does userspace have it open when you suspend/resume? > > For the ooops I just posted, yes, I may have left Linux ckermit > running on the serial port before the suspend. Here's a retest under linux-2.6.21-rc3-git7, doing suspend/resume (RAM) with ckermit open on the serial port. (LONG, Ooops at the bottom). 12:06:54 kernel: Stopping tasks ... done. 12:06:54 kernel: Suspending console(s) 12:06:54 kernel: pl2303 5-5.3:1.0: no suspend for driver pl2303? 12:06:54 kernel: ACPI: PCI interrupt for device 0000:03:01.2 disabled 12:06:54 kernel: ACPI: PCI interrupt for device 0000:03:00.0 disabled 12:06:54 kernel: ACPI: PCI interrupt for device 0000:00:1f.2 disabled 12:06:54 kernel: ACPI: PCI interrupt for device 0000:00:1e.2 disabled 12:06:54 kernel: ACPI: PCI interrupt for device 0000:00:1d.7 disabled 12:06:54 kernel: ACPI: PCI interrupt for device 0000:00:1d.3 disabled 12:06:54 kernel: ACPI: PCI interrupt for device 0000:00:1d.2 disabled 12:06:54 kernel: ACPI: PCI interrupt for device 0000:00:1d.1 disabled 12:06:54 kernel: ACPI: PCI interrupt for device 0000:00:1d.0 disabled 12:06:54 kernel: Intel machine check architecture supported. 12:06:54 kernel: Intel machine check reporting enabled on CPU#0. 12:06:54 kernel: Back to C! 12:06:54 kernel: PM: Writing back config space on device 0000:00:01.0 at offset 7 (was 2000d0d0, writing d0d0) 12:06:54 kernel: PM: Writing back config space on device 0000:00:01.0 at offset 3 (was 10000, writing 10010) 12:06:54 kernel: PCI: Setting latency timer of device 0000:00:01.0 to 64 12:06:54 kernel: ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 16 (level, low) -> IRQ 16 12:06:54 kernel: PCI: Setting latency timer of device 0000:00:1d.0 to 64 12:06:54 kernel: usb usb1: root hub lost power or was reset 12:06:54 kernel: PCI: Enabling device 0000:00:1d.1 (0000 -> 0001) 12:06:54 kernel: ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 17 (level, low) -> IRQ 18 12:06:54 kernel: PCI: Setting latency timer of device 0000:00:1d.1 to 64 12:06:54 kernel: PM: Writing back config space on device 0000:00:1d.1 at offset f (was 200, writing 20a) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1d.1 at offset 8 (was 1, writing bf61) 12:06:54 kernel: usb usb2: root hub lost power or was reset 12:06:54 kernel: PCI: Enabling device 0000:00:1d.2 (0000 -> 0001) 12:06:54 kernel: ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 19 12:06:54 kernel: PCI: Setting latency timer of device 0000:00:1d.2 to 64 12:06:54 kernel: PM: Writing back config space on device 0000:00:1d.2 at offset f (was 300, writing 309) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1d.2 at offset 8 (was 1, writing bf41) 12:06:54 kernel: usb usb3: root hub lost power or was reset 12:06:54 kernel: PCI: Enabling device 0000:00:1d.3 (0000 -> 0001) 12:06:54 kernel: ACPI: PCI Interrupt 0000:00:1d.3[D] -> GSI 19 (level, low) -> IRQ 17 12:06:54 kernel: PCI: Setting latency timer of device 0000:00:1d.3 to 64 12:06:54 kernel: PM: Writing back config space on device 0000:00:1d.3 at offset f (was 400, writing 407) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1d.3 at offset 8 (was 1, writing bf21) 12:06:54 kernel: usb usb4: root hub lost power or was reset 12:06:54 kernel: ACPI: PCI Interrupt 0000:00:1d.7[A] -> GSI 16 (level, low) -> IRQ 16 12:06:54 kernel: PCI: Setting latency timer of device 0000:00:1d.7 to 64 12:06:54 kernel: usb usb5: root hub lost power or was reset 12:06:54 kernel: ehci_hcd 0000:00:1d.7: debug port 1 12:06:54 kernel: PCI: cache line size of 32 is not supported by device 0000:00:1d.7 12:06:54 kernel: PM: Writing back config space on device 0000:00:1e.0 at offset 9 (was 10001, writing 8bf18801) 12:06:54 NetworkManager: <information>^ISWITCH: terminating current connection 'eth0' because it's no longer valid. 12:06:54 NetworkManager: <information>^IDeactivating device eth0. 12:06:54 kernel: PM: Writing back config space on device 0000:00:1e.0 at offset 8 (was 0, writing dfc0dfc0) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1e.0 at offset 7 (was 2280e0f0, writing 22802020) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1e.0 at offset 6 (was 20030300, writing 20070300) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1e.0 at offset 1 (was 100005, writing 100107) 12:06:54 kernel: PCI: Setting latency timer of device 0000:00:1e.0 to 64 12:06:54 kernel: PM: Writing back config space on device 0000:00:1e.2 at offset f (was 100, writing 10b) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1e.2 at offset 7 (was 0, writing dffffd00) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1e.2 at offset 6 (was 0, writing dffffe00) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1e.2 at offset 5 (was 1, writing ec41) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1e.2 at offset 4 (was 1, writing ed01) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1e.2 at offset 1 (was 2900000, writing 2900003) 12:06:54 kernel: ACPI: PCI Interrupt 0000:00:1e.2[A] -> GSI 16 (level, low) -> IRQ 16 12:06:54 kernel: PCI: Setting latency timer of device 0000:00:1e.2 to 64 12:06:54 kernel: PM: Writing back config space on device 0000:00:1f.0 at offset 1 (was 2000007, writing 2000107) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1f.2 at offset f (was 200, writing 20a) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1f.2 at offset 9 (was d0000, writing 0) 12:06:54 kernel: ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 17 (level, low) -> IRQ 18 12:06:54 kernel: PCI: Setting latency timer of device 0000:00:1f.2 to 64 12:06:54 kernel: PM: Writing back config space on device 0000:00:1f.3 at offset f (was 200, writing 20a) 12:06:54 kernel: PM: Writing back config space on device 0000:00:1f.3 at offset 1 (was 2800001, writing 2800101) 12:06:54 kernel: PM: Writing back config space on device 0000:01:00.0 at offset f (was 1ff, writing 10b) 12:06:54 kernel: PM: Writing back config space on device 0000:01:00.0 at offset c (was 0, writing dfe00000) 12:06:54 kernel: PM: Writing back config space on device 0000:01:00.0 at offset 3 (was 0, writing 10) 12:06:54 kernel: ACPI: PCI Interrupt 0000:01:00.0[A] -> GSI 16 (level, low) -> IRQ 16 12:06:54 kernel: PM: Writing back config space on device 0000:03:00.0 at offset f (was 100, writing 109) 12:06:54 kernel: PM: Writing back config space on device 0000:03:00.0 at offset 4 (was 0, writing dfcfe000) 12:06:54 kernel: PM: Writing back config space on device 0000:03:00.0 at offset 3 (was 0, writing 4000) 12:06:54 kernel: PM: Writing back config space on device 0000:03:00.0 at offset 1 (was 100000, writing 100106) 12:06:54 kernel: ACPI: PCI Interrupt 0000:03:00.0[A] -> GSI 18 (level, low) -> IRQ 19 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.0 at offset f (was 7800100, writing 58001ff) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.0 at offset e (was 0, writing 24fc) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.0 at offset d (was 0, writing 2400) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.0 at offset c (was 0, writing 20fc) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.0 at offset b (was 0, writing 2000) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.0 at offset a (was 0, writing 8ffff000) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.0 at offset 9 (was 0, writing 8c000000) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.0 at offset 8 (was 0, writing 8bfff000) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.0 at offset 7 (was 0, writing 88000000) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.0 at offset 6 (was 0, writing b0070403) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.0 at offset 4 (was 0, writing dfc00000) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.0 at offset 3 (was 820000, writing 82a800) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.1 at offset 4 (was 0, writing dfcfc800) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.1 at offset 3 (was 800000, writing 804000) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.1 at offset 1 (was 2100000, writing 2100106) 12:06:54 kernel: ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[19] MMIO=[dfcfc800-dfcfcfff] Max Packet=[2048] IR/IT contexts=[4/4] 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.2 at offset 4 (was 0, writing dfcfc700) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.2 at offset 3 (was 800000, writing 804000) 12:06:54 kernel: PM: Writing back config space on device 0000:03:01.2 at offset 1 (was 2100000, writing 2100106) 12:06:54 kernel: ACPI: PCI Interrupt 0000:03:01.2[C] -> GSI 17 (level, low) -> IRQ 18 12:06:54 kernel: PM: Writing back config space on device 0000:03:03.0 at offset f (was 18030100, writing 1803010a) 12:06:54 kernel: PM: Writing back config space on device 0000:03:03.0 at offset 4 (was 0, writing dfcfd000) 12:06:54 kernel: PM: Writing back config space on device 0000:03:03.0 at offset 3 (was 0, writing 4010) 12:06:54 kernel: PM: Writing back config space on device 0000:03:03.0 at offset 1 (was 2900000, writing 2900112) 12:06:54 kernel: pnp: Device 00:04 does not support activation. 12:06:54 kernel: pnp: Device 00:05 does not support activation. 12:06:54 kernel: usbdev5.2_ep00: PM: resume from 0, parent 5-5 still 2 12:06:54 kernel: hub 5-5:1.0: PM: resume from 2, parent 5-5 still 2 12:06:54 kernel: usbdev5.2_ep81: PM: resume from 0, parent 5-5:1.0 still 2 12:06:54 kernel: usbdev5.2: PM: resume from 0, parent 5-5 still 2 12:06:54 kernel: usb 5-5.3: PM: resume from 2, parent 5-5 still 2 12:06:54 kernel: usbdev5.3_ep00: PM: resume from 0, parent 5-5.3 still 2 12:06:54 kernel: pl2303 5-5.3:1.0: PM: resume from 2, parent 5-5.3 still 2 12:06:54 kernel: usbdev5.3_ep81: PM: resume from 0, parent 5-5.3:1.0 still 2 12:06:54 kernel: usbdev5.3_ep02: PM: resume from 0, parent 5-5.3:1.0 still 2 12:06:54 kernel: usbdev5.3_ep83: PM: resume from 0, parent 5-5.3:1.0 still 2 12:06:54 kernel: usbdev5.3: PM: resume from 0, parent 5-5.3 still 2 12:06:54 kernel: usb 5-5.4: PM: resume from 2, parent 5-5 still 2 12:06:54 kernel: usbdev5.4_ep00: PM: resume from 0, parent 5-5.4 still 2 12:06:54 kernel: usbhid 5-5.4:1.0: PM: resume from 2, parent 5-5.4 still 2 12:06:54 kernel: usbdev5.4_ep81: PM: resume from 0, parent 5-5.4:1.0 still 2 12:06:54 kernel: usbdev5.4: PM: resume from 0, parent 5-5.4 still 2 12:06:54 kernel: pl2303 ttyUSB0: PM: resume from 0, parent 5-5.3:1.0 still 2 12:06:54 kernel: Restarting tasks ... done. 12:06:54 kernel: usb 5-5: USB disconnect, address 2 12:06:54 kernel: usb 5-5.3: USB disconnect, address 3 12:06:54 kernel: pl2303 5-5.3:1.0: device disconnected 12:06:54 kernel: usb 5-5.4: USB disconnect, address 4 12:06:54 kernel: ata1.00: configured for UDMA/100 12:06:54 kernel: SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB) 12:06:54 kernel: sda: Write Protect is off 12:06:54 kernel: sda: Mode Sense: 00 3a 00 00 12:06:54 dhclient: DHCPRELEASE on eth0 to 10.0.0.2 port 67 12:06:54 kernel: SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA 12:06:54 dhcdbd: dhco_value_from_text: Non ascii char outside valid hex string: 0 12:06:54 dhcdbd: dhco_input_option: Value silvy cannot be converted to type X 12:06:54 dhcdbd: dhco_parse_option_settings: bad option setting: old_host_name = silvy 12:06:54 kernel: usb 5-5: new high speed USB device using ehci_hcd and address 5 12:06:54 kernel: usb 5-5: configuration #1 chosen from 1 choice 12:06:55 kernel: hub 5-5:1.0: USB hub found 12:06:55 kernel: hub 5-5:1.0: 4 ports detected 12:06:55 kernel: ata2.00: configured for UDMA/33 12:06:55 kernel: [drm] Loading R300 Microcode 12:06:55 kernel: usb 5-5.3: new full speed USB device using ehci_hcd and address 6 12:06:55 kernel: usb 5-5.3: configuration #1 chosen from 1 choice 12:06:55 kernel: pl2303 5-5.3:1.0: pl2303 converter detected 12:06:55 kernel: usb 5-5.3: pl2303 converter now attached to ttyUSB1 12:06:55 NetworkManager: nm_device_is_802_3_ethernet: assertion `dev != NULL' failed 12:06:55 NetworkManager: nm_device_is_802_11_wireless: assertion `dev != NULL' failed 12:06:55 NetworkManager: <information>^Imatch 12:06:55 NetworkManager: <information>^Imatch 12:06:55 kernel: usb 5-5.4: new low speed USB device using ehci_hcd and address 7 12:06:55 kernel: usb 5-5.4: configuration #1 chosen from 1 choice 12:06:55 kernel: input: Logitech Optical USB Mouse as /class/input/input8 12:06:55 kernel: input: USB HID v1.10 Mouse [Logitech Optical USB Mouse] on usb-0000:00:1d.7-5.4 12:06:56 kernel: b44: eth0: Link is up at 100 Mbps, full duplex. 12:06:56 kernel: b44: eth0: Flow control is off for TX and off for RX. 12:06:56 NetworkManager: <information>^IWill activate wired connection 'eth0' because it now has a link. 12:06:56 NetworkManager: <information>^ISWITCH: no current connection, found better connection 'eth0'. 12:06:56 NetworkManager: <information>^IWill activate connection 'eth0'. 12:06:56 NetworkManager: <information>^IDevice eth0 activation scheduled... 12:06:56 NetworkManager: <information>^IActivation (eth0) started... 12:06:56 NetworkManager: <information>^IActivation (eth0) Stage 1 of 5 (Device Prepare) scheduled... 12:06:56 NetworkManager: <information>^IActivation (eth0) Stage 1 of 5 (Device Prepare) started... 12:06:56 NetworkManager: <information>^IActivation (eth0) Stage 2 of 5 (Device Configure) scheduled... 12:06:56 NetworkManager: <information>^IActivation (eth0) Stage 1 of 5 (Device Prepare) complete. 12:06:56 NetworkManager: <information>^IActivation (eth0) Stage 2 of 5 (Device Configure) starting... 12:06:56 NetworkManager: <information>^IActivation (eth0) Stage 2 of 5 (Device Configure) successful. 12:06:56 NetworkManager: <information>^IActivation (eth0) Stage 3 of 5 (IP Configure Start) scheduled. 12:06:56 NetworkManager: <information>^IActivation (eth0) Stage 2 of 5 (Device Configure) complete. 12:06:56 NetworkManager: <information>^IActivation (eth0) Stage 3 of 5 (IP Configure Start) started... 12:06:56 NetworkManager: <information>^Imatch 12:06:57 NetworkManager: <information>^IActivation (eth0) Beginning DHCP transaction. 12:06:57 NetworkManager: <information>^IActivation (eth0) Stage 3 of 5 (IP Configure Start) complete. 12:06:57 NetworkManager: <information>^IDHCP daemon state is now 12 (successfully started) for interface eth0 12:06:58 NetworkManager: <information>^IDHCP daemon state is now 1 (starting) for interface eth0 12:06:59 dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 3 12:06:59 dhclient: DHCPOFFER from 10.0.0.2 12:06:59 dhclient: DHCPREQUEST on eth0 to 255.255.255.255 port 67 12:06:59 dhclient: DHCPACK from 10.0.0.2 12:06:59 dhclient: bound to 10.0.0.14 -- renewal in 34884 seconds. 12:06:59 kernel: pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0 12:06:59 kernel: BUG: unable to handle kernel NULL pointer dereference at virtual address 00000168 12:06:59 kernel: printing eip: 12:06:59 kernel: f89fe1f6 12:06:59 kernel: *pde = 00000000 12:06:59 kernel: Oops: 0000 [#1] 12:06:59 kernel: PREEMPT 12:06:59 kernel: Modules linked in: radeon drm nfsd exportfs lockd nfs_acl sunrpc acpi_cpufreq cpufreq_ondemand cpufreq_powersave cpufreq_userspace cpufreq_stats freq_table cpufreq_conservative ac fan button thermal video battery container processor rfcomm l2cap bluetooth cfq_iosched deflate zlib_deflate twofish twofish_common serpent blowfish des cbc ecb blkcipher aes xcbc sha256 sha1 crypto_null af_key af_packet sbp2 usbhid hid pl2303 usbserial mousedev pcmcia snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer ipw2200 snd ieee80211 ieee80211_crypt ohci1394 serio_raw psmouse soundcore snd_page_alloc pcspkr sdhci firmware_class ahci ieee1394 yenta_socket rsrc_nonstatic pcmcia_core ehci_hcd mmc_core b44 mii uhci_hcd usbcore intel_agp agpgart sg sr_mod cdrom unix 12:06:59 kernel: CPU: 0 12:06:59 kernel: EIP: 0060:[<f89fe1f6>] Not tainted VLI 12:06:59 kernel: EFLAGS: 00010297 (2.6.21-rc3-git7 #7) 12:06:59 kernel: EIP is at pl2303_shutdown+0x37/0x70 [pl2303] 12:06:59 kernel: eax: 00000000 ebx: f7560d80 ecx: c20df5c0 edx: f89fe1bf 12:06:59 kernel: esi: f7560d80 edi: 00000000 ebp: f7560d80 esp: f5d45e78 12:06:59 kernel: ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 12:06:59 kernel: Process kermit (pid: 4403, ti=f5d44000 task=f5cdb0b0 task.ti=f5d44000) 12:06:59 kernel: Stack: c01ab1b5 f7b39a78 00000000 f7560d80 00000001 00000000 00000000 f8a29ca1 12:06:59 kernel: 00200200 f7b39a00 f7b39a08 f5f71bc0 f7560db4 f8a29c18 c01ab1b5 c01e5b0c 12:06:59 kernel: f5f634cc f5f63400 f5f63400 f5f63400 f5f71bc0 c01e7758 f6c4bc40 c0138a0a 12:06:59 kernel: Call Trace: 12:06:59 kernel: [kref_put+95/110] kref_put+0x5f/0x6e 12:06:59 kernel: [<f8a29ca1>] destroy_serial+0x89/0x122 [usbserial] 12:06:59 kernel: [<f8a29c18>] destroy_serial+0x0/0x122 [usbserial] 12:06:59 kernel: [kref_put+95/110] kref_put+0x5f/0x6e 12:06:59 kernel: [tty_fasync+60/180] tty_fasync+0x3c/0xb4 12:06:59 kernel: [release_dev+484/1496] release_dev+0x1e4/0x5d8 12:06:59 kernel: [find_get_page+21/69] find_get_page+0x15/0x45 12:06:59 kernel: [filemap_nopage+385/726] filemap_nopage+0x181/0x2d6 12:06:59 kernel: [pty_write+43/53] pty_write+0x2b/0x35 12:06:59 kernel: [getnstimeofday+48/216] getnstimeofday+0x30/0xd8 12:06:59 kernel: [enqueue_hrtimer+256/268] enqueue_hrtimer+0x100/0x10c 12:06:59 kernel: [tty_release+15/24] tty_release+0xf/0x18 12:06:59 kernel: [__fput+150/336] __fput+0x96/0x150 12:06:59 kernel: [filp_close+79/86] filp_close+0x4f/0x56 12:06:59 kernel: [sys_close+117/183] sys_close+0x75/0xb7 12:06:59 kernel: [sysenter_past_esp+95/133] sysenter_past_esp+0x5f/0x85 12:06:59 kernel: ======================= 12:06:59 kernel: Code: 2c a0 f8 00 74 1c c7 44 24 08 2f 04 a0 f8 c7 44 24 04 33 05 a0 f8 c7 04 24 09 06 a0 f8 e8 8f 9e 71 c7 89 ee 31 ff eb 2c 8b 46 14 <8b> 98 68 01 00 00 85 db 74 1b 8b 03 e8 f9 fd ff ff 89 d8 e8 95 12:06:59 kernel: EIP: [<f89fe1f6>] pl2303_shutdown+0x37/0x70 [pl2303] SS:ESP 0068:f5d45e78 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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