https://bugzilla.novell.com/show_bug.cgi?id=423496 User seife@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=423496#c1 Summary: kernel: WARNING: at drivers/usb/serial/usb-serial.c:311 serial_write+0x66/0x84 [usbserial]() Product: openSUSE 11.1 Version: Factory Platform: Other OS/Version: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: oneukum@novell.com ReportedBy: seife@novell.com QAContact: qa@suse.de CC: fseidel@novell.com Found By: Development Hi, while playing around with my novatel xu870 3g card, I got the following in syslog: [12566.763164] ------------[ cut here ]------------ [12566.763178] WARNING: at drivers/usb/serial/usb-serial.c:311 serial_write+0x66/0x84 [usbserial]() [12566.763186] Modules linked in: tun ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt ppp_generic slhc option usbserial iptable_filter ip_tables ip6table_filter ip6_tables x_tables reiserfs usb_storage joydev hidp nfs lockd nfs_acl sunrpc autofs4 ipv6 af_packet microcode binfmt_misc snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq speedstep_lib bridge stp bnep fuse sha256_generic aes_i586 aes_generic cbc usbhid hid ff_memless ohci_hcd dm_crypt loop dm_mod arc4 ecb crypto_blkcipher rfcomm l2cap rfkill snd_hda_intel snd_pcm rtc_cmos snd_timer mac80211 rtc_core pcmcia snd_page_alloc rtc_lib tg3 ohci1394 snd_hwdep video intel_agp btusb led_class yenta_socket snd rsrc_nonstatic ieee1394 iTCO_wdt wmi output battery libphy pcmcia_core serio_raw button ac iTCO_vendor_support cfg80211 agpgart soundcore sr_mod bluetooth pcspkr cdrom sg sd_mod crc_t10dif uhci_hcd ehci_hcd usbcore edd ext3 mbcache jbd fan ata_piix libata scsi_mod dock thermal processor [last unloaded: iwl3945] [12566.763428] Pid: 4, comm: ksoftirqd/0 Tainted: G 2.6.27-rc5-git2-5-pae #1 [12566.763468] [<c010554d>] dump_trace+0x68/0x22c [12566.763493] [<c0105f94>] show_trace+0x1a/0x2e [12566.763508] [<c032a759>] dump_stack+0x60/0x6a [12566.763526] [<c01298df>] warn_on_slowpath+0x46/0x6a [12566.763543] [<f9028536>] serial_write+0x66/0x84 [usbserial] [12566.763591] [<f904e6de>] ppp_async_push+0xcb/0x3c4 [ppp_async] [12566.763614] [<f904ef20>] ppp_async_process+0x51/0x65 [ppp_async] [12566.763637] [<c012dfb7>] tasklet_action+0x7a/0xdb [12566.763653] [<c012e573>] __do_softirq+0x7e/0xec [12566.763667] [<c012e62e>] do_softirq+0x4d/0x5c [12566.763680] [<c012e69b>] ksoftirqd+0x5e/0xcd [12566.763693] [<c013b163>] kthread+0x40/0x66 [12566.763708] [<c0104ff7>] kernel_thread_helper+0x7/0x10 [12566.769030] DWARF2 unwinder stuck at kernel_thread_helper+0x7/0x10 [12566.769035] [12566.769041] Leftover inexact backtrace: [12566.769043] [12566.769054] ======================= [12566.769061] ---[ end trace d1b5f09cdafa579d ]--- I'm not sure what exactly I was doing at the time, but it did not involve removing the card or similar, it was just opening / closing the port, maybe running pppd on on it. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.