CC´d bad patch author Chuansheng as well as Ingo and Thomas as the issue seems to be thread irqs related.
Am Mittwoch, 7. November 2012 schrieb Martin Steigerwald: > Am Mittwoch, 7. November 2012 schrieb Greg Kroah-Hartman: > > On Wed, Nov 07, 2012 at 03:01:38PM +0100, Martin Steigerwald wrote: > > > Hi! > > > > > > I had this with something in between 3.7-rc3 und 3.7-rc4 after > > > inserting and removing an USB stick. This example is with a kernel > > > + f2fs patches v3, but I had this with 3.7-rc3 as well. > > > > Ok, so it's not a new thing introduced in 3.7-rc4 (which is good, as > > there wasn't any USB patches added between -rc3 and -rc4.) > > > > Does it also happen on -rc2? Anything older? Can you run 'git > > bisect' to try to track it down? > > It appears to be worse with 3.7-rc1. The machine basically locked up a > few moments after inserting the stick. > > First time I was on some tty and I saw lots of backtraces flowing by > the process of which the BTRFS on /, which resides on an unrelated > internal Intel SSD 320, was switched to read only. There have been > pauses between backtraces. Second I was in KDE session which basically > locked up soon as well. No mouse pointer movements where possible, no > switching to tty1. > > I only have the last part of the backtrace of the first occurence as > photo. > > Nothing was saved on SSD. > > I do not want to go an earlier 3.7 version than rc1 on this production > machine. I bisected this after having made a backup: martin@merkaba:~[…]/linux-2.6> git bisect log # bad: [ddffeb8c4d0331609ef2581d84de4d763607bd37] Linux 3.7-rc1 # good: [a0d271cbfed1dd50278c6b06bead3d00ba0a88f9] Linux 3.6 git bisect start 'v3.7-rc1' 'v3.6' # bad: [24d7b40a60cf19008334bcbcbd98da374d4d9c64] ARM: OMAP2+: PM: MPU DVFS: use generic CPU device for MPU-SS git bisect bad 24d7b40a60cf19008334bcbcbd98da374d4d9c64 # skip: [d9a807461fc8cc0d6ba589ea0730d139122af012] Merge tag 'usb-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb git bisect skip d9a807461fc8cc0d6ba589ea0730d139122af012 # good: [832defbb58061fedb7a5c43aab7d762afaac2cc9] staging: comedi: s626: remove boardinfo git bisect good 832defbb58061fedb7a5c43aab7d762afaac2cc9 # skip: [6d55d5968a8622f3ea20ec40737aea1cfba6438c] Merge branch 'next/soc' into HEAD git bisect skip 6d55d5968a8622f3ea20ec40737aea1cfba6438c # good: [b64365a52625e6ec5cf05dd984fba0fa69b24623] drivers/misc/ti-st: chip_disable on timeout git bisect good b64365a52625e6ec5cf05dd984fba0fa69b24623 # bad: [186f3812f5005d3d5435f69f672971afdae3e732] USB: serial: ssu100.c: remove debug module parameter git bisect bad 186f3812f5005d3d5435f69f672971afdae3e732 # bad: [7135f08e47de094f8748507806efa8d7ba27a964] Merge tag 'gadget-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next git bisect bad 7135f08e47de094f8748507806efa8d7ba27a964 # good: [3a22b872e923954853cabd5a18f41da1846bccdb] usb: Fail a get config when the port is powered off. git bisect good 3a22b872e923954853cabd5a18f41da1846bccdb # good: [c2ec75c25112c9e0d9053f55ba8cf0a358d4a354] usb: gadget: push all usb_composite_driver structs into __refdata git bisect good c2ec75c25112c9e0d9053f55ba8cf0a358d4a354 # good: [7d16e8d3eb704f5f6eb5a271d5758b495634e8e6] usb: gadget: push VID/PID/USB BCD module option into gadgets git bisect good 7d16e8d3eb704f5f6eb5a271d5758b495634e8e6 # good: [162ca3ca613e02e115ec9c5273f94bd22dad0af2] usb: gadget: at91_udc: move the dereference below the NULL test git bisect good 162ca3ca613e02e115ec9c5273f94bd22dad0af2 # good: [5c4d46eb89fe99011a02048533857345d9e8b506] usb: gadget serial: don't shift bcd version left by 16 git bisect good 5c4d46eb89fe99011a02048533857345d9e8b506 # good: [ca3c1539adfe9c1b86f16faf314b3bf54c3b5389] usb: add little-endian transform for DeviceRemovable of usb3.0 hub git bisect good ca3c1539adfe9c1b86f16faf314b3bf54c3b5389 # bad: [73d4066055e0e2830533041f4b91df8e6e5976ff] USB/host: Cleanup unneccessary irq disable code git bisect bad 73d4066055e0e2830533041f4b91df8e6e5976ff The first one I skipped was having these issues on boot already. The second one I skipped was just a few commits after the first one, I didn´t test the second skip. I removed USB mouse in order to avoid having any removable USB devices attached during testing. The first bad commit is: commit 73d4066055e0e2830533041f4b91df8e6e5976ff Author: Chuansheng Liu <chuansheng....@intel.com> Date: Tue Sep 11 16:00:30 2012 +0800 USB/host: Cleanup unneccessary irq disable code Because the IRQF_DISABLED as the flag is now a NOOP and has been deprecated and in hardirq context the interrupt is disabled. so in usb/host code: Removing the usage of flag IRQF_DISABLED; Removing the calling local_irq save/restore actions in irq handler usb_hcd_irq(); Signed-off-by: liu chuansheng <chuansheng....@intel.com> Acked-by: Alan Stern <st...@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> But: This ony happens with threadirqs option! When I remove threadirqs from kernel command line and reboot with this last bisect kernel USB sticks work. That may explain why nobody else has seen this. So I will try a 3.7-rc4 now, but without threadirqs enabled. Thanks, -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/